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-rw-r--r--arch/alpha/Kconfig2
-rw-r--r--arch/alpha/include/asm/dma-mapping.h2
-rw-r--r--arch/alpha/include/asm/termios.h8
-rw-r--r--arch/alpha/include/uapi/asm/ioctls.h5
-rw-r--r--arch/alpha/include/uapi/asm/termbits.h17
-rw-r--r--arch/alpha/kernel/pci_iommu.c16
-rw-r--r--arch/alpha/kernel/setup.c1
-rw-r--r--arch/alpha/mm/numa.c6
8 files changed, 40 insertions, 17 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 5b4f88363453..5da6ff54b3e7 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -5,6 +5,7 @@ config ALPHA
select ARCH_MIGHT_HAVE_PC_PARPORT
select ARCH_MIGHT_HAVE_PC_SERIO
select ARCH_NO_PREEMPT
+ select ARCH_NO_SG_CHAIN
select ARCH_USE_CMPXCHG_LOCKREF
select HAVE_AOUT
select HAVE_IDE
@@ -202,7 +203,6 @@ config ALPHA_EIGER
config ALPHA_JENSEN
bool "Jensen"
depends on BROKEN
- select DMA_DIRECT_OPS
help
DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
of the first-generation Alpha systems. A number of these systems
diff --git a/arch/alpha/include/asm/dma-mapping.h b/arch/alpha/include/asm/dma-mapping.h
index 8beeafd4f68e..0ee6a5c99b16 100644
--- a/arch/alpha/include/asm/dma-mapping.h
+++ b/arch/alpha/include/asm/dma-mapping.h
@@ -7,7 +7,7 @@ extern const struct dma_map_ops alpha_pci_ops;
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
#ifdef CONFIG_ALPHA_JENSEN
- return &dma_direct_ops;
+ return NULL;
#else
return &alpha_pci_ops;
#endif
diff --git a/arch/alpha/include/asm/termios.h b/arch/alpha/include/asm/termios.h
index 6a8c53dec57e..b7c77bb1bfd2 100644
--- a/arch/alpha/include/asm/termios.h
+++ b/arch/alpha/include/asm/termios.h
@@ -73,9 +73,15 @@
})
#define user_termios_to_kernel_termios(k, u) \
- copy_from_user(k, u, sizeof(struct termios))
+ copy_from_user(k, u, sizeof(struct termios2))
#define kernel_termios_to_user_termios(u, k) \
+ copy_to_user(u, k, sizeof(struct termios2))
+
+#define user_termios_to_kernel_termios_1(k, u) \
+ copy_from_user(k, u, sizeof(struct termios))
+
+#define kernel_termios_to_user_termios_1(u, k) \
copy_to_user(u, k, sizeof(struct termios))
#endif /* _ALPHA_TERMIOS_H */
diff --git a/arch/alpha/include/uapi/asm/ioctls.h b/arch/alpha/include/uapi/asm/ioctls.h
index 1e9121c9b3c7..971311605288 100644
--- a/arch/alpha/include/uapi/asm/ioctls.h
+++ b/arch/alpha/include/uapi/asm/ioctls.h
@@ -32,6 +32,11 @@
#define TCXONC _IO('t', 30)
#define TCFLSH _IO('t', 31)
+#define TCGETS2 _IOR('T', 42, struct termios2)
+#define TCSETS2 _IOW('T', 43, struct termios2)
+#define TCSETSW2 _IOW('T', 44, struct termios2)
+#define TCSETSF2 _IOW('T', 45, struct termios2)
+
#define TIOCSWINSZ _IOW('t', 103, struct winsize)
#define TIOCGWINSZ _IOR('t', 104, struct winsize)
#define TIOCSTART _IO('t', 110) /* start output, like ^Q */
diff --git a/arch/alpha/include/uapi/asm/termbits.h b/arch/alpha/include/uapi/asm/termbits.h
index de6c8360fbe3..4575ba34a0ea 100644
--- a/arch/alpha/include/uapi/asm/termbits.h
+++ b/arch/alpha/include/uapi/asm/termbits.h
@@ -26,6 +26,19 @@ struct termios {
speed_t c_ospeed; /* output speed */
};
+/* Alpha has identical termios and termios2 */
+
+struct termios2 {
+ tcflag_t c_iflag; /* input mode flags */
+ tcflag_t c_oflag; /* output mode flags */
+ tcflag_t c_cflag; /* control mode flags */
+ tcflag_t c_lflag; /* local mode flags */
+ cc_t c_cc[NCCS]; /* control characters */
+ cc_t c_line; /* line discipline (== c_cc[19]) */
+ speed_t c_ispeed; /* input speed */
+ speed_t c_ospeed; /* output speed */
+};
+
/* Alpha has matching termios and ktermios */
struct ktermios {
@@ -152,6 +165,7 @@ struct ktermios {
#define B3000000 00034
#define B3500000 00035
#define B4000000 00036
+#define BOTHER 00037
#define CSIZE 00001400
#define CS5 00000000
@@ -169,6 +183,9 @@ struct ktermios {
