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@xxxxxxxxxxxxxxx> know about it.
>From 551b6729578a8981c46af964c10bf7d5d9ddca83 Mon Sep 17 00:00:00 2001
From: Ricky Wu <ricky_wu@xxxxxxxxxxx>
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@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
@@ -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@xxxxxxxxxxx are
queue-5.4/misc-rtsx-do-not-setting-oc_power_down-reg-in-rtsx_pci_init_ocp.patch
