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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>
hifive-unleashed-5.1
Samuel Holland 2018-01-24 19:41:19 -06:00 committed by Greg Kroah-Hartman
parent a43eb6b340
commit b616cf53aa
2 changed files with 0 additions and 46 deletions
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43
drivers/firmware/google/coreboot_table.c
View File

@ -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;

3
drivers/firmware/google/coreboot_table.h
View File

@ -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);