From: Bin Meng Date: Wed, 26 Jul 2017 03:12:02 +0000 (-0700) Subject: x86: tsc: Remove the fail handling in try_msr_calibrate_tsc() X-Git-Tag: v2017.09-rc2~135^2~31 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fde1801eaa09adcbb26b53e53a52e5067e23d1dd;p=platform%2Fkernel%2Fu-boot.git x86: tsc: Remove the fail handling in try_msr_calibrate_tsc() If either ratio or freq is zero, the return value is zero. There is no need to create a fail branch and return zero there. This keeps in sync with Linux kernel commit: 14bb4e3: x86/tsc_msr: Remove debugging messages Signed-off-by: Bin Meng Reviewed-by: Simon Glass --- diff --git a/drivers/timer/tsc_timer.c b/drivers/timer/tsc_timer.c index 4d01c9b..bdbecac 100644 --- a/drivers/timer/tsc_timer.c +++ b/drivers/timer/tsc_timer.c @@ -103,9 +103,6 @@ static unsigned long __maybe_unused try_msr_calibrate_tsc(void) } debug("Maximum core-clock to bus-clock ratio: 0x%x\n", ratio); - if (!ratio) - goto fail; - if (freq_desc_tables[cpu_index].msr_plat == 2) { /* TODO: Figure out how best to deal with this */ freq = FREQ_100; @@ -118,18 +115,12 @@ static unsigned long __maybe_unused try_msr_calibrate_tsc(void) debug("Resolved frequency ID: %u, frequency: %u KHz\n", freq_id, freq); } - if (!freq) - goto fail; /* TSC frequency = maximum resolved freq * maximum resolved bus ratio */ res = freq * ratio / 1000; debug("TSC runs at %lu MHz\n", res); return res; - -fail: - debug("Fast TSC calibration using MSR failed\n"); - return 0; } /*