[PATCH] pinctrl: Pass all configs to driver on pin_config_set()
Stephen Warren
swarren at wwwdotorg.org
Mon Aug 19 15:12:06 EDT 2013
On 08/15/2013 04:42 PM, Sherman Yin wrote:
> When setting pin configuration in the pinctrl framework, pin_config_set() or
> pin_config_group_set() is called in a loop to set one configuration at a time
> for the specified pin or group.
>
> This patch 1) removes the loop and 2) changes the API to pass the whole pin
> config array to the driver. It is now up to the driver to loop through the
> configs. This allows the driver to potentially combine configs and reduce the
> number of writes to pin config registers.
>
> Signed-off-by: Sherman Yin <syin at broadcom.com>
> Reviewed-by: Christian Daudt <csd at broadcom.com>
> Reviewed-by: Matt Porter <matt.porter at linaro.org>
> Change-Id: I99cbfa2ae7b774456eb71edb276711b1ddcd42c8
That tag shouldn't be included in upstream patches.
> drivers/pinctrl/pinconf.c | 42 ++++----
> drivers/pinctrl/pinctrl-tegra.c | 69 ++++++------
> include/linux/pinctrl/pinconf.h | 6 +-
Those files, Reviewed-by: Stephen Warren <swarren at nvidia.com>
On Tegra (Tegra114 Dalmore board, on top of next-20130816),
Tested-by: Stephen Warren <nvidia.com>
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