[PATCH 2/2] pinctrl: imx: use pin_func_ids to search the pinctrl item.

Dong Aisheng dong.aisheng at linaro.org
Mon Mar 4 13:18:53 EST 2013


Hi Linus,

On 1 March 2013 21:07, Linus Walleij <linus.walleij at linaro.org> wrote:
> On Wed, Feb 27, 2013 at 3:35 AM, Huang Shijie <b32955 at freescale.com> wrote:
>
>> The uart may works in DTE mode or DCE mode. The customer can sets the different
>> modes by the pinctrl. But the pinctrl items for DTE or DCE may share the
>> same Pad id, such as:
>>   MX6Q_PAD_EIM_D27__UART2_RXD_DTE and MX6Q_PAD_EIM_D27__WEIM_WEIM_D_27
>>   share the same MX6Q_PAD_EIM_D27 pad id.
>>
>> The current code only search the pinctrl items by pad id. So if there two
>> pinctrl items shares the same pad id, the current code only use the first one,
>> even you tell the system to use the second one in the DTS file.
>>
>> This patch adds a new field pin_func_ids to imx_pin_group{}, and uses the
>> pin_func_ids as the index to search the pinctrl items. In this way, we can
>> avoid the issue.
>>
>> Signed-off-by: Huang Shijie <b32955 at freescale.com>
>
> Dong/Shawn: what about this patch?
>

We do not need this patch anymore since we've changed the binding a bit.

Regards
Dong Aisheng

> The patches anyway has to be merged through the i.MX tree I think,
> if there is a huge movement in these files currently.
>
> Yours,
> Linus Walleij


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