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path: root/drivers/phy/phy-tusb1210.c
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Diffstat (limited to 'drivers/phy/phy-tusb1210.c')
-rw-r--r--drivers/phy/phy-tusb1210.c32
1 files changed, 13 insertions, 19 deletions
diff --git a/drivers/phy/phy-tusb1210.c b/drivers/phy/phy-tusb1210.c
index 07efdd318bdc..4f6d5e71507d 100644
--- a/drivers/phy/phy-tusb1210.c
+++ b/drivers/phy/phy-tusb1210.c
@@ -53,7 +53,7 @@ static int tusb1210_power_off(struct phy *phy)
return 0;
}
-static struct phy_ops phy_ops = {
+static const struct phy_ops phy_ops = {
.power_on = tusb1210_power_on,
.power_off = tusb1210_power_off,
.owner = THIS_MODULE,
@@ -61,32 +61,26 @@ static struct phy_ops phy_ops = {
static int tusb1210_probe(struct ulpi *ulpi)
{
- struct gpio_desc *gpio;
struct tusb1210 *tusb;
u8 val, reg;
- int ret;
tusb = devm_kzalloc(&ulpi->dev, sizeof(*tusb), GFP_KERNEL);
if (!tusb)
return -ENOMEM;
- gpio = devm_gpiod_get(&ulpi->dev, "reset");
- if (!IS_ERR(gpio)) {
- ret = gpiod_direction_output(gpio, 0);
- if (ret)
- return ret;
- gpiod_set_value_cansleep(gpio, 1);
- tusb->gpio_reset = gpio;
- }
+ tusb->gpio_reset = devm_gpiod_get_optional(&ulpi->dev, "reset",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(tusb->gpio_reset))
+ return PTR_ERR(tusb->gpio_reset);
- gpio = devm_gpiod_get(&ulpi->dev, "cs");
- if (!IS_ERR(gpio)) {
- ret = gpiod_direction_output(gpio, 0);
- if (ret)
- return ret;
- gpiod_set_value_cansleep(gpio, 1);
- tusb->gpio_cs = gpio;
- }
+ gpiod_set_value_cansleep(tusb->gpio_reset, 1);
+
+ tusb->gpio_cs = devm_gpiod_get_optional(&ulpi->dev, "cs",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(tusb->gpio_cs))
+ return PTR_ERR(tusb->gpio_cs);
+
+ gpiod_set_value_cansleep(tusb->gpio_cs, 1);
/*
* VENDOR_SPECIFIC2 register in TUSB1210 can be used for configuring eye