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Subject[PATCH v3 5/5] drm/i915/display: Introduce DEFINE_SHOW_STORE_ATTRIBUTE for debugfs
Date
Seq introduce a new helper macro DEFINE_SHOW_STORE_ATTRIBUTE for
Read-Write file, so we apply it at drm/i915/display to reduce some
duplicated code.

Signed-off-by: Luo Jiaxing <luojiaxing@huawei.com>
---
.../gpu/drm/i915/display/intel_display_debugfs.c | 55 ++--------------------
1 file changed, 4 insertions(+), 51 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
index 0bf31f9..8bf839f 100644
--- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c
+++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c
@@ -1329,21 +1329,7 @@ static int i915_displayport_test_active_show(struct seq_file *m, void *data)
return 0;
}

-static int i915_displayport_test_active_open(struct inode *inode,
- struct file *file)
-{
- return single_open(file, i915_displayport_test_active_show,
- inode->i_private);
-}
-
-static const struct file_operations i915_displayport_test_active_fops = {
- .owner = THIS_MODULE,
- .open = i915_displayport_test_active_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = i915_displayport_test_active_write
-};
+DEFINE_SHOW_STORE_ATTRIBUTE(i915_displayport_test_active);

static int i915_displayport_test_data_show(struct seq_file *m, void *data)
{
@@ -1733,19 +1719,7 @@ static ssize_t i915_hpd_storm_ctl_write(struct file *file,
return len;
}

-static int i915_hpd_storm_ctl_open(struct inode *inode, struct file *file)
-{
- return single_open(file, i915_hpd_storm_ctl_show, inode->i_private);
-}
-
-static const struct file_operations i915_hpd_storm_ctl_fops = {
- .owner = THIS_MODULE,
- .open = i915_hpd_storm_ctl_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = i915_hpd_storm_ctl_write
-};
+DEFINE_SHOW_STORE_ATTRIBUTE(i915_hpd_storm_ctl);

static int i915_hpd_short_storm_ctl_show(struct seq_file *m, void *data)
{
@@ -1811,14 +1785,7 @@ static ssize_t i915_hpd_short_storm_ctl_write(struct file *file,
return len;
}

-static const struct file_operations i915_hpd_short_storm_ctl_fops = {
- .owner = THIS_MODULE,
- .open = i915_hpd_short_storm_ctl_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = i915_hpd_short_storm_ctl_write,
-};
+DEFINE_SHOW_STORE_ATTRIBUTE(i915_hpd_short_storm_ctl);

static int i915_drrs_ctl_set(void *data, u64 val)
{
@@ -2181,21 +2148,7 @@ static ssize_t i915_dsc_fec_support_write(struct file *file,
return len;
}

-static int i915_dsc_fec_support_open(struct inode *inode,
- struct file *file)
-{
- return single_open(file, i915_dsc_fec_support_show,
- inode->i_private);
-}
-
-static const struct file_operations i915_dsc_fec_support_fops = {
- .owner = THIS_MODULE,
- .open = i915_dsc_fec_support_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
- .write = i915_dsc_fec_support_write
-};
+DEFINE_SHOW_STORE_ATTRIBUTE(i915_dsc_fec_support);

/**
* intel_connector_debugfs_add - add i915 specific connector debugfs files
--
2.7.4
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