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device/pci_rom: Add simple pci_rom_free() 

It adds simple function, which frees the memory which
could be allocated by pci_rom_probe(). In the next step
it will be modified to free only memory, which was mapped
from CBFS.

BUG=b:278264488
TEST=Build and run with additional debug prints added
to confirm that data are correctly unmapped

Change-Id: Ibc9aad34b6bf101a3a0c06b92ed2dc6f2d7b9b33
Signed-off-by: Grzegorz Bernacki <bernacki@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74778
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Reviewed-by: Himanshu Sahdev <himanshu.sahdev@intel.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Grzegorz Bernacki 2023-04-25 15:33:34 +00:00 committed by Martin L Roth
parent d34dbe5888
commit e6b4597fef
1 changed files with 6 additions and 0 deletions
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6
src/include/device/pci_rom.h
View File

@ -5,6 +5,7 @@
#include <endian.h>
#include <acpi/acpi.h>
#include <cbfs.h>
#include <stdint.h>
#define PCI_ROM_HDR 0xAA55
@ -42,6 +43,11 @@ struct rom_header *pci_rom_probe(const struct device *dev);
struct rom_header *pci_rom_load(struct device *dev,
struct rom_header *rom_header);
static inline void pci_rom_free(struct rom_header *rom_header)
{
cbfs_unmap(rom_header);
}
unsigned long
pci_rom_write_acpi_tables(const struct device *device,
unsigned long current,