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Tue, 05 Nov 2019 02:40:41 -0800 (PST) Received: from localhost.localdomain ([213.255.186.46]) by smtp.gmail.com with ESMTPSA id i8sm10605111ljj.11.2019.11.05.02.40.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Nov 2019 02:40:40 -0800 (PST) Date: Tue, 5 Nov 2019 12:40:35 +0200 From: Matti Vaittinen To: matti.vaittinen@fi.rohmeurope.com, mazziesaccount@gmail.com Subject: [PATCH 60/62] gpio: gpio-zynq: Use new GPIO_LINE_DIRECTION Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.12.1 (2019-06-15) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191105_024042_662996_48393D25 X-CRM114-Status: GOOD ( 12.02 ) X-Spam-Score: 0.3 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [209.85.208.194 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.2 HEADER_FROM_DIFFERENT_DOMAINS From and EnvelopeFrom 2nd level mail domains are different 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (mazziesaccount[at]gmail.com) -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [209.85.208.194 listed in wl.mailspike.net] 0.1 FREEMAIL_FORGED_FROMDOMAIN 2nd level domains in From and EnvelopeFrom freemail headers are different X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-gpio@vger.kernel.org, Linus Walleij , linux-kernel@vger.kernel.org, Michal Simek , Bartosz Golaszewski , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org It's hard for occasional GPIO code reader/writer to know if values 0/1 equal to IN or OUT. Use defined GPIO_LINE_DIRECTION_IN and GPIO_LINE_DIRECTION_OUT to help them out. Signed-off-by: Matti Vaittinen Reviewed-by: Michal Simek --- drivers/gpio/gpio-zynq.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c index cd475ff4bcad..4c3f6370eab4 100644 --- a/drivers/gpio/gpio-zynq.c +++ b/drivers/gpio/gpio-zynq.c @@ -360,7 +360,7 @@ static int zynq_gpio_dir_out(struct gpio_chip *chip, unsigned int pin, * * This function returns the direction of the specified GPIO. * - * Return: 0 for output, 1 for input + * Return: GPIO_LINE_DIRECTION_OUT or GPIO_LINE_DIRECTION_IN */ static int zynq_gpio_get_direction(struct gpio_chip *chip, unsigned int pin) { @@ -372,7 +372,10 @@ static int zynq_gpio_get_direction(struct gpio_chip *chip, unsigned int pin) reg = readl_relaxed(gpio->base_addr + ZYNQ_GPIO_DIRM_OFFSET(bank_num)); - return !(reg & BIT(bank_pin_num)); + if (reg & BIT(bank_pin_num)) + return GPIO_LINE_DIRECTION_OUT; + + return GPIO_LINE_DIRECTION_IN; } /**