linux-kernel - [PATCH 4.4 16/93] pinctrl: uniphier: fix .pin_dbg

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Message-Id: <20161006074731.808941077@linuxfoundation.org>
Date:   Thu,  6 Oct 2016 10:28:46 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH 4.4 16/93] pinctrl: uniphier: fix .pin_dbg_show() callback

4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Masahiro Yamada <yamada.masahiro@...ionext.com>

commit 10ef8277ec658bf6619da9b3fd65c2db7353c2a4 upstream.

Without this, reading the "pins" in the debugfs causes kernel BUG.

Fixes: 6e9088920258 ("pinctrl: UniPhier: add UniPhier pinctrl core support")
Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/pinctrl/uniphier/pinctrl-uniphier-core.c |    6 ++++++
 1 file changed, 6 insertions(+)

--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c
@@ -73,6 +73,12 @@ static void uniphier_pctl_pin_dbg_show(s
 	case UNIPHIER_PIN_PULL_DOWN:
 		pull_dir = "DOWN";
 		break;
+	case UNIPHIER_PIN_PULL_UP_FIXED:
+		pull_dir = "UP(FIXED)";
+		break;
+	case UNIPHIER_PIN_PULL_DOWN_FIXED:
+		pull_dir = "DOWN(FIXED)";
+		break;
 	case UNIPHIER_PIN_PULL_NONE:
 		pull_dir = "NONE";
 		break;