6.12-stable review patch. If anyone has any objections, please let me know.
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From: Jacky Bai ping.bai@nxp.com
[ Upstream commit 18db1ff2dea0f97dedaeadd18b0cb0a0d76154df ]
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 Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/clk/clk-scmi.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/clk/clk-scmi.c b/drivers/clk/clk-scmi.c index 1b1561c84127b..7b7ea36333a6b 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;