[PATCH 4/5] firmware: coreboot: Remove unused coreboot_table_find

From: Samuel Holland
Date: Wed Jan 24 2018 - 20:42:26 EST


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@xxxxxxxxxxxx>
---
drivers/firmware/google/coreboot_table.c | 43 --------------------------------
drivers/firmware/google/coreboot_table.h | 3 ---
2 files changed, 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);

--
2.13.6