| Commit message (Collapse) | Author | Age | Files | Lines |
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so that we don't reset desc->pg_mirror_idx for read unnecessarily.
Remove WARN_ON_ONCE from __nfs_pageio_add_request to allow LD to
set pg_mirror_idx for read where pg_mirror_count is always 1.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <loghyr@primarydata.com>
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So that we can detect the case if some layout segments are still
pinned which is surely a bug that we need to fix.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
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This skips the WARN_ON_ONCE, but doesnt change behavior (the memcmp would
fail).
Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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The current mirroring code only notices short writes to the first
mirror. This patch keeps per-mirror byte counts and only considers
a byte to be written once all mirrors report so.
Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
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This patch adds mirrored write support to the pgio layer. The default
is to use one mirror, but pgio callers may define callbacks to change
this to any value up to the (arbitrarily selected) limit of 16.
The basic idea is to break out members of nfs_pageio_descriptor that cannot
be shared between mirrored DSes and put them in a new structure.
Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
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Pass ds_commit_idx through the nfs commit path. It's used to select
the commit bucket when using pnfs and is ignored when not using pnfs.
Several functions had to be changed: nfs_retry_commit,
nfs_mark_request_commit, pnfs_mark_request_commit and the pnfs layout
driver .mark_request_commit functions.
Signed-off-by: Tom Haynes <loghyr@primarydata.com>
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'ds_commit_idx' is a better name - it is used to select the right
commit bucket for pnfs.
Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
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This is needed for mirrored DS support, where multuple requests
cover the same range.
Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
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This is needed to support mirrored writes - the first write can't just
trash the lseg, we need to keep it around until all mirrors have
written.
Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
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Add a new operation to nfs_pageio_ops that is called on nfs_pageio_complete.
Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
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Instead of calling layoutreturn directly, call pnfs_error_mark_layout_for_return
to mark layouts for return and let generic code return layout when
layout segments are freed.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
Conflicts:
fs/nfs/filelayout/filelayout.c
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So that pnfs path is not disabled for ever.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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If current lseg is the last lseg marked with NFS_LSEG_LAYOUTRETURN,
send layoutreturn.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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And if we are to return the same type of layouts, don't bother
sending more layoutgets.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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It marks all matching layout segments as NFS_LSEG_LAYOUTRETURN,
which is an indicator for pnfs_put_lseg() to send layoutreturn,
and also prevents pnfs_update_layout() from using the returning
segments. Once it is set, it never gets cleared.
It also sets proper io failure bit so that pnfs path can be retried
after PNFS_LAYOUTGET_RETRY_TIMEOUT second.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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It allows to specify different iomode to return.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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So that it is possible to return a specific iomode layouts.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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Flexfiles layout would want to use them to report DS IO status.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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Per RFC 5661 Errata 3208:
| A client MAY always forget its layout state and associated
| layout stateid at any time (See also section 12.5.5.1).
| In such case, the client MUST use a non-layout stateid for the next
| LAYOUTGET operation. This will signal the server that the client has
| no more layouts on the file and its respective layout state can be
| released before issuing a new layout in response to LAYOUTGET.
In order to make such a signal unique to server, client needs to serialize
all layoutgets using non-layout stateid. We implement this by serializing
layoutgets when client has no layout segments at hand.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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flexfiles needs to start layoutcommit when necessary
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
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lockd assumes hostname exists otherwise kernel oops.
