[PATCH 02/11] drm/msm/dpu: Use DEFINE_SHOW_ATTRIBUTE

[Jordan Crouse <jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>]

Use the standard DEFINE_SHOW_ATTRIBUTE macro for seq_file based
debugfs files instead of custom macros and hand-coded functions.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c | 14 +-------
 drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c     | 31 +++---------------
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c      | 34 +++-----------------
 3 files changed, 10 insertions(+), 69 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c
index 879c13fe74e0..7607aac9449c 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_core_irq.c
@@ -299,18 +299,6 @@ static void dpu_disable_all_irqs(struct dpu_kms *dpu_kms)
 }
 
 #ifdef CONFIG_DEBUG_FS
-#define DEFINE_DPU_DEBUGFS_SEQ_FOPS(__prefix)				\
-static int __prefix ## _open(struct inode *inode, struct file *file)	\
-{									\
-	return single_open(file, __prefix ## _show, inode->i_private);	\
-}									\
-static const struct file_operations __prefix ## _fops = {		\
-	.owner = THIS_MODULE,						\
-	.open = __prefix ## _open,					\
-	.release = single_release,					\
-	.read = seq_read,						\
-	.llseek = seq_lseek,						\
-}
 
 static int dpu_debugfs_core_irq_show(struct seq_file *s, void *v)
 {
@@ -341,7 +329,7 @@ static int dpu_debugfs_core_irq_show(struct seq_file *s, void *v)
 	return 0;
 }
 
-DEFINE_DPU_DEBUGFS_SEQ_FOPS(dpu_debugfs_core_irq);
+DEFINE_SHOW_ATTRIBUTE(dpu_debugfs_core_irq);
 
 int dpu_debugfs_core_irq_init(struct dpu_kms *dpu_kms,
 		struct dentry *parent)
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
index ae63590ad2d3..fb923c0c4171 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c
@@ -1232,7 +1232,7 @@ int dpu_crtc_vblank(struct drm_crtc *crtc, bool en)
 }
 
 #ifdef CONFIG_DEBUG_FS
-static int _dpu_debugfs_status_show(struct seq_file *s, void *data)
+static int dpu_crtc_debugfs_status_show(struct seq_file *s, void *data)
 {
 	struct dpu_crtc *dpu_crtc;
 	struct dpu_plane_state *pstate = NULL;
@@ -1351,23 +1351,7 @@ static int _dpu_debugfs_status_show(struct seq_file *s, void *data)
 	return 0;
 }
 
-static int _dpu_debugfs_status_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, _dpu_debugfs_status_show, inode->i_private);
-}
-
-#define DEFINE_DPU_DEBUGFS_SEQ_FOPS(__prefix)                          \
-static int __prefix ## _open(struct inode *inode, struct file *file)	\
-{									\
-	return single_open(file, __prefix ## _show, inode->i_private);	\
-}									\
-static const struct file_operations __prefix ## _fops = {		\
-	.owner = THIS_MODULE,						\
-	.open = __prefix ## _open,					\
-	.release = single_release,					\
-	.read = seq_read,						\
-	.llseek = seq_lseek,						\
-}
+DEFINE_SHOW_ATTRIBUTE(dpu_crtc_debugfs_status);
 
 static int dpu_crtc_debugfs_state_show(struct seq_file *s, void *v)
 {
@@ -1391,20 +1375,13 @@ static int dpu_crtc_debugfs_state_show(struct seq_file *s, void *v)
 
 	return 0;
 }
-DEFINE_DPU_DEBUGFS_SEQ_FOPS(dpu_crtc_debugfs_state);
+DEFINE_SHOW_ATTRIBUTE(dpu_crtc_debugfs_state);
 
 static int _dpu_crtc_init_debugfs(struct drm_crtc *crtc)
 {
 	struct dpu_crtc *dpu_crtc;
 	struct dpu_kms *dpu_kms;
 
