>From bcc027e2b6499823adb26ac6a70372395a9d5f19 Mon Sep 17 00:00:00 2001
From: eric miao <[EMAIL PROTECTED]>
Date: Wed, 12 Dec 2007 08:53:25 +0800
Subject: [PATCH] USB: update pxa27x ohci driver to use clk support
Signed-off-by: eric miao <[EMAIL PROTECTED]>
---
drivers/usb/host/ohci-pxa27x.c | 12 ++++++++++--
1 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
index 23d2fe5..72bf41a 100644
--- a/drivers/usb/host/ohci-pxa27x.c
+++ b/drivers/usb/host/ohci-pxa27x.c
@@ -22,6 +22,7 @@
#include <linux/device.h>
#include <linux/signal.h>
#include <linux/platform_device.h>
+#include <linux/clk.h>
#include <asm/mach-types.h>
#include <asm/hardware.h>
@@ -32,6 +33,8 @@
#define UHCRHPS(x) __REG2( 0x4C000050, (x)<<2 )
+static struct clk *usb_clk;
+
/*
PMM_NPS_MODE -- PMM Non-power switching mode
Ports are powered continuously.
@@ -80,7 +83,7 @@ static int pxa27x_start_hc(struct device *dev)
inf = dev->platform_data;
- pxa_set_cken(CKEN_USBHOST, 1);
+ clk_enable(usb_clk);
UHCHR |= UHCHR_FHR;
udelay(11);
@@ -123,7 +126,7 @@ static void pxa27x_stop_hc(struct device *dev)
UHCCOMS |= 1;
udelay(10);
- pxa_set_cken(CKEN_USBHOST, 0);
+ clk_disable(usb_clk);
}
@@ -158,6 +161,10 @@ int usb_hcd_pxa27x_probe (const struct hc_driver
*driver, struct platform_device
return -ENOMEM;
}
+ usb_clk = clk_get(&pdev->dev, "USBCLK");
+ if (IS_ERR(usb_clk))
+ return PTR_ERR(usb_clk);
+
hcd = usb_create_hcd (driver, &pdev->dev, "pxa27x");
if (!hcd)
return -ENOMEM;
@@ -201,6 +208,7 @@ int usb_hcd_pxa27x_probe (const struct hc_driver
*driver, struct platform_device
release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
err1:
usb_put_hcd(hcd);
+ clk_put(usb_clk);
return retval;
}
--
1.5.2.5.GIT
--
Cheers
- eric
-
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