summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorDmitry Torokhov <dmitry.torokhov@gmail.com>2022-09-06 13:49:20 -0700
committerPaolo Abeni <pabeni@redhat.com>2022-09-15 11:43:51 +0200
commitdb49ca38579d44db7c246c5b74824b6406319b40 (patch)
treed896d87339221a94925369e31dcad2e0bf86b46d
parentc9ae520ac3faf2f272b5705b085b3778c7997ec8 (diff)
net: davicom: dm9000: switch to using gpiod API
This patch switches the driver away from legacy gpio/of_gpio API to gpiod API, and removes use of of_get_named_gpio_flags() which I want to make private to gpiolib. Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20220906204922.3789922-1-dmitry.torokhov@gmail.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
-rw-r--r--drivers/net/ethernet/davicom/dm9000.c26
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c
index 77229e53b04e..c85a6ebd79fc 100644
--- a/drivers/net/ethernet/davicom/dm9000.c
+++ b/drivers/net/ethernet/davicom/dm9000.c
@@ -28,8 +28,7 @@
#include <linux/irq.h>
#include <linux/slab.h>
#include <linux/regulator/consumer.h>
-#include <linux/gpio.h>
-#include <linux/of_gpio.h>
+#include <linux/gpio/consumer.h>
#include <asm/delay.h>
#include <asm/irq.h>
@@ -1421,8 +1420,7 @@ dm9000_probe(struct platform_device *pdev)
int iosize;
int i;
u32 id_val;
- int reset_gpios;
- enum of_gpio_flags flags;
+ struct gpio_desc *reset_gpio;
struct regulator *power;
bool inv_mac_addr = false;
u8 addr[ETH_ALEN];
@@ -1442,20 +1440,24 @@ dm9000_probe(struct platform_device *pdev)
dev_dbg(dev, "regulator enabled\n");
}
- reset_gpios = of_get_named_gpio_flags(dev->of_node, "reset-gpios", 0,
- &flags);
- if (gpio_is_valid(reset_gpios)) {
- ret = devm_gpio_request_one(dev, reset_gpios, flags,
- "dm9000_reset");
+ reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
+ ret = PTR_ERR_OR_ZERO(reset_gpio);
+ if (ret) {
+ dev_err(dev, "failed to request reset gpio: %d\n", ret);
+ goto out_regulator_disable;
+ }
+
+ if (reset_gpio) {
+ ret = gpiod_set_consumer_name(reset_gpio, "dm9000_reset");
if (ret) {
- dev_err(dev, "failed to request reset gpio %d: %d\n",
- reset_gpios, ret);
+ dev_err(dev, "failed to set reset gpio name: %d\n",
+ ret);
goto out_regulator_disable;
}
/* According to manual PWRST# Low Period Min 1ms */
msleep(2);
- gpio_set_value(reset_gpios, 1);
+ gpiod_set_value_cansleep(reset_gpio, 0);
/* Needs 3ms to read eeprom when PWRST is deasserted */
msleep(4);
}