| Commit message (Collapse) | Author | Age | Files | Lines |
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A spin lock is taken here so we should use GFP_ATOMIC.
Fixes: 9774c6cca266 ("xen/pvcalls: implement accept command")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
"This fixes the following issues:
- racy use of ctx->rcvused in af_alg
- algif_aead crash in chacha20poly1305
- freeing bogus pointer in pcrypt
- build error on MIPS in mpi
- memory leak in inside-secure
- memory overwrite in inside-secure
- NULL pointer dereference in inside-secure
- state corruption in inside-secure
- build error without CRYPTO_GF128MUL in chelsio
- use after free in n2"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: inside-secure - do not use areq->result for partial results
crypto: inside-secure - fix request allocations in invalidation path
crypto: inside-secure - free requests even if their handling failed
crypto: inside-secure - per request invalidation
lib/mpi: Fix umul_ppmm() for MIPS64r6
crypto: pcrypt - fix freeing pcrypt instances
crypto: n2 - cure use after free
crypto: af_alg - Fix race around ctx->rcvused by making it atomic_t
crypto: chacha20poly1305 - validate the digest size
crypto: chelsio - select CRYPTO_GF128MUL
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This patches update the SafeXcel driver to stop using the crypto
ahash_request result field for partial results (i.e. on updates).
Instead the driver local safexcel_ahash_req state field is used, and
only on final operations the ahash_request result buffer is updated.
Fixes: 1b44c5a60c13 ("crypto: inside-secure - add SafeXcel EIP197 crypto engine driver")
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch makes use of the SKCIPHER_REQUEST_ON_STACK and
AHASH_REQUEST_ON_STACK helpers to allocate enough memory to contain both
the crypto request structures and their embedded context (__ctx).
Fixes: 1b44c5a60c13 ("crypto: inside-secure - add SafeXcel EIP197 crypto engine driver")
Suggested-by: Ofer Heifetz <oferh@marvell.com>
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This patch frees the request private data even if its handling failed,
as it would never be freed otherwise.
Fixes: 1b44c5a60c13 ("crypto: inside-secure - add SafeXcel EIP197 crypto engine driver")
Suggested-by: Ofer Heifetz <oferh@marvell.com>
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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When an invalidation request is needed we currently override the context
.send and .handle_result helpers. This is wrong as under high load other
requests can already be queued and overriding the context helpers will
make them execute the wrong .send and .handle_result functions.
This commit fixes this by adding a needs_inv flag in the request to
choose the action to perform when sending requests or handling their
results. This flag will be set when needed (i.e. when the context flag
will be set).
Fixes: 1b44c5a60c13 ("crypto: inside-secure - add SafeXcel EIP197 crypto engine driver")
Signed-off-by: Ofer Heifetz <oferh@marvell.com>
[Antoine: commit message, and removed non related changes from the
original commit]
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Current MIPS64r6 toolchains aren't able to generate efficient
DMULU/DMUHU based code for the C implementation of umul_ppmm(), which
performs an unsigned 64 x 64 bit multiply and returns the upper and
lower 64-bit halves of the 128-bit result. Instead it widens the 64-bit
inputs to 128-bits and emits a __multi3 intrinsic call to perform a 128
x 128 multiply. This is both inefficient, and it results in a link error
since we don't include __multi3 in MIPS linux.
For example commit 90a53e4432b1 ("cfg80211: implement regdb signature
checking") merged in v4.15-rc1 recently broke the 64r6_defconfig and
64r6el_defconfig builds by indirectly selecting MPILIB. The same build
errors can be reproduced on older kernels by enabling e.g. CRYPTO_RSA:
lib/mpi/generic_mpih-mul1.o: In function `mpihelp_mul_1':
lib/mpi/generic_mpih-mul1.c:50: undefined reference to `__multi3'
lib/mpi/generic_mpih-mul2.o: In function `mpihelp_addmul_1':
lib/mpi/generic_mpih-mul2.c:49: undefined reference to `__multi3'
lib/mpi/generic_mpih-mul3.o: In function `mpihelp_submul_1':
lib/mpi/generic_mpih-mul3.c:49: undefined reference to `__multi3'
lib/mpi/mpih-div.o In function `mpihelp_divrem':
lib/mpi/mpih-div.c:205: undefined reference to `__multi3'
lib/mpi/mpih-div.c:142: undefined reference to `__multi3'
Therefore add an efficient MIPS64r6 implementation of umul_ppmm() using
inline assembly and the DMULU/DMUHU instructions, to prevent __multi3
calls being emitted.
