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| author | Dimitris Papastamos <dimitris.papastamos@arm.com> | 2018-04-26 14:14:28 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-04-26 14:14:28 +0100 |
| commit | a8d9550b527107b85703d7b4e93073e653ae95f7 (patch) | |
| tree | 82aaab394749009117f72c3f29fef15e71c2d1c4 | |
| parent | 7f6d8f49aa916a526c2ce227606cc51eebd0c950 (diff) | |
| parent | 3cb74922d02bbf64c8dbcaae7093f7b94d72c948 (diff) | |
Merge pull request #1345 from dbasehore/udelay
rockchip/rk3399: Fix sram_udelay
| -rw-r--r-- | plat/rockchip/rk3399/drivers/dram/suspend.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/plat/rockchip/rk3399/drivers/dram/suspend.c b/plat/rockchip/rk3399/drivers/dram/suspend.c index f66150ae..2a80bcb3 100644 --- a/plat/rockchip/rk3399/drivers/dram/suspend.c +++ b/plat/rockchip/rk3399/drivers/dram/suspend.c @@ -85,10 +85,11 @@ static __pmusramfunc uint32_t sram_get_timer_value(void) static __pmusramfunc void sram_udelay(uint32_t usec) { - uint32_t start, cnt, delta, delta_us; + uint32_t start, cnt, delta, total_ticks; /* counter is decreasing */ start = sram_get_timer_value(); + total_ticks = usec * SYS_COUNTER_FREQ_IN_MHZ; do { cnt = sram_get_timer_value(); if (cnt > start) { @@ -96,8 +97,7 @@ static __pmusramfunc void sram_udelay(uint32_t usec) delta += start; } else delta = start - cnt; - delta_us = (delta * SYS_COUNTER_FREQ_IN_MHZ); - } while (delta_us < usec); + } while (delta <= total_ticks); } static __pmusramfunc void configure_sgrf(void) |