Messages in this thread Patch in this message | | | From | Felix Fietkau <> | Subject | [PATCH] clocksource: mips-gic-timer: fix clocksource counter width | Date | Wed, 21 Feb 2018 13:47:49 +0100 |
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This code needs to use ffs instead of fls on the mask to determine the shift for reading the GIC_CONFIG_COUNTBITS field.
Fixes: e07127a077c7 ("clocksource: mips-gic-timer: Use new GIC accessor functions") Cc: Paul Burton <paul.burton@imgtec.com> Cc: stable@vger.kernel.org Signed-off-by: Felix Fietkau <nbd@nbd.name> --- drivers/clocksource/mips-gic-timer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/clocksource/mips-gic-timer.c b/drivers/clocksource/mips-gic-timer.c index a04808a21d4e..bf0eee78c6ef 100644 --- a/drivers/clocksource/mips-gic-timer.c +++ b/drivers/clocksource/mips-gic-timer.c @@ -166,7 +166,7 @@ static int __init __gic_clocksource_init(void) /* Set clocksource mask. */ count_width = read_gic_config() & GIC_CONFIG_COUNTBITS; - count_width >>= __fls(GIC_CONFIG_COUNTBITS); + count_width >>= __ffs(GIC_CONFIG_COUNTBITS); count_width *= 4; count_width += 32; gic_clocksource.mask = CLOCKSOURCE_MASK(count_width); -- 2.14.2
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