Fixes: 7fd08ca58ae6 ("MIPS: Add build support for the MIPS R6 ISA")
Signed-off-by: James Hogan <jhogan@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-mips@linux-mips.org
Cc: linux-crypto@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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pcrypt is using the old way of freeing instances, where the ->free()
method specified in the 'struct crypto_template' is passed a pointer to
the 'struct crypto_instance'. But the crypto_instance is being
kfree()'d directly, which is incorrect because the memory was actually
allocated as an aead_instance, which contains the crypto_instance at a
nonzero offset. Thus, the wrong pointer was being kfree()'d.
Fix it by switching to the new way to free aead_instance's where the
->free() method is specified in the aead_instance itself.
Reported-by: syzbot <syzkaller@googlegroups.com>
Fixes: 0496f56065e0 ("crypto: pcrypt - Add support for new AEAD interface")
Cc: <stable@vger.kernel.org> # v4.2+
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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queue_cache_init is first called for the Control Word Queue
(n2_crypto_probe). At that time, queue_cache[0] is NULL and a new
kmem_cache will be allocated. If the subsequent n2_register_algs call
fails, the kmem_cache will be released in queue_cache_destroy, but
queue_cache_init[0] is not set back to NULL.
So when the Module Arithmetic Unit gets probed next (n2_mau_probe),
queue_cache_init will not allocate a kmem_cache again, but leave it
as its bogus value, causing a BUG() to trigger when queue_cache[0] is
eventually passed to kmem_cache_zalloc:
n2_crypto: Found N2CP at /virtual-devices@100/n2cp@7
n2_crypto: Registered NCS HVAPI version 2.0
called queue_cache_init
n2_crypto: md5 alg registration failed
n2cp f028687c: /virtual-devices@100/n2cp@7: Unable to register algorithms.
called queue_cache_destroy
n2cp: probe of f028687c failed with error -22
n2_crypto: Found NCP at /virtual-devices@100/ncp@6
n2_crypto: Registered NCS HVAPI version 2.0
called queue_cache_init
kernel BUG at mm/slab.c:2993!
Call Trace:
[0000000000604488] kmem_cache_alloc+0x1a8/0x1e0
(inlined) kmem_cache_zalloc
(inlined) new_queue
(inlined) spu_queue_setup
(inlined) handle_exec_unit
[0000000010c61eb4] spu_mdesc_scan+0x1f4/0x460 [n2_crypto]
[0000000010c62b80] n2_mau_probe+0x100/0x220 [n2_crypto]
[000000000084b174] platform_drv_probe+0x34/0xc0
Cc: <stable@vger.kernel.org>
Signed-off-by: Jan Engelhardt <jengelh@inai.de>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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This variable was increased and decreased without any protection.
Result was an occasional misscount and negative wrap around resulting
in false resource allocation failures.
Fixes: 7d2c3f54e6f6 ("crypto: af_alg - remove locking in async callback")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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If the rfc7539 template was instantiated with a hash algorithm with
digest size larger than 16 bytes (POLY1305_DIGEST_SIZE), then the digest
overran the 'tag' buffer in 'struct chachapoly_req_ctx', corrupting the
subsequent memory, including 'cryptlen'. This caused a crash during
crypto_skcipher_decrypt().
Fix it by, when instantiating the template, requiring that the
underlying hash algorithm has the digest size expected for Poly1305.
Reproducer:
#include <linux/if_alg.h>
#include <sys/socket.h>
#include <unistd.h>
int main()
{
int algfd, reqfd;
struct sockaddr_alg addr = {
.salg_type = "aead",
.salg_name = "rfc7539(chacha20,sha256)",
};
unsigned char buf[32] = { 0 };
algfd = socket(AF_ALG, SOCK_SEQPACKET, 0);
bind(algfd, (void *)&addr, sizeof(addr));
setsockopt(algfd, SOL_ALG, ALG_SET_KEY, buf, sizeof(buf));
reqfd = accept(algfd, 0, 0);
write(reqfd, buf, 16);
read(reqfd, buf, 16);
}
Reported-by: syzbot <syzkaller@googlegroups.com>
Fixes: 71ebc4d1b27d ("crypto: chacha20poly1305 - Add a ChaCha20-Poly1305 AEAD construction, RFC7539")
Cc: <stable@vger.kernel.org> # v4.2+
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Without the gf128mul library support, we can run into a link
error:
drivers/crypto/chelsio/chcr_algo.o: In function `chcr_update_tweak':
chcr_algo.c:(.text+0x7e0): undefined reference to `gf128mul_x8_ble'
This adds a Kconfig select statement for it, next to the ones we
already have.
