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Commit 4e581ff1 authored by Venkatesh Pallipadi's avatar Venkatesh Pallipadi Committed by Dave Jones
Browse files

[CPUFREQ] Trivial cleanup for acpi read/write port in acpi-cpufreq.c 



Small cleanup in acpi-cpufreq.

Signed-off-by: default avatarVenkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: default avatarDave Jones <davej@redhat.com>
parent 4ab70df4

arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c

+6 −23
Original line number Diff line number Diff line
@@ -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;