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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-07-24 16:21:27 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-07-24 16:21:27 +0200
commit8f9aa2c90530ab92301a82231ae44f3722becd93 (patch)
treefb282e955b0a880b07131a135257fe3ec764e928 /arch/openrisc/mm
parent93467b31bec6da512b51544e5e4584f2745e995e (diff)
parent155b42bec9cbb6b8cdc47dd9bd09503a81fbe493 (diff)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/openrisc/mm')
-rw-r--r--arch/openrisc/mm/cache.c16
-rw-r--r--arch/openrisc/mm/init.c2
2 files changed, 17 insertions, 1 deletions
diff --git a/arch/openrisc/mm/cache.c b/arch/openrisc/mm/cache.c
index f33df46dae4e..2667d90691b5 100644
--- a/arch/openrisc/mm/cache.c
+++ b/arch/openrisc/mm/cache.c
@@ -63,6 +63,22 @@ void local_icache_page_inv(struct page *page)
}
EXPORT_SYMBOL(local_icache_page_inv);
+void local_icache_all_inv(void)
+{
+ if (cpu_cache_is_present(SPR_UPR_ICP)) {
+ unsigned long iccfgr = mfspr(SPR_ICCFGR);
+ unsigned long sets = 1 << ((iccfgr & SPR_ICCFGR_NCS) >> 3);
+ unsigned long block_size = 16 << ((iccfgr & SPR_ICCFGR_CBS) >> 7);
+ unsigned long paddr = 0;
+ unsigned long end = sets * block_size;
+
+ while (paddr < end) {
+ mtspr(SPR_ICBIR, paddr);
+ paddr += block_size;
+ }
+ }
+}
+
void local_dcache_range_flush(unsigned long start, unsigned long end)
{
cache_loop(start, end, SPR_DCBFR, SPR_UPR_DCP);
diff --git a/arch/openrisc/mm/init.c b/arch/openrisc/mm/init.c
index 89d8c6df8855..db7c844faeeb 100644
--- a/arch/openrisc/mm/init.c
+++ b/arch/openrisc/mm/init.c
@@ -193,7 +193,7 @@ void __init mem_init(void)
return;
}
-static int __init map_page(unsigned long va, phys_addr_t pa, pgprot_t prot)
+static int map_page(unsigned long va, phys_addr_t pa, pgprot_t prot)
{
p4d_t *p4d;
pud_t *pud;