[PATCHv1 2.6.34-rc6 1/3] mxc: gadget: remove 60mhz clock requirement for freescale mx51 usb core

Dinh Nguyen Dinh.Nguyen at freescale.com
Wed May 5 18:56:09 EDT 2010


for mx51, usb core is clocked from sources that are not 60mhz.

Signed-off-by: Dinh Nguyen <Dinh.Nguyen at freescale.com>
---
 drivers/usb/gadget/fsl_mx3_udc.c |   14 ++++++++------
 1 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/usb/gadget/fsl_mx3_udc.c b/drivers/usb/gadget/fsl_mx3_udc.c
index 20a802e..d0b8bde 100644
--- a/drivers/usb/gadget/fsl_mx3_udc.c
+++ b/drivers/usb/gadget/fsl_mx3_udc.c
@@ -50,12 +50,14 @@ int fsl_udc_clk_init(struct platform_device *pdev)
 		goto egusb;
 	}
 
-	freq = clk_get_rate(mxc_usb_clk);
-	if (pdata->phy_mode != FSL_USB2_PHY_ULPI &&
-	    (freq < 59999000 || freq > 60001000)) {
-		dev_err(&pdev->dev, "USB_CLK=%lu, should be 60MHz\n", freq);
-		ret = -EINVAL;
-		goto eclkrate;
+	if (!cpu_is_mx51()) {
+		freq = clk_get_rate(mxc_usb_clk);
+		if (pdata->phy_mode != FSL_USB2_PHY_ULPI &&
+		    (freq < 59999000 || freq > 60001000)) {
+			dev_err(&pdev->dev, "USB_CLK=%lu, should be 60MHz\n", freq);
+			ret = -EINVAL;
+			goto eclkrate;
+		}
 	}
 
 	ret = clk_enable(mxc_usb_clk);
-- 
1.6.0.4




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