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-rw-r--r--drivers/mmc/host/mmci.c39
1 files changed, 29 insertions, 10 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index a7b3af9e9a2a..c85b0d8ee727 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -1674,16 +1674,35 @@ static int mmci_probe(struct amba_device *dev,
writel(0, host->base + MMCIMASK1);
writel(0xfff, host->base + MMCICLEAR);
- /* If DT, cd/wp gpios must be supplied through it. */
- if (!np && gpio_is_valid(plat->gpio_cd)) {
- ret = mmc_gpio_request_cd(mmc, plat->gpio_cd, 0);
- if (ret)
- goto clk_disable;
- }
- if (!np && gpio_is_valid(plat->gpio_wp)) {
- ret = mmc_gpio_request_ro(mmc, plat->gpio_wp);
- if (ret)
- goto clk_disable;
+ /*
+ * If:
+ * - not using DT but using a descriptor table, or
+ * - using a table of descriptors ALONGSIDE DT, or
+ * look up these descriptors named "cd" and "wp" right here, fail
+ * silently of these do not exist and proceed to try platform data
+ */
+ if (!np) {
+ ret = mmc_gpiod_request_cd(mmc, "cd", 0, false, 0);
+ if (ret < 0) {
+ if (ret == -EPROBE_DEFER)
+ goto clk_disable;
+ else if (gpio_is_valid(plat->gpio_cd)) {
+ ret = mmc_gpio_request_cd(mmc, plat->gpio_cd, 0);
+ if (ret)
+ goto clk_disable;
+ }
+ }
+
+ ret = mmc_gpiod_request_ro(mmc, "wp", 0, false, 0);
+ if (ret < 0) {
+ if (ret == -EPROBE_DEFER)
+ goto clk_disable;
+ else if (gpio_is_valid(plat->gpio_wp)) {
+ ret = mmc_gpio_request_ro(mmc, plat->gpio_wp);
+ if (ret)
+ goto clk_disable;
+ }
+ }
}
ret = devm_request_irq(&dev->dev, dev->irq[0], mmci_irq, IRQF_SHARED,