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Date: Wed, 9 Apr 2014 15:51:16 +0200 From: Boris BREZILLON <boris.brezillon@...e-electrons.com> To: Randy Dunlap <rdunlap@...radead.org>, Maxime Ripard <maxime.ripard@...e-electrons.com>, Emilio López <emilio@...pez.com.ar>, Mike Turquette <mturquette@...aro.org>, Linus Walleij <linus.walleij@...aro.org> Cc: devicetree@...r.kernel.org, linux-doc@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, Boris BREZILLON <boris.brezillon@...e-electrons.com> Subject: [PATCH 13/15] pinctrl: sunxi: retrieve and enable PL reset line for A31 SoC Retrieve and deassert the reset line related to PL pins. Signed-off-by: Boris BREZILLON <boris.brezillon@...e-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; } else { pctl->get_membase = sunxi_pinctrl_get_membase; } -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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