Davinci: serial - remove unnecessary define

The uart pdata array is already terminated by a zero flag field.

This patch reuses this terminator and eliminates DAVINCI_MAX_NR_UARTS
definition.  This way, future platforms can have different number of uarts
initialized via davinci_serial_init().

Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

diff --git a/arch/arm/mach-davinci/include/mach/serial.h b/arch/arm/mach-davinci/include/mach/serial.h
index a584697..f6c4f34 100644 (file)
--- a/arch/arm/mach-davinci/include/mach/serial.h
+++ b/arch/arm/mach-davinci/include/mach/serial.h
@@ -13,7 +13,6 @@
 
 #include <mach/hardware.h>
 
-#define DAVINCI_MAX_NR_UARTS   3
 #define DAVINCI_UART0_BASE     (IO_PHYS + 0x20000)
 #define DAVINCI_UART1_BASE     (IO_PHYS + 0x20400)
 #define DAVINCI_UART2_BASE     (IO_PHYS + 0x20800)

diff --git a/arch/arm/mach-davinci/serial.c b/arch/arm/mach-davinci/serial.c
index 7ce5ba0..709e1a9 100644 (file)
--- a/arch/arm/mach-davinci/serial.c
+++ b/arch/arm/mach-davinci/serial.c
@@ -77,7 +77,7 @@ int __init davinci_serial_init(struct davinci_uart_config *info)
         * Make sure the serial ports are muxed on at this point.
         * You have to mux them off in device drivers later on if not needed.
         */
-       for (i = 0; i < DAVINCI_MAX_NR_UARTS; i++, p++) {
+       for (i = 0; p->flags; i++, p++) {
                if (!(info->enabled_uarts & (1 << i)))
                        continue;