summaryrefslogtreecommitdiffstats
path: root/drivers/char/tpm/st33zp24
diff options
context:
space:
mode:
authorChristophe RICARD <christophe.ricard@gmail.com>2016-02-23 22:25:51 +0100
committerJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>2016-06-25 17:26:35 +0300
commit4d8007ee2626066dbfd3917e813f7c2e47f96392 (patch)
treeeee34df331b686e2a1060ac145aee185a8c94193 /drivers/char/tpm/st33zp24
parent740ec346f32b3459ecf8ae27df76cfa60e94ead0 (diff)
downloadblackbird-op-linux-4d8007ee2626066dbfd3917e813f7c2e47f96392.tar.gz
blackbird-op-linux-4d8007ee2626066dbfd3917e813f7c2e47f96392.zip
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 <christophe-h.ricard@st.com> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Diffstat (limited to 'drivers/char/tpm/st33zp24')
-rw-r--r--drivers/char/tpm/st33zp24/spi.c31
1 files 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;
}
OpenPOWER on IntegriCloud