Dear Uffe, I built and tried the attached patch, however the problems with the sdcards remain even if I remove MMC_CAP_AGGRESSIVE_PM; All the best, - Thomas
diff '--color=auto' -urN a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c --- a/drivers/mmc/host/rtsx_pci_sdmmc.c 2025-02-21 14:01:47.000000000 +0100 +++ b/drivers/mmc/host/rtsx_pci_sdmmc.c 2025-03-13 11:50:30.427016383 +0100 @@ -1459,7 +1459,7 @@ MMC_CAP_MMC_HIGHSPEED | MMC_CAP_BUS_WIDTH_TEST | MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25; if (pcr->rtd3_en) - mmc->caps = mmc->caps | MMC_CAP_AGGRESSIVE_PM; + mmc->caps = mmc->caps; mmc->caps2 = MMC_CAP2_NO_PRESCAN_POWERUP | MMC_CAP2_FULL_PWR_CYCLE | MMC_CAP2_NO_SDIO; mmc->max_current_330 = 400;