From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dinh.Nguyen@freescale.com (Dinh Nguyen) Date: Wed, 5 May 2010 17:56:09 -0500 Subject: [PATCHv1 2.6.34-rc6 1/3] mxc: gadget: remove 60mhz clock requirement for freescale mx51 usb core In-Reply-To: <1273100171-3235-1-git-send-email-Dinh.Nguyen@freescale.com> References: <1273100171-3235-1-git-send-email-Dinh.Nguyen@freescale.com> Message-ID: <1273100171-3235-2-git-send-email-Dinh.Nguyen@freescale.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org for mx51, usb core is clocked from sources that are not 60mhz. Signed-off-by: Dinh Nguyen --- 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