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authorArd Biesheuvel <ardb@kernel.org>2020-01-23 09:14:09 +0100
committerArd Biesheuvel <ardb@kernel.org>2020-02-23 21:59:42 +0100
commite5c3b1cc99451d97ed3b94aff09817c66c040399 (patch)
tree0e283eb68071bfcdb8f23f46cee9585126765707 /drivers/firmware/efi/efi.c
parentbf67fad19e493bd3f7267b35b97b860280f87acc (diff)
downloadlinux-e5c3b1cc99451d97ed3b94aff09817c66c040399.tar.bz2
efi: Register EFI rtc platform device only when available
Drop the separate driver that registers the EFI rtc on all EFI systems that have runtime services available, and instead, move the registration into the core EFI code, and make it conditional on whether the actual time related services are available. Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Diffstat (limited to 'drivers/firmware/efi/efi.c')
-rw-r--r--drivers/firmware/efi/efi.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index abf4c02e0201..69a585106d30 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -321,6 +321,9 @@ static int __init efisubsys_init(void)
}
}
+ if (efi_rt_services_supported(EFI_RT_SUPPORTED_TIME_SERVICES))
+ platform_device_register_simple("rtc-efi", 0, NULL, 0);
+
/* We register the efi directory at /sys/firmware/efi */
efi_kobj = kobject_create_and_add("efi", firmware_kobj);
if (!efi_kobj) {