struct spi_bitbang bitbang;
struct spi_gpio_platform_data pdata;
struct platform_device *pdev;
- int cs_gpios[0];
+ unsigned long cs_gpios[0];
};
/*----------------------------------------------------------------------*/
static void spi_gpio_chipselect(struct spi_device *spi, int is_active)
{
struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);
- unsigned int cs = spi_gpio->cs_gpios[spi->chip_select];
+ unsigned long cs = spi_gpio->cs_gpios[spi->chip_select];
/* set initial clock polarity */
if (is_active)
static int spi_gpio_setup(struct spi_device *spi)
{
- unsigned int cs;
+ unsigned long cs;
int status = 0;
struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);
struct device_node *np = spi->master->dev.of_node;
/*
* ... otherwise, take it from spi->controller_data
*/
- cs = (unsigned int)(uintptr_t) spi->controller_data;
+ cs = (uintptr_t) spi->controller_data;
}
if (!spi->controller_state) {
static void spi_gpio_cleanup(struct spi_device *spi)
{
struct spi_gpio *spi_gpio = spi_to_spi_gpio(spi);
- unsigned int cs = spi_gpio->cs_gpios[spi->chip_select];
+ unsigned long cs = spi_gpio->cs_gpios[spi->chip_select];
if (cs != SPI_GPIO_NO_CHIPSELECT)
gpio_free(cs);
return status;
master = spi_alloc_master(&pdev->dev, sizeof(*spi_gpio) +
- (sizeof(int) * num_devices));
+ (sizeof(unsigned long) * num_devices));
if (!master) {
status = -ENOMEM;
goto gpio_free;
if (!SPI_N_CHIPSEL)
spi_gpio->cs_gpios[0] = SPI_GPIO_NO_CHIPSELECT;
else
- for (i = 0; i < SPI_N_CHIPSEL; i++)
- spi_gpio->cs_gpios[i] =
- of_get_named_gpio(np, "cs-gpios", i);
+ for (i = 0; i < SPI_N_CHIPSEL; i++) {
+ status = of_get_named_gpio(np, "cs-gpios", i);
+ if (status < 0) {
+ dev_err(&pdev->dev,
+ "invalid cs-gpios property\n");
+ goto gpio_free;
+ }
+ spi_gpio->cs_gpios[i] = status;
+ }
}
#endif