Remove macros IO_READ_PROTO and IO_WRITE_PROTO

Signed-off-by: Nutan Shinde <nutanshinde1992@gmail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
diff --git a/hw/audio/es1370.c b/hw/audio/es1370.c
index 8e7bcf5..592578b 100644
--- a/hw/audio/es1370.c
+++ b/hw/audio/es1370.c
@@ -157,11 +157,6 @@
 #define DAC2_CHANNEL 1
 #define ADC_CHANNEL 2
 
-#define IO_READ_PROTO(n) \
-static uint32_t n (void *opaque, uint32_t addr)
-#define IO_WRITE_PROTO(n) \
-static void n (void *opaque, uint32_t addr, uint32_t val)
-
 static void es1370_dac1_callback (void *opaque, int free);
 static void es1370_dac2_callback (void *opaque, int free);
 static void es1370_adc_callback (void *opaque, int avail);
@@ -474,7 +469,7 @@
     return addr;
 }
 
-IO_WRITE_PROTO (es1370_writeb)
+static void es1370_writeb(void *opaque, uint32_t addr, uint32_t val)
 {
     ES1370State *s = opaque;
     uint32_t shift, mask;
@@ -512,7 +507,7 @@
     }
 }
 
-IO_WRITE_PROTO (es1370_writew)
+static void es1370_writew(void *opaque, uint32_t addr, uint32_t val)
 {
     ES1370State *s = opaque;
     addr = es1370_fixup (s, addr);
@@ -549,7 +544,7 @@
     }
 }
 
-IO_WRITE_PROTO (es1370_writel)
+static void es1370_writel(void *opaque, uint32_t addr, uint32_t val)
 {
     ES1370State *s = opaque;
     struct chan *d = &s->chan[0];
@@ -615,7 +610,7 @@
     }
 }
 
-IO_READ_PROTO (es1370_readb)
+static uint32_t es1370_readb(void *opaque, uint32_t addr)
 {
     ES1370State *s = opaque;
     uint32_t val;
@@ -650,7 +645,7 @@
     return val;
 }
 
-IO_READ_PROTO (es1370_readw)
+static uint32_t es1370_readw(void *opaque, uint32_t addr)
 {
     ES1370State *s = opaque;
     struct chan *d = &s->chan[0];
@@ -692,7 +687,7 @@
     return val;
 }
 
-IO_READ_PROTO (es1370_readl)
+static uint32_t es1370_readl(void *opaque, uint32_t addr)
 {
     ES1370State *s = opaque;
     uint32_t val;