From: Zhang Rui <rui.zhang@intel.com> To: Dan Carpenter <dan.carpenter@oracle.com> Cc: linux-pm@vger.kernel.org, Jacob Pan <jacob.jun.pan@linux.intel.com>, Arjan van de Ven <arjan@linux.intel.com>, kernel-janitors@vger.kernel.org Subject: Re: [patch] PM: intel_powerclamp: off by one in start_power_clamp() Date: Mon, 04 Feb 2013 01:44:36 +0000 [thread overview] Message-ID: <1359942276.2250.32.camel@rzhang1-mobl4> (raw) In-Reply-To: <20130124085122.GA3547@elgon.mountain> On Thu, 2013-01-24 at 11:51 +0300, Dan Carpenter wrote: > This value has already been clamped correctly to 0 through 49 in > powerclamp_set_cur_state() so this patch doesn't actually change > anything. But we should fix it anyway for consistency. > > set_target_ratio is used as an offset into an array with > MAX_TARGET_RATIO (50) elements. > > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> applied to thermal-next. BTW, Jacob, it would be good to get your comments on this as you're the author of this driver. thanks, rui > > diff --git a/drivers/thermal/intel_powerclamp.c b/drivers/thermal/intel_powerclamp.c > index a85ff38..ab3ed90 100644 > --- a/drivers/thermal/intel_powerclamp.c > +++ b/drivers/thermal/intel_powerclamp.c > @@ -504,7 +504,7 @@ static int start_power_clamp(void) > return -EINVAL; > } > > - set_target_ratio = clamp(set_target_ratio, 0U, MAX_TARGET_RATIO); > + set_target_ratio = clamp(set_target_ratio, 0U, MAX_TARGET_RATIO - 1); > /* prevent cpu hotplug */ > get_online_cpus(); >
WARNING: multiple messages have this Message-ID (diff)
From: Zhang Rui <rui.zhang@intel.com> To: Dan Carpenter <dan.carpenter@oracle.com> Cc: linux-pm@vger.kernel.org, Jacob Pan <jacob.jun.pan@linux.intel.com>, Arjan van de Ven <arjan@linux.intel.com>, kernel-janitors@vger.kernel.org Subject: Re: [patch] PM: intel_powerclamp: off by one in start_power_clamp() Date: Mon, 04 Feb 2013 09:44:36 +0800 [thread overview] Message-ID: <1359942276.2250.32.camel@rzhang1-mobl4> (raw) In-Reply-To: <20130124085122.GA3547@elgon.mountain> On Thu, 2013-01-24 at 11:51 +0300, Dan Carpenter wrote: > This value has already been clamped correctly to 0 through 49 in > powerclamp_set_cur_state() so this patch doesn't actually change > anything. But we should fix it anyway for consistency. > > set_target_ratio is used as an offset into an array with > MAX_TARGET_RATIO (50) elements. > > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> applied to thermal-next. BTW, Jacob, it would be good to get your comments on this as you're the author of this driver. thanks, rui > > diff --git a/drivers/thermal/intel_powerclamp.c b/drivers/thermal/intel_powerclamp.c > index a85ff38..ab3ed90 100644 > --- a/drivers/thermal/intel_powerclamp.c > +++ b/drivers/thermal/intel_powerclamp.c > @@ -504,7 +504,7 @@ static int start_power_clamp(void) > return -EINVAL; > } > > - set_target_ratio = clamp(set_target_ratio, 0U, MAX_TARGET_RATIO); > + set_target_ratio = clamp(set_target_ratio, 0U, MAX_TARGET_RATIO - 1); > /* prevent cpu hotplug */ > get_online_cpus(); >
next prev parent reply other threads:[~2013-02-04 1:44 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <5100ee96.xoiaCavCYxXgoSIK%fengguang.wu@intel.com> 2013-01-24 8:51 ` [patch] PM: intel_powerclamp: off by one in start_power_clamp() Dan Carpenter 2013-01-24 8:51 ` Dan Carpenter 2013-02-04 1:44 ` Zhang Rui [this message] 2013-02-04 1:44 ` Zhang Rui
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