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-rw-r--r--arch/sh/mm/Kconfig87
-rw-r--r--arch/sh/mm/Makefile5
-rw-r--r--arch/sh/mm/fault.c45
-rw-r--r--arch/sh/mm/init.c107
-rw-r--r--arch/sh/mm/numa.c92
-rw-r--r--arch/sh/mm/pg-dma.c95
6 files changed, 248 insertions, 183 deletions
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index 253346d7b31..28d79a474cd 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -1,5 +1,3 @@
-menu "Processor selection"
-
#
# Processor families
#
@@ -38,27 +36,31 @@ config CPU_SUBTYPE_ST40
config CPU_SHX2
bool
+config CPU_SHX3
+ bool
+
+choice
+ prompt "Processor sub-type selection"
+
#
# Processor subtypes
#
-comment "SH-2 Processor Support"
-
-config CPU_SUBTYPE_SH7604
- bool "Support SH7604 processor"
- select CPU_SH2
+# SH-2 Processor Support
config CPU_SUBTYPE_SH7619
bool "Support SH7619 processor"
select CPU_SH2
+ select CPU_HAS_IPR_IRQ
-comment "SH-2A Processor Support"
+# SH-2A Processor Support
config CPU_SUBTYPE_SH7206
bool "Support SH7206 processor"
select CPU_SH2A
+ select CPU_HAS_IPR_IRQ
-comment "SH-3 Processor Support"
+# SH-3 Processor Support
config CPU_SUBTYPE_SH7300
bool "Support SH7300 processor"
@@ -113,7 +115,7 @@ config CPU_SUBTYPE_SH7712
help
Select SH7712 if you have a SH3-DSP SH7712 CPU.
-comment "SH-4 Processor Support"
+# SH-4 Processor Support
config CPU_SUBTYPE_SH7750
bool "Support SH7750 processor"
@@ -125,7 +127,7 @@ config CPU_SUBTYPE_SH7750
config CPU_SUBTYPE_SH7091
bool "Support SH7091 processor"
select CPU_SH4
- select CPU_SUBTYPE_SH7750
+ select CPU_HAS_IPR_IRQ
help
Select SH7091 if you have an SH-4 based Sega device (such as
the Dreamcast, Naomi, and Naomi 2).
@@ -133,13 +135,11 @@ config CPU_SUBTYPE_SH7091
config CPU_SUBTYPE_SH7750R
bool "Support SH7750R processor"
select CPU_SH4
- select CPU_SUBTYPE_SH7750
select CPU_HAS_IPR_IRQ
config CPU_SUBTYPE_SH7750S
bool "Support SH7750S processor"
select CPU_SH4
- select CPU_SUBTYPE_SH7750
select CPU_HAS_IPR_IRQ
config CPU_SUBTYPE_SH7751
@@ -153,7 +153,6 @@ config CPU_SUBTYPE_SH7751
config CPU_SUBTYPE_SH7751R
bool "Support SH7751R processor"
select CPU_SH4
- select CPU_SUBTYPE_SH7751
select CPU_HAS_IPR_IRQ
config CPU_SUBTYPE_SH7760
@@ -166,7 +165,7 @@ config CPU_SUBTYPE_SH4_202
bool "Support SH4-202 processor"
select CPU_SH4
-comment "ST40 Processor Support"
+# ST40 Processor Support
config CPU_SUBTYPE_ST40STB1
bool "Support ST40STB1/ST40RA processors"
@@ -181,7 +180,7 @@ config CPU_SUBTYPE_ST40GX1
help
Select ST40GX1 if you have a ST40GX1 CPU.
