[PATCH v4,2/4] powerpc: sysdev: fix compile error for fsl_85xx_cache_sram

[Christophe Leroy]

Le 16/04/2020 à 17:35, Wang Wenhu a écrit :
> Include linux/io.h into fsl_85xx_cache_sram.c to fix the
> implicit-declaration compile error when building Cache-Sram.
> 
> arch/powerpc/sysdev/fsl_85xx_cache_sram.c: In function ‘instantiate_cache_sram’:
> arch/powerpc/sysdev/fsl_85xx_cache_sram.c:97:26: error: implicit declaration of function ‘ioremap_coherent’; did you mean ‘bitmap_complement’? [-Werror=implicit-function-declaration]
>    cache_sram->base_virt = ioremap_coherent(cache_sram->base_phys,
>                            ^~~~~~~~~~~~~~~~
>                            bitmap_complement
> arch/powerpc/sysdev/fsl_85xx_cache_sram.c:97:24: error: assignment makes pointer from integer without a cast [-Werror=int-conversion]
>    cache_sram->base_virt = ioremap_coherent(cache_sram->base_phys,
>                          ^
> arch/powerpc/sysdev/fsl_85xx_cache_sram.c:123:2: error: implicit declaration of function ‘iounmap’; did you mean ‘roundup’? [-Werror=implicit-function-declaration]
>    iounmap(cache_sram->base_virt);
>    ^~~~~~~
>    roundup
> cc1: all warnings being treated as errors
> 
> Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
> Cc: Christophe Leroy <christophe.leroy at c-s.fr>
> Cc: Scott Wood <oss at buserror.net>
> Cc: Michael Ellerman <mpe at ellerman.id.au>
> Cc: linuxppc-dev at lists.ozlabs.org
> Fixes: 6db92cc9d07d ("powerpc/85xx: add cache-sram support")
> Signed-off-by: Wang Wenhu <wenhu.wang at vivo.com>

Reviewed-by: Christophe Leroy <christophe.leroy at c-s.fr>

> ---
> Changes since v1:
>   * None
> Changes since v2:
>   * None
> Changes since v3:
>   * None
> ---
>   arch/powerpc/sysdev/fsl_85xx_cache_sram.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/arch/powerpc/sysdev/fsl_85xx_cache_sram.c b/arch/powerpc/sysdev/fsl_85xx_cache_sram.c
> index f6c665dac725..be3aef4229d7 100644
> --- a/arch/powerpc/sysdev/fsl_85xx_cache_sram.c
> +++ b/arch/powerpc/sysdev/fsl_85xx_cache_sram.c
> @@ -17,6 +17,7 @@
>   #include <linux/of_platform.h>
>   #include <asm/pgtable.h>
>   #include <asm/fsl_85xx_cache_sram.h>
> +#include <linux/io.h>
>   
>   #include "fsl_85xx_cache_ctlr.h"
>   
>