From add40d6df6babc43e587e9c8c6a2c1320bc78c98 Mon Sep 17 00:00:00 2001 From: Christophe RICARD Date: Tue, 23 Feb 2016 22:25:51 +0100 Subject: [PATCH] tpm/st33zp24/spi: Change xxx_request_resources header Simplify st33zp24_spi_acpi_request_resources, st33zp24_spi_of_request_resources and st33zp24_spi_request_resources to have the same prototype and using spi_get_drvdata. Signed-off-by: Christophe Ricard Reviewed-by: Jarkko Sakkinen Signed-off-by: Jarkko Sakkinen --- drivers/char/tpm/st33zp24/spi.c | 31 +++++++++++++++++-------------- 1 file changed, 17 insertions(+), 14 deletions(-) diff --git a/drivers/char/tpm/st33zp24/spi.c b/drivers/char/tpm/st33zp24/spi.c index 173db725b535..6be51ac0c1f1 100644 --- a/drivers/char/tpm/st33zp24/spi.c +++ b/drivers/char/tpm/st33zp24/spi.c @@ -229,9 +229,9 @@ static const struct st33zp24_phy_ops spi_phy_ops = { .recv = st33zp24_spi_recv, }; -static int st33zp24_spi_acpi_request_resources(struct st33zp24_spi_phy *phy) +static int st33zp24_spi_acpi_request_resources(struct spi_device *spi_dev) { - struct spi_device *spi_dev = phy->spi_device; + struct st33zp24_spi_phy *phy = spi_get_drvdata(spi_dev); const struct acpi_device_id *id; struct gpio_desc *gpiod_lpcpd; struct device *dev; @@ -265,23 +265,23 @@ static int st33zp24_spi_acpi_request_resources(struct st33zp24_spi_phy *phy) return 0; } -static int st33zp24_spi_of_request_resources(struct st33zp24_spi_phy *phy) +static int st33zp24_spi_of_request_resources(struct spi_device *spi_dev) { + struct st33zp24_spi_phy *phy = spi_get_drvdata(spi_dev); struct device_node *pp; - struct spi_device *dev = phy->spi_device; int gpio; int ret; - pp = dev->dev.of_node; + pp = spi_dev->dev.of_node; if (!pp) { - dev_err(&dev->dev, "No platform data\n"); + dev_err(&spi_dev->dev, "No platform data\n"); return -ENODEV; } /* Get GPIO from device tree */ gpio = of_get_named_gpio(pp, "lpcpd-gpios", 0); if (gpio < 0) { - dev_err(&dev->dev, + dev_err(&spi_dev->dev, "Failed to retrieve lpcpd-gpios from dts.\n"); phy->io_lpcpd = -1; /* @@ -292,10 +292,10 @@ static int st33zp24_spi_of_request_resources(struct st33zp24_spi_phy *phy) return 0; } /* GPIO request and configuration */ - ret = devm_gpio_request_one(&dev->dev, gpio, + ret = devm_gpio_request_one(&spi_dev->dev, gpio, GPIOF_OUT_INIT_HIGH, "TPM IO LPCPD"); if (ret) { - dev_err(&dev->dev, "Failed to request lpcpd pin\n"); + dev_err(&spi_dev->dev, "Failed to request lpcpd pin\n"); return -ENODEV; } phy->io_lpcpd = gpio; @@ -303,9 +303,9 @@ static int st33zp24_spi_of_request_resources(struct st33zp24_spi_phy *phy) return 0; } -static int st33zp24_spi_request_resources(struct spi_device *dev, - struct st33zp24_spi_phy *phy) +static int st33zp24_spi_request_resources(struct spi_device *dev) { + struct st33zp24_spi_phy *phy = spi_get_drvdata(dev); struct st33zp24_platform_data *pdata; int ret; @@ -357,17 +357,20 @@ static int st33zp24_spi_probe(struct spi_device *dev) return -ENOMEM; phy->spi_device = dev; + + spi_set_drvdata(dev, phy); + pdata = dev->dev.platform_data; if (!pdata && dev->dev.of_node) { - ret = st33zp24_spi_of_request_resources(phy); + ret = st33zp24_spi_of_request_resources(dev); if (ret) return ret; } else if (pdata) { - ret = st33zp24_spi_request_resources(dev, phy); + ret = st33zp24_spi_request_resources(dev); if (ret) return ret; } else if (ACPI_HANDLE(&dev->dev)) { - ret = st33zp24_spi_acpi_request_resources(phy); + ret = st33zp24_spi_acpi_request_resources(dev); if (ret) return ret; }