-comment "SH-4A Processor Support"
+# SH-4A Processor Support
config CPU_SUBTYPE_SH7770
bool "Support SH7770 processor"
@@ -198,7 +197,13 @@ config CPU_SUBTYPE_SH7785
select CPU_SHX2
select CPU_HAS_INTC2_IRQ
-comment "SH4AL-DSP Processor Support"
+config CPU_SUBTYPE_SHX3
+ bool "Support SH-X3 processor"
+ select CPU_SH4A
+ select CPU_SHX3
+ select CPU_HAS_INTC2_IRQ
+
+# SH4AL-DSP Processor Support
config CPU_SUBTYPE_SH73180
bool "Support SH73180 processor"
@@ -213,8 +218,10 @@ config CPU_SUBTYPE_SH7722
select CPU_SH4AL_DSP
select CPU_SHX2
select CPU_HAS_IPR_IRQ
+ select ARCH_SPARSEMEM_ENABLE
+ select SYS_SUPPORTS_NUMA
-endmenu
+endchoice
menu "Memory management options"
@@ -266,7 +273,7 @@ config MEMORY_SIZE
config 32BIT
bool "Support 32-bit physical addressing through PMB"
- depends on CPU_SH4A && MMU && (!X2TLB || BROKEN)
+ depends on MMU && (CPU_SUBTYPE_SH7780 || CPU_SUBTYPE_SH7785)
default y
help
If you say Y here, physical addressing will be extended to
@@ -295,6 +302,17 @@ config VSYSCALL
For systems with an MMU that can afford to give up a page,
(the default value) say Y.
+config NUMA
+ bool "Non Uniform Memory Access (NUMA) Support"
+ depends on MMU && SYS_SUPPORTS_NUMA && EXPERIMENTAL
+ default n
+ help
+ Some SH systems have many various memories scattered around
+ the address space, each with varying latencies. This enables
+ support for these blocks by binding them to nodes and allowing
+ memory policies to be used for prioritizing and controlling
+ allocation behaviour.
+
config NODES_SHIFT
int
default "1"
@@ -302,14 +320,34 @@ config NODES_SHIFT
config ARCH_FLATMEM_ENABLE
def_bool y
+ depends on !NUMA
+
+config ARCH_SPARSEMEM_ENABLE
+ def_bool y
+ select SPARSEMEM_STATIC
+
+config ARCH_SPARSEMEM_DEFAULT
+ def_bool y
config MAX_ACTIVE_REGIONS
int
+ default "2" if (CPU_SUBTYPE_SH7722 && SPARSEMEM)
default "1"
config ARCH_POPULATES_NODE_MAP
def_bool y
+config ARCH_SELECT_MEMORY_MODEL
+ def_bool y
+
+config ARCH_ENABLE_MEMORY_HOTPLUG
+ def_bool y
+ depends on SPARSEMEM
+
+config ARCH_MEMORY_PROBE
+ def_bool y
+ depends on MEMORY_HOTPLUG
+
choice
prompt "Kernel page size"
default PAGE_SIZE_4KB
@@ -394,15 +432,4 @@ config SH_WRITETHROUGH
If unsure, say N.
-config SH_OCRAM
- bool "Operand Cache RAM (OCRAM) support"
- help
- Selecting this option will automatically tear down the number of
- sets in the dcache by half, which in turn exposes a memory range.
-
- The addresses for the OC RAM base will vary according to the
- processor version. Consult vendor documentation for specifics.
-
- If unsure, say N.
-
endmenu
diff --git a/arch/sh/mm/Makefile b/arch/sh/mm/Makefile
index 3ffd7f68c0a..d677d7f3afc 100644
--- a/arch/sh/mm/Makefile
+++ b/arch/sh/mm/Makefile
@@ -8,9 +8,6 @@ obj-$(CONFIG_CPU_SH2) += cache-sh2.o
obj-$(CONFIG_CPU_SH3) += cache-sh3.o
obj-$(CONFIG_CPU_SH4) += cache-sh4.o
-obj-$(CONFIG_DMA_PAGE_OPS) += pg-dma.o
-obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
-
mmu-y := fault-nommu.o tlb-nommu.o pg-nommu.o
mmu-$(CONFIG_MMU) := fault.o clear_page.o copy_page.o tlb-flush.o \
ioremap.o
@@ -27,5 +24,7 @@ obj-$(CONFIG_CPU_SH4) += tlb-sh4.o pg-sh4.o
obj-$(CONFIG_SH7705_CACHE_32KB) += pg-sh7705.o
endif
+obj-$(CONFIG_HUGETLB_PAGE) += hugetlbpage.o
obj-$(CONFIG_SH7705_CACHE_32KB) += cache-sh7705.o
obj-$(CONFIG_32BIT) += pmb.o
+obj-$(CONFIG_NUMA) += numa.o
diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c
index c878faa4ae4..0b3eaf6fbb2 100644
--- a/arch/sh/mm/fault.c
+++ b/arch/sh/mm/fault.c
@@ -32,7 +32,6 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
struct task_struct *tsk;
struct mm_struct *mm;
struct vm_area_struct * vma;
- unsigned long page;
int si_code;
siginfo_t info;
@@ -170,24 +169,38 @@ no_context:
* terminate things with extreme prejudice.
