From e8c56f274da4d2ac8ba55e482f41b73148d5f885 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Wed, 14 Feb 2018 18:08:17 +0200 Subject: [PATCH] USB: chipidea: Re-use DEFINE_SHOW_ATTRIBUTE() macro ...instead of open coding file operations followed by custom ->open() callbacks per each attribute. Cc: Peter Chen Signed-off-by: Andy Shevchenko Signed-off-by: Greg Kroah-Hartman --- drivers/usb/chipidea/debug.c | 65 ++++---------------------------------------- 1 file changed, 5 insertions(+), 60 deletions(-) diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c index c9e1a16..ce648cb 100644 --- a/drivers/usb/chipidea/debug.c +++ b/drivers/usb/chipidea/debug.c @@ -45,18 +45,7 @@ static int ci_device_show(struct seq_file *s, void *data) return 0; } - -static int ci_device_open(struct inode *inode, struct file *file) -{ - return single_open(file, ci_device_show, inode->i_private); -} - -static const struct file_operations ci_device_fops = { - .open = ci_device_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(ci_device); /** * ci_port_test_show: reads port test mode @@ -156,18 +145,7 @@ static int ci_qheads_show(struct seq_file *s, void *data) return 0; } - -static int ci_qheads_open(struct inode *inode, struct file *file) -{ - return single_open(file, ci_qheads_show, inode->i_private); -} - -static const struct file_operations ci_qheads_fops = { - .open = ci_qheads_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(ci_qheads); /** * ci_requests_show: DMA contents of all requests currently queued (all endpts) @@ -204,18 +182,7 @@ static int ci_requests_show(struct seq_file *s, void *data) return 0; } - -static int ci_requests_open(struct inode *inode, struct file *file) -{ - return single_open(file, ci_requests_show, inode->i_private); -} - -static const struct file_operations ci_requests_fops = { - .open = ci_requests_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(ci_requests); static int ci_otg_show(struct seq_file *s, void *unused) { @@ -278,18 +245,7 @@ static int ci_otg_show(struct seq_file *s, void *unused) return 0; } - -static int ci_otg_open(struct inode *inode, struct file *file) -{ - return single_open(file, ci_otg_show, inode->i_private); -} - -static const struct file_operations ci_otg_fops = { - .open = ci_otg_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(ci_otg); static int ci_role_show(struct seq_file *s, void *data) { @@ -376,18 +332,7 @@ static int ci_registers_show(struct seq_file *s, void *unused) return 0; } - -static int ci_registers_open(struct inode *inode, struct file *file) -{ - return single_open(file, ci_registers_show, inode->i_private); -} - -static const struct file_operations ci_registers_fops = { - .open = ci_registers_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(ci_registers); /** * dbg_create_files: initializes the attribute interface -- 2.7.4