[PATCH] drm/i915: add \n to the end of sysfs attributes

[PATCH] drm/i915: add \n to the end of sysfs attributes

[Jani Nikula]

It is customary to end sysfs attributes with a newline.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
 drivers/gpu/drm/i915/i915_sysfs.c |   16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_sysfs.c b/drivers/gpu/drm/i915/i915_sysfs.c
index 9462081..a3a3e22 100644
--- a/drivers/gpu/drm/i915/i915_sysfs.c
+++ b/drivers/gpu/drm/i915/i915_sysfs.c
@@ -49,7 +49,7 @@ static ssize_t
 show_rc6_mask(struct device *kdev, struct device_attribute *attr, char *buf)
 {
 	struct drm_minor *dminor = container_of(kdev, struct drm_minor, kdev);
-	return snprintf(buf, PAGE_SIZE, "%x", intel_enable_rc6(dminor->dev));
+	return snprintf(buf, PAGE_SIZE, "%x\n", intel_enable_rc6(dminor->dev));
 }
 
 static ssize_t
@@ -57,7 +57,7 @@ show_rc6_ms(struct device *kdev, struct device_attribute *attr, char *buf)
 {
 	struct drm_minor *dminor = container_of(kdev, struct drm_minor, kdev);
 	u32 rc6_residency = calc_residency(dminor->dev, GEN6_GT_GFX_RC6);
-	return snprintf(buf, PAGE_SIZE, "%u", rc6_residency);
+	return snprintf(buf, PAGE_SIZE, "%u\n", rc6_residency);
 }
 
 static ssize_t
@@ -65,7 +65,7 @@ show_rc6p_ms(struct device *kdev, struct device_attribute *attr, char *buf)
 {
 	struct drm_minor *dminor = container_of(kdev, struct drm_minor, kdev);
 	u32 rc6p_residency = calc_residency(dminor->dev, GEN6_GT_GFX_RC6p);
-	return snprintf(buf, PAGE_SIZE, "%u", rc6p_residency);
+	return snprintf(buf, PAGE_SIZE, "%u\n", rc6p_residency);
 }
 
 static ssize_t
@@ -73,7 +73,7 @@ show_rc6pp_ms(struct device *kdev, struct device_attribute *attr, char *buf)
 {
 	struct drm_minor *dminor = container_of(kdev, struct drm_minor, kdev);
 	u32 rc6pp_residency = calc_residency(dminor->dev, GEN6_GT_GFX_RC6pp);
-	return snprintf(buf, PAGE_SIZE, "%u", rc6pp_residency);
+	return snprintf(buf, PAGE_SIZE, "%u\n", rc6pp_residency);
 }
 
 static DEVICE_ATTR(rc6_enable, S_IRUGO, show_rc6_mask, NULL);
@@ -215,7 +215,7 @@ static ssize_t gt_cur_freq_mhz_show(struct device *kdev,
 	ret = dev_priv->rps.cur_delay * GT_FREQUENCY_MULTIPLIER;
 	mutex_unlock(&dev_priv->rps.hw_lock);
 
-	return snprintf(buf, PAGE_SIZE, "%d", ret);
+	return snprintf(buf, PAGE_SIZE, "%d\n", ret);
 }
 
 static ssize_t gt_max_freq_mhz_show(struct device *kdev, struct device_attribute *attr, char *buf)
@@ -229,7 +229,7 @@ static ssize_t gt_max_freq_mhz_show(struct device *kdev, struct device_attribute
 	ret = dev_priv->rps.max_delay * GT_FREQUENCY_MULTIPLIER;
 	mutex_unlock(&dev_priv->rps.hw_lock);
 
-	return snprintf(buf, PAGE_SIZE, "%d", ret);
+	return snprintf(buf, PAGE_SIZE, "%d\n", ret);
 }
 
 static ssize_t gt_max_freq_mhz_store(struct device *kdev,
@@ -280,7 +280,7 @@ static ssize_t gt_min_freq_mhz_show(struct device *kdev, struct device_attribute
 	ret = dev_priv->rps.min_delay * GT_FREQUENCY_MULTIPLIER;
 	mutex_unlock(&dev_priv->rps.hw_lock);
 
-	return snprintf(buf, PAGE_SIZE, "%d", ret);
+	return snprintf(buf, PAGE_SIZE, "%d\n", ret);
 }
 
 static ssize_t gt_min_freq_mhz_store(struct device *kdev,
@@ -355,7 +355,7 @@ static ssize_t gt_rp_mhz_show(struct device *kdev, struct device_attribute *attr
 	} else {
 		BUG();
 	}
-	return snprintf(buf, PAGE_SIZE, "%d", val);
+	return snprintf(buf, PAGE_SIZE, "%d\n", val);
 }
 
 static const struct attribute *gen6_attrs[] = {
-- 
1.7.9.5

Re: [PATCH] drm/i915: add \n to the end of sysfs attributes

[Ben Widawsky]

On Thu, Feb 14, 2013 at 10:42:11AM +0200, Jani Nikula wrote:
> It is customary to end sysfs attributes with a newline.
> 

As best I can tell, you are correct. Have you tested powertop with this
change? If not, can you?

> Signed-off-by: Jani Nikula <jani.nikula@intel.com>
[snip]

-- 
Ben Widawsky, Intel Open Source Technology Center

Re: [PATCH] drm/i915: add \n to the end of sysfs attributes

[Jani Nikula]

On Thu, 14 Feb 2013, Ben Widawsky <ben@bwidawsk.net> wrote:
> On Thu, Feb 14, 2013 at 10:42:11AM +0200, Jani Nikula wrote:
>> It is customary to end sysfs attributes with a newline.
>> 
>
> As best I can tell, you are correct. Have you tested powertop with this
> change? If not, can you?

Good point. Tested, and eyeballed the powertop sysfs reading code. This
should be all right.

BR,
Jani.

Re: [PATCH] drm/i915: add \n to the end of sysfs attributes

[Daniel Vetter]

On Tue, Feb 19, 2013 at 12:33:14PM +0200, Jani Nikula wrote:
> On Thu, 14 Feb 2013, Ben Widawsky <ben@bwidawsk.net> wrote:
> > On Thu, Feb 14, 2013 at 10:42:11AM +0200, Jani Nikula wrote:
> >> It is customary to end sysfs attributes with a newline.
> >> 
> >
> > As best I can tell, you are correct. Have you tested powertop with this
> > change? If not, can you?
> 
> Good point. Tested, and eyeballed the powertop sysfs reading code. This
> should be all right.

Patche queued for next, thanks.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch