From: Matt Porter <mporter@ti.com>
Date: Wed, 26 Sep 2012 19:07:43 +0000 (-0400)
Subject: pinctrl: pinctrl-single: add debugfs pin h/w state info
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7d66ce7f8cf4df01a39a5abad4769df23ff59b8a;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

pinctrl: pinctrl-single: add debugfs pin h/w state info

Adds support for displaying the individual pin h/w config state.

Signed-off-by: Matt Porter <mporter@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---

diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index aabecfa507b4..726a729a2ec9 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -246,7 +246,15 @@ static void pcs_pin_dbg_show(struct pinctrl_dev *pctldev,
 					struct seq_file *s,
 					unsigned offset)
 {
-	seq_printf(s, " " DRIVER_NAME);
+	struct pcs_device *pcs;
+	unsigned val;
+
+	pcs = pinctrl_dev_get_drvdata(pctldev);
+
+	val = pcs->read(pcs->base + offset);
+	val &= pcs->fmask;
+
+	seq_printf(s, "%08x %s " , val, DRIVER_NAME);
 }
 
 static void pcs_dt_free_map(struct pinctrl_dev *pctldev,