forked from luck/tmp_suning_uos_patched
8250_early: coding style
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
parent
355d95a1c8
commit
ce2e204f0c
|
@ -82,7 +82,8 @@ static void __init serial_putc(struct uart_port *port, int c)
|
|||
serial_out(port, UART_TX, c);
|
||||
}
|
||||
|
||||
static void __init early_serial8250_write(struct console *console, const char *s, unsigned int count)
|
||||
static void __init early_serial8250_write(struct console *console,
|
||||
const char *s, unsigned int count)
|
||||
{
|
||||
struct uart_port *port = &early_device.port;
|
||||
unsigned int ier;
|
||||
|
@ -132,7 +133,8 @@ static void __init init_port(struct early_serial8250_device *device)
|
|||
serial_out(port, UART_LCR, c & ~UART_LCR_DLAB);
|
||||
}
|
||||
|
||||
static int __init parse_options(struct early_serial8250_device *device, char *options)
|
||||
static int __init parse_options(struct early_serial8250_device *device,
|
||||
char *options)
|
||||
{
|
||||
struct uart_port *port = &device->port;
|
||||
int mmio, length;
|
||||
|
@ -145,8 +147,10 @@ static int __init parse_options(struct early_serial8250_device *device, char *op
|
|||
port->iotype = UPIO_MEM;
|
||||
port->mapbase = simple_strtoul(options + 5, &options, 0);
|
||||
#ifdef CONFIG_FIX_EARLYCON_MEM
|
||||
set_fixmap_nocache(FIX_EARLYCON_MEM_BASE, port->mapbase & PAGE_MASK);
|
||||
port->membase = (void __iomem *)__fix_to_virt(FIX_EARLYCON_MEM_BASE);
|
||||
set_fixmap_nocache(FIX_EARLYCON_MEM_BASE,
|
||||
port->mapbase & PAGE_MASK);
|
||||
port->membase =
|
||||
(void __iomem *)__fix_to_virt(FIX_EARLYCON_MEM_BASE);
|
||||
port->membase += port->mapbase & ~PAGE_MASK;
|
||||
#else
|
||||
port->membase = ioremap(port->mapbase, 64);
|
||||
|
@ -165,7 +169,8 @@ static int __init parse_options(struct early_serial8250_device *device, char *op
|
|||
} else
|
||||
return -EINVAL;
|
||||
|
||||
if ((options = strchr(options, ','))) {
|
||||
options = strchr(options, ',');
|
||||
if (options) {
|
||||
options++;
|
||||
device->baud = simple_strtoul(options, NULL, 0);
|
||||
length = min(strcspn(options, " "), sizeof(device->options));
|
||||
|
@ -179,7 +184,7 @@ static int __init parse_options(struct early_serial8250_device *device, char *op
|
|||
printk(KERN_INFO "Early serial console at %s 0x%llx (options '%s')\n",
|
||||
mmio ? "MMIO" : "I/O port",
|
||||
mmio ? (unsigned long long) port->mapbase
|
||||
: (unsigned long long) port->iobase,
|
||||
: (unsigned long long) port->iobase,
|
||||
device->options);
|
||||
return 0;
|
||||
}
|
||||
|
@ -199,7 +204,8 @@ static int __init early_serial8250_setup(char *options)
|
|||
if (device->port.membase || device->port.iobase)
|
||||
return 0;
|
||||
|
||||
if ((err = parse_options(device, options)) < 0)
|
||||
err = parse_options(device, options);
|
||||
if (err < 0)
|
||||
return err;
|
||||
|
||||
init_port(device);
|
||||
|
@ -219,7 +225,8 @@ int __init setup_early_serial8250_console(char *cmdline)
|
|||
}
|
||||
|
||||
options = strchr(cmdline, ',') + 1;
|
||||
if ((err = early_serial8250_setup(options)) < 0)
|
||||
err = early_serial8250_setup(options);
|
||||
if (err < 0)
|
||||
return err;
|
||||
|
||||
register_console(&early_serial8250_console);
|
||||
|
|
Loading…
Reference in New Issue
Block a user