Re: [PATCH v3 1/4] clk: actions: Terminate clk_div_table with sentinel element

[Philippe Mathieu-Daudé]

On 5/2/22 01:52, Jonathan Neuschäfer wrote:
> In order that the end of a clk_div_table can be detected, it must be
> terminated with a sentinel element (.div = 0).
>
> In owl-s900.s, the { 0, 8 } element was probably meant to be just that,
> so this patch changes { 0, 8 } to { 0, 0 }.
>
> Fixes: d47317ca4ade1 ("clk: actions: Add S700 SoC clock support")
> Fixes: d85d20053e195 ("clk: actions: Add S900 SoC clock support")
> Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@xxxxxxx>
> Reviewed-by: Manivannan Sadhasivam <mani@xxxxxxxxxx>
> ---
>
> v3:
> - Interpret { 0, 8 } as a typo of { 0, 0 }, the sentinel element
> - Add R-b tag
>
> v2:
> - Add Fixes tags
> ---
>   drivers/clk/actions/owl-s700.c | 1 +
>   drivers/clk/actions/owl-s900.c | 2 +-
>   2 files changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/clk/actions/owl-s700.c b/drivers/clk/actions/owl-s700.c
> index a2f34d13fb543..617174644f728 100644
> --- a/drivers/clk/actions/owl-s700.c
> +++ b/drivers/clk/actions/owl-s700.c
> @@ -162,6 +162,7 @@ static struct clk_div_table hdmia_div_table[] = {
>
>   static struct clk_div_table rmii_div_table[] = {
>   	{0, 4},   {1, 10},
> +	{0, 0},

Again, clearer to use:

        { /* sentinel */ }

(without the trailing comma, to enforce this is the last entry).

>   };
>
>   /* divider clocks */
> diff --git a/drivers/clk/actions/owl-s900.c b/drivers/clk/actions/owl-s900.c
> index 790890978424a..63c4097c07ac7 100644
> --- a/drivers/clk/actions/owl-s900.c
> +++ b/drivers/clk/actions/owl-s900.c
> @@ -140,7 +140,7 @@ static struct clk_div_table rmii_ref_div_table[] = {
>
>   static struct clk_div_table usb3_mac_div_table[] = {
>   	{ 1, 2 }, { 2, 3 }, { 3, 4 },
> -	{ 0, 8 },
> +	{ 0, 0 },
>   };
>
>   static struct clk_div_table i2s_div_table[] = {
> --
> 2.34.1