From 43201767b44cbd873c60dbd2acd370147588cb18 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Mon, 29 Jul 2019 16:35:04 +0300 Subject: [PATCH] NFC: nxp-nci: Convert to use GPIO descriptor Since we got rid of platform data, the driver may use GPIO descriptor directly. Signed-off-by: Andy Shevchenko Tested-by: Sedat Dilek Signed-off-by: David S. Miller --- drivers/nfc/nxp-nci/core.c | 1 - drivers/nfc/nxp-nci/i2c.c | 60 ++++++++++---------------------------- 2 files changed, 15 insertions(+), 46 deletions(-) diff --git a/drivers/nfc/nxp-nci/core.c b/drivers/nfc/nxp-nci/core.c index aed18ca60170..a0ce95a287c5 100644 --- a/drivers/nfc/nxp-nci/core.c +++ b/drivers/nfc/nxp-nci/core.c @@ -11,7 +11,6 @@ */ #include -#include #include #include diff --git a/drivers/nfc/nxp-nci/i2c.c b/drivers/nfc/nxp-nci/i2c.c index 47b3b7e612e6..713c267acf88 100644 --- a/drivers/nfc/nxp-nci/i2c.c +++ b/drivers/nfc/nxp-nci/i2c.c @@ -21,8 +21,6 @@ #include #include #include -#include -#include #include #include @@ -37,8 +35,8 @@ struct nxp_nci_i2c_phy { struct i2c_client *i2c_dev; struct nci_dev *ndev; - unsigned int gpio_en; - unsigned int gpio_fw; + struct gpio_desc *gpiod_en; + struct gpio_desc *gpiod_fw; int hard_fault; /* * < 0 if hardware error occurred (e.g. i2c err) @@ -51,8 +49,8 @@ static int nxp_nci_i2c_set_mode(void *phy_id, { struct nxp_nci_i2c_phy *phy = (struct nxp_nci_i2c_phy *) phy_id; - gpio_set_value(phy->gpio_fw, (mode == NXP_NCI_MODE_FW) ? 1 : 0); - gpio_set_value(phy->gpio_en, (mode != NXP_NCI_MODE_COLD) ? 1 : 0); + gpiod_set_value(phy->gpiod_fw, (mode == NXP_NCI_MODE_FW) ? 1 : 0); + gpiod_set_value(phy->gpiod_en, (mode != NXP_NCI_MODE_COLD) ? 1 : 0); usleep_range(10000, 15000); if (mode == NXP_NCI_MODE_COLD) @@ -252,30 +250,18 @@ exit_irq_none: static int nxp_nci_i2c_parse_devtree(struct i2c_client *client) { struct nxp_nci_i2c_phy *phy = i2c_get_clientdata(client); - struct device_node *pp; - int r; - - pp = client->dev.of_node; - if (!pp) - return -ENODEV; - r = of_get_named_gpio(pp, "enable-gpios", 0); - if (r == -EPROBE_DEFER) - r = of_get_named_gpio(pp, "enable-gpios", 0); - if (r < 0) { - nfc_err(&client->dev, "Failed to get EN gpio, error: %d\n", r); - return r; + phy->gpiod_en = devm_gpiod_get(&client->dev, "enable", GPIOD_OUT_LOW); + if (IS_ERR(phy->gpiod_en)) { + nfc_err(&client->dev, "Failed to get EN gpio\n"); + return PTR_ERR(phy->gpiod_en); } - phy->gpio_en = r; - r = of_get_named_gpio(pp, "firmware-gpios", 0); - if (r == -EPROBE_DEFER) - r = of_get_named_gpio(pp, "firmware-gpios", 0); - if (r < 0) { - nfc_err(&client->dev, "Failed to get FW gpio, error: %d\n", r); - return r; + phy->gpiod_fw = devm_gpiod_get(&client->dev, "firmware", GPIOD_OUT_LOW); + if (IS_ERR(phy->gpiod_fw)) { + nfc_err(&client->dev, "Failed to get FW gpio\n"); + return PTR_ERR(phy->gpiod_fw); } - phy->gpio_fw = r; return 0; } @@ -283,19 +269,15 @@ static int nxp_nci_i2c_parse_devtree(struct i2c_client *client) static int nxp_nci_i2c_acpi_config(struct nxp_nci_i2c_phy *phy) { struct i2c_client *client = phy->i2c_dev; - struct gpio_desc *gpiod_en, *gpiod_fw; - gpiod_en = devm_gpiod_get_index(&client->dev, NULL, 2, GPIOD_OUT_LOW); - gpiod_fw = devm_gpiod_get_index(&client->dev, NULL, 1, GPIOD_OUT_LOW); + phy->gpiod_en = devm_gpiod_get_index(&client->dev, NULL, 2, GPIOD_OUT_LOW); + phy->gpiod_fw = devm_gpiod_get_index(&client->dev, NULL, 1, GPIOD_OUT_LOW); - if (IS_ERR(gpiod_en) || IS_ERR(gpiod_fw)) { + if (IS_ERR(phy->gpiod_en) || IS_ERR(phy->gpiod_fw)) { nfc_err(&client->dev, "No GPIOs\n"); return -EINVAL; } - phy->gpio_en = desc_to_gpio(gpiod_en); - phy->gpio_fw = desc_to_gpio(gpiod_fw); - return 0; } @@ -331,24 +313,12 @@ static int nxp_nci_i2c_probe(struct i2c_client *client, r = nxp_nci_i2c_acpi_config(phy); if (r < 0) goto probe_exit; - goto nci_probe; } else { nfc_err(&client->dev, "No platform data\n"); r = -EINVAL; goto probe_exit; } - r = devm_gpio_request_one(&phy->i2c_dev->dev, phy->gpio_en, - GPIOF_OUT_INIT_LOW, "nxp_nci_en"); - if (r < 0) - goto probe_exit; - - r = devm_gpio_request_one(&phy->i2c_dev->dev, phy->gpio_fw, - GPIOF_OUT_INIT_LOW, "nxp_nci_fw"); - if (r < 0) - goto probe_exit; - -nci_probe: r = nxp_nci_probe(phy, &client->dev, &i2c_phy_ops, NXP_NCI_I2C_MAX_PAYLOAD, &phy->ndev); if (r < 0) -- 2.30.2