Hi Mark,
On 07/01/2019 12:01 AM, Mark Kettenis wrote:
> The "simple" OF glue layer for the Designware USB3 core enables
> all refernced clocks. These need to be need to be implemented
> otherwise the driver fails to probe. A dummy implementation
> that simply returns success is sufficient since the RK3399 comes
> out of reset with all clock gates open.
>
> Signed-off-by: Mark Kettenis <kette...@openbsd.org>
Reviewed-by: Kever Yang <kever.y...@rock-chips.com>
Thanks,
- Kever
> ---
> drivers/clk/rockchip/clk_rk3399.c | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/drivers/clk/rockchip/clk_rk3399.c
> b/drivers/clk/rockchip/clk_rk3399.c
> index 79007b8682..d9950c159b 100644
> --- a/drivers/clk/rockchip/clk_rk3399.c
> +++ b/drivers/clk/rockchip/clk_rk3399.c
> @@ -1080,6 +1080,18 @@ static int rk3399_clk_enable(struct clk *clk)
> case PCLK_GMAC:
> /* Required to successfully probe the Designware GMAC driver */
> return 0;
> +
> + case SCLK_USB3OTG0_REF:
> + case SCLK_USB3OTG1_REF:
> + case SCLK_USB3OTG0_SUSPEND:
> + case SCLK_USB3OTG1_SUSPEND:
> + case ACLK_USB3OTG0:
> + case ACLK_USB3OTG1:
> + case ACLK_USB3_RKSOC_AXI_PERF:
> + case ACLK_USB3:
> + case ACLK_USB3_GRF:
> + /* Required to successfully probe the Designware USB3 driver */
> + return 0;
> }
>
> debug("%s: unsupported clk %ld\n", __func__, clk->id);
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