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| author | Mark Brown <broonie@kernel.org> | 2021-09-01 17:30:37 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-09-01 17:30:37 +0100 |
| commit | 0f2ef911de0bdf3a0ea1d9b28e9126d3e018bbd5 (patch) | |
| tree | 7d0bc8977cc78fcf949e0b6635a0635841ff0297 /drivers/firmware/efi/efi.c | |
| parent | 222039a2503e0839f859e18e6f09acb9997480d1 (diff) | |
| parent | 38b7673000949ca784fcb8a9feb70d2a802befa6 (diff) | |
| download | linux-next-0f2ef911de0bdf3a0ea1d9b28e9126d3e018bbd5.tar.gz linux-next-0f2ef911de0bdf3a0ea1d9b28e9126d3e018bbd5.zip | |
Merge tag 'asoc-v5.15' into asoc-5.15
ASoC: Updates for v5.15
Quite a quiet release this time, mostly a combination of cleanups
and a good set of new drivers.
- Lots of cleanups and improvements to the Intel drivers,
including some new systems support.
- New support for AMD Vangoh, CUI CMM-4030D-261, Mediatek
Mt8195, Renesas RZ/G2L Mediatek Mt8195, RealTek RT101P,
Renesas RZ/G2L,, Rockchip RK3568 S/PDIF.
Diffstat (limited to 'drivers/firmware/efi/efi.c')
| -rw-r--r-- | drivers/firmware/efi/efi.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c index 4b7ee3fa9224..847f33ffc4ae 100644 --- a/drivers/firmware/efi/efi.c +++ b/drivers/firmware/efi/efi.c @@ -896,6 +896,7 @@ static int __init efi_memreserve_map_root(void) static int efi_mem_reserve_iomem(phys_addr_t addr, u64 size) { struct resource *res, *parent; + int ret; res = kzalloc(sizeof(struct resource), GFP_ATOMIC); if (!res) @@ -908,7 +909,17 @@ static int efi_mem_reserve_iomem(phys_addr_t addr, u64 size) /* we expect a conflict with a 'System RAM' region */ parent = request_resource_conflict(&iomem_resource, res); - return parent ? request_resource(parent, res) : 0; + ret = parent ? request_resource(parent, res) : 0; + + /* + * Given that efi_mem_reserve_iomem() can be called at any + * time, only call memblock_reserve() if the architecture + * keeps the infrastructure around. + */ + if (IS_ENABLED(CONFIG_ARCH_KEEP_MEMBLOCK) && !ret) + memblock_reserve(addr, size); + + return ret; } int __ref efi_mem_reserve_persistent(phys_addr_t addr, u64 size) |