#define CMSPAR 010000000000 /* mark or space (stick) parity */
#define CRTSCTS 020000000000 /* flow control */
+#define CIBAUD 07600000
+#define IBSHIFT 16
+
/* c_lflag bits */
#define ISIG 0x00000080
#define ICANON 0x00000100
diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c
index 46e08e0d9181..aa0f50d0f823 100644
--- a/arch/alpha/kernel/pci_iommu.c
+++ b/arch/alpha/kernel/pci_iommu.c
@@ -291,7 +291,7 @@ pci_map_single_1(struct pci_dev *pdev, void *cpu_addr, size_t size,
use direct_map above, it now must be considered an error. */
if (! alpha_mv.mv_pci_tbi) {
printk_once(KERN_WARNING "pci_map_single: no HW sg\n");
- return 0;
+ return DMA_MAPPING_ERROR;
}
arena = hose->sg_pci;
@@ -307,7 +307,7 @@ pci_map_single_1(struct pci_dev *pdev, void *cpu_addr, size_t size,
if (dma_ofs < 0) {
printk(KERN_WARNING "pci_map_single failed: "
"could not allocate dma page tables\n");
- return 0;
+ return DMA_MAPPING_ERROR;
}
paddr &= PAGE_MASK;
@@ -443,7 +443,7 @@ static void *alpha_pci_alloc_coherent(struct device *dev, size_t size,
gfp &= ~GFP_DMA;
try_again:
- cpu_addr = (void *)__get_free_pages(gfp, order);
+ cpu_addr = (void *)__get_free_pages(gfp | __GFP_ZERO, order);
if (! cpu_addr) {
printk(KERN_INFO "pci_alloc_consistent: "
"get_free_pages failed from %pf\n",
@@ -455,7 +455,7 @@ try_again:
memset(cpu_addr, 0, size);
*dma_addrp = pci_map_single_1(pdev, cpu_addr, size, 0);
- if (*dma_addrp == 0) {
+ if (*dma_addrp == DMA_MAPPING_ERROR) {
free_pages((unsigned long)cpu_addr, order);
if (alpha_mv.mv_pci_tbi || (gfp & GFP_DMA))
return NULL;
@@ -671,7 +671,7 @@ static int alpha_pci_map_sg(struct device *dev, struct scatterlist *sg,
sg->dma_address
= pci_map_single_1(pdev, SG_ENT_VIRT_ADDRESS(sg),
sg->length, dac_allowed);
- return sg->dma_address != 0;
+ return sg->dma_address != DMA_MAPPING_ERROR;
}
start = sg;
@@ -935,11 +935,6 @@ iommu_unbind(struct pci_iommu_arena *arena, long pg_start, long pg_count)
return 0;
}
-static int alpha_pci_mapping_error(struct device *dev, dma_addr_t dma_addr)
-{
- return dma_addr == 0;
-}
-
const struct dma_map_ops alpha_pci_ops = {
.alloc = alpha_pci_alloc_coherent,
.free = alpha_pci_free_coherent,
@@ -947,7 +942,6 @@ const struct dma_map_ops alpha_pci_ops = {
.unmap_page = alpha_pci_unmap_page,
.map_sg = alpha_pci_map_sg,
.unmap_sg = alpha_pci_unmap_sg,
- .mapping_error = alpha_pci_mapping_error,
.dma_supported = alpha_pci_supported,
};
EXPORT_SYMBOL(alpha_pci_ops);
diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c
index a37fd990bd55..4b5b1b244f86 100644
--- a/arch/alpha/kernel/setup.c
+++ b/arch/alpha/kernel/setup.c
@@ -634,6 +634,7 @@ setup_arch(char **cmdline_p)
/* Find our memory. */
setup_memory(kernel_end);
+ memblock_set_bottom_up(true);
/* First guess at cpu cache sizes. Do this before init_arch. */
determine_cpu_caches(cpu->type);
diff --git a/arch/alpha/mm/numa.c b/arch/alpha/mm/numa.c
index 74846553e3f1..d0b73371e985 100644
--- a/arch/alpha/mm/numa.c
+++ b/arch/alpha/mm/numa.c
@@ -144,14 +144,14 @@ setup_memory_node(int nid, void *kernel_end)
if (!nid && (node_max_pfn < end_kernel_pfn || node_min_pfn > start_kernel_pfn))
panic("kernel loaded out of ram");
+ memblock_add(PFN_PHYS(node_min_pfn),
+ (node_max_pfn - node_min_pfn) << PAGE_SHIFT);
+
/* Zone start phys-addr must be 2^(MAX_ORDER-1) aligned.
Note that we round this down, not up - node memory
has much larger alignment than 8Mb, so it's safe. */
node_min_pfn &= ~((1UL << (MAX_ORDER-1))-1);
- memblock_add(PFN_PHYS(node_min_pfn),
- (node_max_pfn - node_min_pfn) << PAGE_SHIFT);
-
NODE_DATA(nid)->node_start_pfn = node_min_pfn;
NODE_DATA(nid)->node_present_pages = node_max_pfn - node_min_pfn;
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2025-05-10 11:49:43 +0200