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| author | Mika Westerberg <mika.westerberg@linux.intel.com> | 2011-11-10 13:18:09 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-11-15 15:50:30 -0800 |
| commit | b82e324b3c46a554595c12b45465d1943a57326c (patch) | |
| tree | dd74e36cd1d04948ee76dcfbdb9894190e689a40 /drivers/tty/serial | |
| parent | 66ef27c3fd0e91038029054c862c9439be5137c1 (diff) | |
| download | linux-3.10-b82e324b3c46a554595c12b45465d1943a57326c.tar.gz linux-3.10-b82e324b3c46a554595c12b45465d1943a57326c.tar.bz2 linux-3.10-b82e324b3c46a554595c12b45465d1943a57326c.zip | |
serial, mfd: don't hardcode the console
Add support to specify which HSU port to use as an early console. This can
be selected by passing "earlyprintk=hsu<n>" on the kernel command line. By
default port 0 is still used.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/tty/serial')
| -rw-r--r-- | drivers/tty/serial/mfd.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/tty/serial/mfd.c b/drivers/tty/serial/mfd.c index 286c386d9c4..565f3fe3dd7 100644 --- a/drivers/tty/serial/mfd.c +++ b/drivers/tty/serial/mfd.c @@ -1156,7 +1156,6 @@ serial_hsu_console_setup(struct console *co, char *options) int bits = 8; int parity = 'n'; int flow = 'n'; - int ret; if (co->index == -1 || co->index >= serial_hsu_reg.nr) co->index = 0; @@ -1167,9 +1166,7 @@ serial_hsu_console_setup(struct console *co, char *options) if (options) uart_parse_options(options, &baud, &parity, &bits, &flow); - ret = uart_set_options(&up->port, co, baud, parity, bits, flow); - - return ret; + return uart_set_options(&up->port, co, baud, parity, bits, flow); } static struct console serial_hsu_console = { @@ -1178,9 +1175,13 @@ static struct console serial_hsu_console = { .device = uart_console_device, .setup = serial_hsu_console_setup, .flags = CON_PRINTBUFFER, - .index = 2, + .index = -1, .data = &serial_hsu_reg, }; + +#define SERIAL_HSU_CONSOLE (&serial_hsu_console) +#else +#define SERIAL_HSU_CONSOLE NULL #endif struct uart_ops serial_hsu_pops = { @@ -1210,6 +1211,7 @@ static struct uart_driver serial_hsu_reg = { .major = TTY_MAJOR, .minor = 128, .nr = 3, + .cons = SERIAL_HSU_CONSOLE, }; #ifdef CONFIG_PM @@ -1344,12 +1346,6 @@ static int serial_hsu_probe(struct pci_dev *pdev, } uart_add_one_port(&serial_hsu_reg, &uport->port); -#ifdef CONFIG_SERIAL_MFD_HSU_CONSOLE - if (index == 2) { - register_console(&serial_hsu_console); - uport->port.cons = &serial_hsu_console; - } -#endif pci_set_drvdata(pdev, uport); } |