* [v1,04/14] USB: gadget: bcm63xx: Re-use DEFINE_SHOW_ATTRIBUTE() macro
@ 2018-02-14 16:08 Andy Shevchenko
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From: Andy Shevchenko @ 2018-02-14 16:08 UTC (permalink / raw)
To: Felipe Balbi, linux-usb, Greg Kroah-Hartman
Cc: Andy Shevchenko, Kevin Cernekee, Florian Fainelli,
bcm-kernel-feedback-list
...instead of open coding file operations followed by custom ->open()
callbacks per each attribute.
Cc: Kevin Cernekee <cernekee@gmail.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: bcm-kernel-feedback-list@broadcom.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/usb/gadget/udc/bcm63xx_udc.c | 33 ++++-----------------------------
1 file changed, 4 insertions(+), 29 deletions(-)
diff --git a/drivers/usb/gadget/udc/bcm63xx_udc.c b/drivers/usb/gadget/udc/bcm63xx_udc.c
index 465ccd1104de..3a8df8601074 100644
--- a/drivers/usb/gadget/udc/bcm63xx_udc.c
+++ b/drivers/usb/gadget/udc/bcm63xx_udc.c
@@ -2158,6 +2158,7 @@ static int bcm63xx_usbd_dbg_show(struct seq_file *s, void *p)
return 0;
}
+DEFINE_SHOW_ATTRIBUTE(bcm63xx_usbd_dbg);
/*
* bcm63xx_iudma_dbg_show - Show IUDMA status and descriptors.
@@ -2238,33 +2239,7 @@ static int bcm63xx_iudma_dbg_show(struct seq_file *s, void *p)
return 0;
}
-
-static int bcm63xx_usbd_dbg_open(struct inode *inode, struct file *file)
-{
- return single_open(file, bcm63xx_usbd_dbg_show, inode->i_private);
-}
-
-static int bcm63xx_iudma_dbg_open(struct inode *inode, struct file *file)
-{
- return single_open(file, bcm63xx_iudma_dbg_show, inode->i_private);
-}
-
-static const struct file_operations usbd_dbg_fops = {
- .owner = THIS_MODULE,
- .open = bcm63xx_usbd_dbg_open,
- .llseek = seq_lseek,
- .read = seq_read,
- .release = single_release,
-};
-
-static const struct file_operations iudma_dbg_fops = {
- .owner = THIS_MODULE,
- .open = bcm63xx_iudma_dbg_open,
- .llseek = seq_lseek,
- .read = seq_read,
- .release = single_release,
-};
-
+DEFINE_SHOW_ATTRIBUTE(bcm63xx_iudma_dbg);
/**
* bcm63xx_udc_init_debugfs - Create debugfs entries.
@@ -2282,11 +2257,11 @@ static void bcm63xx_udc_init_debugfs(struct bcm63xx_udc *udc)
goto err_root;
usbd = debugfs_create_file("usbd", 0400, root, udc,
- &usbd_dbg_fops);
+ &bcm63xx_usbd_dbg_fops);
if (!usbd)
goto err_usbd;
iudma = debugfs_create_file("iudma", 0400, root, udc,
- &iudma_dbg_fops);
+ &bcm63xx_iudma_dbg_fops);
if (!iudma)
goto err_iudma;
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2018-02-14 16:08 [v1,04/14] USB: gadget: bcm63xx: Re-use DEFINE_SHOW_ATTRIBUTE() macro Andy Shevchenko
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