Re: [stable 3.18 PATCH] clk: at91: usb: fix determine_rate prototype again

From: Boris Brezillon
Date: Fri Apr 21 2017 - 08:53:20 EST


On Fri, 21 Apr 2017 14:45:23 +0200
Arnd Bergmann <arnd@xxxxxxxx> wrote:

> We had an incorrect backport of
> 4591243102fa ("clk: at91: usb: propagate rate modification to the parent clk")
> that was fixed incorrectly in linux-3.18.y by
> 76723e7ed589 ("clk: at91: usb: fix determine_rate prototype")
>
> as shown by this warning:
>
> drivers/clk/at91/clk-usb.c:155:20: warning: initialization from incompatible pointer type [-Wincompatible-pointer-types]
> drivers/clk/at91/clk-usb.c:193:20: warning: initialization from incompatible pointer type [-Wincompatible-pointer-types]
>
> This should fix it properly.
>
> Cc: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx>

Acked-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx>

> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> This should be applied to 3.18.y directly
> ---
> drivers/clk/at91/clk-usb.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/clk/at91/clk-usb.c b/drivers/clk/at91/clk-usb.c
> index 0283a5713d6c..930a424cc4a0 100644
> --- a/drivers/clk/at91/clk-usb.c
> +++ b/drivers/clk/at91/clk-usb.c
> @@ -59,7 +59,7 @@ static unsigned long at91sam9x5_clk_usb_recalc_rate(struct clk_hw *hw,
> static long at91sam9x5_clk_usb_determine_rate(struct clk_hw *hw,
> unsigned long rate,
> unsigned long *best_parent_rate,
> - struct clk_hw **best_parent_hw)
> + struct clk **best_parent_hw)
> {
> struct clk *parent = NULL;
> long best_rate = -EINVAL;
> @@ -91,7 +91,7 @@ static long at91sam9x5_clk_usb_determine_rate(struct clk_hw *hw,
> best_rate = tmp_rate;
> best_diff = tmp_diff;
> *best_parent_rate = tmp_parent_rate;
> - *best_parent_hw = __clk_get_hw(parent);
> + *best_parent_hw = parent;
> }
>
> if (!best_diff || tmp_rate < rate)