mmc: mmc_spi: Use already parsed IRQ

SPI core already parses and maps IRQ for us if provided.
Use it instead of double parsing in mmc_spi_get_pdata().

Due to above, change condition, since SPI core can hold
an error pointer as invalid IRQ.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210419112459.25241-5-andriy.shevchenko@linux.intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/of_mmc_spi.c b/drivers/mmc/host/of_mmc_spi.c
index 0b038f5..009c388 100644 (file)
--- a/drivers/mmc/host/of_mmc_spi.c
+++ b/drivers/mmc/host/of_mmc_spi.c
@@ -64,8 +64,8 @@ struct mmc_spi_platform_data *mmc_spi_get_pdata(struct spi_device *spi)
        if (mmc_of_parse_voltage(mmc, &oms->pdata.ocr_mask) < 0)
                goto err_ocr;
 
-       oms->detect_irq = irq_of_parse_and_map(np, 0);
-       if (oms->detect_irq != 0) {
+       oms->detect_irq = spi->irq;
+       if (oms->detect_irq > 0) {
                oms->pdata.init = of_mmc_spi_init;
                oms->pdata.exit = of_mmc_spi_exit;
        } else {