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: Ricky 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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/misc/cardreader/rtsx_pcr.c b/drivers/misc/cardreader/rtsx_pcr.c
index 82246f7aec6fb8ccae6045e6430aaae4e8012704..e39b118b945f8d14b766185457419f9e66ec0545 100644 (file)
--- 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 *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);
                }
        }
 }