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staging: pi433: use DEFINE_SHOW_ATTRIBUTE to simplify pi433_debugfs_regs

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Use DEFINE_SHOW_ATTRIBUTE helper macro to simplify the code.
No functional change.

Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Link: https://lore.kernel.org/r/20220922142548.3248951-1-liushixin2@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Liu Shixin 2022-09-22 22:25:48 +08:00 committed by Greg Kroah-Hartman
parent 2851349ac3
commit 9fabdbe8bc
1 changed files with 2 additions and 14 deletions
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16
drivers/staging/pi433/pi433_if.c
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@ -1149,19 +1149,7 @@ out_unlock:
return ret;
}
static int pi433_debugfs_regs_open(struct inode *inode, struct file *filp)
{
return single_open(filp, pi433_debugfs_regs_show, inode->i_private);
}
static const struct file_operations debugfs_fops = {
.llseek = seq_lseek,
.open = pi433_debugfs_regs_open,
.owner = THIS_MODULE,
.read = seq_read,
.release = single_release
};
DEFINE_SHOW_ATTRIBUTE(pi433_debugfs_regs);
/*-------------------------------------------------------------------------*/
@ -1320,7 +1308,7 @@ static int pi433_probe(struct spi_device *spi)
entry = debugfs_create_dir(dev_name(device->dev),
debugfs_lookup(KBUILD_MODNAME, NULL));
debugfs_create_file("regs", 0400, entry, device, &debugfs_fops);
debugfs_create_file("regs", 0400, entry, device, &pi433_debugfs_regs_fops);
return 0;