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some cleanups

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This commit is contained in:
Stefan Lankes 2014-12-19 21:50:26 +01:00
parent 44cc72b94e
commit dc8232374f
1 changed files with 1 additions and 12 deletions
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13
arch/x86/kernel/uart.c
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@ -32,7 +32,6 @@
#include <asm/page.h>
#include <asm/uart.h>
#include <asm/irq.h>
#include <asm/irqflags.h>
#ifdef CONFIG_PCI
#include <asm/pci.h>
#endif
@ -97,32 +96,22 @@ static mailbox_uint8_t input_queue;
static inline unsigned char read_from_uart(uint32_t off)
{
uint8_t c, flag;
flag = irq_nested_disable();
uint8_t c;
if (mmio)
c = *((const volatile unsigned char*) (iobase + off));
else
c = inportb(iobase + off);
irq_nested_enable(flag);
return c;
}
static void write_to_uart(uint32_t off, unsigned char c)
{
uint8_t flag;
flag = irq_nested_disable();
if (mmio)
*((volatile unsigned char*) (iobase + off)) = c;
else
outportb(iobase + off, c);
irq_nested_enable(flag);
}