From: Ricky Wu <ricky_wu@xxxxxxxxxxx> commit 551b6729578a8981c46af964c10bf7d5d9ddca83 upstream. this power saving action in rtsx_pci_init_ocp() cause INTEL-NUC6 platform missing card reader Signed-off-by: Ricky Wu <ricky_wu@xxxxxxxxxxx> Link: https://lore.kernel.org/r/20200824030006.30033-1-ricky_wu@xxxxxxxxxxx Cc: Chris Clayton <chris2553@xxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/misc/cardreader/rtsx_pcr.c | 4 ---- 1 file changed, 4 deletions(-) --- a/drivers/misc/cardreader/rtsx_pcr.c +++ b/drivers/misc/cardreader/rtsx_pcr.c @@ -1172,10 +1172,6 @@ void rtsx_pci_init_ocp(struct rtsx_pcr * rtsx_pci_write_register(pcr, REG_OCPGLITCH, SD_OCP_GLITCH_MASK, pcr->hw_param.ocp_glitch); rtsx_pci_enable_ocp(pcr); - } else { - /* OC power down */ - rtsx_pci_write_register(pcr, FPDCTL, OC_POWER_DOWN, - OC_POWER_DOWN); } } }
