Re: [PATCH v2 2/2] intel_th: the number of masters should be (sw_end - sw_start + 1)
From: Chunyan Zhang
Date: Wed Jan 27 2016 - 22:41:46 EST
Hi Alex,
Is there any problem on this patch, I noticed that you lost this patch
when you sent a patchset to Greg for 4.4 merge.
Thanks,
Chunyan
On Fri, Dec 11, 2015 at 6:48 PM, Chunyan Zhang <zhang.chunyan@xxxxxxxxxx> wrote:
> sw_end represents the last software master, sw_start is index of the
> first master, so the number of software masters should be
> sw_end - sw_start + 1.
>
> Signed-off-by: Chunyan Zhang <zhang.chunyan@xxxxxxxxxx>
> ---
> 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
>