Cc: <stable@vger.kernel.org>
Fixes: b8fd1f4170e7 ("crypto: chcr - Add ctr mode and process large sg entries for cipher")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Merge misc fixes from Andrew Morton:
"9 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mailmap: update Mark Yao's email address
userfaultfd: clear the vma->vm_userfaultfd_ctx if UFFD_EVENT_FORK fails
mm/sparse.c: wrong allocation for mem_section
mm/zsmalloc.c: include fs.h
mm/debug.c: provide useful debugging information for VM_BUG
kernel/exit.c: export abort() to modules
mm/mprotect: add a cond_resched() inside change_pmd_range()
kernel/acct.c: fix the acct->needcheck check in check_free_space()
mm: check pfn_valid first in zero_resv_unavail
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Change the previous employers email addresses to the current email
address.
Link: http://lkml.kernel.org/r/20171229121726.31589-1-jeffy.chen@rock-chips.com
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Acked-by: Martin Kepplinger <martink@posteo.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The previous fix in commit 384632e67e08 ("userfaultfd: non-cooperative:
fix fork use after free") corrected the refcounting in case of
UFFD_EVENT_FORK failure for the fork userfault paths.
That still didn't clear the vma->vm_userfaultfd_ctx of the vmas that
were set to point to the aborted new uffd ctx earlier in
dup_userfaultfd.
Link: http://lkml.kernel.org/r/20171223002505.593-2-aarcange@redhat.com
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Reviewed-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Eric Biggers <ebiggers3@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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In commit 83e3c48729d9 ("mm/sparsemem: Allocate mem_section at runtime
for CONFIG_SPARSEMEM_EXTREME=y") mem_section is allocated at runtime to
save memory.
It allocates the first dimension of array with sizeof(struct mem_section).
It costs extra memory, should be sizeof(struct mem_section *).
Fix it.
Link: http://lkml.kernel.org/r/1513932498-20350-1-git-send-email-bhe@redhat.com
Fixes: 83e3c48729 ("mm/sparsemem: Allocate mem_section at runtime for CONFIG_SPARSEMEM_EXTREME=y")
Signed-off-by: Baoquan He <bhe@redhat.com>
Tested-by: Dave Young <dyoung@redhat.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Atsushi Kumagai <ats-kumagai@wm.jp.nec.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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`struct file_system_type' and alloc_anon_inode() function are defined in
fs.h, include it directly.
Link: http://lkml.kernel.org/r/20171219104219.3017-1-sergey.senozhatsky@gmail.com
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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With the recent addition of hashed kernel pointers, places which need to
produce useful debug output have to specify %px, not %p. This patch
fixes all the VM debug to use %px. This is appropriate because it's
debug output that the user should never be able to trigger, and kernel
developers need to see the actual pointers.
Link: http://lkml.kernel.org/r/20171219133236.GE13680@bombadil.infradead.org
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: "Tobin C. Harding" <me@tobin.cc>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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gcc -fisolate-erroneous-paths-dereference can generate calls to abort()
from modular code too.
[arnd@arndb.de: drop duplicate exports of abort()]
Link: http://lkml.kernel.org/r/20180102103311.706364-1-arnd@arndb.de
Reported-by: Vineet Gupta <Vineet.Gupta1@synopsys.com>
Cc: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Alexey Brodkin <Alexey.Brodkin@synopsys.com>
Cc: Russell King <rmk+kernel@armlinux.org.uk>
Cc: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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While testing on a large CPU system, detected the following RCU stall
many times over the span of the workload. This problem is solved by
adding a cond_resched() in the change_pmd_range() function.
