linux-kernel - [PATCH 09/11] PINCTRL: lantiq: add functionality to falcon_pinconf_dbg

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Message-Id: <1359720305-31933-9-git-send-email-blogic@openwrt.org>
Date:	Fri,  1 Feb 2013 13:05:03 +0100
From:	John Crispin <blogic@...nwrt.org>
To:	Linus Walleij <linus.walleij@...aro.org>
Cc:	linux-kernel@...r.kernel.org, John Crispin <blogic@...nwrt.org>,
	Thomas Langer <thomas.langer@...tiq.com>
Subject: [PATCH 09/11] PINCTRL: lantiq: add functionality to falcon_pinconf_dbg_show

The current code only has a stub for falcon_pinconf_dbg_show. This patch adds
proper functionality.

Signed-off-by: Thomas Langer <thomas.langer@...tiq.com>
Signed-off-by: John Crispin <blogic@...nwrt.org>
---
 drivers/pinctrl/pinctrl-falcon.c |   31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/drivers/pinctrl/pinctrl-falcon.c b/drivers/pinctrl/pinctrl-falcon.c
index c5a9868..4a0d54a 100644
--- a/drivers/pinctrl/pinctrl-falcon.c
+++ b/drivers/pinctrl/pinctrl-falcon.c
@@ -315,6 +315,37 @@ static int falcon_pinconf_set(struct pinctrl_dev *pctrldev,
 static void falcon_pinconf_dbg_show(struct pinctrl_dev *pctrldev,
 			struct seq_file *s, unsigned offset)
 {
+	unsigned long config;
+	struct pin_desc *desc;
+
+	struct ltq_pinmux_info *info = pinctrl_dev_get_drvdata(pctrldev);
+	int port = PORT(offset);
+
+	seq_printf(s, " (port %d) mux %d -- ", port,
+		pad_r32(info->membase[port], LTQ_PADC_MUX(PORT_PIN(offset))));
+
+	config = LTQ_PINCONF_PACK(LTQ_PINCONF_PARAM_PULL, 0);
+	if (!falcon_pinconf_get(pctrldev, offset, &config))
+		seq_printf(s, "pull %d ",
+			(int)LTQ_PINCONF_UNPACK_ARG(config));
+
+	config = LTQ_PINCONF_PACK(LTQ_PINCONF_PARAM_DRIVE_CURRENT, 0);
+	if (!falcon_pinconf_get(pctrldev, offset, &config))
+		seq_printf(s, "drive-current %d ",
+			(int)LTQ_PINCONF_UNPACK_ARG(config));
+
+	config = LTQ_PINCONF_PACK(LTQ_PINCONF_PARAM_SLEW_RATE, 0);
+	if (!falcon_pinconf_get(pctrldev, offset, &config))
+		seq_printf(s, "slew-rate %d ",
+			(int)LTQ_PINCONF_UNPACK_ARG(config));
+
+	desc = pin_desc_get(pctrldev, offset);
+	if (desc) {
+		if (desc->gpio_owner)
+			seq_printf(s, " owner: %s", desc->gpio_owner);
+	} else {
+		seq_printf(s, " not registered");
+	}
 }
 
 static void falcon_pinconf_group_dbg_show(struct pinctrl_dev *pctrldev,
-- 
1.7.10.4

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