aboutsummaryrefslogtreecommitdiff
path: root/drivers/spi/spi-oc-tiny.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/spi/spi-oc-tiny.c')
-rw-r--r--drivers/spi/spi-oc-tiny.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/spi/spi-oc-tiny.c b/drivers/spi/spi-oc-tiny.c
index 432e66ec308..cb2e284bd81 100644
--- a/drivers/spi/spi-oc-tiny.c
+++ b/drivers/spi/spi-oc-tiny.c
@@ -54,7 +54,7 @@ struct tiny_spi {
unsigned int txc, rxc;
const u8 *txp;
u8 *rxp;
- unsigned int gpio_cs_count;
+ int gpio_cs_count;
int *gpio_cs;
};
@@ -74,7 +74,7 @@ static void tiny_spi_chipselect(struct spi_device *spi, int is_active)
{
struct tiny_spi *hw = tiny_spi_to_hw(spi);
- if (hw->gpio_cs_count) {
+ if (hw->gpio_cs_count > 0) {
gpio_set_value(hw->gpio_cs[spi->chip_select],
(spi->mode & SPI_CS_HIGH) ? is_active : !is_active);
}
@@ -254,7 +254,7 @@ static int tiny_spi_of_probe(struct platform_device *pdev)
if (!np)
return 0;
hw->gpio_cs_count = of_gpio_count(np);
- if (hw->gpio_cs_count) {
+ if (hw->gpio_cs_count > 0) {
hw->gpio_cs = devm_kzalloc(&pdev->dev,
hw->gpio_cs_count * sizeof(unsigned int),
GFP_KERNEL);
@@ -352,7 +352,7 @@ static int tiny_spi_probe(struct platform_device *pdev)
goto exit_gpio;
gpio_direction_output(hw->gpio_cs[i], 1);
}
- hw->bitbang.master->num_chipselect = max(1U, hw->gpio_cs_count);
+ hw->bitbang.master->num_chipselect = max(1, hw->gpio_cs_count);
/* register our spi controller */
err = spi_bitbang_start(&hw->bitbang);