diff options
Diffstat (limited to 'drivers/staging/greybus/arche-apb-ctrl.c')
| -rw-r--r-- | drivers/staging/greybus/arche-apb-ctrl.c | 39 |
1 files changed, 20 insertions, 19 deletions
diff --git a/drivers/staging/greybus/arche-apb-ctrl.c b/drivers/staging/greybus/arche-apb-ctrl.c index b0c66112eb18..cc8d6fc831b4 100644 --- a/drivers/staging/greybus/arche-apb-ctrl.c +++ b/drivers/staging/greybus/arche-apb-ctrl.c @@ -72,14 +72,14 @@ static int coldboot_seq(struct platform_device *pdev) int ret; if (apb->init_disabled || - apb->state == ARCHE_PLATFORM_STATE_ACTIVE) + apb->state == ARCHE_PLATFORM_STATE_ACTIVE) return 0; /* Hold APB in reset state */ assert_reset(apb->resetn_gpio); if (apb->state == ARCHE_PLATFORM_STATE_FW_FLASHING && - gpio_is_valid(apb->spi_en_gpio)) + gpio_is_valid(apb->spi_en_gpio)) devm_gpio_free(dev, apb->spi_en_gpio); /* Enable power to APB */ @@ -122,7 +122,7 @@ static int fw_flashing_seq(struct platform_device *pdev) int ret; if (apb->init_disabled || - apb->state == ARCHE_PLATFORM_STATE_FW_FLASHING) + apb->state == ARCHE_PLATFORM_STATE_FW_FLASHING) return 0; ret = regulator_enable(apb->vcore); @@ -146,7 +146,7 @@ static int fw_flashing_seq(struct platform_device *pdev) flags = GPIOF_OUT_INIT_LOW; ret = devm_gpio_request_one(dev, apb->spi_en_gpio, - flags, "apb_spi_en"); + flags, "apb_spi_en"); if (ret) { dev_err(dev, "Failed requesting SPI bus en gpio %d\n", apb->spi_en_gpio); @@ -174,11 +174,11 @@ static int standby_boot_seq(struct platform_device *pdev) * then we do not want to change the state */ if (apb->state == ARCHE_PLATFORM_STATE_STANDBY || - apb->state == ARCHE_PLATFORM_STATE_OFF) + apb->state == ARCHE_PLATFORM_STATE_OFF) return 0; if (apb->state == ARCHE_PLATFORM_STATE_FW_FLASHING && - gpio_is_valid(apb->spi_en_gpio)) + gpio_is_valid(apb->spi_en_gpio)) devm_gpio_free(dev, apb->spi_en_gpio); /* @@ -203,7 +203,7 @@ static void poweroff_seq(struct platform_device *pdev) return; if (apb->state == ARCHE_PLATFORM_STATE_FW_FLASHING && - gpio_is_valid(apb->spi_en_gpio)) + gpio_is_valid(apb->spi_en_gpio)) devm_gpio_free(dev, apb->spi_en_gpio); /* disable the clock */ @@ -251,7 +251,8 @@ void apb_ctrl_poweroff(struct device *dev) } static ssize_t state_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) + struct device_attribute *attr, + const char *buf, size_t count) { struct platform_device *pdev = to_platform_device(dev); struct arche_apb_ctrl_drvdata *apb = platform_get_drvdata(pdev); @@ -297,7 +298,7 @@ static ssize_t state_store(struct device *dev, } static ssize_t state_show(struct device *dev, - struct device_attribute *attr, char *buf) + struct device_attribute *attr, char *buf) { struct arche_apb_ctrl_drvdata *apb = dev_get_drvdata(dev); @@ -319,7 +320,7 @@ static ssize_t state_show(struct device *dev, static DEVICE_ATTR_RW(state); static int apb_ctrl_get_devtree_data(struct platform_device *pdev, - struct arche_apb_ctrl_drvdata *apb) + struct arche_apb_ctrl_drvdata *apb) { struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; @@ -331,10 +332,10 @@ static int apb_ctrl_get_devtree_data(struct platform_device *pdev, return apb->resetn_gpio; } ret = devm_gpio_request_one(dev, apb->resetn_gpio, - GPIOF_OUT_INIT_LOW, "apb-reset"); + GPIOF_OUT_INIT_LOW, "apb-reset"); if (ret) { dev_err(dev, "Failed requesting reset gpio %d\n", - apb->resetn_gpio); + apb->resetn_gpio); return ret; } @@ -344,10 +345,10 @@ static int apb_ctrl_get_devtree_data(struct platform_device *pdev, return apb->boot_ret_gpio; } ret = devm_gpio_request_one(dev, apb->boot_ret_gpio, - GPIOF_OUT_INIT_LOW, "boot retention"); + GPIOF_OUT_INIT_LOW, "boot retention"); if (ret) { dev_err(dev, "Failed requesting bootret gpio %d\n", - apb->boot_ret_gpio); + apb->boot_ret_gpio); return ret; } @@ -358,10 +359,10 @@ static int apb_ctrl_get_devtree_data(struct platform_device *pdev, return apb->pwroff_gpio; } ret = devm_gpio_request_one(dev, apb->pwroff_gpio, - GPIOF_IN, "pwroff_n"); + GPIOF_IN, "pwroff_n"); if (ret) { dev_err(dev, "Failed requesting pwroff_n gpio %d\n", - apb->pwroff_gpio); + apb->pwroff_gpio); return ret; } @@ -371,10 +372,10 @@ static int apb_ctrl_get_devtree_data(struct platform_device *pdev, dev_warn(dev, "failed to get clock en gpio\n"); } else if (gpio_is_valid(apb->clk_en_gpio)) { ret = devm_gpio_request_one(dev, apb->clk_en_gpio, - GPIOF_OUT_INIT_LOW, "apb_clk_en"); + GPIOF_OUT_INIT_LOW, "apb_clk_en"); if (ret) { dev_warn(dev, "Failed requesting APB clock en gpio %d\n", - apb->clk_en_gpio); + apb->clk_en_gpio); return ret; } } @@ -407,7 +408,7 @@ static int apb_ctrl_get_devtree_data(struct platform_device *pdev, apb->spi_en_gpio = of_get_named_gpio(np, "spi-en-gpio", 0); if (apb->spi_en_gpio >= 0) { if (of_property_read_bool(pdev->dev.of_node, - "spi-en-active-high")) + "spi-en-active-high")) apb->spi_en_polarity_high = true; } |