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From: Randy Dunlap <rdunlap@infradead.org>
To: linux-kernel@vger.kernel.org
Cc: Randy Dunlap <rdunlap@infradead.org>,
	kernel test robot <lkp@intel.com>,
	Herbert Xu <herbert@gondor.apana.org.au>,
	"David S . Miller" <davem@davemloft.net>,
	Sam Ravnborg <sam@ravnborg.org>,
	sparclinux@vger.kernel.org
Subject: [PATCH v2] sparc: cacheflush_32.h needs struct page
Date: Sat,  9 Apr 2022 08:16:09 -0700	[thread overview]
Message-ID: <20220409151609.3715-1-rdunlap@infradead.org> (raw)

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

             reply	other threads:[~2022-04-09 15:16 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-09 15:16 Randy Dunlap [this message]
2022-04-09 18:05 ` [PATCH v2] sparc: cacheflush_32.h needs struct page Sam Ravnborg
2022-04-10  1:21 ` Herbert Xu

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