[CPUFREQ] Trivial cleanup for acpi read/write port in acpi-cpufreq.c
Small cleanup in acpi-cpufreq. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Dave Jones <davej@redhat.com>
This commit is contained in:
Родитель
4ab70df451
Коммит
4e581ff165
|
@ -126,27 +126,6 @@ static unsigned extract_freq(u32 val, struct acpi_cpufreq_data *data)
|
|||
}
|
||||
}
|
||||
|
||||
static void wrport(u16 port, u8 bit_width, u32 value)
|
||||
{
|
||||
if (bit_width <= 8)
|
||||
outb(value, port);
|
||||
else if (bit_width <= 16)
|
||||
outw(value, port);
|
||||
else if (bit_width <= 32)
|
||||
outl(value, port);
|
||||
}
|
||||
|
||||
static void rdport(u16 port, u8 bit_width, u32 * ret)
|
||||
{
|
||||
*ret = 0;
|
||||
if (bit_width <= 8)
|
||||
*ret = inb(port);
|
||||
else if (bit_width <= 16)
|
||||
*ret = inw(port);
|
||||
else if (bit_width <= 32)
|
||||
*ret = inl(port);
|
||||
}
|
||||
|
||||
struct msr_addr {
|
||||
u32 reg;
|
||||
};
|
||||
|
@ -177,7 +156,9 @@ static void do_drv_read(struct drv_cmd *cmd)
|
|||
rdmsr(cmd->addr.msr.reg, cmd->val, h);
|
||||
break;
|
||||
case SYSTEM_IO_CAPABLE:
|
||||
rdport(cmd->addr.io.port, cmd->addr.io.bit_width, &cmd->val);
|
||||
acpi_os_read_port((acpi_io_address)cmd->addr.io.port,
|
||||
&cmd->val,
|
||||
(u32)cmd->addr.io.bit_width);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
|
@ -193,7 +174,9 @@ static void do_drv_write(struct drv_cmd *cmd)
|
|||
wrmsr(cmd->addr.msr.reg, cmd->val, h);
|
||||
break;
|
||||
case SYSTEM_IO_CAPABLE:
|
||||
wrport(cmd->addr.io.port, cmd->addr.io.bit_width, cmd->val);
|
||||
acpi_os_write_port((acpi_io_address)cmd->addr.io.port,
|
||||
cmd->val,
|
||||
(u32)cmd->addr.io.bit_width);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
|
|
Загрузка…
Ссылка в новой задаче