[PATCH 01/22] firmware: arm_scmi: Fix sorting of retrieved clock rates

Cristian Marussi
2022-03-30T15:08:31Z

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.

Fixes: dccec73de91 ("firmware: arm_scmi: Keep the discrete clock rates sorted")
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
---
drivers/firmware/arm_scmi/clock.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/firmware/arm_scmi/clock.c b/drivers/firmware/arm_scmi/clock.c
index cf6fed6dec77..ef6431c6eb1c 100644
--- a/drivers/firmware/arm_scmi/clock.c
+++ b/drivers/firmware/arm_scmi/clock.c
@@ -210,7 +210,8 @@ scmi_clock_describe_rates_get(const struct scmi_protocol_handle *ph, 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;
--
2.32.0