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ipq: export gpio value from /sys/kernel/debug/gpio

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Signed-off-by: Jianhui Zhao <jianhui.zhao@gl-inet.com>
This commit is contained in:
Jianhui Zhao 2022-10-26 17:41:24 +08:00
parent 14e4c8f97e
commit 8b8bed706b
1 changed files with 60 additions and 0 deletions
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60
patches-wlan-ap/0024-ipq-export-gpio-value-from-sys-kernel-debug-gpio.patch Normal file
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@ -0,0 +1,60 @@
From e640851b77a77d3f22e3e5caa35f356e29c336f0 Mon Sep 17 00:00:00 2001
From: Jianhui Zhao <jianhui.zhao@gl-inet.com>
Date: Wed, 26 Oct 2022 17:39:05 +0800
Subject: [PATCH] ipq: export gpio value from /sys/kernel/debug/gpio
Signed-off-by: Jianhui Zhao <jianhui.zhao@gl-inet.com>
---
.../patches/302-gpio-debug-export-value.patch | 40 +++++++++++++++++++
1 file changed, 40 insertions(+)
create mode 100644 feeds/ipq807x/ipq807x/patches/302-gpio-debug-export-value.patch
diff --git a/feeds/ipq807x/ipq807x/patches/302-gpio-debug-export-value.patch b/feeds/ipq807x/ipq807x/patches/302-gpio-debug-export-value.patch
new file mode 100644
index 00000000..d84dab5d
--- /dev/null
+++ b/feeds/ipq807x/ipq807x/patches/302-gpio-debug-export-value.patch
@@ -0,0 +1,40 @@
+Index: linux-4.4.60-qsdk-11f09717303ecd83c3a64e9efe23f25921dc1016/drivers/pinctrl/qcom/pinctrl-msm.c
+===================================================================
+--- linux-4.4.60-qsdk-11f09717303ecd83c3a64e9efe23f25921dc1016.orig/drivers/pinctrl/qcom/pinctrl-msm.c
++++ linux-4.4.60-qsdk-11f09717303ecd83c3a64e9efe23f25921dc1016/drivers/pinctrl/qcom/pinctrl-msm.c
+@@ -497,6 +497,15 @@ static void msm_gpio_set(struct gpio_chi
+ #ifdef CONFIG_DEBUG_FS
+ #include <linux/seq_file.h>
+
++struct gpio_desc {
++ struct gpio_chip *chip;
++ unsigned long flags;
++ /* Connection label */
++ const char *label;
++ /* Name of the GPIO */
++ const char *name;
++};
++
+ static void msm_gpio_dbg_show_one(struct seq_file *s,
+ struct pinctrl_dev *pctldev,
+ struct gpio_chip *chip,
+@@ -505,6 +514,7 @@ static void msm_gpio_dbg_show_one(struct
+ {
+ const struct msm_pingroup *g;
+ struct msm_pinctrl *pctrl = container_of(chip, struct msm_pinctrl, chip);
++ struct gpio_desc *gdesc = &chip->desc[offset];
+ unsigned func;
+ int is_out;
+ int drive;
+@@ -526,9 +536,10 @@ static void msm_gpio_dbg_show_one(struct
+ drive = (ctl_reg >> g->drv_bit) & 7;
+ pull = (ctl_reg >> g->pull_bit) & 3;
+
+- seq_printf(s, " %-8s: %-3s %d", g->name, is_out ? "out" : "in", func);
++ seq_printf(s, " %-8s(%-20.20s): %-3s %d", g->name, gdesc->label ? gdesc->label : "", is_out ? "out" : "in", func);
+ seq_printf(s, " %dmA", msm_regval_to_drive(drive));
+ seq_printf(s, " %s", pulls[pull]);
++ seq_printf(s, " %s", chip->get(chip, offset) ? "hi" : "lo");
+ }
+
+ static void msm_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
--
2.25.1