Remove unused header <linux/sdb.h>

Commit 6a80b30086b8 ("fmc: Delete the FMC subsystem") removed the last user
of <linux/sdb.h>, but left the header file behind.  Nothing uses this file,
delete it now.

Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Alessandro Rubini <rubini@gnudd.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Acked-by: Alessandro Rubini <rubini@gnudd.com>
Link: https://lore.kernel.org/r/20211102220203.940290-5-corbet@lwn.net
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/include/linux/sdb.h b/include/linux/sdb.h
deleted file mode 100644 (file)
index a2404a2..0000000
--- a/include/linux/sdb.h
+++ /dev/null
@@ -1,160 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * This is the official version 1.1 of sdb.h
- */
-#ifndef __SDB_H__
-#define __SDB_H__
-#ifdef __KERNEL__
-#include <linux/types.h>
-#else
-#include <stdint.h>
-#endif
-
-/*
- * All structures are 64 bytes long and are expected
- * to live in an array, one for each interconnect.
- * Most fields of the structures are shared among the
- * various types, and most-specific fields are at the
- * beginning (for alignment reasons, and to keep the
- * magic number at the head of the interconnect record
- */
-
-/* Product, 40 bytes at offset 24, 8-byte aligned
- *
- * device_id is vendor-assigned; version is device-specific,
- * date is hex (e.g 0x20120501), name is UTF-8, blank-filled
- * and not terminated with a 0 byte.
- */
-struct sdb_product {
-       uint64_t                vendor_id;      /* 0x18..0x1f */
-       uint32_t                device_id;      /* 0x20..0x23 */
-       uint32_t                version;        /* 0x24..0x27 */
-       uint32_t                date;           /* 0x28..0x2b */
-       uint8_t                 name[19];       /* 0x2c..0x3e */
-       uint8_t                 record_type;    /* 0x3f */
-};
-
-/*
- * Component, 56 bytes at offset 8, 8-byte aligned
- *
- * The address range is first to last, inclusive
- * (for example 0x100000 - 0x10ffff)
- */
-struct sdb_component {
-       uint64_t                addr_first;     /* 0x08..0x0f */
-       uint64_t                addr_last;      /* 0x10..0x17 */
-       struct sdb_product      product;        /* 0x18..0x3f */
-};
-
-/* Type of the SDB record */
-enum sdb_record_type {
-       sdb_type_interconnect   = 0x00,
-       sdb_type_device         = 0x01,
-       sdb_type_bridge         = 0x02,
-       sdb_type_integration    = 0x80,
-       sdb_type_repo_url       = 0x81,
-       sdb_type_synthesis      = 0x82,
-       sdb_type_empty          = 0xFF,
-};
-
-/* Type 0: interconnect (first of the array)
- *
- * sdb_records is the length of the table including this first
- * record, version is 1. The bus type is enumerated later.
- */
-#define                                SDB_MAGIC       0x5344422d /* "SDB-" */
-struct sdb_interconnect {
-       uint32_t                sdb_magic;      /* 0x00-0x03 */
-       uint16_t                sdb_records;    /* 0x04-0x05 */
-       uint8_t                 sdb_version;    /* 0x06 */
-       uint8_t                 sdb_bus_type;   /* 0x07 */
-       struct sdb_component    sdb_component;  /* 0x08-0x3f */
-};
-
-/* Type 1: device
- *
- * class is 0 for "custom device", other values are
- * to be standardized; ABI version is for the driver,
- * bus-specific bits are defined by each bus (see below)
- */
-struct sdb_device {
-       uint16_t                abi_class;      /* 0x00-0x01 */
-       uint8_t                 abi_ver_major;  /* 0x02 */
-       uint8_t                 abi_ver_minor;  /* 0x03 */
-       uint32_t                bus_specific;   /* 0x04-0x07 */
-       struct sdb_component    sdb_component;  /* 0x08-0x3f */
-};
-
-/* Type 2: bridge
- *
- * child is the address of the nested SDB table
- */
-struct sdb_bridge {
-       uint64_t                sdb_child;      /* 0x00-0x07 */
-       struct sdb_component    sdb_component;  /* 0x08-0x3f */
-};
-
-/* Type 0x80: integration
- *
- * all types with bit 7 set are meta-information, so
- * software can ignore the types it doesn't know. Here we
- * just provide product information for an aggregate device
- */
-struct sdb_integration {
-       uint8_t                 reserved[24];   /* 0x00-0x17 */
-       struct sdb_product      product;        /* 0x08-0x3f */
-};
-
-/* Type 0x81: Top module repository url
- *
- * again, an informative field that software can ignore
- */
-struct sdb_repo_url {
-       uint8_t                 repo_url[63];   /* 0x00-0x3e */
-       uint8_t                 record_type;    /* 0x3f */
-};
-
-/* Type 0x82: Synthesis tool information
- *
- * this informative record
- */
-struct sdb_synthesis {
-       uint8_t                 syn_name[16];   /* 0x00-0x0f */
-       uint8_t                 commit_id[16];  /* 0x10-0x1f */
-       uint8_t                 tool_name[8];   /* 0x20-0x27 */
-       uint32_t                tool_version;   /* 0x28-0x2b */
-       uint32_t                date;           /* 0x2c-0x2f */
-       uint8_t                 user_name[15];  /* 0x30-0x3e */
-       uint8_t                 record_type;    /* 0x3f */
-};
-
-/* Type 0xff: empty
- *
- * this allows keeping empty slots during development,
- * so they can be filled later with minimal efforts and
- * no misleading description is ever shipped -- hopefully.
- * It can also be used to pad a table to a desired length.
- */
-struct sdb_empty {
-       uint8_t                 reserved[63];   /* 0x00-0x3e */
-       uint8_t                 record_type;    /* 0x3f */
-};
-
-/* The type of bus, for bus-specific flags */
-enum sdb_bus_type {
-       sdb_wishbone = 0x00,
-       sdb_data     = 0x01,
-};
-
-#define SDB_WB_WIDTH_MASK      0x0f
-#define SDB_WB_ACCESS8                 0x01
-#define SDB_WB_ACCESS16                        0x02
-#define SDB_WB_ACCESS32                        0x04
-#define SDB_WB_ACCESS64                        0x08
-#define SDB_WB_LITTLE_ENDIAN   0x80
-
-#define SDB_DATA_READ          0x04
-#define SDB_DATA_WRITE         0x02
-#define SDB_DATA_EXEC          0x01
-
-#endif /* __SDB_H__ */