A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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nfc: s3fwrn5: use signed integer for parsing GPIO numbers

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[ Upstream commit d8f0a86795c69f5b697f7d9e5274c124da93c92d ]

GPIOs - as returned by of_get_named_gpio() and used by the gpiolib - are
signed integers, where negative number indicates error.  The return
value of of_get_named_gpio() should not be assigned to an unsigned int
because in case of !CONFIG_GPIOLIB such number would be a valid GPIO.

Fixes: c04c674fad ("nfc: s3fwrn5: Add driver for Samsung S3FWRN5 NFC Chip")
Signed-off-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Krzysztof Kozlowski 2020-11-23 17:23:51 +01:00 • committed by Greg Kroah-Hartman
commit 7869696d6c
1 changed files with 2 additions and 2 deletions
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4
drivers/nfc/s3fwrn5/i2c.c
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@ -26,8 +26,8 @@ struct s3fwrn5_i2c_phy {
struct i2c_client *i2c_dev;
struct nci_dev *ndev;
unsigned int gpio_en;
unsigned int gpio_fw_wake;
int gpio_en;
int gpio_fw_wake;
struct mutex mutex;