[ARM] omap: improve is_omap_port()
Make is_omap_port() take the uart_8250_port structure so it can do
whatever test it desires. Convert the test to compare the physical
addresses rather than virtual addresses.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/plat-omap/include/mach/serial.h b/arch/arm/plat-omap/include/mach/serial.h
index cc6bfa5..515b89b 100644
--- a/arch/arm/plat-omap/include/mach/serial.h
+++ b/arch/arm/plat-omap/include/mach/serial.h
@@ -26,12 +26,12 @@
#define OMAP1510_BASE_BAUD (12000000/16)
#define OMAP16XX_BASE_BAUD (48000000/16)
-#define is_omap_port(p) ({int __ret = 0; \
- if (p == IO_ADDRESS(OMAP_UART1_BASE) || \
- p == IO_ADDRESS(OMAP_UART2_BASE) || \
- p == IO_ADDRESS(OMAP_UART3_BASE)) \
- __ret = 1; \
- __ret; \
+#define is_omap_port(pt) ({int __ret = 0; \
+ if ((pt)->port.mapbase == OMAP_UART1_BASE || \
+ (pt)->port.mapbase == OMAP_UART2_BASE || \
+ (pt)->port.mapbase == OMAP_UART3_BASE) \
+ __ret = 1; \
+ __ret; \
})
#endif
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 9ccc563..47a6096 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -2213,7 +2213,7 @@
#ifdef CONFIG_ARCH_OMAP15XX
/* Workaround to enable 115200 baud on OMAP1510 internal ports */
- if (cpu_is_omap1510() && is_omap_port((unsigned int)up->port.membase)) {
+ if (cpu_is_omap1510() && is_omap_port(up)) {
if (baud == 115200) {
quot = 1;
serial_out(up, UART_OMAP_OSC_12M_SEL, 1);