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List:       linux-stable-commits
Subject:    Patch "misc: rtsx: do not setting OC_POWER_DOWN reg in rtsx_pci_init_ocp()" has been added to the 5.
From:       <gregkh () linuxfoundation ! org>
Date:       2020-10-31 11:16:37
Message-ID: 160414299720148 () kroah ! com
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This is a note to let you know that I've just added the patch titled

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

to the 5.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     misc-rtsx-do-not-setting-oc_power_down-reg-in-rtsx_pci_init_ocp.patch
and it can be found in the queue-5.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


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

From: Ricky Wu <ricky_wu@realtek.com>

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>

---
 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
@@ -1189,10 +1189,6 @@ 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);
 		}
 	}
 }


Patches currently in stable-queue which might be from ricky_wu@realtek.com are

queue-5.4/misc-rtsx-do-not-setting-oc_power_down-reg-in-rtsx_pci_init_ocp.patch
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