From: Jacky Bai Date: Mon, 28 Jul 2025 07:04:46 +0000 (+0800) Subject: clk: scmi: Add duty cycle ops only when duty cycle is supported X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=18db1ff2dea0f97dedaeadd18b0cb0a0d76154df;p=users%2Fhch%2Fmisc.git clk: scmi: Add duty cycle ops only when duty cycle is supported 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 Reviewed-by: Sudeep Holla Signed-off-by: Stephen Boyd --- diff --git a/drivers/clk/clk-scmi.c b/drivers/clk/clk-scmi.c index d2408403283f..c2f3ef4e58fe 100644 --- a/drivers/clk/clk-scmi.c +++ b/drivers/clk/clk-scmi.c @@ -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;