INFO: rcu_sched detected stalls on CPUs/tasks:
154-....: (670 ticks this GP) idle=022/140000000000000/0 softirq=2825/2825 fqs=612
(detected by 955, t=6002 jiffies, g=4486, c=4485, q=90864)
Sending NMI from CPU 955 to CPUs 154:
NMI backtrace for cpu 154
CPU: 154 PID: 147071 Comm: workload Not tainted 4.15.0-rc3+ #3
NIP: c0000000000b3f64 LR: c0000000000b33d4 CTR: 000000000000aa18
REGS: 00000000a4b0fb44 TRAP: 0501 Not tainted (4.15.0-rc3+)
MSR: 8000000000009033 <SF,EE,ME,IR,DR,RI,LE> CR: 22422082 XER: 00000000
CFAR: 00000000006cf8f0 SOFTE: 1
GPR00: 0010000000000000 c00003ef9b1cb8c0 c0000000010cc600 0000000000000000
GPR04: 8e0000018c32b200 40017b3858fd6e00 8e0000018c32b208 40017b3858fd6e00
GPR08: 8e0000018c32b210 40017b3858fd6e00 8e0000018c32b218 40017b3858fd6e00
GPR12: ffffffffffffffff c00000000fb25100
NIP [c0000000000b3f64] plpar_hcall9+0x44/0x7c
LR [c0000000000b33d4] pSeries_lpar_flush_hash_range+0x384/0x420
Call Trace:
flush_hash_range+0x48/0x100
__flush_tlb_pending+0x44/0xd0
hpte_need_flush+0x408/0x470
change_protection_range+0xaac/0xf10
change_prot_numa+0x30/0xb0
task_numa_work+0x2d0/0x3e0
task_work_run+0x130/0x190
do_notify_resume+0x118/0x120
ret_from_except_lite+0x70/0x74
Instruction dump:
60000000 f8810028 7ca42b78 7cc53378 7ce63b78 7d074378 7d284b78 7d495378
e9410060 e9610068 e9810070 44000022 <7d806378> e9810028 f88c0000 f8ac0008
Link: http://lkml.kernel.org/r/20171214140551.5794-1-khandual@linux.vnet.ibm.com
Signed-off-by: Anshuman Khandual <khandual@linux.vnet.ibm.com>
Suggested-by: Nicholas Piggin <npiggin@gmail.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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As Tsukada explains, the time_is_before_jiffies(acct->needcheck) check
is very wrong, we need time_is_after_jiffies() to make sys_acct() work.
Ignoring the overflows, the code should "goto out" if needcheck >
jiffies, while currently it checks "needcheck < jiffies" and thus in the
likely case check_free_space() does nothing until jiffies overflow.
In particular this means that sys_acct() is simply broken, acct_on()
sets acct->needcheck = jiffies and expects that check_free_space()
should set acct->active = 1 after the free-space check, but this won't
happen if jiffies increments in between.
This was broken by commit 32dc73086015 ("get rid of timer in
kern/acct.c") in 2011, then another (correct) commit 795a2f22a8ea
("acct() should honour the limits from the very beginning") made the
problem more visible.
Link: http://lkml.kernel.org/r/20171213133940.GA6554@redhat.com
Fixes: 32dc73086015 ("get rid of timer in kern/acct.c")
Reported-by: TSUKADA Koutaro <tsukada@ascade.co.jp>
Suggested-by: TSUKADA Koutaro <tsukada@ascade.co.jp>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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With latest kernel I get below bug while testing kdump:
BUG: unable to handle kernel paging request at ffffea00034b1040
IP: zero_resv_unavail+0xbd/0x126
PGD 37b98067 P4D 37b98067 PUD 37b97067 PMD 0
Oops: 0002 [#1] SMP
Modules linked in:
CPU: 0 PID: 0 Comm: swapper Not tainted 4.15.0-rc1+ #316
Hardware name: LENOVO 20ARS1BJ02/20ARS1BJ02, BIOS GJET92WW (2.42 ) 03/03/2017
task: ffffffff81a0e4c0 task.stack: ffffffff81a00000
RIP: 0010:zero_resv_unavail+0xbd/0x126
RSP: 0000:ffffffff81a03d88 EFLAGS: 00010006
RAX: 0000000000000000 RBX: ffffea00034b1040 RCX: 0000000000000010
RDX: 0000000000000000 RSI: 0000000000000092 RDI: ffffea00034b1040
RBP: 00000000000d2c41 R08: 00000000000000c0 R09: 0000000000000a0d
R10: 0000000000000002 R11: 0000000000007f01 R12: ffffffff81a03d90
R13: ffffea0000000000 R14: 0000000000000063 R15: 0000000000000062
FS: 0000000000000000(0000) GS:ffffffff81c73000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffea00034b1040 CR3: 0000000037609000 CR4: 00000000000606b0
Call Trace:
? free_area_init_nodes+0x640/0x664
? zone_sizes_init+0x58/0x72
? setup_arch+0xb50/0xc6c
? start_kernel+0x64/0x43d
? secondary_startup_64+0xa5/0xb0
Code: c1 e8 0c 48 39 d8 76 27 48 89 de 48 c1 e3 06 48 c7 c7 7a 87 79 81 e8 b0 c0 3e ff 4c 01 eb b9 10 00 00 00 31 c0 48 89 df 49 ff c6 <f3> ab eb bc 6a 00 49 c7 c0 f0 93 d1 81 31 d2 83 ce ff 41 54 49
RIP: zero_resv_unavail+0xbd/0x126 RSP: ffffffff81a03d88
CR2: ffffea00034b1040
---[ end trace f5ba9e8f73c7ee26 ]---
This is introduced by commit a4a3ede2132a ("mm: zero reserved and
unavailable struct pages").
