diff options
Diffstat (limited to 'drivers/spi/spi-pic32.c')
| -rw-r--r-- | drivers/spi/spi-pic32.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/spi/spi-pic32.c b/drivers/spi/spi-pic32.c index f86433b29260..7e5c09a7d489 100644 --- a/drivers/spi/spi-pic32.c +++ b/drivers/spi/spi-pic32.c @@ -591,18 +591,16 @@ static int pic32_spi_setup(struct spi_device *spi) * unreliable/erroneous SPI transactions. * To avoid that we will always handle /CS by toggling GPIO. */ - if (!gpio_is_valid(spi->cs_gpio)) + if (!spi->cs_gpiod) return -EINVAL; - gpio_direction_output(spi->cs_gpio, !(spi->mode & SPI_CS_HIGH)); - return 0; } static void pic32_spi_cleanup(struct spi_device *spi) { - /* de-activate cs-gpio */ - gpio_direction_output(spi->cs_gpio, !(spi->mode & SPI_CS_HIGH)); + /* de-activate cs-gpio, gpiolib will handle inversion */ + gpiod_direction_output(spi->cs_gpiod, 0); } static int pic32_spi_dma_prep(struct pic32_spi *pic32s, struct device *dev) @@ -784,6 +782,7 @@ static int pic32_spi_probe(struct platform_device *pdev) master->unprepare_message = pic32_spi_unprepare_message; master->prepare_transfer_hardware = pic32_spi_prepare_hardware; master->unprepare_transfer_hardware = pic32_spi_unprepare_hardware; + master->use_gpio_descriptors = true; /* optional DMA support */ ret = pic32_spi_dma_prep(pic32s, &pdev->dev); |