On Tue, May 23, 2017 at 6:09 AM, Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> wrote:
> Fixes: bbe0df90b8e2463dd8db651e9f1dd57702985d2d
>
> I assumed all chipidea devices actually have a clock. This is true
> when looking at the device tree, but in barebox not all i.MX SoCs
> use the clocks provided by the device tree. Most instead use
> clkdev_add_physbase() to attach a clocks to devices. For these the
> chipidea device does not have a clock.
>
> Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
Just tried on a custom i.MX51 based board I wrote my USB clock patch
from earlier for. Seems to work with said patch dropped from the tree,
so:
Tested-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
> ---
> drivers/usb/imx/chipidea-imx.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/usb/imx/chipidea-imx.c b/drivers/usb/imx/chipidea-imx.c
> index 67d01d3de5..39593c40fb 100644
> --- a/drivers/usb/imx/chipidea-imx.c
> +++ b/drivers/usb/imx/chipidea-imx.c
> @@ -276,10 +276,8 @@ static int imx_chipidea_probe(struct device_d *dev)
> * devices which have only one.
> */
> ci->clk = clk_get(dev, NULL);
> - if (IS_ERR(ci->clk))
> - return PTR_ERR(ci->clk);
> -
> - clk_enable(ci->clk);
> + if (!IS_ERR(ci->clk))
> + clk_enable(ci->clk);
>
> if (of_property_read_bool(dev->device_node, "fsl,usbphy")) {
> ci->phy = of_phy_get_by_phandle(dev, "fsl,usbphy", 0);
> --
> 2.11.0
>
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