On Thu, 1 Aug 2013, Boris BREZILLON wrote: > The AT91 PMC (Power Management Controller) provides an USB clock used by > USB Full Speed host (ohci) and USB Full Speed device (udc). > The usb drivers (ohci and udc) must configure this clock to 48Mhz. > This configuration was formely done in mach-at91/clock.c, but this > implementation will be removed when moving to common clk framework. > > This patch adds support for usb clock retrieval and configuration, and is > backward compatible with the current at91 clk implementation (if usb clk > is not found, it does not configure/enable it). > > Signed-off-by: Boris BREZILLON <b.brezillon@xxxxxxxxxxx> > @@ -163,6 +169,8 @@ static int usb_hcd_at91_probe(const struct hc_driver *driver, > goto err5; > } > > + uclk = clk_get(&pdev->dev, "usb_clk"); What happens if uclk isn't found but it is needed? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
