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[ARM] omap: improve is_omap_port()

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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>
This commit is contained in:
Russell King 2008-09-01 21:25:33 +01:00 committed by Russell King
parent 65846909d6
commit 5668545a08
2 changed files with 7 additions and 7 deletions
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12
arch/arm/plat-omap/include/mach/serial.h
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@ -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

2
drivers/serial/8250.c
View File

@ -2213,7 +2213,7 @@ serial8250_set_termios(struct uart_port *port, struct ktermios *termios,
#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);