lkml.org 
[lkml]   [2015]   [Mar]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] mfd: arizona: Correct type of gpio_defaults
On Sun, 29 Mar 2015, Charles Keepax wrote:

> gpio_defaults needs to be specified as an unsigned int rather than an
> int, because the intention of the DT binding is that all out of range
> values for a 16-bit register will cause the defaults to be used,
> however, if gpio_defaults is an int then values that are larger than
> INT_MAX will become negative numbers and be written out directly to the
> hardware. As no where in the code replies on gpio_defaults being an int,
> the simplest fix is to just change it to unsigned.
>
> Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
> ---
> include/linux/mfd/arizona/pdata.h | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)

Applied, thanks.

> diff --git a/include/linux/mfd/arizona/pdata.h b/include/linux/mfd/arizona/pdata.h
> index 48fe313..1789cb0 100644
> --- a/include/linux/mfd/arizona/pdata.h
> +++ b/include/linux/mfd/arizona/pdata.h
> @@ -94,7 +94,7 @@ struct arizona_pdata {
> int gpio_base;
>
> /** Pin state for GPIO pins */
> - int gpio_defaults[ARIZONA_MAX_GPIO];
> + unsigned int gpio_defaults[ARIZONA_MAX_GPIO];
>
> /**
> * Maximum number of channels clocks will be generated for,

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog


\
 
 \ /
  Last update: 2015-03-30 09:41    [W:0.035 / U:0.088 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site