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Commit aa3410cc authored by Ricky Wu's avatar Ricky Wu Committed by Greg Kroah-Hartman
Browse files

misc: rtsx: do not setting OC_POWER_DOWN reg in rtsx_pci_init_ocp() 



commit 551b6729578a8981c46af964c10bf7d5d9ddca83 upstream.

this power saving action in rtsx_pci_init_ocp() cause INTEL-NUC6 platform
missing card reader

Signed-off-by: default avatarRicky Wu <ricky_wu@realtek.com>
Link: https://lore.kernel.org/r/20200824030006.30033-1-ricky_wu@realtek.com


Cc: Chris Clayton <chris2553@googlemail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent a6db3aab

drivers/misc/cardreader/rtsx_pcr.c

+0 −4
Original line number Diff line number Diff line
@@ -1189,10 +1189,6 @@ void rtsx_pci_init_ocp(struct rtsx_pcr *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);

		}

	}

}