The reason is some efi reserved boot ranges is not reported in E820 ram.
In my case it is a bgrt buffer:
efi: mem00: [Boot Data |RUN| | | | | | | |WB|WT|WC|UC] range=[0x00000000d2c41000-0x00000000d2c85fff] (0MB)
Use "add_efi_memmap" can workaround the problem with another fix:
http://lkml.kernel.org/r/20171130052327.GA3500@dhcp-128-65.nay.redhat.com
In zero_resv_unavail it would be better to check pfn_valid first before
zero the page struct. This fixes the problem and potential other
similar problems. Also as Pavel Tatashin suggested checks pfn_valid at
the beginning of the section.
The range is backed by real memory. The memory range is efi "Boot
Service Data", that means after ExitBootServices() these ranges can be
used as system ram. But some of them need to be reserved, for example
the bgrt image address in an acpi table, if the image memory is freed
then kexec reboot will fail because kexec inherit same acpi table to
initialize the driver.
Link: http://lkml.kernel.org/r/20171201095048.GA3084@dhcp-128-65.nay.redhat.com
Fixes: a4a3ede2132a ("mm: zero reserved and unavailable struct pages")
Signed-off-by: Dave Young <dyoung@redhat.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Pavel Tatashin <pasha.tatashin@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"Just collecting some fixes to finish my hoildays :-).
A few fixes for i915 (one documentation build fix), one ttm fix, one
AMD display fix, one omapdrm fix, and a set of armada fixes from
Russell.
All seem pretty small, you can now return to your latest security news
site"
* tag 'drm-fixes-for-v4.15-rc7' of git://people.freedesktop.org/~airlied/linux:
drm/i915: Apply Display WA #1183 on skl, kbl, and cfl
drm/ttm: check the return value of kzalloc
drm/amd/display: call set csc_default if enable adjustment is false
docs: fix, intel_guc_loader.c has been moved to intel_guc_fw.c
omapdrm/dss/hdmi4_cec: fix interrupt handling
documentation/gpu/i915: fix docs build error after file rename
drm/i915: Put all non-blocking modesets onto an ordered wq
drm/i915: Disable DC states around GMBUS on GLK
drm/i915/psr: Fix register name mess up.
drm/armada: fix YUV planar format framebuffer offsets
drm/armada: improve efficiency of armada_drm_plane_calc_addrs()
drm/armada: fix UV swap code
drm/armada: fix SRAM powerdown
drm/armada: fix leak of crtc structure
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
drm/i915 fixes for v4.15-rc7
- couple of documentation build fixes
- serialize non-blocking modesets
- prevent DMC from messing up GMBUS transfers
- PSR regression fix
* tag 'drm-intel-fixes-2018-01-04' of git://anongit.freedesktop.org/drm/drm-intel:
drm/i915: Apply Display WA #1183 on skl, kbl, and cfl
docs: fix, intel_guc_loader.c has been moved to intel_guc_fw.c
documentation/gpu/i915: fix docs build error after file rename
drm/i915: Put all non-blocking modesets onto an ordered wq
drm/i915: Disable DC states around GMBUS on GLK
drm/i915/psr: Fix register name mess up.
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Display WA #1183 was recently added to workaround
"Failures when enabling DPLL0 with eDP link rate 2.16
or 4.32 GHz and CD clock frequency 308.57 or 617.14 MHz
(CDCLK_CTL CD Frequency Select 10b or 11b) used in this
enabling or in previous enabling."
This workaround was designed to minimize the impact only
to save the bad case with that link rates. But HW engineers
indicated that it should be safe to apply broadly, although
they were expecting the DPLL0 link rate to be unchanged on
runtime.
We need to cover 2 cases: when we are in fact enabling DPLL0
and when we are just changing the frequency with small
differences.
This is based on previous patch by Rodrigo Vivi with suggestions
from Ville Syrjälä.
Cc: Arthur J Runyan <arthur.j.runyan@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171204232210.4958-1-lucas.demarchi@intel.com
(cherry picked from commit 53421c2fe99ce16838639ad89d772d914a119a49)
[ Lucas: Backport to 4.15 adding back variable that has been removed on
commits not meant to be backported ]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180102201837.6812-1-lucas.demarchi@intel.com
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With commit d9e2e0143c the 'GuC-specific firmware loader' doc
section was removed from intel_guc_loader.c without a
replacement. So lets remove it from the Kernel-doc::
.. kernel-doc:: drivers/gpu/drm/i915/intel_guc_loader.c
:doc: GuC-specific firmware loader
With commit e8668bbcb0 intel_guc_loader.c was renamed to to
intel_guc_fw.c and to name just one, intel_guc_init_hw() was
renamed to intel_guc_fw_upload(). Since we get errors in the
Sphinx build like:
- Error: Cannot open file ./drivers/gpu/drm/i915/intel_guc_loader.c
Change the kernel-doc directive from intel_guc_loader.c to
intel_guc_fw.c
Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
[danvet: Rebase onto the partial fix 006c23327f8d
("documentation/gpu/i915: fix docs build error after file rename")]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1513078717-12373-1-git-send-email-markus.heiser@darmarit.de
(cherry picked from commit 0132a1a5d44d2cd32a249dbe999a88c2134a6bd1)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Fix documentation build errors after intel_guc_loader.c was
renamed to intel_guc_fw.c.
Error: Cannot open file ../drivers/gpu/drm/i915/intel_guc_loader.c
WARNING: kernel-doc '../scripts/kernel-doc -rst -enable-lineno -function GuC-specific firmware loader ../drivers/gpu/drm/i915/intel_guc_loader.c' failed with return code 1
Error: Cannot open file ../drivers/gpu/drm/i915/intel_guc_loader.c
Error: Cannot open file ../drivers/gpu/drm/i915/intel_guc_loader.c
WARNING: kernel-doc '../scripts/kernel-doc -rst -enable-lineno -internal ../drivers/gpu/drm/i915/intel_guc_loader.c' failed with return code 2
Fixes: e8668bbcb0f9 ("drm/i915/guc: Rename intel_guc_loader.c to intel_guc_fw.c")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1b214f53-47f5-bef3-f58e-8136de5678ed@infradead.org
(cherry picked from commit 006c23327f8de8575508c458131b304188d426f7)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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We have plenty of global registers and whatnot programmed without
any further locking by the modeset code. Currently non-bocking
modesets are allowed to execute in parallel which could corrupt
said registers.
To avoid the problem let's run all non-blocking modesets on an
ordered workqueue. We still put page flips etc. to system_unbound_wq
allowing page flips on one pipe to execute in parallel with page flips
or a modeset on a another pipe (assuming no known state is shared
between them, at which point they would have been added to the same
atomic commit and serialized that way).
Blocking modesets are already serialized with each other by
connection_mutex, and thus are safe. To serialize them with
non-blocking modesets we just flush the workqueue before executing
blocking modesets.
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Fixes: 94f050246b42 ("drm/i915: nonblocking commit")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171113133622.8593-1-ville.syrjala@linux.intel.com
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
(cherry picked from commit 757fffcfdffb6c0dd46c1b264091c36b4e5a86ae)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Prevent the DMC from destroying GMBUS transfers on GLK. GMBUS
lives in PG1 so DC off is all we need.
Cc: stable@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171208213739.16388-1-ville.syrjala@linux.intel.com
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
(cherry picked from commit 156961ae7bdf6feb72778e8da83d321b273343fd)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Commit 77affa31722b ("drm/i915/psr: Fix compiler warnings for
hsw_psr_disable()") swapped status and control registers while fixing
indentation. The _ctl at the end of the status register name must have to
led to this.
Fixes: 77affa31722b ("drm/i915/psr: Fix compiler warnings for hsw_psr_disable()")
References: https://www.mrc-cbu.cam.ac.uk/people/matt.davis/cmabridge/
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171220043520.2599-1-dhinakaran.pandiyan@intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
(cherry picked from commit 14c6547d6df641d3e41fa4f4164f6e267ebfab89)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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into drm-fixes
- backport of a DC change which fixes a greenish tint on some RV hw
- properly handle kzalloc fail in ttm
* 'drm-fixes-4.15' of git://people.freedesktop.org/~agd5f/linux:
drm/ttm: check the return value of kzalloc
drm/amd/display: call set csc_default if enable adjustment is false
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In the function ttm_page_alloc_init, kzalloc call is made for variable
_manager, we need to check its return value, it may return NULL.
Signed-off-by: Xiongwei Song <sxwjean@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Fixes a greenish tint on RV displays.
