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authorSamuel Holland <samuel@sholland.org>2018-01-24 19:41:19 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-04-23 13:37:19 +0200
commitb616cf53aa7aaf7c7e09c851807ebf1ce566e297 (patch)
tree28b6f4c5ff8f8fce2a8679d5f7a916eeb353f107 /drivers/firmware/google
parenta43eb6b3402fdfce9b4c4fc26983a2c5d14720ff (diff)
firmware: coreboot: Remove unused coreboot_table_find
Now that all users of the coreboot_table_find function have been updated to hang off the coreboot table bus instead, remove it. Signed-off-by: Samuel Holland <samuel@sholland.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/firmware/google')
-rw-r--r--drivers/firmware/google/coreboot_table.c43
-rw-r--r--drivers/firmware/google/coreboot_table.h3
2 files changed, 0 insertions, 46 deletions
diff --git a/drivers/firmware/google/coreboot_table.c b/drivers/firmware/google/coreboot_table.c
index 04fc08e81744..19db5709ae28 100644
--- a/drivers/firmware/google/coreboot_table.c
+++ b/drivers/firmware/google/coreboot_table.c
@@ -97,49 +97,6 @@ void coreboot_driver_unregister(struct coreboot_driver *driver)
}
EXPORT_SYMBOL(coreboot_driver_unregister);
-/*
- * This function parses the coreboot table for an entry that contains the base
- * address of the given entry tag. The coreboot table consists of a header
- * directly followed by a number of small, variable-sized entries, which each
- * contain an identifying tag and their length as the first two fields.
- */
-int coreboot_table_find(int tag, void *data, size_t data_size)
-{
- struct coreboot_table_header header;
- struct coreboot_table_entry entry;
- void *ptr_entry;
- int i;
-
- if (!ptr_header)
- return -EPROBE_DEFER;
-
- memcpy_fromio(&header, ptr_header, sizeof(header));
-
- if (strncmp(header.signature, "LBIO", sizeof(header.signature))) {
- pr_warn("coreboot_table: coreboot table missing or corrupt!\n");
- return -ENODEV;
- }
-
- ptr_entry = (void *)ptr_header + header.header_bytes;
-
- for (i = 0; i < header.table_entries; i++) {
- memcpy_fromio(&entry, ptr_entry, sizeof(entry));
- if (entry.tag == tag) {
- if (data_size < entry.size)
- return -EINVAL;
-
- memcpy_fromio(data, ptr_entry, entry.size);
-
- return 0;
- }
-
- ptr_entry += entry.size;
- }
-
- return -ENOENT;
-}
-EXPORT_SYMBOL(coreboot_table_find);
-
int coreboot_table_init(struct device *dev, void __iomem *ptr)
{
int i, ret;
diff --git a/drivers/firmware/google/coreboot_table.h b/drivers/firmware/google/coreboot_table.h
index 88e6a1c06028..26a3f3f3ac9c 100644
--- a/drivers/firmware/google/coreboot_table.h
+++ b/drivers/firmware/google/coreboot_table.h
@@ -69,9 +69,6 @@ int coreboot_driver_register(struct coreboot_driver *driver);
/* Unregister a driver that uses the data from a coreboot table. */
void coreboot_driver_unregister(struct coreboot_driver *driver);
-/* Retrieve coreboot table entry with tag *tag* and copy it to data */
-int coreboot_table_find(int tag, void *data, size_t data_size);
-
/* Initialize coreboot table module given a pointer to iomem */
int coreboot_table_init(struct device *dev, void __iomem *ptr);