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Date: Fri, 29 Jan 2016 12:24:57 +0800 From: Chunyan Zhang <zhang.chunyan@...aro.org> To: alexander.shishkin@...ux.intel.com Cc: linux-kernel@...r.kernel.org, zhang.chunyan@...aro.org Subject: [PATCH] intel_th: Show a correct number of masters in debug message Since both sw_start and sw_end are master indices, the number of software masters should be sw_end - sw_start + 1, which the current code gets wrong, calculating one less than the actual value. With this patch, the correct number of masters would be showed in the debug message. Signed-off-by: Chunyan Zhang <zhang.chunyan@...aro.org> --- drivers/hwtracing/intel_th/sth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwtracing/intel_th/sth.c b/drivers/hwtracing/intel_th/sth.c index 56101c3..28917d7 100644 --- a/drivers/hwtracing/intel_th/sth.c +++ b/drivers/hwtracing/intel_th/sth.c @@ -173,7 +173,7 @@ static int intel_th_sw_init(struct sth_device *sth) sth->stm.sw_start = reg & 0xffff; sth->stm.sw_end = reg >> 16; - sth->sw_nmasters = sth->stm.sw_end - sth->stm.sw_start; + sth->sw_nmasters = sth->stm.sw_end - sth->stm.sw_start + 1; dev_dbg(sth->dev, "sw_start: %x sw_end: %x masters: %x nchannels: %x\n", sth->stm.sw_start, sth->stm.sw_end, sth->sw_nmasters, sth->stm.sw_nchannels); -- 1.9.1
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