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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Linus Walleij , Bartosz Golaszewski Subject: [PATCH net-next v1 2/2] ieee802154: ca8210: Switch to using gpiod API Date: Mon, 3 Mar 2025 17:07:40 +0200 Message-ID: <20250303150855.1294188-3-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250303150855.1294188-1-andriy.shevchenko@linux.intel.com> References: <20250303150855.1294188-1-andriy.shevchenko@linux.intel.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org This updates the driver to gpiod API, and removes yet another use of of_get_named_gpio(). Signed-off-by: Andy Shevchenko --- drivers/net/ieee802154/ca8210.c | 63 ++++++++++++--------------------- 1 file changed, 22 insertions(+), 41 deletions(-) diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c index a036910f6082..2342f1927dc9 100644 --- a/drivers/net/ieee802154/ca8210.c +++ b/drivers/net/ieee802154/ca8210.c @@ -52,12 +52,10 @@ #include #include #include -#include #include #include #include #include -#include #include #include #include @@ -350,8 +348,8 @@ struct work_priv_container { * @extclockenable: true if the external clock is to be enabled * @extclockfreq: frequency of the external clock * @extclockgpio: ca8210 output gpio of the external clock - * @gpio_reset: gpio number of ca8210 reset line - * @gpio_irq: gpio number of ca8210 interrupt line + * @reset_gpio: GPIO of ca8210 reset line + * @irq_gpio: GPIO of ca8210 interrupt line * @irq_id: identifier for the ca8210 irq * */ @@ -359,8 +357,8 @@ struct ca8210_platform_data { bool extclockenable; unsigned int extclockfreq; unsigned int extclockgpio; - int gpio_reset; - int gpio_irq; + struct gpio_desc *reset_gpio; + struct gpio_desc *irq_gpio; int irq_id; }; @@ -631,10 +629,10 @@ static void ca8210_reset_send(struct spi_device *spi, unsigned int ms) struct ca8210_priv *priv = spi_get_drvdata(spi); long status; - gpio_set_value(pdata->gpio_reset, 0); + gpiod_set_value(pdata->reset_gpio, 0); reinit_completion(&priv->ca8210_is_awake); msleep(ms); - gpio_set_value(pdata->gpio_reset, 1); + gpiod_set_value(pdata->reset_gpio, 1); priv->promiscuous = false; /* Wait until wakeup indication seen */ @@ -2784,25 +2782,14 @@ static void ca8210_unregister_ext_clock(struct spi_device *spi) */ static int ca8210_reset_init(struct spi_device *spi) { - int ret; - struct ca8210_platform_data *pdata = spi->dev.platform_data; + struct device *dev = &spi->dev; + struct ca8210_platform_data *pdata = dev_get_platdata(dev); - pdata->gpio_reset = of_get_named_gpio( - spi->dev.of_node, - "reset-gpio", - 0 - ); + pdata->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(pdata->reset_gpio)) + dev_crit(dev, "Reset GPIO did not set to output mode\n"); - ret = gpio_direction_output(pdata->gpio_reset, 1); - if (ret < 0) { - dev_crit( - &spi->dev, - "Reset GPIO %d did not set to output mode\n", - pdata->gpio_reset - ); - } - - return ret; + return PTR_ERR_OR_ZERO(pdata->reset_gpio); } /** @@ -2813,23 +2800,19 @@ static int ca8210_reset_init(struct spi_device *spi) */ static int ca8210_interrupt_init(struct spi_device *spi) { + struct device *dev = &spi->dev; + struct ca8210_platform_data *pdata = dev_get_platdata(dev); int ret; - struct ca8210_platform_data *pdata = spi->dev.platform_data; - pdata->gpio_irq = of_get_named_gpio( - spi->dev.of_node, - "irq-gpio", - 0 - ); + pdata->irq_gpio = devm_gpiod_get(dev, "irq", GPIOD_IN); + if (IS_ERR(pdata->irq_gpio)) { + dev_crit(dev, "Could not retrieve IRQ GPIO\n"); + return PTR_ERR(pdata->irq_gpio); + } - pdata->irq_id = gpio_to_irq(pdata->gpio_irq); + pdata->irq_id = gpiod_to_irq(pdata->irq_gpio); if (pdata->irq_id < 0) { - dev_crit( - &spi->dev, - "Could not get irq for gpio pin %d\n", - pdata->gpio_irq - ); - gpio_free(pdata->gpio_irq); + dev_crit(dev, "Could not get irq for IRQ GPIO\n"); return pdata->irq_id; } @@ -2840,10 +2823,8 @@ static int ca8210_interrupt_init(struct spi_device *spi) "ca8210-irq", spi_get_drvdata(spi) ); - if (ret) { + if (ret) dev_crit(&spi->dev, "request_irq %d failed\n", pdata->irq_id); - gpio_free(pdata->gpio_irq); - } return ret; }