linux-kernel - [PATCH 1/2] pinmux: Remove double pin validity check.

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Date:	Wed, 26 Oct 2011 22:57:20 +0200
From:	Marek Belisko <marek.belisko@...n-nandra.com>
To:	swarren@...dia.com, linus.walleij@...aro.org
Cc:	grant.likely@...retlab.ca, linux-kernel@...r.kernel.org,
	Marek Belisko <marek.belisko@...n-nandra.com>
Subject: [PATCH 1/2] pinmux: Remove double pin validity check.

Function pin_is_valid just call pin_desc_get which is in pin_request
call some line below. Remove pin_is_valid() check.

Signed-off-by: Marek Belisko <marek.belisko@...n-nandra.com>
---
 drivers/pinctrl/pinmux.c |   15 +++++----------
 1 files changed, 5 insertions(+), 10 deletions(-)

diff --git a/drivers/pinctrl/pinmux.c b/drivers/pinctrl/pinmux.c
index a5467f8..b6d964f 100644
--- a/drivers/pinctrl/pinmux.c
+++ b/drivers/pinctrl/pinmux.c
@@ -112,16 +112,6 @@ static int pin_request(struct pinctrl_dev *pctldev,
 
 	dev_dbg(&pctldev->dev, "request pin %d for %s\n", pin, function);
 
-	if (!pin_is_valid(pctldev, pin)) {
-		dev_err(&pctldev->dev, "pin is invalid\n");
-		return -EINVAL;
-	}
-
-	if (!function) {
-		dev_err(&pctldev->dev, "no function name given\n");
-		return -EINVAL;
-	}
-
 	desc = pin_desc_get(pctldev, pin);
 	if (desc == NULL) {
 		dev_err(&pctldev->dev,
@@ -129,6 +119,11 @@ static int pin_request(struct pinctrl_dev *pctldev,
 		goto out;
 	}
 
+	if (!function) {
+		dev_err(&pctldev->dev, "no function name given\n");
+		return -EINVAL;
+	}
+
 	spin_lock(&desc->lock);
 	if (desc->mux_function) {
 		spin_unlock(&desc->lock);
-- 
1.7.5.4

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