linux-kernel - [PATCH 1/1] arch: arm: mach-omap2: mmc: Move omap_mmc_notify_cover

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Message-Id: <20200701102317.235032-1-lee.jones@linaro.org>
Date:   Wed,  1 Jul 2020 11:23:17 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     lee.jones@...aro.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Ulf Hansson <ulf.hansson@...aro.org>,
        linux-mmc@...r.kernel.org, Tony Lindgren <tony@...mide.com>,
        linux-omap@...r.kernel.org
Subject: [PATCH 1/1] arch: arm: mach-omap2: mmc: Move omap_mmc_notify_cover_event() prototype

When building the kernel with W=1 the build system complains of:

 drivers/mmc/host/omap.c:854:6: warning: no previous prototype for ‘omap_mmc_notify_cover_event’ [-Wmissing-prototypes]
 854 | void omap_mmc_notify_cover_event(struct device *dev, int num, int is_closed)
 | ^~~~~~~~~~~~~~~~~~~~~~~~~~~

If we move the prototype into a shared headerfile the build system
will be satisfied.  Rather than create a whole new headerfile just
for this purpose, it makes sense to use the already existing
mmc-omap.h.

Cc: Ulf Hansson <ulf.hansson@...aro.org>
Cc: linux-mmc@...r.kernel.org
Cc: Tony Lindgren <tony@...mide.com>
Cc: linux-omap@...r.kernel.org
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 arch/arm/mach-omap2/mmc.h              | 4 ----
 include/linux/platform_data/mmc-omap.h | 3 +++
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-omap2/mmc.h b/arch/arm/mach-omap2/mmc.h
index 7f4e053c34344..b5533e93cb632 100644
--- a/arch/arm/mach-omap2/mmc.h
+++ b/arch/arm/mach-omap2/mmc.h
@@ -16,7 +16,3 @@ static inline int omap_msdi_reset(struct omap_hwmod *oh)
 	return 0;
 }
 #endif
-
-/* called from board-specific card detection service routine */
-extern void omap_mmc_notify_cover_event(struct device *dev, int slot,
-					int is_closed);
diff --git a/include/linux/platform_data/mmc-omap.h b/include/linux/platform_data/mmc-omap.h
index 9acf0e87aa9be..f0b8947e6b07d 100644
--- a/include/linux/platform_data/mmc-omap.h
+++ b/include/linux/platform_data/mmc-omap.h
@@ -116,3 +116,6 @@ struct omap_mmc_platform_data {
 
 	} slots[OMAP_MMC_MAX_SLOTS];
 };
+
+extern void omap_mmc_notify_cover_event(struct device *dev, int slot,
+					int is_closed);
-- 
2.25.1