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Subject[PATCH v2] sparc: cacheflush_32.h needs struct page
Date
Add a struct page forward declaration to cacheflush_32.h.
Fixes this build warning:

CC drivers/crypto/xilinx/zynqmp-sha.o
In file included from ../arch/sparc/include/asm/cacheflush.h:11,
from ../include/linux/cacheflush.h:5,
from ../drivers/crypto/xilinx/zynqmp-sha.c:6:
../arch/sparc/include/asm/cacheflush_32.h:38:37: warning: 'struct page' declared inside parameter list will not be visible outside of this definition or declaration
38 | void sparc_flush_page_to_ram(struct page *page);

Exposed by commit 0e03b8fd2936
("crypto: xilinx - Turn SHA into a tristate and allow COMPILE_TEST")
but not Fixes: that commit.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: David S. Miller <davem@davemloft.net>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: sparclinux@vger.kernel.org
---
v2: use forward declaration instead of adding <linux/mm.h> (Sam)

arch/sparc/include/asm/cacheflush_32.h | 1 +
1 file changed, 1 insertion(+)

--- a/arch/sparc/include/asm/cacheflush_32.h
+++ b/arch/sparc/include/asm/cacheflush_32.h
@@ -35,6 +35,7 @@
#define flush_page_for_dma(addr) \
sparc32_cachetlb_ops->page_for_dma(addr)

+struct page;
void sparc_flush_page_to_ram(struct page *page);

#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
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