| Message ID | 1606404819-30647-2-git-send-email-bongsu.jeon@samsung.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [net-next,1/3] nfc: s3fwrn5: use signed integer for parsing GPIO numbers | expand |
On Fri, Nov 27, 2020 at 12:33:38AM +0900, bongsu.jeon2@gmail.com wrote: > From: Bongsu Jeon <bongsu.jeon@samsung.com> > > The delay of 20ms is enough to enable and > wake up the Samsung's nfc chip. > > Signed-off-by: Bongsu Jeon <bongsu.jeon@samsung.com> > --- > drivers/nfc/s3fwrn5/i2c.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/drivers/nfc/s3fwrn5/i2c.c b/drivers/nfc/s3fwrn5/i2c.c > index ae26594..9a64eea 100644 > --- a/drivers/nfc/s3fwrn5/i2c.c > +++ b/drivers/nfc/s3fwrn5/i2c.c > @@ -19,7 +19,7 @@ > Acked-by: Krzysztof Kozlowski <krzk@kernel.org> Best regards, Krzysztof
diff --git a/drivers/nfc/s3fwrn5/i2c.c b/drivers/nfc/s3fwrn5/i2c.c index ae26594..9a64eea 100644 --- a/drivers/nfc/s3fwrn5/i2c.c +++ b/drivers/nfc/s3fwrn5/i2c.c @@ -19,7 +19,7 @@ #define S3FWRN5_I2C_DRIVER_NAME "s3fwrn5_i2c" -#define S3FWRN5_EN_WAIT_TIME 150 +#define S3FWRN5_EN_WAIT_TIME 20 struct s3fwrn5_i2c_phy { struct i2c_client *i2c_dev; @@ -40,7 +40,7 @@ static void s3fwrn5_i2c_set_wake(void *phy_id, bool wake) mutex_lock(&phy->mutex); gpio_set_value(phy->gpio_fw_wake, wake); - msleep(S3FWRN5_EN_WAIT_TIME/2); + msleep(S3FWRN5_EN_WAIT_TIME); mutex_unlock(&phy->mutex); } @@ -63,7 +63,7 @@ static void s3fwrn5_i2c_set_mode(void *phy_id, enum s3fwrn5_mode mode) if (mode != S3FWRN5_MODE_COLD) { msleep(S3FWRN5_EN_WAIT_TIME); gpio_set_value(phy->gpio_en, 0); - msleep(S3FWRN5_EN_WAIT_TIME/2); + msleep(S3FWRN5_EN_WAIT_TIME); } phy->irq_skip = true;