linux-kernel - [PATCH] drm/i915: i915_pmu: Use sysfs

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Message-ID: <20250923195051.1277855-1-madhurkumar004@gmail.com>
Date: Wed, 24 Sep 2025 01:20:51 +0530
From: Madhur Kumar <madhurkumar004@...il.com>
To: jani.nikula@...ux.intel.com
Cc: joonas.lahtinen@...ux.intel.com,
	rodrigo.vivi@...el.com,
	tursulin@...ulin.net,
	airlied@...il.com,
	simona@...ll.ch,
	intel-gfx@...ts.freedesktop.org,
	dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	Madhur Kumar <madhurkumar004@...il.com>
Subject: [PATCH] drm/i915: i915_pmu: Use sysfs_emit() instead of sprintf()

Follow the advice in Documentation/filesystems/sysfs.rst:
show() should only use sysfs_emit() or sysfs_emit_at() when formatting
the value to be returned to user space.

Signed-off-by: Madhur Kumar <madhurkumar004@...il.com>
---
 drivers/gpu/drm/i915/i915_pmu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
index 5bc696bfbb0f..d8f69bba79a9 100644
--- a/drivers/gpu/drm/i915/i915_pmu.c
+++ b/drivers/gpu/drm/i915/i915_pmu.c
@@ -895,7 +895,7 @@ static ssize_t i915_pmu_format_show(struct device *dev,
 	struct i915_str_attribute *eattr;
 
 	eattr = container_of(attr, struct i915_str_attribute, attr);
-	return sprintf(buf, "%s\n", eattr->str);
+	return sysfs_emit(buf, "%s\n", eattr->str);
 }
 
 #define I915_PMU_FORMAT_ATTR(_name, _config) \
@@ -925,7 +925,7 @@ static ssize_t i915_pmu_event_show(struct device *dev,
 	struct i915_ext_attribute *eattr;
 
 	eattr = container_of(attr, struct i915_ext_attribute, attr);
-	return sprintf(buf, "config=0x%lx\n", eattr->val);
+	return sysfs_emit(buf, "config=0x%lx\n", eattr->val);
 }
 
 #define __event(__counter, __name, __unit) \
-- 
2.51.0