It can be reproduced by following steps:
1. mount flexfile MDS
2. write some files
3. mount DS via nfsv3
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: [<ffffffff8134f332>] strlen+0x2/0x20
PGD 0
Oops: 0000 [#1] SMP
Modules linked in: nfsd(F) nfs_layout_flexfiles(F) rpcsec_gss_krb5(F) auth_rpcgss(F) nfsv4(F) dns_resolver(F) nfsv3(F) nfs_acl(F) nfs(F) lockd(F) sunrpc(F) fscache(F) ebtable_nat(F) nf_conntrack_netbios_ns(F) nf_conntrack_broadcast(F) ipt_MASQUERADE(F) ip6table_nat(F) nf_nat_ipv6(F) ip6table_mangle(F) ip6t_REJECT(F) nf_conntrack_ipv6(F) nf_defrag_ipv6(F) iptable_nat(F) nf_nat_ipv4(F) nf_nat(F) iptable_mangle(F) nf_conntrack_ipv4(F) nf_defrag_ipv4(F) xt_conntrack(F) nf_conntrack(F) ebtable_filter(F) ebtables(F) ip6table_filter(F) ip6_tables(F) bnep(F) snd_ens1371(F) snd_rawmidi(F) snd_ac97_codec(F) btusb(F) ac97_bus(F) snd_seq(F) snd_seq_device(F) snd_pcm(F) ppdev(F) bluetooth(F) 6lowpan_iphc(F) rfkill(F) vmw_balloon(F) snd_timer(F) snd(F) soundcore(F) gameport(F) i2c_piix4(F) e1000(F) vmw_vmci(F) parport_pc(F) parport(F) shpchp(F) uinput(F) xfs(F) libcrc32c(F) vmwgfx(F) ttm(F) drm(F) mptspi(F) scsi_transport_spi(F) mptscsih(F) mptbase(F) i2c_core(F)
CPU: 0 PID: 10397 Comm: mount.nfs Tainted: GF 3.14.7-100.pd_client.001.fc16.x86_64 #1
Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/31/2013
task: ffff880008942600 ti: ffff880007990000 task.ti: ffff880007990000
RIP: 0010:[<ffffffff8134f332>] [<ffffffff8134f332>] strlen+0x2/0x20
RSP: 0018:ffff880007991aa0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff880038d39c20 RCX: 0000000000000004
RDX: 0000000000000006 RSI: 0000000000000010 RDI: 0000000000000000
RBP: ffff880007991b38 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000014600 R11: 0000000000000400 R12: ffffffff81cc8580
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000004
FS: 00007f90cd2ef880(0000) GS:ffff88003f600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000001710000 CR4: 00000000001407f0
Stack:
ffffffffa045f52c ffff880001782230 ffff880004141e28 0006880007991ac8
ffffffff816dc14b ffff880000000000 ffff880038d39c20 0000000000000010
0000000481cc0006 0000000000000000 ffffffffa0410be8 000000000000c014
Call Trace:
[<ffffffffa045f52c>] ? nlmclnt_lookup_host+0x4c/0x2c0 [lockd]
[<ffffffff816dc14b>] ? _raw_spin_unlock_bh+0x1b/0x20
[<ffffffffa0410be8>] ? svc_destroy+0xb8/0x140 [sunrpc]
[<ffffffffa045c323>] nlmclnt_init+0x53/0xc0 [lockd]
[<ffffffffa047d2dc>] ? nfs_get_client+0x1cc/0x340 [nfs]
[<ffffffffa047c2e7>] nfs_start_lockd+0xa7/0xd0 [nfs]
[<ffffffffa047df71>] nfs_create_server+0x181/0x5c0 [nfs]
[<ffffffffa04460f3>] nfs3_create_server+0x13/0x30 [nfsv3]
[<ffffffffa048a0bc>] nfs_try_mount+0x21c/0x300 [nfs]
[<ffffffff811ca32d>] ? __kmalloc_track_caller+0x1ad/0x240
[<ffffffffa048b677>] ? nfs_fs_mount+0xc37/0xd80 [nfs]
[<ffffffffa048ad05>] nfs_fs_mount+0x2c5/0xd80 [nfs]
[<ffffffffa048a830>] ? nfs_clone_super+0x140/0x140 [nfs]
[<ffffffffa048a240>] ? nfs_clone_sb_security+0x40/0x40 [nfs]
[<ffffffff811e7e43>] mount_fs+0x43/0x1b0
[<ffffffff81193100>] ? __alloc_percpu+0x10/0x20
[<ffffffff812026e6>] vfs_kern_mount+0x76/0x120
[<ffffffff81204917>] do_mount+0x237/0xa80
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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Add a call to tally stats for a task under a different statsidx than
what's contained in the task structure.
This is needed to properly account for pnfs reads/writes when the
DS nfs version != the MDS version.
Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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Enable pNFS callbacks to allow flex files to work correctly with a
NFSv3-enabled data server.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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so that flexfile layout client can pass in DS credential instead of
using user cred, which will be done in the next patch.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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flexclient needs this as there is no nfs_server to DS connection.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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pnfs flexfile layout client may want to use NFSv3 ops rather
than the default MDS v4 ops.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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Signed-off-by: Tom Haynes <loghyr@primarydata.com>
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Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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flexfile layout may need to set such when making DS connections.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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The flexfiles layout wants to create DS connection over NFSv3.
Add nfs3_set_ds_client to allow that to happen.
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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They can be reused by flexfile layout as well.
Also add a code such that if read fails on one DS and
there are other DSes available to use, don't resend
through MDS but through pNFS so that client can read
from other DSes.
Reviewed-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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flexfile layout may use different auth flavor as specified by MDS.
Reviewed-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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It can be reused by flexfiles layout client.
Reviewed-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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It can be reused by flexfile layout.
Reviewed-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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Also pull nfs4_pnfs_ds_addr and nfs4_pnfs_ds to generic pnfs.
They can all be reused by flexfile layout as well.
Reviewed-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
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Acked-by: Jeff Layton <jlayton@primarydata.com>
Signed-off-by: Tom Haynes <loghyr@primarydata.com>
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The flexfilelayout driver will share some common code
with the filelayout driver. This set of changes refactors
that common code out to avoid any module depenencies.
Signed-off-by: Tom Haynes <loghyr@primarydata.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"We've been sitting on our fixes branch for a while, so this batch is
unfortunately on the large side.
A lot of these are tweaks and fixes to device trees, fixing various
bugs around clocks, reg ranges, etc. There's also a few defconfig
updates (which are on the late side, no more of those).
All in all the diffstat is bigger than ideal at this time, but nothing
in here seems particularly risky"
* tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (31 commits)
reset: sunxi: fix spinlock initialization
ARM: dts: disable CCI on exynos5420 based arndale-octa
drivers: bus: check cci device tree node status
ARM: rockchip: disable jtag/sdmmc autoswitching on rk3288
ARM: nomadik: fix up leftover device tree pins
ARM: at91: board-dt-sama5: add phy_fixup to override NAND_Tree
ARM: at91/dt: sam9263: Add missing clocks to lcdc node
ARM: at91: sama5d3: dt: correct the sound route
ARM: at91/dt: sama5d4: fix the timer reg length
ARM: exynos_defconfig: Enable LM90 driver
ARM: exynos_defconfig: Enable options for display panel support
arm: dts: Use pmu_system_controller phandle for dp phy
ARM: shmobile: sh73a0 legacy: Set .control_parent for all irqpin instances
ARM: dts: berlin: correct BG2Q's SM GPIO location.
ARM: dts: berlin: add broken-cd and set bus width for eMMC in Marvell DMP DT
ARM: dts: berlin: fix io clk and add missing core clk for BG2Q sdhci2 host
ARM: dts: Revert disabling of smc91x for n900
ARM: dts: imx51-babbage: Fix ULPI PHY reset modelling
ARM: dts: dra7-evm: fix qspi device tree partition size
ARM: omap2plus_defconfig: use CONFIG_CPUFREQ_DT
...
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git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes
Merge "Samsung fixes for v3.19" from Kukjin Kim:
Samsung fixes for v3.19
- exynos_defconfig: enable LM90 driver and display panel support
- HWMON
- SENSORS_LM90
- Direct Rendering Manager (DRM)
- DRM bridge registration and lookup framework
- Parade ps8622/ps8625 eDP/LVDS bridge
- NXP ptn3460 eDP/LVDS bridge
- Exynos Fully Interactive Mobile Display controller (FIMD)
- Panel registration and lookup framework
- Simple panels
- Backlight & LCD device support
- use pmu_system_controller phandle for dp phy
: DP PHY requires pmu_system_controller to handle PMU reg. now
* tag 'samsung-fixes-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: exynos_defconfig: Enable LM90 driver
ARM: exynos_defconfig: Enable options for display panel support
arm: dts: Use pmu_system_controller phandle for dp phy
Signed-off-by: Olof Johansson <olof@lixom.net>
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multi_v7_defconfig has it as Y already, so build it in here, too, for
consistency, and therefore build in HWMON as well.
Signed-off-by: Andreas Faerber <afaerber@suse.de>
Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
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Many Exynos devices have a display panel. Most of them just have
a simple panel while others have more complex configurations that
requires an embedded DisplayPort (eDP) to LVDS bridges.
