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efi: gsmi: fix false dependency on CONFIG_EFI_VARS

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The gsmi code does not actually rely on CONFIG_EFI_VARS, since it only
uses the efivars abstraction that is included unconditionally when
CONFIG_EFI is defined. CONFIG_EFI_VARS controls the inclusion of the
code that exposes the sysfs entries, and which has been deprecated for
some time.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
This commit is contained in:
Ard Biesheuvel 2020-09-23 10:18:31 +02:00
parent 5d3c8617cc
commit 9846d86031
2 changed files with 5 additions and 5 deletions
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2
drivers/firmware/google/Kconfig
View File

@ -15,7 +15,7 @@ config GOOGLE_SMI
help
Say Y here if you want to enable SMI callbacks for Google
platforms. This provides an interface for writing to and
clearing the event log. If EFI_VARS is also enabled this
clearing the event log. If CONFIG_EFI is also enabled this
driver provides an interface for reading and writing NVRAM
variables.

8
drivers/firmware/google/gsmi.c
View File

@ -302,7 +302,7 @@ static int gsmi_exec(u8 func, u8 sub)
return rc;
}
#ifdef CONFIG_EFI_VARS
#ifdef CONFIG_EFI
static struct efivars efivars;
@ -483,7 +483,7 @@ static const struct efivar_operations efivar_ops = {
.get_next_variable = gsmi_get_next_variable,
};
#endif /* CONFIG_EFI_VARS */
#endif /* CONFIG_EFI */
static ssize_t eventlog_write(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
@ -1007,7 +1007,7 @@ static __init int gsmi_init(void)
goto out_remove_bin_file;
}
#ifdef CONFIG_EFI_VARS
#ifdef CONFIG_EFI
ret = efivars_register(&efivars, &efivar_ops, gsmi_kobj);
if (ret) {
printk(KERN_INFO "gsmi: Failed to register efivars\n");
@ -1047,7 +1047,7 @@ static void __exit gsmi_exit(void)
unregister_die_notifier(&gsmi_die_notifier);
atomic_notifier_chain_unregister(&panic_notifier_list,
&gsmi_panic_notifier);
#ifdef CONFIG_EFI_VARS
#ifdef CONFIG_EFI
efivars_unregister(&efivars);
#endif