diff options
| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2023-01-31 21:34:47 -0800 |
|---|---|---|
| committer | Stefan Schmidt <stefan@datenfreihafen.org> | 2023-02-01 21:30:09 +0100 |
| commit | 6130543654e0e5a79485ed8538c0bf2259fe7431 (patch) | |
| tree | ca9e45d56a72dce32db6f12a058a6281f133c0ed | |
| parent | 9b26ed18545056794bf9d3f3defd9e09719ff4f5 (diff) | |
| download | wpan-next-6130543654e0e5a79485ed8538c0bf2259fe7431.tar.gz | |
ieee802154: at86rf230: switch to using gpiod APIieee802154-for-net-next-2023-02-02
Switch the driver from legacy gpio API that is deprecated to the newer
gpiod API that respects line polarities described in ACPI/DT.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://lore.kernel.org/r/20230201053447.4098486-2-dmitry.torokhov@gmail.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
| -rw-r--r-- | drivers/net/ieee802154/at86rf230.c | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c index d6b6b355348b73..62b984f84d9f94 100644 --- a/drivers/net/ieee802154/at86rf230.c +++ b/drivers/net/ieee802154/at86rf230.c @@ -82,7 +82,7 @@ struct at86rf230_local { struct ieee802154_hw *hw; struct at86rf2xx_chip_data *data; struct regmap *regmap; - int slp_tr; + struct gpio_desc *slp_tr; bool sleep; struct completion state_complete; @@ -107,8 +107,8 @@ at86rf230_async_state_change(struct at86rf230_local *lp, static inline void at86rf230_sleep(struct at86rf230_local *lp) { - if (gpio_is_valid(lp->slp_tr)) { - gpio_set_value(lp->slp_tr, 1); + if (lp->slp_tr) { + gpiod_set_value(lp->slp_tr, 1); usleep_range(lp->data->t_off_to_sleep, lp->data->t_off_to_sleep + 10); lp->sleep = true; @@ -118,8 +118,8 @@ at86rf230_sleep(struct at86rf230_local *lp) static inline void at86rf230_awake(struct at86rf230_local *lp) { - if (gpio_is_valid(lp->slp_tr)) { - gpio_set_value(lp->slp_tr, 0); + if (lp->slp_tr) { + gpiod_set_value(lp->slp_tr, 0); usleep_range(lp->data->t_sleep_to_off, lp->data->t_sleep_to_off + 100); lp->sleep = false; @@ -204,9 +204,9 @@ at86rf230_write_subreg(struct at86rf230_local *lp, static inline void at86rf230_slp_tr_rising_edge(struct at86rf230_local *lp) { - gpio_set_value(lp->slp_tr, 1); + gpiod_set_value(lp->slp_tr, 1); udelay(1); - gpio_set_value(lp->slp_tr, 0); + gpiod_set_value(lp->slp_tr, 0); } static bool @@ -819,7 +819,7 @@ at86rf230_write_frame_complete(void *context) ctx->trx.len = 2; - if (gpio_is_valid(lp->slp_tr)) + if (lp->slp_tr) at86rf230_slp_tr_rising_edge(lp); else at86rf230_async_write_reg(lp, RG_TRX_STATE, STATE_BUSY_TX, ctx, @@ -1520,8 +1520,10 @@ static int at86rf230_probe(struct spi_device *spi) { struct ieee802154_hw *hw; struct at86rf230_local *lp; + struct gpio_desc *slp_tr; + struct gpio_desc *rstn; unsigned int status; - int rc, irq_type, rstn, slp_tr; + int rc, irq_type; u8 xtal_trim; if (!spi->irq) { @@ -1539,28 +1541,26 @@ static int at86rf230_probe(struct spi_device *spi) xtal_trim = 0; } - rstn = of_get_named_gpio(spi->dev.of_node, "reset-gpio", 0); - if (gpio_is_valid(rstn)) { - rc = devm_gpio_request_one(&spi->dev, rstn, - GPIOF_OUT_INIT_HIGH, "rstn"); - if (rc) - return rc; - } + rstn = devm_gpiod_get_optional(&spi->dev, "reset", GPIOD_OUT_LOW); + rc = PTR_ERR_OR_ZERO(rstn); + if (rc) + return rc; - slp_tr = of_get_named_gpio(spi->dev.of_node, "sleep-gpio", 0); - if (gpio_is_valid(slp_tr)) { - rc = devm_gpio_request_one(&spi->dev, slp_tr, - GPIOF_OUT_INIT_LOW, "slp_tr"); - if (rc) - return rc; - } + gpiod_set_consumer_name(rstn, "rstn"); + + slp_tr = devm_gpiod_get_optional(&spi->dev, "sleep", GPIOD_OUT_LOW); + rc = PTR_ERR_OR_ZERO(slp_tr); + if (rc) + return rc; + + gpiod_set_consumer_name(slp_tr, "slp_tr"); /* Reset */ - if (gpio_is_valid(rstn)) { + if (rstn) { udelay(1); - gpio_set_value_cansleep(rstn, 0); + gpiod_set_value_cansleep(rstn, 1); udelay(1); - gpio_set_value_cansleep(rstn, 1); + gpiod_set_value_cansleep(rstn, 0); usleep_range(120, 240); } |