This is a note to let you know that I've just added the patch titled
Revert "pinctrl: pinctrl-zynqmp: Add support for output-enable and bias-high-impedance"
to the 6.0-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:
revert-pinctrl-pinctrl-zynqmp-add-support-for-output-enable-and-bias-high-impedance.patch
and it can be found in the queue-6.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 9989bc33c4894e0751679b91fc6eb585772487b9 Mon Sep 17 00:00:00 2001
From: Sai Krishna Potthuri <sai.krishna.potthuri@xxxxxxx>
Date: Mon, 17 Oct 2022 18:33:02 +0530
Subject: Revert "pinctrl: pinctrl-zynqmp: Add support for output-enable and bias-high-impedance"
From: Sai Krishna Potthuri <sai.krishna.potthuri@xxxxxxx>
commit 9989bc33c4894e0751679b91fc6eb585772487b9 upstream.
This reverts commit ad2bea79ef0144043721d4893eef719c907e2e63.
On systems with older PMUFW (Xilinx ZynqMP Platform Management Firmware)
using these pinctrl properties can cause system hang because there is
missing feature autodetection.
When this feature is implemented in the PMUFW, support for these two
properties should bring back.
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Sai Krishna Potthuri <sai.krishna.potthuri@xxxxxxx>
Acked-by: Michal Simek <michal.simek@xxxxxxx>
Link: https://lore.kernel.org/r/20221017130303.21746-2-sai.krishna.potthuri@xxxxxxx
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/pinctrl/pinctrl-zynqmp.c | 9 ---------
1 file changed, 9 deletions(-)
diff --git a/drivers/pinctrl/pinctrl-zynqmp.c b/drivers/pinctrl/pinctrl-zynqmp.c
index 7d2fbf8a02cd..c98f35ad8921 100644
--- a/drivers/pinctrl/pinctrl-zynqmp.c
+++ b/drivers/pinctrl/pinctrl-zynqmp.c
@@ -412,10 +412,6 @@ static int zynqmp_pinconf_cfg_set(struct pinctrl_dev *pctldev,
break;
case PIN_CONFIG_BIAS_HIGH_IMPEDANCE:
- param = PM_PINCTRL_CONFIG_TRI_STATE;
- arg = PM_PINCTRL_TRI_STATE_ENABLE;
- ret = zynqmp_pm_pinctrl_set_config(pin, param, arg);
- break;
case PIN_CONFIG_MODE_LOW_POWER:
/*
* These cases are mentioned in dts but configurable
@@ -424,11 +420,6 @@ static int zynqmp_pinconf_cfg_set(struct pinctrl_dev *pctldev,
*/
ret = 0;
break;
- case PIN_CONFIG_OUTPUT_ENABLE:
- param = PM_PINCTRL_CONFIG_TRI_STATE;
- arg = PM_PINCTRL_TRI_STATE_DISABLE;
- ret = zynqmp_pm_pinctrl_set_config(pin, param, arg);
- break;
default:
dev_warn(pctldev->dev,
"unsupported configuration parameter '%u'\n",
--
2.38.1
Patches currently in stable-queue which might be from sai.krishna.potthuri@xxxxxxx are
queue-6.0/revert-pinctrl-pinctrl-zynqmp-add-support-for-output-enable-and-bias-high-impedance.patch
queue-6.0/revert-dt-bindings-pinctrl-zynqmp-add-output-enable-configuration.patch
