i2c: ocores: Move grlib set/get functions into #ifdef CONFIG_OF block
authorAndreas Larsson <andreas@gaisler.com>
Mon, 19 Nov 2012 12:17:48 +0000 (13:17 +0100)
committerWolfram Sang <w.sang@pengutronix.de>
Thu, 22 Nov 2012 21:34:35 +0000 (22:34 +0100)
This moves the grlib set and get functions into the #ifdef CONFIG_OF block to
avoid warnings of unimplemented functions when compiling with -Wunused-function
when CONFIG_OF is not defined.

Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
drivers/i2c/busses/i2c-ocores.c

index 0ea84199b5077b7202d0fa8acb98c32e3badd906..df69598ed28e4ce80ae28bbd862277d3b7c2f2fc 100644 (file)
@@ -109,40 +109,6 @@ static inline u8 oc_getreg_32(struct ocores_i2c *i2c, int reg)
        return ioread32(i2c->base + (reg << i2c->reg_shift));
 }
 
-/* Read and write functions for the GRLIB port of the controller. Registers are
- * 32-bit big endian and the PRELOW and PREHIGH registers are merged into one
- * register. The subsequent registers has their offset decreased accordingly. */
-static u8 oc_getreg_grlib(struct ocores_i2c *i2c, int reg)
-{
-       u32 rd;
-       int rreg = reg;
-       if (reg != OCI2C_PRELOW)
-               rreg--;
-       rd = ioread32be(i2c->base + (rreg << i2c->reg_shift));
-       if (reg == OCI2C_PREHIGH)
-               return (u8)(rd >> 8);
-       else
-               return (u8)rd;
-}
-
-static void oc_setreg_grlib(struct ocores_i2c *i2c, int reg, u8 value)
-{
-       u32 curr, wr;
-       int rreg = reg;
-       if (reg != OCI2C_PRELOW)
-               rreg--;
-       if (reg == OCI2C_PRELOW || reg == OCI2C_PREHIGH) {
-               curr = ioread32be(i2c->base + (rreg << i2c->reg_shift));
-               if (reg == OCI2C_PRELOW)
-                       wr = (curr & 0xff00) | value;
-               else
-                       wr = (((u32)value) << 8) | (curr & 0xff);
-       } else {
-               wr = value;
-       }
-       iowrite32be(wr, i2c->base + (rreg << i2c->reg_shift));
-}
-
 static inline void oc_setreg(struct ocores_i2c *i2c, int reg, u8 value)
 {
        i2c->setreg(i2c, reg, value);
@@ -303,6 +269,40 @@ static struct of_device_id ocores_i2c_match[] = {
 MODULE_DEVICE_TABLE(of, ocores_i2c_match);
 
 #ifdef CONFIG_OF
+/* Read and write functions for the GRLIB port of the controller. Registers are
+ * 32-bit big endian and the PRELOW and PREHIGH registers are merged into one
+ * register. The subsequent registers has their offset decreased accordingly. */
+static u8 oc_getreg_grlib(struct ocores_i2c *i2c, int reg)
+{
+       u32 rd;
+       int rreg = reg;
+       if (reg != OCI2C_PRELOW)
+               rreg--;
+       rd = ioread32be(i2c->base + (rreg << i2c->reg_shift));
+       if (reg == OCI2C_PREHIGH)
+               return (u8)(rd >> 8);
+       else
+               return (u8)rd;
+}
+
+static void oc_setreg_grlib(struct ocores_i2c *i2c, int reg, u8 value)
+{
+       u32 curr, wr;
+       int rreg = reg;
+       if (reg != OCI2C_PRELOW)
+               rreg--;
+       if (reg == OCI2C_PRELOW || reg == OCI2C_PREHIGH) {
+               curr = ioread32be(i2c->base + (rreg << i2c->reg_shift));
+               if (reg == OCI2C_PRELOW)
+                       wr = (curr & 0xff00) | value;
+               else
+                       wr = (((u32)value) << 8) | (curr & 0xff);
+       } else {
+               wr = value;
+       }
+       iowrite32be(wr, i2c->base + (rreg << i2c->reg_shift));
+}
+
 static int ocores_i2c_of_probe(struct platform_device *pdev,
                                struct ocores_i2c *i2c)
 {