linux-kernel - [PATCH 3/4] mfd: omap-usb-host: Use gpio_request

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Date:	Thu, 01 Dec 2011 09:53:25 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Keshava Munegowda <keshava_mgowda@...com>,
	Samuel Ortiz <sameo@...ux.intel.com>
Subject: [PATCH 3/4] mfd: omap-usb-host: Use gpio_request_one

Use gpio_request_one() instead of multiple gpiolib calls.

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/mfd/omap-usb-host.c |   20 +++++++-------------
 1 files changed, 7 insertions(+), 13 deletions(-)

diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c
index 86e1458..6533ecc 100644
--- a/drivers/mfd/omap-usb-host.c
+++ b/drivers/mfd/omap-usb-host.c
@@ -715,19 +715,13 @@ static int usbhs_enable(struct device *dev)
 	clk_enable(omap->usbtll_ick);
 
 	if (pdata->ehci_data->phy_reset) {
-		if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[0])) {
-			gpio_request(pdata->ehci_data->reset_gpio_port[0],
-						"USB1 PHY reset");
-			gpio_direction_output
-				(pdata->ehci_data->reset_gpio_port[0], 0);
-		}
+		if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[0]))
+			gpio_request_one(pdata->ehci_data->reset_gpio_port[0],
+					 GPIOF_OUT_INIT_LOW, "USB1 PHY reset");
 
-		if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[1])) {
-			gpio_request(pdata->ehci_data->reset_gpio_port[1],
-						"USB2 PHY reset");
-			gpio_direction_output
-				(pdata->ehci_data->reset_gpio_port[1], 0);
-		}
+		if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[1]))
+			gpio_request_one(pdata->ehci_data->reset_gpio_port[1],
+					 GPIOF_OUT_INIT_LOW, "USB2 PHY reset");
 
 		/* Hold the PHY in RESET for enough time till DIR is high */
 		udelay(10);
-- 
1.7.5.4



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