This is a note to let you know that I've just added the patch titled
pinctrl: imx: Do not treat a PIN without MUX register as an error
to the 4.4-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:
pinctrl-imx-do-not-treat-a-pin-without-mux-register-as-an-error.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From ba562d5e54fd3136bfea0457add3675850247774 Mon Sep 17 00:00:00 2001
From: Alexander Shiyan <shc_work@xxxxxxx>
Date: Wed, 1 Jun 2016 22:21:53 +0300
Subject: pinctrl: imx: Do not treat a PIN without MUX register as an error
From: Alexander Shiyan <shc_work@xxxxxxx>
commit ba562d5e54fd3136bfea0457add3675850247774 upstream.
Some PINs do not have a MUX register, it is not an error.
It is necessary to allow the continuation of the PINs configuration,
otherwise the whole PIN-group will be configured incorrectly.
Signed-off-by: Alexander Shiyan <shc_work@xxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/pinctrl/freescale/pinctrl-imx.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/pinctrl/freescale/pinctrl-imx.c
+++ b/drivers/pinctrl/freescale/pinctrl-imx.c
@@ -207,9 +207,9 @@ static int imx_pmx_set(struct pinctrl_de
pin_reg = &info->pin_regs[pin_id];
if (pin_reg->mux_reg == -1) {
- dev_err(ipctl->dev, "Pin(%s) does not support mux function\n",
+ dev_dbg(ipctl->dev, "Pin(%s) does not support mux function\n",
info->pins[pin_id].name);
- return -EINVAL;
+ continue;
}
if (info->flags & SHARE_MUX_CONF_REG) {
Patches currently in stable-queue which might be from shc_work@xxxxxxx are
queue-4.4/pinctrl-imx-do-not-treat-a-pin-without-mux-register-as-an-error.patch
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