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SubjectRe: [PATCH v1] power: reset: reboot mode: fix build error of missing ioremap/iounmap on UM
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On 08/12/2016 12:01 PM, Andy Yan wrote:
> commit 4fcd504edbf7 ("power: reset: add reboot mode driver") uses api from
> syscon, and syscon uses ioremap/iounmap which depends on HAS_IOMEM, so
> let's depend on MFD_SYSCON instead of selecting it directly to avoid the
> um-allyesconfig like build error on archs that without iomem:
>
> drivers/mfd/syscon.c: In function 'of_syscon_register':
> drivers/mfd/syscon.c:67:9: error: implicit declaration of function 'ioremap' [-Werror=implicit-function-declaration]
> base = ioremap(res.start, resource_size(&res));
> ^
> drivers/mfd/syscon.c:67:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
> base = ioremap(res.start, resource_size(&res));
> ^
> drivers/mfd/syscon.c:109:2: error: implicit declaration of function 'iounmap' [-Werror=implicit-function-declaration]
> iounmap(base);
> ^
>
> Reported-by: Kbuild test robot <fengguang.wu@intel.com>
> Fixes: 4fcd504edbf7("power: reset: add reboot mode driver")
> Signed-off-by: Andy Yan <andy.yan@rock-chips.com>
>
> ---
>
> Changes in v1:
> - let this driver depend on MFD_SYSCON
> - add Reported-by tag, which suggested by Krzysztof Kozlowski
> - add Fixes tag, which suggested by Matthias Brugger
>
> drivers/power/reset/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>

Best regards,
Krzysztof

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