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path: root/drivers/serial/8250_early.c
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Diffstat (limited to 'drivers/serial/8250_early.c')
-rw-r--r--drivers/serial/8250_early.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/drivers/serial/8250_early.c b/drivers/serial/8250_early.c
index 1f16de71996..38776e8b064 100644
--- a/drivers/serial/8250_early.c
+++ b/drivers/serial/8250_early.c
@@ -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);