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dmaengine: mic_x100_dma: convert to DEFINE_SHOW_ATTRIBUTE 

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Yangtao Li 2018-12-05 11:18:58 -05:00 committed by Vinod Koul
parent 8e1897bc8e
commit 0f7ab39a6b
1 changed files with 3 additions and 19 deletions
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22
drivers/dma/mic_x100_dma.c
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@ -676,7 +676,7 @@ static void mic_dma_dev_unreg(struct mic_dma_device *mic_dma_dev)
}
/* DEBUGFS CODE */
static int mic_dma_reg_seq_show(struct seq_file *s, void *pos)
static int mic_dma_reg_show(struct seq_file *s, void *pos)
{
struct mic_dma_device *mic_dma_dev = s->private;
int i, chan_num, first_chan = mic_dma_dev->start_ch;
@ -707,23 +707,7 @@ static int mic_dma_reg_seq_show(struct seq_file *s, void *pos)
return 0;
}
static int mic_dma_reg_debug_open(struct inode *inode, struct file *file)
{
return single_open(file, mic_dma_reg_seq_show, inode->i_private);
}
static int mic_dma_reg_debug_release(struct inode *inode, struct file *file)
{
return single_release(inode, file);
}
static const struct file_operations mic_dma_reg_ops = {
.owner = THIS_MODULE,
.open = mic_dma_reg_debug_open,
.read = seq_read,
.llseek = seq_lseek,
.release = mic_dma_reg_debug_release
};
DEFINE_SHOW_ATTRIBUTE(mic_dma_reg);
/* Debugfs parent dir */
static struct dentry *mic_dma_dbg;
@ -747,7 +731,7 @@ static int mic_dma_driver_probe(struct mbus_device *mbdev)
if (mic_dma_dev->dbg_dir)
debugfs_create_file("mic_dma_reg", 0444,
mic_dma_dev->dbg_dir, mic_dma_dev,
&mic_dma_reg_ops);
&mic_dma_reg_fops);
}
return 0;
}