Commit 53b4b2ae authored by Dmitry Osipenko's avatar Dmitry Osipenko Committed by Chanwoo Choi

PM / devfreq: tegra30: Fix integer overflow on CPU's freq max out

There is another kHz-conversion bug in the code, resulting in integer
overflow. Although, this time the resulting value is 4294966296 and it's
close to ULONG_MAX, which is okay in this case.
Reviewed-by: default avatarChanwoo Choi <cw00.choi@samsung.com>
Tested-by: default avatarPeter Geis <pgwipeout@gmail.com>
Signed-off-by: default avatarDmitry Osipenko <digetx@gmail.com>
Signed-off-by: default avatarChanwoo Choi <cw00.choi@samsung.com>
parent e7955a34
...@@ -69,6 +69,8 @@ ...@@ -69,6 +69,8 @@
#define KHZ 1000 #define KHZ 1000
#define KHZ_MAX (ULONG_MAX / KHZ)
/* Assume that the bus is saturated if the utilization is 25% */ /* Assume that the bus is saturated if the utilization is 25% */
#define BUS_SATURATION_RATIO 25 #define BUS_SATURATION_RATIO 25
...@@ -170,7 +172,7 @@ struct tegra_actmon_emc_ratio { ...@@ -170,7 +172,7 @@ struct tegra_actmon_emc_ratio {
}; };
static struct tegra_actmon_emc_ratio actmon_emc_ratios[] = { static struct tegra_actmon_emc_ratio actmon_emc_ratios[] = {
{ 1400000, ULONG_MAX }, { 1400000, KHZ_MAX },
{ 1200000, 750000 }, { 1200000, 750000 },
{ 1100000, 600000 }, { 1100000, 600000 },
{ 1000000, 500000 }, { 1000000, 500000 },
......
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