ASoC: fsi: Add pr_err for noticing unsupported access

This patch didn't use dev_err,
because it is difficult to get struct device here.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 18 insertions, 6 deletions

diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index 1693be477f7a..e551ca45f03e 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -161,24 +161,30 @@ static void __fsi_reg_mask_set(u32 reg, u32 mask, u32 data)
 
 static void fsi_reg_write(struct fsi_priv *fsi, u32 reg, u32 data)
 {
-        if (reg > REG_END)
+        if (reg > REG_END) {
+                pr_err("fsi: register access err (%s)\n", __func__);
                 return;
+        }
 
         __fsi_reg_write((u32)(fsi->base + reg), data);
 }
 
 static u32 fsi_reg_read(struct fsi_priv *fsi, u32 reg)
 {
-        if (reg > REG_END)
+        if (reg > REG_END) {
+                pr_err("fsi: register access err (%s)\n", __func__);
                 return 0;
+        }
 
         return __fsi_reg_read((u32)(fsi->base + reg));
 }
 
 static void fsi_reg_mask_set(struct fsi_priv *fsi, u32 reg, u32 mask, u32 data)
 {
-        if (reg > REG_END)
+        if (reg > REG_END) {
+                pr_err("fsi: register access err (%s)\n", __func__);
                 return;
+        }
 
         __fsi_reg_mask_set((u32)(fsi->base + reg), mask, data);
 }
@@ -188,8 +194,10 @@ static void fsi_master_write(struct fsi_master *master, u32 reg, u32 data)
         unsigned long flags;
 
         if ((reg < MREG_START) ||
-            (reg > MREG_END))
+            (reg > MREG_END)) {
+                pr_err("fsi: register access err (%s)\n", __func__);
                 return;
+        }
 
         spin_lock_irqsave(&master->lock, flags);
         __fsi_reg_write((u32)(master->base + reg), data);
@@ -202,8 +210,10 @@ static u32 fsi_master_read(struct fsi_master *master, u32 reg)
         unsigned long flags;
 
         if ((reg < MREG_START) ||
-            (reg > MREG_END))
+            (reg > MREG_END)) {
+                pr_err("fsi: register access err (%s)\n", __func__);
                 return 0;
+        }
 
         spin_lock_irqsave(&master->lock, flags);
         ret = __fsi_reg_read((u32)(master->base + reg));
@@ -218,8 +228,10 @@ static void fsi_master_mask_set(struct fsi_master *master,
         unsigned long flags;
 
         if ((reg < MREG_START) ||
-            (reg > MREG_END))
+            (reg > MREG_END)) {
+                pr_err("fsi: register access err (%s)\n", __func__);
                 return;
+        }
 
         spin_lock_irqsave(&master->lock, flags);
         __fsi_reg_mask_set((u32)(master->base + reg), mask, data);