*
*/
- if (address < PAGE_SIZE)
- printk(KERN_ALERT "Unable to handle kernel NULL pointer dereference");
- else
- printk(KERN_ALERT "Unable to handle kernel paging request");
- printk(" at virtual address %08lx\n", address);
- printk(KERN_ALERT "pc = %08lx\n", regs->pc);
- page = (unsigned long)get_TTB();
- if (page) {
- page = ((unsigned long *) page)[address >> PGDIR_SHIFT];
- printk(KERN_ALERT "*pde = %08lx\n", page);
- if (page & _PAGE_PRESENT) {
- page &= PAGE_MASK;
- address &= 0x003ff000;
- page = ((unsigned long *) __va(page))[address >> PAGE_SHIFT];
- printk(KERN_ALERT "*pte = %08lx\n", page);
+
+ bust_spinlocks(1);
+
+ if (oops_may_print()) {
+ __typeof__(pte_val(__pte(0))) page;
+
+ if (address < PAGE_SIZE)
+ printk(KERN_ALERT "Unable to handle kernel NULL "
+ "pointer dereference");
+ else
+ printk(KERN_ALERT "Unable to handle kernel paging "
+ "request");
+ printk(" at virtual address %08lx\n", address);
+ printk(KERN_ALERT "pc = %08lx\n", regs->pc);
+ page = (unsigned long)get_TTB();
+ if (page) {
+ page = ((__typeof__(page) *) __va(page))[address >>
+ PGDIR_SHIFT];
+ printk(KERN_ALERT "*pde = %08lx\n", page);
+ if (page & _PAGE_PRESENT) {
+ page &= PAGE_MASK;
+ address &= 0x003ff000;
+ page = ((__typeof__(page) *)
+ __va(page))[address >>
+ PAGE_SHIFT];
+ printk(KERN_ALERT "*pte = %08lx\n", page);
+ }
}
}
+
die("Oops", regs, writeaccess);
+ bust_spinlocks(0);
do_exit(SIGKILL);
/*
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index e0e644ff320..82b68c789a5 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -18,6 +18,7 @@
#include <asm/mmu_context.h>
#include <asm/tlb.h>
#include <asm/cacheflush.h>
+#include <asm/sections.h>
#include <asm/cache.h>
DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
@@ -36,14 +37,11 @@ void show_mem(void)
show_free_areas();
for_each_online_pgdat(pgdat) {
- struct page *page, *end;
- unsigned long flags;
+ unsigned long flags, i;
pgdat_resize_lock(pgdat, &flags);
- page = pgdat->node_mem_map;
- end = page + pgdat->node_spanned_pages;
-
- do {
+ for (i = 0; i < pgdat->node_spanned_pages; i++) {
+ struct page *page = pgdat_page_nr(pgdat, i);
total++;
if (PageReserved(page))
reserved++;
@@ -55,9 +53,7 @@ void show_mem(void)
free++;
else
shared += page_count(page) - 1;
- page++;
- } while (page < end);
-
+ }
pgdat_resize_unlock(pgdat, &flags);
}
@@ -137,16 +133,12 @@ void __set_fixmap(enum fixed_addresses idx, unsigned long phys, pgprot_t prot)
}
#endif /* CONFIG_MMU */
-/* References to section boundaries */
-
-extern char _text, _etext, _edata, __bss_start, _end;
-extern char __init_begin, __init_end;
-
/*
* paging_init() sets up the page tables
*/
void __init paging_init(void)
{
+ unsigned long max_zone_pfns[MAX_NR_ZONES];
int nid;
/* We don't need to map the kernel through the TLB, as
