debugfs: print_regs32: make regs array a const pointer

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

fs/debugfs/file.c

@@ -548,7 +548,7 @@ EXPORT_SYMBOL_GPL(debugfs_create_blob);
  * because some peripherals have several blocks of identical registers,
  * for example configuration of dma channels
  */
-int debugfs_print_regs32(struct seq_file *s, struct debugfs_reg32 *regs,
+int debugfs_print_regs32(struct seq_file *s, const struct debugfs_reg32 *regs,
 			   int nregs, void __iomem *base, char *prefix)
 {
 	int i, ret = 0;

include/linux/debugfs.h

@@ -90,7 +90,7 @@ struct dentry *debugfs_create_regset32(const char *name, mode_t mode,
 				     struct dentry *parent,
 				     struct debugfs_regset32 *regset);
 
-int debugfs_print_regs32(struct seq_file *s, struct debugfs_reg32 *regs,
+int debugfs_print_regs32(struct seq_file *s, const struct debugfs_reg32 *regs,
 			 int nregs, void __iomem *base, char *prefix);
 
 bool debugfs_initialized(void);