From: Bjorn Andersson <bjorn.andersson@linaro.org>
Date: Mon, 29 Jan 2018 00:59:48 +0000 (-0800)
Subject: pinctrl: msm: Use dynamic GPIO numbering
X-Git-Tag: v4.9.104~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0bd77073e693e8f93ff6ddba65a9f426153221cb;p=thirdparty%2Fkernel%2Fstable.git

pinctrl: msm: Use dynamic GPIO numbering

[ Upstream commit a7aa75a2a7dba32594291a71c3704000a2fd7089 ]

The base of the TLMM gpiochip should not be statically defined as 0, fix
this to not artificially restrict the existence of multiple pinctrl-msm
devices.

Fixes: f365be092572 ("pinctrl: Add Qualcomm TLMM driver")
Reported-by: Timur Tabi <timur@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c
index bedce3453dd33..056845bdf67b3 100644
--- a/drivers/pinctrl/qcom/pinctrl-msm.c
+++ b/drivers/pinctrl/qcom/pinctrl-msm.c
@@ -790,7 +790,7 @@ static int msm_gpio_init(struct msm_pinctrl *pctrl)
 		return -EINVAL;
 
 	chip = &pctrl->chip;
-	chip->base = 0;
+	chip->base = -1;
 	chip->ngpio = ngpio;
 	chip->label = dev_name(pctrl->dev);
 	chip->parent = pctrl->dev;