@@ -158,43 +150,39 @@ void __init paging_init(void)
* check for a null value. */
set_TTB(swapper_pg_dir);
+ memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
+
for_each_online_node(nid) {
pg_data_t *pgdat = NODE_DATA(nid);
- unsigned long max_zone_pfns[MAX_NR_ZONES];
unsigned long low, start_pfn;
- memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
-
start_pfn = pgdat->bdata->node_boot_start >> PAGE_SHIFT;
low = pgdat->bdata->node_low_pfn;
- max_zone_pfns[ZONE_NORMAL] = low;
- add_active_range(nid, start_pfn, low);
+ if (max_zone_pfns[ZONE_NORMAL] < low)
+ max_zone_pfns[ZONE_NORMAL] = low;
printk("Node %u: start_pfn = 0x%lx, low = 0x%lx\n",
nid, start_pfn, low);
-
- free_area_init_nodes(max_zone_pfns);
-
- printk("Node %u: mem_map starts at %p\n",
- pgdat->node_id, pgdat->node_mem_map);
}
+
+ free_area_init_nodes(max_zone_pfns);
}
static struct kcore_list kcore_mem, kcore_vmalloc;
void __init mem_init(void)
{
- int codesize, reservedpages, datasize, initsize;
+ int codesize, datasize, initsize;
int nid;
- reservedpages = 0;
+ num_physpages = 0;
+ high_memory = NULL;
for_each_online_node(nid) {
pg_data_t *pgdat = NODE_DATA(nid);
unsigned long node_pages = 0;
void *node_high_memory;
- int i;
num_physpages += pgdat->node_present_pages;
@@ -203,13 +191,9 @@ void __init mem_init(void)
totalram_pages += node_pages;
- for (i = 0; i < node_pages; i++)
- if (PageReserved(pgdat->node_mem_map + i))
- reservedpages++;
-
- node_high_memory = (void *)((pgdat->node_start_pfn +
- pgdat->node_spanned_pages) <<
- PAGE_SHIFT);
+ node_high_memory = (void *)__va((pgdat->node_start_pfn +
+ pgdat->node_spanned_pages) <<
+ PAGE_SHIFT);
if (node_high_memory > high_memory)
high_memory = node_high_memory;
}
@@ -239,11 +223,10 @@ void __init mem_init(void)
VMALLOC_END - VMALLOC_START);
printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, "
- "%dk reserved, %dk data, %dk init)\n",
+ "%dk data, %dk init)\n",
(unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
- totalram_pages << (PAGE_SHIFT-10),
+ num_physpages << (PAGE_SHIFT-10),
codesize >> 10,
- reservedpages << (PAGE_SHIFT-10),
datasize >> 10,
initsize >> 10);
@@ -264,7 +247,9 @@ void free_initmem(void)
free_page(addr);
totalram_pages++;
}
- printk ("Freeing unused kernel memory: %dk freed\n", (&__init_end - &__init_begin) >> 10);
+ printk("Freeing unused kernel memory: %ldk freed\n",
+ ((unsigned long)&__init_end -
+ (unsigned long)&__init_begin) >> 10);
}
#ifdef CONFIG_BLK_DEV_INITRD
@@ -277,6 +262,50 @@ void free_initrd_mem(unsigned long start, unsigned long end)
free_page(p);
totalram_pages++;
}
- printk ("Freeing initrd memory: %ldk freed\n", (end - start) >> 10);
+ printk("Freeing initrd memory: %ldk freed\n", (end - start) >> 10);
+}
+#endif
+
