We already have the DEFINE_SHOW_ATTRIBUTE,There is no need to define such a macro,so remove DBGFS_FUNC_DECL.Also use macro to simplify some code. Signed-off-by: Yangtao Li <tiny.windzz@xxxxxxxxx> --- drivers/dma/amba-pl08x.c | 14 ++------------ drivers/dma/mic_x100_dma.c | 22 +++------------------- drivers/dma/pxa_dma.c | 24 ++++++++++++------------ drivers/dma/qcom/hidma_dbg.c | 33 ++++++--------------------------- 4 files changed, 23 insertions(+), 70 deletions(-) diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c index 97483df1f82e..fc8c2bab563c 100644 --- a/drivers/dma/amba-pl08x.c +++ b/drivers/dma/amba-pl08x.c @@ -2505,24 +2505,14 @@ static int pl08x_debugfs_show(struct seq_file *s, void *data) return 0; } -static int pl08x_debugfs_open(struct inode *inode, struct file *file) -{ - return single_open(file, pl08x_debugfs_show, inode->i_private); -} - -static const struct file_operations pl08x_debugfs_operations = { - .open = pl08x_debugfs_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(pl08x_debugfs); static void init_pl08x_debugfs(struct pl08x_driver_data *pl08x) { /* Expose a simple debugfs interface to view all clocks */ (void) debugfs_create_file(dev_name(&pl08x->adev->dev), S_IFREG | S_IRUGO, NULL, pl08x, - &pl08x_debugfs_operations); + &pl08x_debugfs_fops); } #else diff --git a/drivers/dma/mic_x100_dma.c b/drivers/dma/mic_x100_dma.c index adfd316db1a8..6a91e28d537d 100644 --- a/drivers/dma/mic_x100_dma.c +++ b/drivers/dma/mic_x100_dma.c @@ -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; } diff --git a/drivers/dma/pxa_dma.c b/drivers/dma/pxa_dma.c index 825725057e00..8e1e1b07d32f 100644 --- a/drivers/dma/pxa_dma.c +++ b/drivers/dma/pxa_dma.c @@ -189,7 +189,7 @@ bool pxad_filter_fn(struct dma_chan *chan, void *param); #include <linux/uaccess.h> #include <linux/seq_file.h> -static int dbg_show_requester_chan(struct seq_file *s, void *p) +static int requester_chan_show(struct seq_file *s, void *p) { struct pxad_phy *phy = s->private; int i; @@ -220,7 +220,7 @@ static int is_phys_valid(unsigned long addr) #define PXA_DCSR_STR(flag) (dcsr & PXA_DCSR_##flag ? #flag" " : "") #define PXA_DCMD_STR(flag) (dcmd & PXA_DCMD_##flag ? #flag" " : "") -static int dbg_show_descriptors(struct seq_file *s, void *p) +static int descriptors_show(struct seq_file *s, void *p) { struct pxad_phy *phy = s->private; int i, max_show = 20, burst, width; @@ -263,7 +263,7 @@ static int dbg_show_descriptors(struct seq_file *s, void *p) return 0; } -static int dbg_show_chan_state(struct seq_file *s, void *p) +static int chan_state_show(struct seq_file *s, void *p) { struct pxad_phy *phy = s->private; u32 dcsr, dcmd; @@ -306,7 +306,7 @@ static int dbg_show_chan_state(struct seq_file *s, void *p) return 0; } -static int dbg_show_state(struct seq_file *s, void *p) +static int state_show(struct seq_file *s, void *p) { struct pxad_device *pdev = s->private; @@ -329,10 +329,10 @@ static const struct file_operations dbg_fops_##name = { \ .release = single_release, \ } -DBGFS_FUNC_DECL(state); -DBGFS_FUNC_DECL(chan_state); -DBGFS_FUNC_DECL(descriptors); -DBGFS_FUNC_DECL(requester_chan); +DEFINE_SHOW_ATTRIBUTE(state); +DEFINE_SHOW_ATTRIBUTE(chan_state); +DEFINE_SHOW_ATTRIBUTE(descriptors); +DEFINE_SHOW_ATTRIBUTE(requester_chan); static struct dentry *pxad_dbg_alloc_chan(struct pxad_device *pdev, int ch, struct dentry *chandir) @@ -348,13 +348,13 @@ static struct dentry *pxad_dbg_alloc_chan(struct pxad_device *pdev, if (chan) chan_state = debugfs_create_file("state", 0400, chan, dt, - &dbg_fops_chan_state); + &chan_state_fops); if (chan_state) chan_descr = debugfs_create_file("descriptors", 0400, chan, dt, - &dbg_fops_descriptors); + &descriptors_fops); if (chan_descr) chan_reqs = debugfs_create_file("requesters", 0400, chan, dt, - &dbg_fops_requester_chan); + &requester_chan_fops); if (!chan_reqs) goto err_state; @@ -375,7 +375,7 @@ static void pxad_init_debugfs(struct pxad_device *pdev) goto err_root; pdev->dbgfs_state = debugfs_create_file("state", 0400, pdev->dbgfs_root, - pdev, &dbg_fops_state); + pdev, &state_fops); if (!pdev->dbgfs_state) goto err_state; diff --git a/drivers/dma/qcom/hidma_dbg.c b/drivers/dma/qcom/hidma_dbg.c index 3bdcb8056a36..9523faf7acdc 100644 --- a/drivers/dma/qcom/hidma_dbg.c +++ b/drivers/dma/qcom/hidma_dbg.c @@ -85,11 +85,11 @@ static void hidma_ll_devstats(struct seq_file *s, void *llhndl) } /* - * hidma_chan_stats: display HIDMA channel statistics + * hidma_chan_show: display HIDMA channel statistics * * Display the statistics for the current HIDMA virtual channel device. */ -static int hidma_chan_stats(struct seq_file *s, void *unused) +static int hidma_chan_show(struct seq_file *s, void *unused) { struct hidma_chan *mchan = s->private; struct hidma_desc *mdesc; @@ -117,11 +117,11 @@ static int hidma_chan_stats(struct seq_file *s, void *unused) } /* - * hidma_dma_info: display HIDMA device info + * hidma_dma_show: display HIDMA device info * * Display the info for the current HIDMA device. */ -static int hidma_dma_info(struct seq_file *s, void *unused) +static int hidma_dma_show(struct seq_file *s, void *unused) { struct hidma_dev *dmadev = s->private; resource_size_t sz; @@ -138,29 +138,8 @@ static int hidma_dma_info(struct seq_file *s, void *unused) return 0; } -static int hidma_chan_stats_open(struct inode *inode, struct file *file) -{ - return single_open(file, hidma_chan_stats, inode->i_private); -} - -static int hidma_dma_info_open(struct inode *inode, struct file *file) -{ - return single_open(file, hidma_dma_info, inode->i_private); -} - -static const struct file_operations hidma_chan_fops = { - .open = hidma_chan_stats_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static const struct file_operations hidma_dma_fops = { - .open = hidma_dma_info_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; +DEFINE_SHOW_ATTRIBUTE(hidma_chan); +DEFINE_SHOW_ATTRIBUTE(hidma_dma); void hidma_debug_uninit(struct hidma_dev *dmadev) { -- 2.17.0