[RFC PATCH v2] clk: fix clk_get_rate() always return ulong

[Sean Anderson]

On 8/29/22 05:11, Julien Masson wrote:
> According to clk_ops struct definition, the callback `get_rate()`
> return current clock rate value as ulong.
> `clk_get_rate()` should handle the clock rate returned as ulong also.
> 
> Otherwise we may have invalid/truncated clock rate value returned by
> `clk_get_rate()`.
> 
> `log_ret` has also been removed since it use an `int` in the macro
> definition.
> 
> Signed-off-by: Julien Masson <jmasson at baylibre.com>
> ---
>   drivers/clk/clk-uclass.c | 8 ++------
>   1 file changed, 2 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c
> index b89c77bf79..c351fa97d1 100644
> --- a/drivers/clk/clk-uclass.c
> +++ b/drivers/clk/clk-uclass.c
> @@ -469,7 +469,7 @@ void clk_free(struct clk *clk)
>   ulong clk_get_rate(struct clk *clk)
>   {
>   	const struct clk_ops *ops;
> -	int ret;
> +	ulong ret;
>   
>   	debug("%s(clk=%p)\n", __func__, clk);
>   	if (!clk_valid(clk))
> @@ -479,11 +479,7 @@ ulong clk_get_rate(struct clk *clk)
>   	if (!ops->get_rate)
>   		return -ENOSYS;
>   
> -	ret = ops->get_rate(clk);
> -	if (ret)
> -		return log_ret(ret);
> -
> -	return 0;
> +	return ops->get_rate(clk);
>   }
>   
>   struct clk *clk_get_parent(struct clk *clk)

Reviewed-by: Sean Anderson <seanga2 at gmail.com>