mmc: renesas_sdhi: improve registering irqs

The probe() function is convoluted enough, so merge sanity checks for
number of irqs into one place. Also, change the error code for 'no irq'
because ENXIO will not print a warning from the driver core.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20250331064400.16677-2-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c
index 8c83e203c516705654018829a359fa728ce5bec1..4642fdb8bf65fdcbfb049deb0b1c294d7d8781bc 100644 (file)
--- a/drivers/mmc/host/renesas_sdhi_core.c
+++ b/drivers/mmc/host/renesas_sdhi_core.c
@@ -1240,15 +1240,10 @@ int renesas_sdhi_probe(struct platform_device *pdev,
 
        sd_ctrl_write32_as_16_and_16(host, CTL_IRQ_MASK, host->sdcard_irq_mask_all);
 
-       num_irqs = platform_irq_count(pdev);
-       if (num_irqs < 0) {
-               ret = num_irqs;
-               goto edisclk;
-       }
-
        /* There must be at least one IRQ source */
-       if (!num_irqs) {
-               ret = -ENXIO;
+       num_irqs = platform_irq_count(pdev);
+       if (num_irqs <= 0) {
+               ret = num_irqs ?: -ENOENT;
                goto edisclk;
        }