linux-kernel - Re: [PATCH 1/2] mfd: jz4740-adc: Include linux/io.h

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Date:	Fri, 09 Dec 2011 11:20:05 +0100
From:	Lars-Peter Clausen <lars@...afoo.de>
To:	Axel Lin <axel.lin@...il.com>
CC:	linux-kernel@...r.kernel.org, Samuel Ortiz <sameo@...ux.intel.com>
Subject: Re: [PATCH 1/2] mfd: jz4740-adc: Include linux/io.h

On 12/09/2011 04:27 AM, Axel Lin wrote:
> Include linux/io.h to fix below build error:
> 
>   CC      drivers/mfd/jz4740-adc.o
> drivers/mfd/jz4740-adc.c: In function 'jz4740_adc_irq_demux':
> drivers/mfd/jz4740-adc.c:73: error: implicit declaration of function 'readb'
> drivers/mfd/jz4740-adc.c: In function 'jz4740_adc_set_enabled':
> drivers/mfd/jz4740-adc.c:110: error: implicit declaration of function 'writeb'
> drivers/mfd/jz4740-adc.c: In function 'jz4740_adc_set_config':
> drivers/mfd/jz4740-adc.c:146: error: implicit declaration of function 'readl'
> drivers/mfd/jz4740-adc.c:151: error: implicit declaration of function 'writel'
> drivers/mfd/jz4740-adc.c: In function 'jz4740_adc_probe':
> drivers/mfd/jz4740-adc.c:249: error: implicit declaration of function 'ioremap_nocache'
> drivers/mfd/jz4740-adc.c:249: warning: assignment makes pointer from integer without a cast
> drivers/mfd/jz4740-adc.c:289: warning: passing argument 3 of 'mfd_add_devices' discards qualifiers from pointer target type
> include/linux/mfd/core.h:93: note: expected 'struct mfd_cell *' but argument is of type 'const struct mfd_cell *'
> drivers/mfd/jz4740-adc.c:299: error: implicit declaration of function 'iounmap'
> make[2]: *** [drivers/mfd/jz4740-adc.o] Error 1
> make[1]: *** [drivers/mfd] Error 2
> make: *** [drivers] Error 2
> 
> Signed-off-by: Axel Lin <axel.lin@...il.com>

Acked-by: Lars-Peter Clausen <lars@...afoo.de>

> ---
>  drivers/mfd/jz4740-adc.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c
> index 1e9ee53..ef39528 100644
> --- a/drivers/mfd/jz4740-adc.c
> +++ b/drivers/mfd/jz4740-adc.c
> @@ -16,6 +16,7 @@
>   */
>  
>  #include <linux/err.h>
> +#include <linux/io.h>
>  #include <linux/irq.h>
>  #include <linux/interrupt.h>
>  #include <linux/kernel.h>

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