[PATCH 2/2] dm: test: clk: Add test for ccf clk_set_rate()

[Sean Anderson]

On 12/5/23 18:23, Igor Prusov wrote:
> Add a simple test case which sets clock rate to its current value.
> 
> Signed-off-by: Igor Prusov <ivprusov at salutedevices.com>
> ---
> 
>   test/dm/clk_ccf.c | 9 +++++++++
>   1 file changed, 9 insertions(+)
> 
> diff --git a/test/dm/clk_ccf.c b/test/dm/clk_ccf.c
> index e4ebb93cda..3b23982541 100644
> --- a/test/dm/clk_ccf.c
> +++ b/test/dm/clk_ccf.c
> @@ -63,6 +63,9 @@ static int dm_test_clk_ccf(struct unit_test_state *uts)
>   	rate = clk_get_parent_rate(clk);
>   	ut_asserteq(rate, 60000000);
>   
> +	rate = clk_set_rate(clk, 60000000);
> +	ut_asserteq(rate, -ENOSYS);
> +
>   	rate = clk_get_rate(clk);
>   	ut_asserteq(rate, 60000000);
>   
> @@ -87,6 +90,9 @@ static int dm_test_clk_ccf(struct unit_test_state *uts)
>   	ut_asserteq_str("pll3_80m", pclk->dev->name);
>   	ut_asserteq(CLK_SET_RATE_PARENT, pclk->flags);
>   
> +	rate = clk_set_rate(clk, 80000000);
> +	ut_asserteq(rate, -ENOSYS);
> +
>   	rate = clk_get_rate(clk);
>   	ut_asserteq(rate, 80000000);
>   
> @@ -108,6 +114,9 @@ static int dm_test_clk_ccf(struct unit_test_state *uts)
>   	rate = clk_get_rate(clk);
>   	ut_asserteq(rate, 60000000);
>   
> +	rate = clk_set_rate(clk, 60000000);
> +	ut_asserteq(rate, 60000000);
> +
>   #if CONFIG_IS_ENABLED(CLK_CCF)
>   	/* Test clk tree enable/disable */
>   	ret = clk_get_by_id(SANDBOX_CLK_I2C_ROOT, &clk);

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