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[104.188.17.28]) by smtp.gmail.com with ESMTPSA id g7sm1139962pfq.33.2019.12.17.21.42.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Dec 2019 21:42:27 -0800 (PST) Date: Tue, 17 Dec 2019 21:42:24 -0800 From: Bjorn Andersson To: Marek Szyprowski Cc: linux-usb@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Greg Kroah-Hartman , Krzysztof Kozlowski , Matthias Brugger , Maxime Ripard , Chen-Yu Tsai , Andy Gross , Stefan Agner , Chunfeng Yun , Linus Walleij , Bartlomiej Zolnierkiewicz Subject: Re: [PATCH v2 2/4] ARM: dts: qcom: Correct USB3503 GPIOs polarity Message-ID: <20191218054224.GE448416@yoga> References: <20191211145054.24835-1-m.szyprowski@samsung.com> <20191211145208.24976-1-m.szyprowski@samsung.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191211145208.24976-1-m.szyprowski@samsung.com> User-Agent: Mutt/1.12.2 (2019-09-21) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed 11 Dec 06:52 PST 2019, Marek Szyprowski wrote: > Current USB3503 driver ignores GPIO polarity and always operates as if the > GPIO lines were flagged as ACTIVE_HIGH. Fix the polarity for the existing > USB3503 chip applications to match the chip specification and common > convention for naming the pins. The only pin, which has to be ACTIVE_LOW > is the reset pin. The remaining are ACTIVE_HIGH. This change allows later > to fix the USB3503 driver to properly use generic GPIO bindings and read > polarity from DT. > > Signed-off-by: Marek Szyprowski Acked-by: Bjorn Andersson > --- > arch/arm/boot/dts/qcom-mdm9615-wp8548-mangoh-green.dts | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm/boot/dts/qcom-mdm9615-wp8548-mangoh-green.dts b/arch/arm/boot/dts/qcom-mdm9615-wp8548-mangoh-green.dts > index 26160c324802..942e3a2cac35 100644 > --- a/arch/arm/boot/dts/qcom-mdm9615-wp8548-mangoh-green.dts > +++ b/arch/arm/boot/dts/qcom-mdm9615-wp8548-mangoh-green.dts > @@ -143,7 +143,7 @@ > compatible = "smsc,usb3503a"; > reg = <0x8>; > connect-gpios = <&gpioext2 1 GPIO_ACTIVE_HIGH>; > - intn-gpios = <&gpioext2 0 GPIO_ACTIVE_LOW>; > + intn-gpios = <&gpioext2 0 GPIO_ACTIVE_HIGH>; > initial-mode = <1>; > }; > }; > -- > 2.17.1 >