This patch enables the following features to be built in the kernel
image to support both setups:
- Direct Rendering Manager (DRM)
- DRM bridge registration and lookup framework
- Parade ps8622/ps8625 eDP/LVDS bridge
- NXP ptn3460 eDP/LVDS bridge
- Exynos Fully Interactive Mobile Display controller (FIMD)
- Panel registration and lookup framework
- Simple panels
- Backlight & LCD device support
Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
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DP PHY now require pmu-system-controller to handle PMU register
to control PHY's power isolation. Adding the same to dp-phy
node.
Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Signed-off-by: Kukjin Kim <kgene@kernel.org>
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Call spin_lock_init() before the spinlocks are used, both in early init
and probe functions preventing a lockdep splat.
I have been observing lockdep complaining [1] during boot on my a80 optimus [2]
when CONFIG_PROVE_LOCKING has been enabled. This patch resolves the splat,
and has been tested on a few other sunxi platforms without issue.
[1] http://storage.kernelci.org/next/next-20150107/arm-multi_v7_defconfig+CONFIG_PROVE_LOCKING=y/lab-tbaker/boot-sun9i-a80-optimus.html
[2] http://kernelci.org/boot/?a80-optimus
Signed-off-by: Tyler Baker <tyler.baker@linaro.org>
Cc: <stable@vger.kernel.org>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes
Merge "Renesas ARM Based SoC Fixes for v3.19" from Simon Horman:
Renesas ARM Based SoC Fixes for v3.19
This pull request is based on the last round of SoC updates for v3.19,
Fourth Round of Renesas ARM Based SoC Updates for v3.19, tagged as
renesas-soc3-for-v3.19, merged into your next/soc branch and included in
v3.19-rc1.
- ARM: shmobile: r8a7740: Instantiate GIC from C board code in legacy builds
Set .control_parent for all irqpin instances for sh73a0 SoC when booting
using legacy C.
- ARM: shmobile: r8a7740: Instantiate GIC from C board code in legacy builds
This fixes a long standing problem which has been present since
the sh73a0 SoC started using the INTC External IRQ pin driver.
The patch that introduced the problem is 341eb5465f67437a ("ARM:
shmobile: INTC External IRQ pin driver on sh73a0") which was included
in v3.10.
* tag 'renesas-soc-fixes-for-v3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: sh73a0 legacy: Set .control_parent for all irqpin instances
ARM: shmobile: r8a7740: Instantiate GIC from C board code in legacy builds
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The sh73a0 INTC can't mask interrupts properly most likely due to a
hardware bug. Set the .control_parent flag to delegate masking to the
parent interrupt controller, like was already done for irqpin1.
Without this, accessing the three-axis digital accelerometer ADXL345
on kzm9g through /dev/input/event1 causes an interrupt storm, which
requires a power-cycle to recover from.
This was inspired by a patch for arch/arm/boot/dts/sh73a0.dtsi from
Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Fixes: 341eb5465f67437a ("ARM: shmobile: INTC External IRQ pin driver on sh73a0")
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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As of commit 9a1091ef0017c40a ("irqchip: gic: Support hierarchy irq
domain."), armadillo-legacy hangs during boot with:
sh-tmu.0: ch0: used for clock events
sh-tmu.0: ch0: used for periodic clock events
sh-tmu.0: ch0: failed to request irq 230
sh-tmu.0: ch1: used as clock source
sh-cmt-48.1: ch0: failed to request irq 90
sh-cmt-48.1: ch0: registration failed
earlytimer: unable to probe sh-cmt-48 early.
Calibrating delay loop...
This happens because the IRQ numbers of the GIC are now virtual, and no
longer match the hardcoded hardware IRQ numbers in the platform board
code.
To fix this, instantiate the GIC from platform board code when compiling
a legacy kernel, like is done on sh73a0 for kzm9g-legacy.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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The arndale-octa board was giving "imprecise external aborts" during
boot-up with MCPM enabled. CCI enablement of the boot cluster was found
to be the cause of these aborts (possibly because the secure f/w was not
allowing it). Hence, disable CCI for the arndale-octa board.
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Tested-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Tested-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Tyler Baker <tyler.baker@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
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