spi: bcm2835: remove use of uninitialized gpio flags variable
authorMartin Hundebøll <martin@geanix.com>
Thu, 5 Nov 2020 09:06:15 +0000 (10:06 +0100)
committerMark Brown <broonie@kernel.org>
Fri, 6 Nov 2020 11:23:26 +0000 (11:23 +0000)
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>
drivers/spi/spi-bcm2835.c

index 9b6ba94fe878ae4575cedf5de42c6d4893761530..7104cf17b8484edee5b689836e8a465ddd4bc764 100644 (file)
@@ -1193,7 +1193,6 @@ static int bcm2835_spi_setup(struct spi_device *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;
 
        /*
@@ -1261,7 +1260,7 @@ static int bcm2835_spi_setup(struct spi_device *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);