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firmware: arm_scmi: Fix sorting of retrieved clock rates

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[ Upstream commit 23274739a5 ]

During SCMI Clock protocol initialization, after having retrieved from the
SCMI platform all the available discrete rates for a specific clock, the
clock rates array is sorted, unfortunately using a pointer to its end as
a base instead of its start, so that sorting does not work.

Fix invocation of sort() passing as base a pointer to the start of the
retrieved clock rates array.

Link: https://lore.kernel.org/r/20220318092813.49283-1-cristian.marussi@arm.com
Fixes: dccec73de9 ("firmware: arm_scmi: Keep the discrete clock rates sorted")
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Cristian Marussi
2022-03-18 09:28:13 +00:00
committed by Greg Kroah-Hartman
parent 16c628b0c6
commit 5637129712
1 changed files with 2 additions and 1 deletions
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3
drivers/firmware/arm_scmi/clock.c
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@@ -202,7 +202,8 @@ scmi_clock_describe_rates_get(const struct scmi_handle *handle, u32 clk_id,
if (rate_discrete && rate) {
clk->list.num_rates = tot_rate_cnt;
sort(rate, tot_rate_cnt, sizeof(*rate), rate_cmp_func, NULL);
sort(clk->list.rates, tot_rate_cnt, sizeof(*rate),
rate_cmp_func, NULL);
}
clk->rate_discrete = rate_discrete;