diff options
| -rw-r--r-- | drivers/nfc/pn544/i2c.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/nfc/pn544/i2c.c b/drivers/nfc/pn544/i2c.c index fc02e8d6a193..d9018cda6c7f 100644 --- a/drivers/nfc/pn544/i2c.c +++ b/drivers/nfc/pn544/i2c.c @@ -195,18 +195,19 @@ static void pn544_hci_i2c_platform_init(struct pn544_i2c_phy *phy) nfc_info(&phy->i2c_dev->dev, "Detecting nfc_en polarity\n"); /* Disable fw download */ - gpio_set_value(phy->gpio_fw, 0); + gpio_set_value_cansleep(phy->gpio_fw, 0); for (polarity = 0; polarity < 2; polarity++) { phy->en_polarity = polarity; retry = 3; while (retry--) { /* power off */ - gpio_set_value(phy->gpio_en, !phy->en_polarity); + gpio_set_value_cansleep(phy->gpio_en, + !phy->en_polarity); usleep_range(10000, 15000); /* power on */ - gpio_set_value(phy->gpio_en, phy->en_polarity); + gpio_set_value_cansleep(phy->gpio_en, phy->en_polarity); usleep_range(10000, 15000); /* send reset */ @@ -225,13 +226,14 @@ static void pn544_hci_i2c_platform_init(struct pn544_i2c_phy *phy) "Could not detect nfc_en polarity, fallback to active high\n"); out: - gpio_set_value(phy->gpio_en, !phy->en_polarity); + gpio_set_value_cansleep(phy->gpio_en, !phy->en_polarity); } static void pn544_hci_i2c_enable_mode(struct pn544_i2c_phy *phy, int run_mode) { - gpio_set_value(phy->gpio_fw, run_mode == PN544_FW_MODE ? 1 : 0); - gpio_set_value(phy->gpio_en, phy->en_polarity); + gpio_set_value_cansleep(phy->gpio_fw, + run_mode == PN544_FW_MODE ? 1 : 0); + gpio_set_value_cansleep(phy->gpio_en, phy->en_polarity); usleep_range(10000, 15000); phy->run_mode = run_mode; @@ -254,14 +256,14 @@ static void pn544_hci_i2c_disable(void *phy_id) { struct pn544_i2c_phy *phy = phy_id; - gpio_set_value(phy->gpio_fw, 0); - gpio_set_value(phy->gpio_en, !phy->en_polarity); + gpio_set_value_cansleep(phy->gpio_fw, 0); + gpio_set_value_cansleep(phy->gpio_en, !phy->en_polarity); usleep_range(10000, 15000); - gpio_set_value(phy->gpio_en, phy->en_polarity); + gpio_set_value_cansleep(phy->gpio_en, phy->en_polarity); usleep_range(10000, 15000); - gpio_set_value(phy->gpio_en, !phy->en_polarity); + gpio_set_value_cansleep(phy->gpio_en, !phy->en_polarity); usleep_range(10000, 15000); phy->powered = 0; |