Signed-off-by: Yue Hin Lau <Yuehin.Lau@amd.com>
Reviewed-by: Eric Bernstein <Eric.Bernstein@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
[drake@endlessm.com: backport to 4.15]
Signed-off-by: Daniel Drake <drake@endlessm.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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git://git.armlinux.org.uk/~rmk/linux-arm into drm-fixes
Armada fixes.
* 'drm-armada-fixes-4.15' of git://git.armlinux.org.uk/~rmk/linux-arm:
drm/armada: fix YUV planar format framebuffer offsets
drm/armada: improve efficiency of armada_drm_plane_calc_addrs()
drm/armada: fix UV swap code
drm/armada: fix SRAM powerdown
drm/armada: fix leak of crtc structure
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We weren't correctly calculating the YUV planar offsets for subsampled
chroma planes correctly - fix up the coordinates for planes 1 and 2.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Lookup the drm_format_info structure once when computing all the
framebuffer plane addresses by using drm_format_info(), rather than
repetitive lookups via drm_format_plane_cpp().
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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The UV swap code was not always programming things correctly when
the source origin box has been offset. Fix this.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Avoid powering down the overlay SRAM banks when disabling the primary
plane, thereby masking any overlay video. This feature is supposed to
allow us to cut the bandwidth required while displaying full-frame
overlay video.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Fix the leak of the CRTC structure in the failure paths of
armada_drm_crtc_create().
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux into drm-fixes
omapdrm fixes for 4.15
* Fix OMAP4 HDMI CEC interrupt handling and a possible buffer overflow
* tag 'omapdrm-4.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
omapdrm/dss/hdmi4_cec: fix interrupt handling
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The omap4 CEC hardware cannot tell a Nack from a Low Drive from an
Arbitration Lost error, so just report a Nack, which is almost
certainly the reason for the error anyway.
This also simplifies the implementation. The only three interrupts
that need to be enabled are:
Transmit Buffer Full/Empty Change event: triggered when the
transmit finished successfully and cleared the buffer.
Receiver FIFO Not Empty event: triggered when a message was received.
Frame Retransmit Count Exceeded event: triggered when a transmit
failed repeatedly, usually due to the message being Nacked. Other
reasons are possible (Low Drive, Arbitration Lost) but there is no
way to know. If this happens the TX buffer needs to be cleared
manually.
While testing various error conditions I noticed that the hardware
can receive messages up to 18 bytes in total, which exceeds the legal
maximum of 16. This could cause a buffer overflow, so we check for
this and constrain the size to 16 bytes.
The old incorrect interrupt handler could cause the CEC framework to
enter into a bad state because it mis-detected the "Start Bit Irregularity
event" as an ARB_LOST transmit error when it actually is a receive error
which should be ignored.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reported-by: Henrik Austad <haustad@cisco.com>
Tested-by: Henrik Austad <haustad@cisco.com>
Tested-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"Fixes this time include mostly device tree changes, as usual, the
notable ones include:
- A number of patches to fix most of the remaining DTC warnings that
got introduced when DTC started warning about some obvious
mistakes. We still have some remaining warnings that probably may
have to wait until 4.16 to get fixed while we try to figure out
what the correct contents should be.
- On Allwinner A64, Ethernet PHYs need a fix after a mistake in
coordination between patches merged through multiple branches.
- Various fixes for PMICs on allwinner based boards
- Two fixes for ethernet link detection on some Renesas machines
- Two stability fixes for rockchip based boards
Aside from device-tree, two other areas got fixes for older problems:
- For TI Davinci DM365, a couple of fixes were needed to repair the
MMC DMA engine support, apparently this has been broken for a
while.
- One important fix for all Allwinner chips with the PMIC driver as a
loadable module"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (23 commits)
arm64: dts: uniphier: fix gpio-ranges property of PXs3 SoC
arm64: dts: renesas: ulcb: Remove renesas, no-ether-link property
arm64: dts: renesas: salvator-x: Remove renesas, no-ether-link property
ARM: dts: tango4: remove bogus interrupt-controller property
ARM: dts: ls1021a: fix incorrect clock references
ARM: dts: aspeed-g4: Correct VUART IRQ number
ARM: dts: exynos: Enable Mixer node for Exynos5800 Peach Pi machine
ARM: dts: sun8i: a711: Reinstate the PMIC compatible
ARM: davinci: fix mmc entries in dm365's dma_slave_map
ARM: dts: da850-lego-ev3: Fix battery voltage gpio
ARM: davinci: Add dma_mask to dm365's eDMA device
ARM: davinci: Use platform_device_register_full() to create pdev for dm365's eDMA
arm64: dts: rockchip: limit rk3328-rock64 gmac speed to 100MBit for now
arm64: dts: rockchip: remove vdd_log from rk3399-puma
arm64: dts: orange-pi-zero-plus2: fix sdcard detect
arm64: allwinner: a64-sopine: Fix to use dcdc1 regulator instead of vcc3v3
ARM: dts: sunxi: Convert to CCU index macros for HDMI controller
sunxi-rsb: Include OF based modalias in device uevent
ARM: dts: at91: disable the nxp,se97b SMBUS timeout on the TSE-850
arm64: dts: rockchip: fix trailing 0 in rk3328 tsadc interrupts
...
