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arch/x86: Remove efi_set_rtc_mmss()

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efi_set_rtc_mmss() is never used to set RTC due to bugs found
on many EFI platforms. It is set directly by mach_set_rtc_mmss().
Hence, remove unused efi_set_rtc_mmss() function.

Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
This commit is contained in:
Daniel Kiper 2014-06-30 19:53:04 +02:00 committed by Matt Fleming
parent 9402973d49
commit f383d00a0d
2 changed files with 0 additions and 37 deletions
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36
arch/x86/platform/efi/efi.c
View File

@ -104,42 +104,6 @@ static efi_status_t __init phys_efi_set_virtual_address_map(
return status; return status;
} }
int efi_set_rtc_mmss(const struct timespec *now)
{
unsigned long nowtime = now->tv_sec;
efi_status_t status;
efi_time_t eft;
efi_time_cap_t cap;
struct rtc_time tm;
status = efi.get_time(&eft, &cap);
if (status != EFI_SUCCESS) {
pr_err("Oops: efitime: can't read time!\n");
return -1;
}
rtc_time_to_tm(nowtime, &tm);
if (!rtc_valid_tm(&tm)) {
eft.year = tm.tm_year + 1900;
eft.month = tm.tm_mon + 1;
eft.day = tm.tm_mday;
eft.minute = tm.tm_min;
eft.second = tm.tm_sec;
eft.nanosecond = 0;
} else {
pr_err("%s: Invalid EFI RTC value: write of %lx to EFI RTC failed\n",
__func__, nowtime);
return -1;
}
status = efi.set_time(&eft);
if (status != EFI_SUCCESS) {
pr_err("Oops: efitime: can't write time!\n");
return -1;
}
return 0;
}
void efi_get_time(struct timespec *now) void efi_get_time(struct timespec *now)
{ {
efi_status_t status; efi_status_t status;

1
include/linux/efi.h
View File

@ -873,7 +873,6 @@ extern int __init efi_uart_console_only (void);
extern void efi_initialize_iomem_resources(struct resource *code_resource, extern void efi_initialize_iomem_resources(struct resource *code_resource,
struct resource *data_resource, struct resource *bss_resource); struct resource *data_resource, struct resource *bss_resource);
extern void efi_get_time(struct timespec *now); extern void efi_get_time(struct timespec *now);
extern int efi_set_rtc_mmss(const struct timespec *now);
extern void efi_reserve_boot_services(void); extern void efi_reserve_boot_services(void);
extern int efi_get_fdt_params(struct efi_fdt_params *params, int verbose); extern int efi_get_fdt_params(struct efi_fdt_params *params, int verbose);
extern struct efi_memory_map memmap; extern struct efi_memory_map memmap;