From 551b6729578a8981c46af964c10bf7d5d9ddca83 Mon Sep 17 00:00:00 2001
From: Ricky Wu <ricky_wu@realtek.com>
Date: Mon, 24 Aug 2020 11:00:06 +0800
Subject: [PATCH] misc: rtsx: do not setting OC_POWER_DOWN reg in rtsx_pci_init_ocp()
Git-commit: 551b6729578a8981c46af964c10bf7d5d9ddca83
Patch-mainline: v5.10-rc1
References: git-fixes
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
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/misc/cardreader/rtsx_pcr.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/misc/cardreader/rtsx_pcr.c b/drivers/misc/cardreader/rtsx_pcr.c
index 37ccc67f4914..3a4a7b0cc098 100644
--- a/drivers/misc/cardreader/rtsx_pcr.c
+++ b/drivers/misc/cardreader/rtsx_pcr.c
@@ -1155,10 +1155,6 @@ 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);
}
}
}
--
2.26.2