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RISC-V Cache driver fixes for v6.8-rc6

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A single fix for an inconsistency reported during CIP review by Pavel in
 the newly added ax45mp cache driver.
 
 Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Merge tag 'riscv-cache-fixes-for-v6.8-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into arm/fixes

RISC-V Cache driver fixes for v6.8-rc6

A single fix for an inconsistency reported during CIP review by Pavel in
the newly added ax45mp cache driver.

Signed-off-by: Conor Dooley <conor.dooley@microchip.com>

* tag 'riscv-cache-fixes-for-v6.8-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
  cache: ax45mp_cache: Align end size to cache boundary in ax45mp_dma_cache_wback()

Link: https://lore.kernel.org/r/20240221-keenness-handheld-b930aaa77708@spud
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2024-02-23 13:53:30 +01:00
commit bcb323bd10
1 changed files with 4 additions and 0 deletions
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4
drivers/cache/ax45mp_cache.c vendored
View File

@ -129,8 +129,12 @@ static void ax45mp_dma_cache_wback(phys_addr_t paddr, size_t size)
unsigned long line_size;
unsigned long flags;
if (unlikely(start == end))
return;
line_size = ax45mp_priv.ax45mp_cache_line_size;
start = start & (~(line_size - 1));
end = ((end + line_size - 1) & (~(line_size - 1)));
local_irq_save(flags);
ax45mp_cpu_dcache_wb_range(start, end);
local_irq_restore(flags);