[PATCHv1 2.6.34-rc6 1/3] mxc: gadget: remove 60mhz clock requirement for freescale mx51 usb core
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From: Dinh Nguyen on 5 May 2010 19:00 for mx51, usb core is clocked from sources that are not 60mhz. Signed-off-by: Dinh Nguyen <Dinh.Nguyen(a)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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |