[PATCH 72/72] Blackfin: swap clocksource ratings for gptimer/cycles

From: Mike Frysinger
Date: Mon Sep 14 2009 - 16:09:45 EST


From: Graf Yang <graf.yang@xxxxxxxxxx>

The cycles clocksource is a higher resolution than the gptimer one, so
make sure the ratings field reflects this.

Signed-off-by: Graf Yang <graf.yang@xxxxxxxxxx>
Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx>
---
arch/blackfin/Kconfig | 2 +-
arch/blackfin/kernel/time-ts.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index e7a781d..9a01d44 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -648,7 +648,7 @@ config CYCLES_CLOCKSOURCE
writing the registers will most likely crash the kernel.

config GPTMR0_CLOCKSOURCE
- bool "Use GPTimer0 as a clocksource (higher rating)"
+ bool "Use GPTimer0 as a clocksource"
select BFIN_GPTIMERS
depends on GENERIC_CLOCKEVENTS
depends on !TICKSOURCE_GPTMR0
diff --git a/arch/blackfin/kernel/time-ts.c b/arch/blackfin/kernel/time-ts.c
index 0791eba..f971576 100644
--- a/arch/blackfin/kernel/time-ts.c
+++ b/arch/blackfin/kernel/time-ts.c
@@ -66,7 +66,7 @@ static cycle_t bfin_read_cycles(struct clocksource *cs)

static struct clocksource bfin_cs_cycles = {
.name = "bfin_cs_cycles",
- .rating = 350,
+ .rating = 400,
.read = bfin_read_cycles,
.mask = CLOCKSOURCE_MASK(64),
.shift = 22,
@@ -115,7 +115,7 @@ static cycle_t bfin_read_gptimer0(void)

static struct clocksource bfin_cs_gptimer0 = {
.name = "bfin_cs_gptimer0",
- .rating = 400,
+ .rating = 350,
.read = bfin_read_gptimer0,
.mask = CLOCKSOURCE_MASK(32),
.shift = 22,
--
1.6.4.2

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/