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| author |   Vasant Hegde <hegdevasant@linux.vnet.ibm.com> | 2021-09-14 15:46:30 +0530 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2022-05-22 15:59:54 +1000 |
| commit | 25e69962efdbbbd8bf52e6b4d7852c49717923a2 (patch) | |
| tree | 3ba778effcb1547843657b483dfde4a0d87a8a55 /arch/powerpc/platforms/powernv/opal-flash.c | |
| parent | powerpc/powermac: constify device_node in of_irq_parse_oldworld() (diff) | |
| download | linux-dev-25e69962efdbbbd8bf52e6b4d7852c49717923a2.tar.xz linux-dev-25e69962efdbbbd8bf52e6b4d7852c49717923a2.zip | |
powerpc/powernv/flash: Check OPAL flash calls exist before using
Currently only FSP based powernv systems supports firmware update
interfaces. Hence check that the token OPAL_FLASH_VALIDATE exists
before initalising the flash driver.
Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210914101630.30613-1-hegdevasant@linux.vnet.ibm.com
Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/platforms/powernv/opal-flash.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/powernv/opal-flash.c b/arch/powerpc/platforms/powernv/opal-flash.c index 18481a8c52fa..d5ea04e8e4c5 100644 --- a/arch/powerpc/platforms/powernv/opal-flash.c +++ b/arch/powerpc/platforms/powernv/opal-flash.c @@ -520,6 +520,10 @@ void __init opal_flash_update_init(void) { int ret; + /* Firmware update is not supported by firmware */ + if (!opal_check_token(OPAL_FLASH_VALIDATE)) + return; + /* Allocate validate image buffer */ validate_flash_data.buf = kzalloc(VALIDATE_BUF_SIZE, GFP_KERNEL); if (!validate_flash_data.buf) { |