+#ifdef CONFIG_MEMORY_HOTPLUG
+void online_page(struct page *page)
+{
+ ClearPageReserved(page);
+ init_page_count(page);
+ __free_page(page);
+ totalram_pages++;
+ num_physpages++;
}
+
+int arch_add_memory(int nid, u64 start, u64 size)
+{
+ pg_data_t *pgdat;
+ unsigned long start_pfn = start >> PAGE_SHIFT;
+ unsigned long nr_pages = size >> PAGE_SHIFT;
+ int ret;
+
+ pgdat = NODE_DATA(nid);
+
+ /* We only have ZONE_NORMAL, so this is easy.. */
+ ret = __add_pages(pgdat->node_zones + ZONE_NORMAL, start_pfn, nr_pages);
+ if (unlikely(ret))
+ printk("%s: Failed, __add_pages() == %d\n", __FUNCTION__, ret);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(arch_add_memory);
+
+int remove_memory(u64 start, u64 size)
+{
+ return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(remove_memory);
+
+#ifdef CONFIG_NUMA
+int memory_add_physaddr_to_nid(u64 addr)
+{
+ /* Node 0 for now.. */
+ return 0;
+}
+EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
+#endif
#endif
diff --git a/arch/sh/mm/numa.c b/arch/sh/mm/numa.c
new file mode 100644
index 00000000000..8aff065dd30
--- /dev/null
+++ b/arch/sh/mm/numa.c
@@ -0,0 +1,92 @@
+/*
+ * arch/sh/mm/numa.c - Multiple node support for SH machines
+ *
+ * Copyright (C) 2007 Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/module.h>
+#include <linux/bootmem.h>
+#include <linux/mm.h>
+#include <linux/numa.h>
+#include <linux/pfn.h>
+#include <asm/sections.h>
+
+static bootmem_data_t plat_node_bdata[MAX_NUMNODES];
+struct pglist_data *node_data[MAX_NUMNODES] __read_mostly;
+EXPORT_SYMBOL_GPL(node_data);
+
+/*
+ * On SH machines the conventional approach is to stash system RAM
+ * in node 0, and other memory blocks in to node 1 and up, ordered by
+ * latency. Each node's pgdat is node-local at the beginning of the node,
+ * immediately followed by the node mem map.
+ */
+void __init setup_memory(void)
+{
+ unsigned long free_pfn = PFN_UP(__pa(_end));
+
+ /*
+ * Node 0 sets up its pgdat at the first available pfn,
+ * and bumps it up before setting up the bootmem allocator.
+ */
+ NODE_DATA(0) = pfn_to_kaddr(free_pfn);
+ memset(NODE_DATA(0), 0, sizeof(struct pglist_data));
+ free_pfn += PFN_UP(sizeof(struct pglist_data));
+ NODE_DATA(0)->bdata = &plat_node_bdata[0];
+
+ /* Set up node 0 */
+ setup_bootmem_allocator(free_pfn);
+
+ /* Give the platforms a chance to hook up their nodes */
+ plat_mem_setup();
+}
+
+void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end)
+{
+ unsigned long bootmap_pages, bootmap_start, bootmap_size;
+ unsigned long start_pfn, free_pfn, end_pfn;
+
+ /* Don't allow bogus node assignment */
+ BUG_ON(nid > MAX_NUMNODES || nid == 0);
+
+ /*
+ * The free pfn starts at the beginning of the range, and is
+ * advanced as necessary for pgdat and node map allocations.
