This is a note to let you know that I've just added the patch titled
ARM: imx6: add missing BM_CLPCR_BYPASS_PMIC_READY setting for imx6sx
to the 4.7-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:
arm-imx6-add-missing-bm_clpcr_bypass_pmic_ready-setting-for-imx6sx.patch
and it can be found in the queue-4.7 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 8aade778f787305fdbfd3c1d54e6b583601b5902 Mon Sep 17 00:00:00 2001
From: Anson Huang <Anson.Huang@xxxxxxx>
Date: Mon, 22 Aug 2016 23:53:25 +0800
Subject: ARM: imx6: add missing BM_CLPCR_BYPASS_PMIC_READY setting for imx6sx
From: Anson Huang <Anson.Huang@xxxxxxx>
commit 8aade778f787305fdbfd3c1d54e6b583601b5902 upstream.
i.MX6SX has bypass PMIC ready function, as this function
is normally NOT enabled on the board design, so we need
to bypass the PMIC ready pin check during DSM mode resume
flow, otherwise, the internal DSM resume logic will be
waiting for this signal to be ready forever and cause
resume fail.
Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
Fixes: ff843d621bfc ("ARM: imx: add suspend support for i.mx6sx")
Tested-by: Peter Chen <peter.chen@xxxxxxx>
Signed-off-by: Shawn Guo <shawnguo@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/arm/mach-imx/pm-imx6.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arm/mach-imx/pm-imx6.c
+++ b/arch/arm/mach-imx/pm-imx6.c
@@ -310,7 +310,7 @@ int imx6_set_lpm(enum mxc_cpu_pwr_mode m
val |= 0x3 << BP_CLPCR_STBY_COUNT;
val |= BM_CLPCR_VSTBY;
val |= BM_CLPCR_SBYOS;
- if (cpu_is_imx6sl())
+ if (cpu_is_imx6sl() || cpu_is_imx6sx())
val |= BM_CLPCR_BYPASS_PMIC_READY;
if (cpu_is_imx6sl() || cpu_is_imx6sx() || cpu_is_imx6ul())
val |= BM_CLPCR_BYP_MMDC_CH0_LPM_HS;
Patches currently in stable-queue which might be from Anson.Huang@xxxxxxx are
queue-4.7/arm-imx6-add-missing-bm_clpcr_bypass_pmic_ready-setting-for-imx6sx.patch
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