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clk: scmi: Add duty cycle ops only when duty cycle is supported

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For some of the SCMI based platforms, the oem extended config may be
supported, but not for duty cycle purpose. Skip the duty cycle ops if
err return when trying to get duty cycle info.

Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Jacky Bai
2025-07-28 15:04:46 +08:00
committed by Stephen Boyd
parent 8f5ae30d69
commit 18db1ff2de
1 changed files with 9 additions and 2 deletions
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11
drivers/clk/clk-scmi.c
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@@ -349,6 +349,8 @@ scmi_clk_ops_select(struct scmi_clk *sclk, bool atomic_capable,
unsigned int atomic_threshold_us,
const struct clk_ops **clk_ops_db, size_t db_size)
{
int ret;
u32 val;
const struct scmi_clock_info *ci = sclk->info;
unsigned int feats_key = 0;
const struct clk_ops *ops;
@@ -370,8 +372,13 @@ scmi_clk_ops_select(struct scmi_clk *sclk, bool atomic_capable,
if (!ci->parent_ctrl_forbidden)
feats_key |= BIT(SCMI_CLK_PARENT_CTRL_SUPPORTED);
if (ci->extended_config)
feats_key |= BIT(SCMI_CLK_DUTY_CYCLE_SUPPORTED);
if (ci->extended_config) {
ret = scmi_proto_clk_ops->config_oem_get(sclk->ph, sclk->id,
SCMI_CLOCK_CFG_DUTY_CYCLE,
&val, NULL, false);
if (!ret)
feats_key |= BIT(SCMI_CLK_DUTY_CYCLE_SUPPORTED);
}
if (WARN_ON(feats_key >= db_size))
return NULL;