bus: mvebu-mbus: use DEFINE_SHOW_ATTRIBUTE to simplify mvebu_{sdram/devs}_debug

Use DEFINE_SHOW_ATTRIBUTE helper macro to simplify the code.

Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Link: https://lore.kernel.org/r/20220916141244.2174005-1-liushixin2@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/bus/mvebu-mbus.c b/drivers/bus/mvebu-mbus.c
index 5dc2669432ba488b7576e5de9aa6002c8cdb5728..d51573ac525ece334737149f396f4c521500019b 100644 (file)
--- a/drivers/bus/mvebu-mbus.c
+++ b/drivers/bus/mvebu-mbus.c
@@ -466,18 +466,7 @@ static int mvebu_sdram_debug_show(struct seq_file *seq, void *v)
        struct mvebu_mbus_state *mbus = &mbus_state;
        return mbus->soc->show_cpu_target(mbus, seq, v);
 }
-
-static int mvebu_sdram_debug_open(struct inode *inode, struct file *file)
-{
-       return single_open(file, mvebu_sdram_debug_show, inode->i_private);
-}
-
-static const struct file_operations mvebu_sdram_debug_fops = {
-       .open = mvebu_sdram_debug_open,
-       .read = seq_read,
-       .llseek = seq_lseek,
-       .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(mvebu_sdram_debug);
 
 static int mvebu_devs_debug_show(struct seq_file *seq, void *v)
 {
@@ -516,18 +505,7 @@ static int mvebu_devs_debug_show(struct seq_file *seq, void *v)
 
        return 0;
 }
-
-static int mvebu_devs_debug_open(struct inode *inode, struct file *file)
-{
-       return single_open(file, mvebu_devs_debug_show, inode->i_private);
-}
-
-static const struct file_operations mvebu_devs_debug_fops = {
-       .open = mvebu_devs_debug_open,
-       .read = seq_read,
-       .llseek = seq_lseek,
-       .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(mvebu_devs_debug);
 
 /*
  * SoC-specific functions and definitions