[U-Boot] [PATCH 2/2] usb: sunxi: sun50i: enable OHCI0 clock when OHCI1 is in use

Jagan Teki jagannadh.teki at gmail.com
Wed Jun 6 13:56:16 UTC 2018


On Wed, Jun 6, 2018 at 9:08 AM, Vasily Khoruzhick <anarsoul at gmail.com> wrote:
> On A64 OHCI1 clock source is OHCI0 clock, so we need to enable OHCI0
> clock when OHCI1 is in use.
>
> Fixes commit dd3228170ad7 ("usb: sunxi: Switch to use generic-phy")
>
> Signed-off-by: Vasily Khoruzhick <anarsoul at gmail.com>
> ---
>  drivers/usb/host/ohci-sunxi.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/usb/host/ohci-sunxi.c b/drivers/usb/host/ohci-sunxi.c
> index ce2b47a5c4..5661557a3d 100644
> --- a/drivers/usb/host/ohci-sunxi.c
> +++ b/drivers/usb/host/ohci-sunxi.c
> @@ -36,6 +36,7 @@ static int ohci_usb_probe(struct udevice *dev)
>         struct ohci_sunxi_priv *priv = dev_get_priv(dev);
>         struct ohci_regs *regs = (struct ohci_regs *)devfdt_get_addr(dev);
>         int extra_ahb_gate_mask = 0;
> +       int extra_usb_gate_mask = 0;
>         int phys, ret;
>
>         priv->ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
> @@ -78,13 +79,17 @@ no_phy:
>         extra_ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_EHCI0;
>  #endif
>         priv->usb_gate_mask = CCM_USB_CTRL_OHCI0_CLK;
> +#ifdef CONFIG_MACH_SUN50I
> +       extra_usb_gate_mask = CCM_USB_CTRL_OHCI0_CLK;

This look reassigning same clock to twice?


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