[PATCH 13/15] pinctrl: sunxi: retrieve and enable PL reset line for A31 SoC

Maxime Ripard
2014-04-09T15:34:12Z

On Wed, Apr 09, 2014 at 03:51:16PM +0200, Boris BREZILLON wrote:
> Retrieve and deassert the reset line related to PL pins.
>
> Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
> ---
> drivers/pinctrl/pinctrl-sunxi.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c
> index da76ceb..09eea79 100644
> --- a/drivers/pinctrl/pinctrl-sunxi.c
> +++ b/drivers/pinctrl/pinctrl-sunxi.c
> @@ -26,6 +26,7 @@
> #include <linux/pinctrl/pinconf-generic.h>
> #include <linux/pinctrl/pinmux.h>
> #include <linux/platform_device.h>
> +#include <linux/reset.h>
> #include <linux/slab.h>
>
> #include "core.h"
> @@ -878,6 +879,7 @@ static int sunxi_pinctrl_probe(struct platform_device *pdev)
> const struct of_device_id *device;
> struct pinctrl_pin_desc *pins;
> struct sunxi_pinctrl *pctl;
> + struct reset_control *rstc;
> int i, ret, last_pin;
> struct clk *clk;
>
> @@ -905,6 +907,14 @@ static int sunxi_pinctrl_probe(struct platform_device *pdev)
> ret = clk_prepare_enable(clk);
> if (ret)
> return ret;
> +
> + rstc = devm_reset_control_get(&pdev->dev, NULL);
> + if (IS_ERR(rstc))
> + return PTR_ERR(rstc);
> +
> + ret = reset_control_deassert(rstc);
> + if (ret)
> + return ret;

Same thing than in patch 12 :)

--
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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