diff options
| author |   eric miao <eric.miao@marvell.com> | 2007-12-12 08:53:25 +0800 |
|---|---|---|
| committer |   Russell King <rmk+kernel@arm.linux.org.uk> | 2008-01-26 15:07:53 +0000 |
| commit | a8bcf4108d6322ef157ae3c224a57beb8870af38 (patch) | |
| tree | cc138b76288cebfac30d8a80104ef716941cbc35 /drivers | |
| parent | [ARM] pxa: make OHCI register definitions available to both pxa27x and pxa3xx (diff) | |
| download | linux-dev-a8bcf4108d6322ef157ae3c224a57beb8870af38.tar.xz linux-dev-a8bcf4108d6322ef157ae3c224a57beb8870af38.zip | |
[ARM] USB: update pxa27x ohci driver to use clk support
Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/ohci-pxa27x.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c index 23d2fe5a62f4..ff9a79843471 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; } @@ -225,6 +233,7 @@ void usb_hcd_pxa27x_remove (struct usb_hcd *hcd, struct platform_device *pdev) iounmap(hcd->regs); release_mem_region(hcd->rsrc_start, hcd->rsrc_len); usb_put_hcd(hcd); + clk_put(usb_clk); } /*-------------------------------------------------------------------------*/ |