From mboxrd@z Thu Jan 1 00:00:00 1970 From: hao_zhang Subject: [PATCH v4 4/4] ARM: pinctrl: sunxi-pinctrl: fix pin funtion can not be match correctly. Date: Wed, 13 Dec 2017 22:47:48 +0800 Message-ID: <20171213144748.GA18267@arx-s1> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org To: thierry.reding@gmail.com, robh+dt@kernel.org, mark.rutland@arm.com, linux@armlinux.org.uk, wens@csie.org, linus.walleij@linaro.org, maxime.ripard@free-electrons.com Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pwm@vger.kernel.org, linux-amlogic@lists.infradead.org, hao5781286@gmail.com List-Id: devicetree@vger.kernel.org Pin function can not be match correctly when SUNXI_PIN describe with mutiple variant and same function. such as: on pinctrl-sun4i-a10.c SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 2), SUNXI_FUNCTION(0x0, "gpio_in"), SUNXI_FUNCTION(0x1, "gpio_out"), SUNXI_FUNCTION_VARIANT(0x2, "pwm", /* PWM0 */ PINCTRL_SUN4I_A10 | PINCTRL_SUN7I_A20), SUNXI_FUNCTION_VARIANT(0x3, "pwm", /* PWM0 */ PINCTRL_SUN8I_R40)), it would always match to the first variant function (PINCTRL_SUN4I_A10, PINCTRL_SUN7I_A20) so we should add variant compare on it. Signed-off-by: hao_zhang --- drivers/pinctrl/sunxi/pinctrl-sunxi.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c b/drivers/pinctrl/sunxi/pinctrl-sunxi.c index 4b6cb25..f23e74e 100644 --- a/drivers/pinctrl/sunxi/pinctrl-sunxi.c +++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c @@ -83,9 +83,11 @@ sunxi_pinctrl_desc_find_function_by_name(struct sunxi_pinctrl *pctl, struct sunxi_desc_function *func = pin->functions; while (func->name) { - if (!strcmp(func->name, func_name)) + if (!strcmp(func->name, func_name)) { + if (!(func->variant) || + (func->variant & pctl->variant)) return func; - + } func++; } } -- 2.7.4