diff mbox series

[5.4,084/151] spi: bcm2835: remove use of uninitialized gpio flags variable

Message ID 20201117122125.498570896@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH Nov. 17, 2020, 1:05 p.m. UTC 
From: Martin Hundebøll <martin@geanix.com>

commit bc7f2cd7559c5595dc38b909ae9a8d43e0215994 upstream.

Removing the duplicate gpio chip select level handling in
bcm2835_spi_setup() left the lflags variable uninitialized. Avoid trhe
use of such variable by passing default flags to
gpiochip_request_own_desc().

Fixes: 5e31ba0c0543 ("spi: bcm2835: fix gpio cs level inversion")
Signed-off-by: Martin Hundebøll <martin@geanix.com>
Link: https://lore.kernel.org/r/20201105090615.620315-1-martin@geanix.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/spi/spi-bcm2835.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
diff mbox series

Patch

--- a/drivers/spi/spi-bcm2835.c
+++ b/drivers/spi/spi-bcm2835.c
@@ -1179,7 +1179,6 @@  static int bcm2835_spi_setup(struct spi_
 	struct spi_controller *ctlr = spi->controller;
 	struct bcm2835_spi *bs = spi_controller_get_devdata(ctlr);
 	struct gpio_chip *chip;
-	enum gpio_lookup_flags lflags;
 	u32 cs;
 
 	/*
@@ -1247,7 +1246,7 @@  static int bcm2835_spi_setup(struct spi_
 
 	spi->cs_gpiod = gpiochip_request_own_desc(chip, 8 - spi->chip_select,
 						  DRV_NAME,
-						  lflags,
+						  GPIO_LOOKUP_FLAGS_DEFAULT,
 						  GPIOD_OUT_LOW);
 	if (IS_ERR(spi->cs_gpiod))
 		return PTR_ERR(spi->cs_gpiod);