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pch_uart: Add Kontron COMe-mTT10 uart clock quirk

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Add UART clock quirk for the Kontron COMe-mTT10 module.

The board has previously been called nanoETXexpress-TT, therefore this
is also checked.

As suggested by Darren Hart the comparison in this patch version is
placed after the FRI2 checks to ensure it will also work with possible
upcoming changes to the FRI2 firmware.

This patch follows the patchset submitted by Darren Hart at
commit a46f5533ec.

Signed-off-by: Michael Brunner <mibru@gmx.de>
Acked-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michael Brunner 2012-03-23 11:06:37 +01:00 committed by Greg Kroah-Hartman
parent 867c902e07
commit 11bbd5b6da
1 changed files with 7 additions and 0 deletions
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7
drivers/tty/serial/pch_uart.c
View File

@ -210,6 +210,7 @@ enum {
#define CMITC_UARTCLK 192000000 /* 192.0000 MHz */
#define FRI2_64_UARTCLK 64000000 /* 64.0000 MHz */
#define FRI2_48_UARTCLK 48000000 /* 48.0000 MHz */
#define NTC1_UARTCLK 64000000 /* 64.0000 MHz */
struct pch_uart_buffer {
unsigned char *buf;
@ -388,6 +389,12 @@ static int pch_uart_get_uartclk(void)
if (cmp && strstr(cmp, "Fish River Island II"))
return FRI2_48_UARTCLK;
/* Kontron COMe-mTT10 (nanoETXexpress-TT) */
cmp = dmi_get_system_info(DMI_BOARD_NAME);
if (cmp && (strstr(cmp, "COMe-mTT") ||
strstr(cmp, "nanoETXexpress-TT")))
return NTC1_UARTCLK;
return DEFAULT_UARTCLK;
}