On Tue, 16 May 2023 at 22:16, Arnd Bergmann <arnd@xxxxxxxxxx> wrote: > > From: Arnd Bergmann <arnd@xxxxxxxx> > > The cper.c file needs to include an extra header, and > efi_zboot_entry needs an extern declaration to avoid these > 'make W=1' warnings: > > drivers/firmware/efi/libstub/zboot.c:65:1: error: no previous prototype for 'efi_zboot_entry' [-Werror=missing-prototypes] > drivers/firmware/efi/efi.c:176:16: error: no previous prototype for 'efi_attr_is_visible' [-Werror=missing-prototypes] > drivers/firmware/efi/cper.c:626:6: error: no previous prototype for 'cper_estatus_print' [-Werror=missing-prototypes] > drivers/firmware/efi/cper.c:649:5: error: no previous prototype for 'cper_estatus_check_header' [-Werror=missing-prototypes] > drivers/firmware/efi/cper.c:662:5: error: no previous prototype for 'cper_estatus_check' [-Werror=missing-prototypes] > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > --- > drivers/firmware/efi/cper.c | 1 + > drivers/firmware/efi/libstub/efistub.h | 3 +++ > include/linux/efi.h | 2 ++ > 3 files changed, 6 insertions(+) > > diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c > index 35c37f667781..75715c7be34a 100644 > --- a/drivers/firmware/efi/cper.c > +++ b/drivers/firmware/efi/cper.c > @@ -25,6 +25,7 @@ > #include <acpi/ghes.h> > #include <ras/ras_event.h> > #include "cper_cxl.h" > +#include "../../acpi/apei/apei-internal.h" Yuck. Could we move the missing definitions to linux/cper.h instead? > > /* > * CPER record ID need to be unique even after reboot, because record > diff --git a/drivers/firmware/efi/libstub/efistub.h b/drivers/firmware/efi/libstub/efistub.h > index 67d5a20802e0..54a2822cae77 100644 > --- a/drivers/firmware/efi/libstub/efistub.h > +++ b/drivers/firmware/efi/libstub/efistub.h > @@ -1133,4 +1133,7 @@ const u8 *__efi_get_smbios_string(const struct efi_smbios_record *record, > void efi_remap_image(unsigned long image_base, unsigned alloc_size, > unsigned long code_size); > > +asmlinkage efi_status_t __efiapi > +efi_zboot_entry(efi_handle_t handle, efi_system_table_t *systab); > + > #endif > diff --git a/include/linux/efi.h b/include/linux/efi.h > index 7aa62c92185f..571d1a6e1b74 100644 > --- a/include/linux/efi.h > +++ b/include/linux/efi.h > @@ -1338,4 +1338,6 @@ bool efi_config_table_is_usable(const efi_guid_t *guid, unsigned long table) > return xen_efi_config_table_is_usable(guid, table); > } > > +umode_t efi_attr_is_visible(struct kobject *kobj, struct attribute *attr, int n); > + > #endif /* _LINUX_EFI_H */ > -- > 2.39.2 >
