powerpc/powernv/vas: Use DEFINE_SHOW_ATTRIBUTE macro

Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/platforms/powernv/vas-debug.c b/arch/powerpc/platforms/powernv/vas-debug.c
index 4f7276ebdf9ccbd472ca182646295209ad75f45f..4d3929fbc08f85090503f9eefdec72c7af80e4f3 100644 (file)
--- a/arch/powerpc/platforms/powernv/vas-debug.c
+++ b/arch/powerpc/platforms/powernv/vas-debug.c
@@ -30,7 +30,7 @@ static char *cop_to_str(int cop)
        }
 }
 
-static int info_dbg_show(struct seq_file *s, void *private)
+static int info_show(struct seq_file *s, void *private)
 {
        struct vas_window *window = s->private;
 
@@ -49,17 +49,7 @@ unlock:
        return 0;
 }
 
-static int info_dbg_open(struct inode *inode, struct file *file)
-{
-       return single_open(file, info_dbg_show, inode->i_private);
-}
-
-static const struct file_operations info_fops = {
-       .open           = info_dbg_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(info);
 
 static inline void print_reg(struct seq_file *s, struct vas_window *win,
                        char *name, u32 reg)
@@ -67,7 +57,7 @@ static inline void print_reg(struct seq_file *s, struct vas_window *win,
        seq_printf(s, "0x%016llx %s\n", read_hvwc_reg(win, name, reg), name);
 }
 
-static int hvwc_dbg_show(struct seq_file *s, void *private)
+static int hvwc_show(struct seq_file *s, void *private)
 {
        struct vas_window *window = s->private;
 
@@ -115,17 +105,7 @@ unlock:
        return 0;
 }
 
-static int hvwc_dbg_open(struct inode *inode, struct file *file)
-{
-       return single_open(file, hvwc_dbg_show, inode->i_private);
-}
-
-static const struct file_operations hvwc_fops = {
-       .open           = hvwc_dbg_open,
-       .read           = seq_read,
-       .llseek         = seq_lseek,
-       .release        = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(hvwc);
 
 void vas_window_free_dbgdir(struct vas_window *window)
 {