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From: Nick Hu <nickhu@andestech.com>
To: Mark Rutland <mark.rutland@arm.com>
Cc: "Greentime Ying-Han Hu(胡英漢)" <greentime@andestech.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"robh+dt@kernel.org" <robh+dt@kernel.org>,
	"deanbo422@gmail.com" <deanbo422@gmail.com>,
	"peterz@infradead.org" <peterz@infradead.org>,
	"mingo@redhat.com" <mingo@redhat.com>,
	"acme@kernel.org" <acme@kernel.org>,
	"alexander.shishkin@linux.intel.com"
	<alexander.shishkin@linux.intel.com>,
	"jolsa@redhat.com" <jolsa@redhat.com>,
	"namhyung@kernel.org" <namhyung@kernel.org>,
	"arnd@arndb.de" <arnd@arndb.de>,
	"sboyd@codeaurora.org" <sboyd@codeaurora.org>,
	"geert@linux-m68k.org" <geert@linux-m68k.org>,
	"Zong Zong-Xian Li(李宗憲)" <zong@andestech.com>,
	"ebiederm@xmission.com" <ebiederm@xmission.com>
Subject: Re: [PATCH 2/5] nds32: Fix bug in bitfield.h
Date: Mon, 22 Oct 2018 18:19:25 +0800	[thread overview]
Message-ID: <20181022101925.GB24110@andestech.com> (raw)
In-Reply-To: <20181018142622.p3hrrymexubkkuf5@lakrids.cambridge.arm.com>

Hi Mark,

On Thu, Oct 18, 2018 at 10:26:31PM +0800, Mark Rutland wrote:
> On Thu, Oct 18, 2018 at 04:43:14PM +0800, Nickhu wrote:
> > There two bitfield bug for perfomance counter
> > in bitfield.h:
> > 
> > 	PFM_CTL_offSEL1		21 --> 16
> > 	PFM_CTL_offSEL2		27 --> 22
> > 
> > This commit fix it.
> > 
> > Signed-off-by: Nickhu <nickhu@andestech.com>
> 
> This patch should probably be move before the patch adding perf support.
> That way, perf support isn't broken at the point it is added.
> 
> Thanks,
> Mark.
> 
> > ---
> >  arch/nds32/include/asm/bitfield.h | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/arch/nds32/include/asm/bitfield.h b/arch/nds32/include/asm/bitfield.h
> > index 8e84fc385b94..19b2841219ad 100644
> > --- a/arch/nds32/include/asm/bitfield.h
> > +++ b/arch/nds32/include/asm/bitfield.h
> > @@ -692,8 +692,8 @@
> >  #define PFM_CTL_offKU1		13	/* Enable user mode event counting for PFMC1 */
> >  #define PFM_CTL_offKU2		14	/* Enable user mode event counting for PFMC2 */
> >  #define PFM_CTL_offSEL0		15	/* The event selection for PFMC0 */
> > -#define PFM_CTL_offSEL1		21	/* The event selection for PFMC1 */
> > -#define PFM_CTL_offSEL2		27	/* The event selection for PFMC2 */
> > +#define PFM_CTL_offSEL1		16	/* The event selection for PFMC1 */
> > +#define PFM_CTL_offSEL2		22	/* The event selection for PFMC2 */
> >  /* bit 28:31 reserved */
> >  
> >  #define PFM_CTL_mskEN0		( 0x01  << PFM_CTL_offEN0 )
> > -- 
> > 2.17.0
> >

Thank you for the advice !!
I will prepare another patch for it. 

  reply	other threads:[~2018-10-22 10:19 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-18  8:43 [PATCH 0/5] nds32: Perf support Nickhu
2018-10-18  8:43 ` [PATCH 1/5] nds32: Perf porting Nickhu
2018-10-18 14:23   ` Mark Rutland
2018-10-22 10:18     ` Nick Hu
2018-10-22 13:15       ` Mark Rutland
2018-10-18  8:43 ` [PATCH 2/5] nds32: Fix bug in bitfield.h Nickhu
2018-10-18 14:26   ` Mark Rutland
2018-10-22 10:19     ` Nick Hu [this message]
2018-10-18  8:43 ` [PATCH 3/5] nds32: Add perf call-graph support Nickhu
2018-10-18  8:43 ` [PATCH 4/5] nds32: Fix perf multiple events map to same counter Nickhu
2018-10-18 14:29   ` Mark Rutland
2018-10-22 10:20     ` Nick Hu
2018-10-18  8:43 ` [PATCH 5/5] nds32: Add document for NDS32 PMU Nickhu
2018-10-18 14:31   ` Mark Rutland
2018-10-22 10:23     ` Nick Hu
2018-10-22 13:17       ` Mark Rutland

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