[U-Boot] [PATCH 11/26] x86: acpi: Remove unneeded codes

Stefan Roese sr at denx.de
Tue May 3 14:33:59 CEST 2016


Hi Bin,

only a minor nitpicking comment about the patch subject. Perhaps
its better to say:

x86: acpi: Remove unused code

On 02.05.2016 09:33, Bin Meng wrote:
> - Remove #include <> header files.
> - Remove APM_CNT register defines, which should not be here as
>    they are SMI related.
> - Remove MP_IRQ_ defines as they are duplicates of the same ones
>    in asm/mpspec.h.
> - Remove ACTL register defines, which should not be here as they
>    are chipset specific.
> - Remove functional fixed hardware defines, which are not used.
> - Remove dev_scope related defines, which are not used.
>
> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
> ---
>
>   arch/x86/include/asm/acpi_table.h | 68 ---------------------------------------
>   1 file changed, 68 deletions(-)
>
> diff --git a/arch/x86/include/asm/acpi_table.h b/arch/x86/include/asm/acpi_table.h
> index 9856fa6..e82752a 100644
> --- a/arch/x86/include/asm/acpi_table.h
> +++ b/arch/x86/include/asm/acpi_table.h
> @@ -6,11 +6,6 @@
>    * SPDX-License-Identifier: GPL-2.0+
>    */
>
> -#include <common.h>
> -#include <malloc.h>
> -#include <asm/post.h>
> -#include <linux/string.h>
> -
>   #define RSDP_SIG		"RSD PTR "	/* RSDT pointer signature */
>   #define ACPI_TABLE_CREATOR	"UBOOT   "	/* Must be 8 bytes long! */
>   #define OEM_ID			"UBOOT "	/* Must be 6 bytes long! */
> @@ -19,42 +14,6 @@
>   #define OEM_REVISION	42
>   #define ASL_COMPILER_REVISION	42
>
> -/* IO ports to generate SMIs */
> -#define APM_CNT			0xb2
> -#define APM_CNT_CST_CONTROL	0x85
> -#define APM_CNT_PST_CONTROL	0x80
> -#define APM_CNT_ACPI_DISABLE	0x1e
> -#define APM_CNT_ACPI_ENABLE	0xe1
> -#define APM_CNT_MBI_UPDATE	0xeb
> -#define APM_CNT_GNVS_UPDATE	0xea
> -#define APM_CNT_FINALIZE	0xcb
> -#define APM_CNT_LEGACY		0xcc
> -#define APM_ST			0xb3
> -
> -/* Multiple Processor Interrupts */
> -#define MP_IRQ_POLARITY_DEFAULT	0x0
> -#define MP_IRQ_POLARITY_HIGH	0x1
> -#define MP_IRQ_POLARITY_LOW	0x3
> -#define MP_IRQ_POLARITY_MASK	0x3
> -#define MP_IRQ_TRIGGER_DEFAULT	0x0
> -#define MP_IRQ_TRIGGER_EDGE	0x4
> -#define MP_IRQ_TRIGGER_LEVEL	0xc
> -#define MP_IRQ_TRIGGER_MASK	0xc
> -
> -/*
> - * Interrupt assigned for SCI in order to
> - * create the ACPI MADT IRQ override entry
> - */
> -#define ACTL		0x00
> -#define SCIS_MASK	0x07
> -#define SCIS_IRQ9	0x00
> -#define SCIS_IRQ10	0x01
> -#define SCIS_IRQ11	0x02
> -#define SCIS_IRQ20	0x04
> -#define SCIS_IRQ21	0x05
> -#define SCIS_IRQ22	0x06
> -#define SCIS_IRQ23	0x07
> -
>   #define ACPI_REV_ACPI_1_0	1
>   #define ACPI_REV_ACPI_2_0	1
>   #define ACPI_REV_ACPI_3_0	2
> @@ -105,14 +64,6 @@ enum acpi_address_space_type {
>   	ACPI_ADDRESS_SPACE_FIXED = 0x7f	/* Functional fixed hardware */
>   };
>
> -/* functional fixed hardware */
> -#define ACPI_FFIXEDHW_VENDOR_INTEL	1	/* Intel */
> -#define ACPI_FFIXEDHW_CLASS_HLT		0	/* C1 Halt */
> -#define ACPI_FFIXEDHW_CLASS_IO_HLT	1	/* C1 I/O then Halt */
> -#define ACPI_FFIXEDHW_CLASS_MWAIT	2	/* MWAIT Native C-state */
> -#define ACPI_FFIXEDHW_FLAG_HW_COORD	1	/* Hardware Coordination bit */
> -#define ACPI_FFIXEDHW_FLAG_BM_STS	2	/* BM_STS avoidance bit */
> -
>   /* Access size definitions for Generic address structure */
>   enum acpi_address_space_size {
>   	ACPI_ACCESS_SIZE_UNDEFINED = 0,	/* Undefined (legacy reasons) */
> @@ -172,25 +123,6 @@ struct acpi_madt {
>   	u32 flags;			/* Multiple APIC flags */
>   } acpi_madt_t;
>
> -enum dev_scope_type {
> -	SCOPE_PCI_ENDPOINT = 1,
> -	SCOPE_PCI_SUB = 2,
> -	SCOPE_IOAPIC = 3,
> -	SCOPE_MSI_HPET = 4
> -};
> -
> -typedef struct dev_scope {
> -	u8 type;
> -	u8 length;
> -	u8 reserved[2];
> -	u8 enumeration;
> -	u8 start_bus;
> -	struct {
> -		u8 dev;
> -		u8 fn;
> -	} path[0];
> -} __packed dev_scope_t;
> -
>   /* MADT: APIC Structure Type*/
>   enum acpi_apic_types {
>   	LOCALAPIC	= 0,	/* Processor local APIC */
>

Thanks,
Stefan


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