linux-kernel - Re: [PATCH 1/2] coresight: etb10: Refactor etb

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Date:   Thu, 16 Aug 2018 09:48:17 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     Suzuki K Poulose <Suzuki.Poulose@....com>
Cc:     linux-arm-kernel@...ts.infradead.org,
        alexander.shishkin@...ux.intel.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] coresight: etb10: Refactor etb_drvdata::mode handling

On Thu, Aug 16, 2018 at 04:13:03PM +0100, Suzuki K Poulose wrote:
> Hi Mathieu,
> 
> The patch looks good to me. One minor nit below.

You have not included any comment - did you change your mind?

> 
> On 14/08/18 23:14, Mathieu Poirier wrote:
> >This patch moves the etb_drvdata::mode from a locat_t to a simple u32,
> >as it is for the ETF and ETR drivers.  This streamlines the code and adds
> >commonality with the other drivers when dealing with similar operations.
> >
> >Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org>
> >---
> >  drivers/hwtracing/coresight/coresight-etb10.c | 62 +++++++++++++++------------
> >  1 file changed, 34 insertions(+), 28 deletions(-)
> >
> >diff --git a/drivers/hwtracing/coresight/coresight-etb10.c b/drivers/hwtracing/coresight/coresight-etb10.c
> >index 9fd77fdc1244..69287163ce4e 100644
> >--- a/drivers/hwtracing/coresight/coresight-etb10.c
> >+++ b/drivers/hwtracing/coresight/coresight-etb10.c
> 
> >@@ -488,7 +494,7 @@ static void etb_dump(struct etb_drvdata *drvdata)
> >  	unsigned long flags;
> >  	spin_lock_irqsave(&drvdata->spinlock, flags);
> >-	if (local_read(&drvdata->mode) == CS_MODE_SYSFS) {
> >+	if (drvdata->mode == CS_MODE_SYSFS) {
> >  		etb_disable_hw(drvdata);
> >  		etb_dump_hw(drvdata);
> >  		etb_enable_hw(drvdata);
> 
> Looks good to me.
> 
> Reviewed-by : Suzuki K Poulose <suzuki.poulose@....com>