linux-kernel - [PATCH 2/6] mfd: omap-usb-host: Remove PHY reset handling code

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Message-ID: <1363083940-20050-3-git-send-email-rogerq@ti.com>
Date:	Tue, 12 Mar 2013 12:25:36 +0200
From:	Roger Quadros <rogerq@...com>
To:	<sameo@...ux.intel.com>
CC:	<balbi@...com>, <b-cousson@...com>, <mark.rutland@....com>,
	<linux-kernel@...r.kernel.org>, <linux-usb@...r.kernel.org>,
	<linux-omap@...r.kernel.org>,
	<devicetree-discuss@...ts.ozlabs.org>, <rogerq@...com>
Subject: [PATCH 2/6] mfd: omap-usb-host: Remove PHY reset handling code

PHY reset GPIO handling will be done in the PHY driver

Signed-off-by: Roger Quadros <rogerq@...com>
Acked-by: Felipe Balbi <balbi@...com>
Acked-by: Samuel Ortiz <sameo@...ux.intel.com>
---
 drivers/mfd/omap-usb-host.c |   47 -------------------------------------------
 1 files changed, 0 insertions(+), 47 deletions(-)

diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c
index 0874352..502a779 100644
--- a/drivers/mfd/omap-usb-host.c
+++ b/drivers/mfd/omap-usb-host.c
@@ -430,24 +430,10 @@ static unsigned omap_usbhs_rev2_hostconfig(struct usbhs_hcd_omap *omap,
 static void omap_usbhs_init(struct device *dev)
 {
 	struct usbhs_hcd_omap		*omap = dev_get_drvdata(dev);
-	struct usbhs_omap_platform_data	*pdata = omap->pdata;
 	unsigned			reg;
 
 	dev_dbg(dev, "starting TI HSUSB Controller\n");
 
-	if (pdata->phy_reset) {
-		if (gpio_is_valid(pdata->reset_gpio_port[0]))
-			gpio_request_one(pdata->reset_gpio_port[0],
-					 GPIOF_OUT_INIT_LOW, "USB1 PHY reset");
-
-		if (gpio_is_valid(pdata->reset_gpio_port[1]))
-			gpio_request_one(pdata->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);
-	}
-
 	pm_runtime_get_sync(dev);
 
 	reg = usbhs_read(omap->uhh_base, OMAP_UHH_HOSTCONFIG);
@@ -476,37 +462,8 @@ static void omap_usbhs_init(struct device *dev)
 	dev_dbg(dev, "UHH setup done, uhh_hostconfig=%x\n", reg);
 
 	pm_runtime_put_sync(dev);
-	if (pdata->phy_reset) {
-		/* Hold the PHY in RESET for enough time till
-		 * PHY is settled and ready
-		 */
-		udelay(10);
-
-		if (gpio_is_valid(pdata->reset_gpio_port[0]))
-			gpio_set_value_cansleep
-				(pdata->reset_gpio_port[0], 1);
-
-		if (gpio_is_valid(pdata->reset_gpio_port[1]))
-			gpio_set_value_cansleep
-				(pdata->reset_gpio_port[1], 1);
-	}
-}
-
-static void omap_usbhs_deinit(struct device *dev)
-{
-	struct usbhs_hcd_omap		*omap = dev_get_drvdata(dev);
-	struct usbhs_omap_platform_data	*pdata = omap->pdata;
-
-	if (pdata->phy_reset) {
-		if (gpio_is_valid(pdata->reset_gpio_port[0]))
-			gpio_free(pdata->reset_gpio_port[0]);
-
-		if (gpio_is_valid(pdata->reset_gpio_port[1]))
-			gpio_free(pdata->reset_gpio_port[1]);
-	}
 }
 
-
 /**
  * usbhs_omap_probe - initialize TI-based HCDs
  *
@@ -710,8 +667,6 @@ static int usbhs_omap_probe(struct platform_device *pdev)
 	return 0;
 
 err_alloc:
-	omap_usbhs_deinit(&pdev->dev);
-
 	for (i = 0; i < omap->nports; i++) {
 		if (!IS_ERR(omap->utmi_clk[i]))
 			clk_put(omap->utmi_clk[i]);
@@ -756,8 +711,6 @@ static int usbhs_omap_remove(struct platform_device *pdev)
 	struct usbhs_hcd_omap *omap = platform_get_drvdata(pdev);
 	int i;
 
-	omap_usbhs_deinit(&pdev->dev);
-
 	for (i = 0; i < omap->nports; i++) {
 		if (!IS_ERR(omap->utmi_clk[i]))
 			clk_put(omap->utmi_clk[i]);
-- 
1.7.4.1

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