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Revert "parisc: fix a possible DMA corruption"

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This reverts commit dadac97f06 which is
commit 7ae04ba36b upstream.

It is reported to cause build failures.

Reported-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/436a575b-4ec0-43a2-b4e9-7eb00d9bbbeb@roeck-us.net
Cc: Mikulas Patocka <mpatocka@redhat.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Mingli Yu <mingli.yu@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman
2024-12-17 10:06:00 +01:00
parent f585c5793a
commit 3dfd8991ad
2 changed files with 1 additions and 11 deletions
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arch/parisc/Kconfig
-1
View File
@@ -15,7 +15,6 @@ config PARISC
select ARCH_SPLIT_ARG64 if !64BIT
select ARCH_SUPPORTS_HUGETLBFS if PA20
select ARCH_SUPPORTS_MEMORY_FAILURE
select ARCH_HAS_CACHE_LINE_SIZE
select DMA_OPS
select RTC_CLASS
select RTC_DRV_GENERIC
arch/parisc/include/asm/cache.h
+1 -10
View File
@@ -20,16 +20,7 @@
#define SMP_CACHE_BYTES L1_CACHE_BYTES
#ifdef CONFIG_PA20
#define ARCH_DMA_MINALIGN 128
#else
#define ARCH_DMA_MINALIGN 32
#endif
#define ARCH_KMALLOC_MINALIGN 16 /* ldcw requires 16-byte alignment */
#define arch_slab_minalign() ((unsigned)dcache_stride)
#define cache_line_size() dcache_stride
#define dma_get_cache_alignment cache_line_size
#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
#define __read_mostly __section(".data..read_mostly")