diff options
| author |   Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2018-02-14 17:43:17 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2018-02-16 10:10:14 +0100 |
| commit | a66b86f0026b07b0ea7340e3690ac9fd5ac1499a (patch) | |
| tree | 7f679afb4254b328c8c2ae845145a1c71141ef5f /arch/x86/platform/intel-quark/imr.c | |
| parent | x86/platform/atom: Re-use DEFINE_SHOW_ATTRIBUTE() macro (diff) | |
| download | linux-dev-a66b86f0026b07b0ea7340e3690ac9fd5ac1499a.tar.xz linux-dev-a66b86f0026b07b0ea7340e3690ac9fd5ac1499a.zip | |
x86/platform/quark: Re-use DEFINE_SHOW_ATTRIBUTE() macro
...instead of open coding file operations followed by custom ->open()
callbacks per each attribute.
While here, replace permissions by explicit octal value.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20180214154317.52290-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/platform/intel-quark/imr.c')
| -rw-r--r-- | arch/x86/platform/intel-quark/imr.c | 24 |
1 files changed, 3 insertions, 21 deletions
diff --git a/arch/x86/platform/intel-quark/imr.c b/arch/x86/platform/intel-quark/imr.c index 17d6d2296e4d..49828c2707ac 100644 --- a/arch/x86/platform/intel-quark/imr.c +++ b/arch/x86/platform/intel-quark/imr.c @@ -224,25 +224,7 @@ static int imr_dbgfs_state_show(struct seq_file *s, void *unused) mutex_unlock(&idev->lock); return ret; } - -/** - * imr_state_open - debugfs open callback. - * - * @inode: pointer to struct inode. - * @file: pointer to struct file. - * @return: result of single open. - */ -static int imr_state_open(struct inode *inode, struct file *file) -{ - return single_open(file, imr_dbgfs_state_show, inode->i_private); -} - -static const struct file_operations imr_state_ops = { - .open = imr_state_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(imr_dbgfs_state); /** * imr_debugfs_register - register debugfs hooks. @@ -252,8 +234,8 @@ static const struct file_operations imr_state_ops = { */ static int imr_debugfs_register(struct imr_device *idev) { - idev->file = debugfs_create_file("imr_state", S_IFREG | S_IRUGO, NULL, - idev, &imr_state_ops); + idev->file = debugfs_create_file("imr_state", 0444, NULL, idev, + &imr_dbgfs_state_fops); return PTR_ERR_OR_ZERO(idev->file); } |