diff mbox

[PATCHv2,2/2] gpio-stp-xway: Use the of_property_read_u32 helper

Message ID 1432674720-12419-1-git-send-email-martin.blumenstingl@googlemail.com
State New
Headers show

Commit Message

Martin Blumenstingl May 26, 2015, 9:12 p.m. UTC 
This removes some redundant code but does not have any functional impact.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
---
v2: Fixed patch description

 drivers/gpio/gpio-stp-xway.c | 27 +++++++++++----------------
 1 file changed, 11 insertions(+), 16 deletions(-)

Comments

Linus Walleij June 1, 2015, 2:59 p.m. UTC | #1 
On Tue, May 26, 2015 at 11:12 PM, Martin Blumenstingl
<martin.blumenstingl@googlemail.com> wrote:

> This removes some redundant code but does not have any functional impact.
>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
> ---
> v2: Fixed patch description

This v2 patch applied.

Yours,
Linus Walleij
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diff mbox

Patch

diff --git a/drivers/gpio/gpio-stp-xway.c b/drivers/gpio/gpio-stp-xway.c
index 6d4148f..81bdbe7 100644
--- a/drivers/gpio/gpio-stp-xway.c
+++ b/drivers/gpio/gpio-stp-xway.c
@@ -200,7 +200,7 @@  static int xway_stp_hw_init(struct xway_stp *chip)
 static int xway_stp_probe(struct platform_device *pdev)
 {
 	struct resource *res;
-	const __be32 *shadow, *groups, *dsl, *phy;
+	u32 shadow, groups, dsl, phy;
 	struct xway_stp *chip;
 	struct clk *clk;
 	int ret = 0;
@@ -223,33 +223,28 @@  static int xway_stp_probe(struct platform_device *pdev)
 	chip->gc.owner = THIS_MODULE;
 
 	/* store the shadow value if one was passed by the devicetree */
-	shadow = of_get_property(pdev->dev.of_node, "lantiq,shadow", NULL);
-	if (shadow)
-		chip->shadow = be32_to_cpu(*shadow);
+	if (!of_property_read_u32(pdev->dev.of_node, "lantiq,shadow", &shadow))
+		chip->shadow = shadow;
 
 	/* find out which gpio groups should be enabled */
-	groups = of_get_property(pdev->dev.of_node, "lantiq,groups", NULL);
-	if (groups)
-		chip->groups = be32_to_cpu(*groups) & XWAY_STP_GROUP_MASK;
+	if (!of_property_read_u32(pdev->dev.of_node, "lantiq,groups", &groups))
+		chip->groups = groups & XWAY_STP_GROUP_MASK;
 	else
 		chip->groups = XWAY_STP_GROUP0;
 	chip->gc.ngpio = fls(chip->groups) * 8;
 
 	/* find out which gpios are controlled by the dsl core */
-	dsl = of_get_property(pdev->dev.of_node, "lantiq,dsl", NULL);
-	if (dsl)
-		chip->dsl = be32_to_cpu(*dsl) & XWAY_STP_ADSL_MASK;
+	if (!of_property_read_u32(pdev->dev.of_node, "lantiq,dsl", &dsl))
+		chip->dsl = dsl & XWAY_STP_ADSL_MASK;
 
 	/* find out which gpios are controlled by the phys */
 	if (of_machine_is_compatible("lantiq,ar9") ||
 			of_machine_is_compatible("lantiq,gr9") ||
 			of_machine_is_compatible("lantiq,vr9")) {
-		phy = of_get_property(pdev->dev.of_node, "lantiq,phy1", NULL);
-		if (phy)
-			chip->phy1 = be32_to_cpu(*phy) & XWAY_STP_PHY_MASK;
-		phy = of_get_property(pdev->dev.of_node, "lantiq,phy2", NULL);
-		if (phy)
-			chip->phy2 = be32_to_cpu(*phy) & XWAY_STP_PHY_MASK;
+		if (!of_property_read_u32(pdev->dev.of_node, "lantiq,phy1", &phy))
+			chip->phy1 = phy & XWAY_STP_PHY_MASK;
+		if (!of_property_read_u32(pdev->dev.of_node, "lantiq,phy2", &phy))
+			chip->phy2 = phy & XWAY_STP_PHY_MASK;
 	}
 
 	/* check which edge trigger we should use, default to a falling edge */