Messages in this thread | | | Date | Mon, 07 Dec 2020 10:42:52 +1030 | From | "Andrew Jeffery" <> | Subject | Re: [PATCH] usb: gadget: aspeed: Remove redundant null check b efore clk disable unprepare |
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On Fri, 4 Dec 2020, at 19:21, Xu Wang wrote: > Because clk_disable_unprepare() already checked NULL clock parameter, > so the additional check is unnecessary, just remove it. > > Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Pity we have to dig through the implementation of clk_disable_unprepare() to figure this out, but oh well.
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
> --- > drivers/usb/gadget/udc/aspeed-vhub/core.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/usb/gadget/udc/aspeed-vhub/core.c > b/drivers/usb/gadget/udc/aspeed-vhub/core.c > index be7bb64e3594..ea47f4b98de9 100644 > --- a/drivers/usb/gadget/udc/aspeed-vhub/core.c > +++ b/drivers/usb/gadget/udc/aspeed-vhub/core.c > @@ -282,8 +282,7 @@ static int ast_vhub_remove(struct platform_device > *pdev) > VHUB_CTRL_PHY_RESET_DIS, > vhub->regs + AST_VHUB_CTRL); > > - if (vhub->clk) > - clk_disable_unprepare(vhub->clk); > + clk_disable_unprepare(vhub->clk); > > spin_unlock_irqrestore(&vhub->lock, flags); > > -- > 2.17.1 > >
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