linux-kernel - [PATCH] mmc: winbond: don't build on M68K

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Date:   Sun, 17 Oct 2021 10:59:49 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Pierre Ossman <pierre@...man.eu>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        linux-mmc@...r.kernel.org,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        linux-m68k@...ts.linux-m68k.org, Arnd Bergmann <arnd@...db.de>
Subject: [PATCH] mmc: winbond: don't build on M68K

The Winbond MMC driver fails to build on ARCH=m68k so prevent
that build config. Silences these build errors:

../drivers/mmc/host/wbsd.c: In function 'wbsd_request_end':
../drivers/mmc/host/wbsd.c:212:28: error: implicit declaration of function 'claim_dma_lock' [-Werror=implicit-function-declaration]
  212 |                 dmaflags = claim_dma_lock();
../drivers/mmc/host/wbsd.c:215:17: error: implicit declaration of function 'release_dma_lock'; did you mean 'release_task'? [-Werror=implicit-function-declaration]
  215 |                 release_dma_lock(dmaflags);

Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Pierre Ossman <pierre@...man.eu>
Cc: Ulf Hansson <ulf.hansson@...aro.org>
Cc: linux-mmc@...r.kernel.org
Cc: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: linux-m68k@...ts.linux-m68k.org
Cc: Arnd Bergmann <arnd@...db.de>
---
 drivers/mmc/host/Kconfig |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-next-20211015.orig/drivers/mmc/host/Kconfig
+++ linux-next-20211015/drivers/mmc/host/Kconfig
@@ -508,7 +508,7 @@ config MMC_OMAP_HS

 config MMC_WBSD
 	tristate "Winbond W83L51xD SD/MMC Card Interface support"
-	depends on ISA_DMA_API
+	depends on ISA_DMA_API && !M68K
 	help
 	  This selects the Winbond(R) W83L51xD Secure digital and
 	  Multimedia card Interface.