linux-kernel - [PATCH 4/4] USB: TWL6025 allow different regulator name

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Date:	Wed, 27 Apr 2011 10:39:51 +0100
From:	Graeme Gregory <gg@...mlogic.co.uk>
To:	linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	sameo@...ux.intel.com, balbi@...com, lrg@...mlogic.co.uk,
	broonie@...nsource.wolfsonmicro.com,
	Graeme Gregory <gg@...mlogic.co.uk>
Subject: [PATCH 4/4] USB: TWL6025 allow different regulator name

The twl6025 uses a different regulator for USB than the 6030 so select
the correct regulator name depending on the subclass of device.

Signed-off-by: Graeme Gregory <gg@...mlogic.co.uk>
---
 drivers/usb/otg/twl6030-usb.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/otg/twl6030-usb.c b/drivers/usb/otg/twl6030-usb.c
index 6e920de..3d82419 100644
--- a/drivers/usb/otg/twl6030-usb.c
+++ b/drivers/usb/otg/twl6030-usb.c
@@ -190,6 +190,12 @@ static int twl6030_phy_suspend(struct otg_transceiver *x, int suspend)
 
 static int twl6030_usb_ldo_init(struct twl6030_usb *twl)
 {
+	char *regulator_name;
+
+	if (twl_features() & TWL6025_SUBCLASS)
+		regulator_name = "ldousb";
+	else
+		regulator_name = "vusb";
 
 	/* Set to OTG_REV 1.3 and turn on the ID_WAKEUP_COMP */
 	twl6030_writeb(twl, TWL6030_MODULE_ID0 , 0x1, TWL6030_BACKUP_REG);
@@ -200,7 +206,7 @@ static int twl6030_usb_ldo_init(struct twl6030_usb *twl)
 	/* Program MISC2 register and set bit VUSB_IN_VBAT */
 	twl6030_writeb(twl, TWL6030_MODULE_ID0 , 0x10, TWL6030_MISC2);
 
-	twl->usb3v3 = regulator_get(twl->dev, "vusb");
+	twl->usb3v3 = regulator_get(twl->dev, regulator_name);
 	if (IS_ERR(twl->usb3v3))
 		return -ENODEV;
 
-- 
1.7.4.1

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