+ */
+ free_pfn = start_pfn = start >> PAGE_SHIFT;
+ end_pfn = end >> PAGE_SHIFT;
+
+ add_active_range(nid, start_pfn, end_pfn);
+
+ /* Node-local pgdat */
+ NODE_DATA(nid) = pfn_to_kaddr(free_pfn);
+ free_pfn += PFN_UP(sizeof(struct pglist_data));
+ memset(NODE_DATA(nid), 0, sizeof(struct pglist_data));
+
+ NODE_DATA(nid)->bdata = &plat_node_bdata[nid];
+ NODE_DATA(nid)->node_start_pfn = start_pfn;
+ NODE_DATA(nid)->node_spanned_pages = end_pfn - start_pfn;
+
+ /* Node-local bootmap */
+ bootmap_pages = bootmem_bootmap_pages(end_pfn - start_pfn);
+ bootmap_start = (unsigned long)pfn_to_kaddr(free_pfn);
+ bootmap_size = init_bootmem_node(NODE_DATA(nid), free_pfn, start_pfn,
+ end_pfn);
+
+ free_bootmem_with_active_regions(nid, end_pfn);
+
+ /* Reserve the pgdat and bootmap space with the bootmem allocator */
+ reserve_bootmem_node(NODE_DATA(nid), start_pfn << PAGE_SHIFT,
+ sizeof(struct pglist_data));
+ reserve_bootmem_node(NODE_DATA(nid), free_pfn << PAGE_SHIFT,
+ bootmap_pages << PAGE_SHIFT);
+
+ /* It's up */
+ node_set_online(nid);
+
+ /* Kick sparsemem */
+ sparse_memory_present_with_active_regions(nid);
+}
diff --git a/arch/sh/mm/pg-dma.c b/arch/sh/mm/pg-dma.c
deleted file mode 100644
index bb23679369d..00000000000
--- a/arch/sh/mm/pg-dma.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * arch/sh/mm/pg-dma.c
- *
- * Fast clear_page()/copy_page() implementation using the SH DMAC
- *
- * Copyright (C) 2003 Paul Mundt
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <asm/semaphore.h>
-#include <asm/mmu_context.h>
-#include <asm/addrspace.h>
-#include <asm/atomic.h>
-#include <asm/page.h>
-#include <asm/dma.h>
-#include <asm/io.h>
-
-/* Channel to use for page ops, must be dual-address mode capable. */
-static int dma_channel = CONFIG_DMA_PAGE_OPS_CHANNEL;
-
-static void copy_page_dma(void *to, void *from)
-{
- /*
- * This doesn't seem to get triggered until further along in the
- * boot process, at which point the DMAC is already initialized.
- * Fix this in the same fashion as clear_page_dma() in the event
- * that this crashes due to the DMAC not being initialized.
- */
-
- flush_icache_range((unsigned long)from, PAGE_SIZE);
- dma_write_page(dma_channel, (unsigned long)from, (unsigned long)to);
- dma_wait_for_completion(dma_channel);
-}
-
-static void clear_page_dma(void *to)
-{
- /*
- * We get invoked quite early on, if the DMAC hasn't been initialized
- * yet, fall back on the slow manual implementation.
- */
- if (dma_info[dma_channel].chan != dma_channel) {
- clear_page_slow(to);
- return;
- }
-
- dma_write_page(dma_channel, (unsigned long)empty_zero_page,
- (unsigned long)to);
-
- /*
- * FIXME: Something is a bit racy here, if we poll the counter right
- * away, we seem to lock. flushing the page from the dcache doesn't
- * seem to make a difference one way or the other, though either a full
- * icache or dcache flush does.
- *
- * The location of this is important as well, and must happen prior to
- * the completion loop but after the transfer was initiated.
- *
- * Oddly enough, this doesn't appear to be an issue for copy_page()..
- */
- flush_icache_range((unsigned long)to, PAGE_SIZE);
-
- dma_wait_for_completion(dma_channel);
-}
-
-static int __init pg_dma_init(void)
-{
- int ret;
-
- ret = request_dma(dma_channel, "page ops");
- if (ret != 0)
- return ret;
-
- copy_page = copy_page_dma;
- clear_page = clear_page_dma;
-
- return ret;
-}
-
-static void __exit pg_dma_exit(void)
-{
- free_dma(dma_channel);
-}
-
-module_init(pg_dma_init);
-module_exit(pg_dma_exit);
-
-MODULE_AUTHOR("Paul Mundt <lethal@linux-sh.org>");
-MODULE_DESCRIPTION("Optimized page copy/clear routines using a dual-address mode capable DMAC channel");
-MODULE_LICENSE("GPL");
-
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-21 13:29:09 +0000