Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index d42b933..80fb5a4 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -27,6 +27,7 @@
#include <linux/vmalloc.h>
#include <linux/io.h>
#include <linux/sizes.h>
+#include <linux/memblock.h>
#include <asm/cp15.h>
#include <asm/cputype.h>
@@ -141,14 +142,8 @@
static void unmap_area_sections(unsigned long virt, unsigned long size)
{
unsigned long addr = virt, end = virt + (size & ~(SZ_1M - 1));
- pgd_t *pgd;
- pud_t *pud;
- pmd_t *pmdp;
+ pmd_t *pmdp = pmd_off_k(addr);
- flush_cache_vunmap(addr, end);
- pgd = pgd_offset_k(addr);
- pud = pud_offset(pgd, addr);
- pmdp = pmd_offset(pud, addr);
do {
pmd_t pmd = *pmdp;
@@ -189,9 +184,7 @@
size_t size, const struct mem_type *type)
{
unsigned long addr = virt, end = virt + size;
- pgd_t *pgd;
- pud_t *pud;
- pmd_t *pmd;
+ pmd_t *pmd = pmd_off_k(addr);
/*
* Remove and free any PTE-based mapping, and
@@ -199,9 +192,6 @@
*/
unmap_area_sections(virt, size);
- pgd = pgd_offset_k(addr);
- pud = pud_offset(pgd, addr);
- pmd = pmd_offset(pud, addr);
do {
pmd[0] = __pmd(__pfn_to_phys(pfn) | type->prot_sect);
pfn += SZ_1M >> PAGE_SHIFT;
@@ -221,19 +211,13 @@
size_t size, const struct mem_type *type)
{
unsigned long addr = virt, end = virt + size;
- pgd_t *pgd;
- pud_t *pud;
- pmd_t *pmd;
+ pmd_t *pmd = pmd_off_k(addr);
/*
* Remove and free any PTE-based mapping, and
* sync the current kernel mapping.
*/
unmap_area_sections(virt, size);
-
- pgd = pgd_offset_k(virt);
- pud = pud_offset(pgd, addr);
- pmd = pmd_offset(pud, addr);
do {
unsigned long super_pmd_val, i;
@@ -301,7 +285,8 @@
* Don't allow RAM to be mapped with mismatched attributes - this
* causes problems with ARMv6+
*/
- if (WARN_ON(pfn_valid(pfn) && mtype != MT_MEMORY_RW))
+ if (WARN_ON(memblock_is_map_memory(PFN_PHYS(pfn)) &&
+ mtype != MT_MEMORY_RW))
return NULL;
area = get_vm_area_caller(size, VM_IOREMAP, caller);
@@ -382,15 +367,11 @@
EXPORT_SYMBOL(ioremap);
void __iomem *ioremap_cache(resource_size_t res_cookie, size_t size)
- __alias(ioremap_cached);
-
-void __iomem *ioremap_cached(resource_size_t res_cookie, size_t size)
{
return arch_ioremap_caller(res_cookie, size, MT_DEVICE_CACHED,
__builtin_return_address(0));
}
EXPORT_SYMBOL(ioremap_cache);
-EXPORT_SYMBOL(ioremap_cached);
void __iomem *ioremap_wc(resource_size_t res_cookie, size_t size)
{