-	static const struct file_operations debugfs_status_fops = {
-		.open =		_dpu_debugfs_status_open,
-		.read =		seq_read,
-		.llseek =	seq_lseek,
-		.release =	single_release,
-	};
-
 	if (!crtc)
 		return -EINVAL;
 	dpu_crtc = to_dpu_crtc(crtc);
@@ -1419,7 +1396,7 @@ static int _dpu_crtc_init_debugfs(struct drm_crtc *crtc)
 	/* don't error check these */
 	debugfs_create_file("status", 0400,
 			dpu_crtc->debugfs_root,
-			dpu_crtc, &debugfs_status_fops);
+			dpu_crtc, &dpu_crtc_debugfs_status_fops);
 	debugfs_create_file("state", 0600,
 			dpu_crtc->debugfs_root,
 			&dpu_crtc->base,
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index fd5bad16338d..7e3ba128cbaf 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -113,30 +113,17 @@ static int _dpu_danger_signal_status(struct seq_file *s,
 	return 0;
 }
 
-#define DEFINE_DPU_DEBUGFS_SEQ_FOPS(__prefix)				\
-static int __prefix ## _open(struct inode *inode, struct file *file)	\
-{									\
-	return single_open(file, __prefix ## _show, inode->i_private);	\
-}									\
-static const struct file_operations __prefix ## _fops = {		\
-	.owner = THIS_MODULE,						\
-	.open = __prefix ## _open,					\
-	.release = single_release,					\
-	.read = seq_read,						\
-	.llseek = seq_lseek,						\
-}
-
 static int dpu_debugfs_danger_stats_show(struct seq_file *s, void *v)
 {
 	return _dpu_danger_signal_status(s, true);
 }
-DEFINE_DPU_DEBUGFS_SEQ_FOPS(dpu_debugfs_danger_stats);
+DEFINE_SHOW_ATTRIBUTE(dpu_debugfs_danger_stats);
 
 static int dpu_debugfs_safe_stats_show(struct seq_file *s, void *v)
 {
 	return _dpu_danger_signal_status(s, false);
 }
-DEFINE_DPU_DEBUGFS_SEQ_FOPS(dpu_debugfs_safe_stats);
+DEFINE_SHOW_ATTRIBUTE(dpu_debugfs_safe_stats);
 
 static void dpu_debugfs_danger_destroy(struct dpu_kms *dpu_kms)
 {
@@ -162,7 +149,7 @@ static int dpu_debugfs_danger_init(struct dpu_kms *dpu_kms,
 	return 0;
 }
 
-static int _dpu_debugfs_show_regset32(struct seq_file *s, void *data)
+static int dpu_debugfs_regset32_show(struct seq_file *s, void *data)
 {
 	struct dpu_debugfs_regset32 *regset;
 	struct dpu_kms *dpu_kms;
@@ -212,18 +199,7 @@ static int _dpu_debugfs_show_regset32(struct seq_file *s, void *data)
 	return 0;
 }
 
-static int dpu_debugfs_open_regset32(struct inode *inode,
-		struct file *file)
-{
-	return single_open(file, _dpu_debugfs_show_regset32, inode->i_private);
-}
-
-static const struct file_operations dpu_fops_regset32 = {
-	.open =		dpu_debugfs_open_regset32,
-	.read =		seq_read,
-	.llseek =	seq_lseek,
-	.release =	single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(dpu_debugfs_regset32);
 
 void dpu_debugfs_setup_regset32(struct dpu_debugfs_regset32 *regset,
 		uint32_t offset, uint32_t length, struct dpu_kms *dpu_kms)
@@ -245,7 +221,7 @@ void *dpu_debugfs_create_regset32(const char *name, umode_t mode,
 	regset->offset = round_down(regset->offset, 4);
 
 	return debugfs_create_file(name, mode, parent,
-			regset, &dpu_fops_regset32);
+			regset, &dpu_debugfs_regset32_fops);
 }
 
 static int _dpu_debugfs_init(struct dpu_kms *dpu_kms)
-- 
2.18.0

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