serial: Remove serial_putc_raw_dev

clang-3.8 reports that serial_putc_raw_dev in serial_ns16550.c is
unused.  Further investigation shows that we have 3 places that
implement this function and no callers, remove.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

diff --git a/arch/powerpc/cpu/mpc512x/serial.c b/arch/powerpc/cpu/mpc512x/serial.c
index 4105a28..ac77ddc 100644 (file)
--- a/arch/powerpc/cpu/mpc512x/serial.c
+++ b/arch/powerpc/cpu/mpc512x/serial.c
@@ -203,18 +203,6 @@ void serial_putc_dev(unsigned int idx, const char c)
        out_8(&psc->tfdata_8, c);
 }
 
-void serial_putc_raw_dev(unsigned int idx, const char c)
-{
-       volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
-       volatile psc512x_t *psc = (psc512x_t *) &im->psc[idx];
-
-       /* Wait for last character to go. */
-       while (!(in_be16(&psc->psc_status) & PSC_SR_TXEMP))
-               ;
-
-       out_8(&psc->tfdata_8, c);
-}
-
 void serial_puts_dev(unsigned int idx, const char *s)
 {
        while (*s)

diff --git a/arch/powerpc/cpu/mpc5xxx/serial.c b/arch/powerpc/cpu/mpc5xxx/serial.c
index cb5b0bf..bccdcf7 100644 (file)
--- a/arch/powerpc/cpu/mpc5xxx/serial.c
+++ b/arch/powerpc/cpu/mpc5xxx/serial.c
@@ -112,17 +112,6 @@ void serial_putc_dev (unsigned long dev_base, const char c)
        psc->psc_buffer_8 = c;
 }
 
-void serial_putc_raw_dev(unsigned long dev_base, const char c)
-{
-       volatile struct mpc5xxx_psc *psc = (struct mpc5xxx_psc *)dev_base;
-       /* Wait for last character to go. */
-       while (!(psc->psc_status & PSC_SR_TXEMP))
-               ;
-
-       psc->psc_buffer_8 = c;
-}
-
-
 void serial_puts_dev (unsigned long dev_base, const char *s)
 {
        while (*s) {

diff --git a/drivers/serial/serial_ns16550.c b/drivers/serial/serial_ns16550.c
index 799ef6a..fcb1e95 100644 (file)
--- a/drivers/serial/serial_ns16550.c
+++ b/drivers/serial/serial_ns16550.c
@@ -127,11 +127,6 @@ static void _serial_putc(const char c, const int port)
        NS16550_putc(PORT, c);
 }
 
-static void _serial_putc_raw(const char c, const int port)
-{
-       NS16550_putc(PORT, c);
-}
-
 static void _serial_puts(const char *s, const int port)
 {
        while (*s) {
@@ -165,12 +160,6 @@ serial_putc_dev(unsigned int dev_index,const char c)
 }
 
 static inline void
-serial_putc_raw_dev(unsigned int dev_index,const char c)
-{
-       _serial_putc_raw(c,dev_index);
-}
-
-static inline void
 serial_puts_dev(unsigned int dev_index,const char *s)
 {
        _serial_puts(s,dev_index);