diff --git a/[refs] b/[refs] index d3b16d3e572b..b218ef122c2c 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 3343b7a6d2cd0a980d0c4a0ce02ef48b6bfcc12a +refs/heads/master: 0202a32d5f4a129ced47db76001f958cd33adeb7 diff --git a/trunk/drivers/spi/spi-gpio.c b/trunk/drivers/spi/spi-gpio.c index c7cf0b7a069b..9ddef55a7165 100644 --- a/trunk/drivers/spi/spi-gpio.c +++ b/trunk/drivers/spi/spi-gpio.c @@ -365,9 +365,26 @@ static int spi_gpio_probe_dt(struct platform_device *pdev) if (!pdata) return -ENOMEM; - pdata->sck = of_get_named_gpio(np, "gpio-sck", 0); - pdata->miso = of_get_named_gpio(np, "gpio-miso", 0); - pdata->mosi = of_get_named_gpio(np, "gpio-mosi", 0); + ret = of_get_named_gpio(np, "gpio-sck", 0); + if (ret < 0) { + dev_err(&pdev->dev, "gpio-sck property not found\n"); + goto error_free; + } + pdata->sck = ret; + + ret = of_get_named_gpio(np, "gpio-miso", 0); + if (ret < 0) { + dev_info(&pdev->dev, "gpio-miso property not found, switching to no-rx mode\n"); + pdata->miso = SPI_GPIO_NO_MISO; + } else + pdata->miso = ret; + + ret = of_get_named_gpio(np, "gpio-mosi", 0); + if (ret < 0) { + dev_info(&pdev->dev, "gpio-mosi property not found, switching to no-tx mode\n"); + pdata->mosi = SPI_GPIO_NO_MOSI; + } else + pdata->mosi = ret; ret = of_property_read_u32(np, "num-chipselects", &tmp); if (ret < 0) {