diff options
Diffstat (limited to 'drivers/firmware/arm_scmi/clock.c')
| -rw-r--r-- | drivers/firmware/arm_scmi/clock.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/firmware/arm_scmi/clock.c b/drivers/firmware/arm_scmi/clock.c index 4c2227662b26..75e39882746e 100644 --- a/drivers/firmware/arm_scmi/clock.c +++ b/drivers/firmware/arm_scmi/clock.c @@ -5,6 +5,8 @@ * Copyright (C) 2018 ARM Ltd. */ +#include <linux/sort.h> + #include "common.h" enum scmi_clock_protocol_cmd { @@ -121,11 +123,23 @@ static int scmi_clock_attributes_get(const struct scmi_handle *handle, return ret; } +static int rate_cmp_func(const void *_r1, const void *_r2) +{ + const u64 *r1 = _r1, *r2 = _r2; + + if (*r1 < *r2) + return -1; + else if (*r1 == *r2) + return 0; + else + return 1; +} + static int scmi_clock_describe_rates_get(const struct scmi_handle *handle, u32 clk_id, struct scmi_clock_info *clk) { - u64 *rate; + u64 *rate = NULL; int ret, cnt; bool rate_discrete = false; u32 tot_rate_cnt = 0, rates_flag; @@ -184,8 +198,10 @@ scmi_clock_describe_rates_get(const struct scmi_handle *handle, u32 clk_id, */ } while (num_returned && num_remaining); - if (rate_discrete) + if (rate_discrete && rate) { clk->list.num_rates = tot_rate_cnt; + sort(rate, tot_rate_cnt, sizeof(*rate), rate_cmp_func, NULL); + } clk->rate_discrete = rate_discrete; |