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This is probably a copy-paste mistake. The gpio-ranges of PXs3 is
different from that of LD20.
Fixes: 277b51e7050f ("arm64: dts: uniphier: add GPIO controller nodes")
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into fixes
Pull "Allwinner fixes for 4.15" from Chen-Yu Tsai:
First, one fix that adds proper regulator references for the EMAC
external PHYs on A64 boards. The EMAC bindings were developed for 4.13,
but reverted at the last minute. They were finalized and brought back
for 4.15. However in the time between, regulator support for the A64
boards was merged. When EMAC device tree changes were reintroduced,
this was not taken into account.
Second, a patch that adds OF based modalias uevent for RSB slave devices.
This has been missing since the introduction of RSB, and recently with
PMIC regulator support introduced for the A64, has been seen affecting
distributions, which have the all-important PMIC mfd drivers built as
modules, which then don't get loaded.
Other minor cleanups include final conversion of raw indices to CCU
binding macros for sun[4567]i HDMI, cleanup of dummy regulators on the
A64 SOPINE, a SD card detection polarity fix for the Orange Pi Zero
Plus2, and adding a missing compatible for the PMIC on the TBS A711
tablet.
* tag 'sunxi-fixes-for-4.15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
ARM: dts: sun8i: a711: Reinstate the PMIC compatible
arm64: dts: orange-pi-zero-plus2: fix sdcard detect
arm64: allwinner: a64-sopine: Fix to use dcdc1 regulator instead of vcc3v3
ARM: dts: sunxi: Convert to CCU index macros for HDMI controller
sunxi-rsb: Include OF based modalias in device uevent
arm64: allwinner: a64: add Ethernet PHY regulator for several boards
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When we added the regulator support in commit 90c5d7cdae64 ("ARM: dts:
sun8i: a711: Add regulator support"), we also dropped the PMIC's
compatible. Since it's not in the PMIC DTSI, unlike most other PMIC
DTSI, it obviously wasn't probing anymore.
Re-add it so that everything works again.
Fixes: 90c5d7cdae64 ("ARM: dts: sun8i: a711: Add regulator support")
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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The sdcard detect pin on orange-pi-zero-plus2 is pulled up.
Fix cd-gpio description to enable sdcard detect.
Signed-off-by: Sergey Matyukevich <geomatsi@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Since current tree support AXP803 regulators,
replace fixed regulator vcc3v3 with AXP803 dcdc1 regulator where ever
it need to replace.
Tested mmc0 on sopine baseboard.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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When the HDMI controller device node was added, the needed PLL clock
macros were not exported. A separate patch addresses that, but it is
merged through a different tree.
Now that both patches are in mainline proper, we can convert the raw
numbers to proper macros.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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Include the OF-based modalias in the uevent sent when registering devices
on the sunxi RSB bus, so that user space has a chance to autoload the
kernel module for the device.
Fixes a regression caused by commit 3f241bfa60bd ("arm64: allwinner: a64:
pine64: Use dcdc1 regulator for mmc0"). When the axp20x-rsb module for
the AXP803 PMIC is built as a module, it is not loaded and the system
ends up with an disfunctional MMC controller.
Fixes: d787dcdb9c8f ("bus: sunxi-rsb: Add driver for Allwinner Reduced Serial Bus")
Cc: stable <stable@vger.kernel.org> # 4.4.x 7a3b7cd332db of: device: Export of_device_{get_modalias, uvent_modalias} to modules
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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On several A64 boards the Ethernet PHY is powered by the DC1SW regulator
on the AXP803 PMIC.
Add phy-handle property to these boards' emac node.
Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Acked-by: Corentin LABBE <clabbe.montjoie@gmail.com>
Tested-by: Corentin LABBE <clabbe.montjoie@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
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