firmware: arm_scmi: Simplify error path in scmi_dvfs_device_opps_add()

[ Upstream commit 033ca4de12 ]

Let's simplify the code in scmi_dvfs_device_opps_add() by using
dev_pm_opp_remove_all_dynamic() in the error path.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20230925131715.138411-8-ulf.hansson@linaro.org
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Stable-dep-of: 77f5032e94 ("firmware: arm_scmi: Fix possible frequency truncation when using level indexing mode")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ulf Hansson 2023-09-25 15:17:13 +02:00 committed by Greg Kroah-Hartman
parent 1ea9f8abe3
commit 4893588806

View File

@ -799,7 +799,6 @@ static int scmi_dvfs_device_opps_add(const struct scmi_protocol_handle *ph,
{
int idx, ret, domain;
unsigned long freq;
struct scmi_opp *opp;
struct perf_dom_info *dom;
domain = scmi_dev_domain_id(dev);
@ -810,23 +809,16 @@ static int scmi_dvfs_device_opps_add(const struct scmi_protocol_handle *ph,
if (IS_ERR(dom))
return PTR_ERR(dom);
for (opp = dom->opp, idx = 0; idx < dom->opp_count; idx++, opp++) {
for (idx = 0; idx < dom->opp_count; idx++) {
if (!dom->level_indexing_mode)
freq = opp->perf * dom->mult_factor;
freq = dom->opp[idx].perf * dom->mult_factor;
else
freq = opp->indicative_freq * 1000;
freq = dom->opp[idx].indicative_freq * 1000;
ret = dev_pm_opp_add(dev, freq, 0);
if (ret) {
dev_warn(dev, "failed to add opp %luHz\n", freq);
while (idx-- > 0) {
if (!dom->level_indexing_mode)
freq = (--opp)->perf * dom->mult_factor;
else
freq = (--opp)->indicative_freq * 1000;
dev_pm_opp_remove(dev, freq);
}
dev_pm_opp_remove_all_dynamic(dev);
return ret;
}