With the default power-up delay, on small kernels, the host probes too soon, and mmc_send_io_op_cond() times out. Signed-off-by: Marc Gonzalez <marc.w.gonzalez@xxxxxxx> --- Stress-tested with 80 cold boots, checking every time mmc2: new ultra high speed SDR50 SDIO card at address 0001 IIUC, this will also slow down SD & MMC probing, but an additional 20 ms seems acceptable? --- drivers/mmc/host/meson-gx-mmc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index 6e5ea0213b477..73ecbcf588c65 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -1182,6 +1182,7 @@ static int meson_mmc_probe(struct platform_device *pdev) mmc = mmc_alloc_host(sizeof(struct meson_host), &pdev->dev); if (!mmc) return -ENOMEM; + mmc->ios.power_delay_ms = 20; host = mmc_priv(mmc); host->mmc = mmc; host->dev = &pdev->dev; -- 2.25.1
