[PATCH] ARM: s3c64xx: avoid warning about 'struct device_node'

The change to simplify of_platform_populate() had an unintended
side-effect of introducing a build warning on s3c64xx:

In file included from arch/arm/mach-s3c64xx/mach-s3c64xx-dt.c:18:0:
arch/arm/mach-s3c64xx/common.h:27:30: error: 'struct device_node' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]

This adds a forward-declaration for the structure name in the
header to avoid the warning.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 850bea2335e4 ("arm: Remove unnecessary of_platform_populate with default match table")
---
Rob, can you apply this on top of the devicetree git so we don't
have to coordinate the merges?
---
 arch/arm/mach-s3c64xx/common.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-s3c64xx/common.h b/arch/arm/mach-s3c64xx/common.h
index 9eb864412911..4f204668f00e 100644
--- a/arch/arm/mach-s3c64xx/common.h
+++ b/arch/arm/mach-s3c64xx/common.h

@@ -24,6 +24,7 @@ void s3c64xx_init_io(struct map_desc *mach_desc, int size);
 
 void s3c64xx_restart(enum reboot_mode mode, const char *cmd);
 
+struct device_node;
 void s3c64xx_clk_init(struct device_node *np, unsigned long xtal_f,
 	unsigned long xusbxti_f, bool is_s3c6400, void __iomem *reg_base);
 void s3c64xx_set_xtal_freq(unsigned long freq);

-- 
2.9.0

On 06/27/2016 01:02 PM, Arnd Bergmann wrote:

The change to simplify of_platform_populate() had an unintended
side-effect of introducing a build warning on s3c64xx:

In file included from arch/arm/mach-s3c64xx/mach-s3c64xx-dt.c:18:0:
arch/arm/mach-s3c64xx/common.h:27:30: error: 'struct device_node' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]

This adds a forward-declaration for the structure name in the
header to avoid the warning.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 850bea2335e4 ("arm: Remove unnecessary of_platform_populate with default match table")
---
Rob, can you apply this on top of the devicetree git so we don't
have to coordinate the merges?

Acked-by: Krzysztof Kozlowski <redacted>

BR,
Krzysztof

On Monday, June 27, 2016 1:33:51 PM CEST Krzysztof Kozlowski wrote:

On 06/27/2016 01:02 PM, Arnd Bergmann wrote:

quoted

The change to simplify of_platform_populate() had an unintended
side-effect of introducing a build warning on s3c64xx:

In file included from arch/arm/mach-s3c64xx/mach-s3c64xx-dt.c:18:0:
arch/arm/mach-s3c64xx/common.h:27:30: error: 'struct device_node' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]

This adds a forward-declaration for the structure name in the
header to avoid the warning.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 850bea2335e4 ("arm: Remove unnecessary of_platform_populate with default match table")
---
Rob, can you apply this on top of the devicetree git so we don't
have to coordinate the merges?

Acked-by: Krzysztof Kozlowski <redacted>

Hi Rob,

I still get the warning in every linux-next build, do you plan to pick
up the fix for the commit you merged, or should I try to work around it
in arm-soc and leave this as a bisection problem?

	Arnd

On Monday, July 11, 2016 1:15:11 PM CEST Arnd Bergmann wrote:

On Monday, June 27, 2016 1:33:51 PM CEST Krzysztof Kozlowski wrote:

quoted

On 06/27/2016 01:02 PM, Arnd Bergmann wrote:

quoted

The change to simplify of_platform_populate() had an unintended
side-effect of introducing a build warning on s3c64xx:

In file included from arch/arm/mach-s3c64xx/mach-s3c64xx-dt.c:18:0:
arch/arm/mach-s3c64xx/common.h:27:30: error: 'struct device_node' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]

This adds a forward-declaration for the structure name in the
header to avoid the warning.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 850bea2335e4 ("arm: Remove unnecessary of_platform_populate with default match table")
---
Rob, can you apply this on top of the devicetree git so we don't
have to coordinate the merges?

Acked-by: Krzysztof Kozlowski <redacted>

Hi Rob,

I still get the warning in every linux-next build, do you plan to pick
up the fix for the commit you merged, or should I try to work around it
in arm-soc and leave this as a bisection problem?

Now with Rob back on Cc.

	Arnd

On Monday, July 11, 2016 1:40:45 PM CEST Arnd Bergmann wrote:

On Monday, July 11, 2016 1:15:11 PM CEST Arnd Bergmann wrote:

quoted

On Monday, June 27, 2016 1:33:51 PM CEST Krzysztof Kozlowski wrote:

quoted

On 06/27/2016 01:02 PM, Arnd Bergmann wrote:

quoted

The change to simplify of_platform_populate() had an unintended
side-effect of introducing a build warning on s3c64xx:

In file included from arch/arm/mach-s3c64xx/mach-s3c64xx-dt.c:18:0:
arch/arm/mach-s3c64xx/common.h:27:30: error: 'struct device_node' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]

This adds a forward-declaration for the structure name in the
header to avoid the warning.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 850bea2335e4 ("arm: Remove unnecessary of_platform_populate with default match table")
---
Rob, can you apply this on top of the devicetree git so we don't
have to coordinate the merges?

Acked-by: Krzysztof Kozlowski <redacted>

Hi Rob,

I still get the warning in every linux-next build, do you plan to pick
up the fix for the commit you merged, or should I try to work around it
in arm-soc and leave this as a bisection problem?

Now with Rob back on Cc.

I've applied it to arm-soc/next/cleanup now, so we can avoid the warning
in linux-next and in 4.8, though it is still present in the devicetree
git.

	Arnd