diff options
| author | J William Piggott | 2017-03-26 16:04:16 +0200 |
|---|---|---|
| committer | J William Piggott | 2017-03-31 16:04:53 +0200 |
| commit | e216a772b1c3ec4c7062ff50f18a9cd110ffa308 (patch) | |
| tree | c74823006919ff4182b4c47f1d1be53098548c8e /sys-utils/hwclock-cmos.c | |
| parent | hwclock: improve cmos message strings (diff) | |
| download | kernel-qcow2-util-linux-e216a772b1c3ec4c7062ff50f18a9cd110ffa308.tar.gz kernel-qcow2-util-linux-e216a772b1c3ec4c7062ff50f18a9cd110ffa308.tar.xz kernel-qcow2-util-linux-e216a772b1c3ec4c7062ff50f18a9cd110ffa308.zip | |
hwclock: remove dead cmos code
* hwclock-cmos.c: remove unused 'century' code.
Signed-off-by: J William Piggott <elseifthen@gmx.com>
Diffstat (limited to 'sys-utils/hwclock-cmos.c')
| -rw-r--r-- | sys-utils/hwclock-cmos.c | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/sys-utils/hwclock-cmos.c b/sys-utils/hwclock-cmos.c index 5158369ac..6227b94c0 100644 --- a/sys-utils/hwclock-cmos.c +++ b/sys-utils/hwclock-cmos.c @@ -104,11 +104,6 @@ static int inb(int c __attribute__((__unused__))) static unsigned short clock_ctl_addr = 0x70; static unsigned short clock_data_addr = 0x71; -static int century_byte = 0; /* 0: don't access a century byte - * 50 (0x32): usual PC value - * 55 (0x37): PS/2 - */ - /* * Hmmh, this isn't very atomic. Maybe we should force an error instead? * @@ -156,7 +151,6 @@ static unsigned long cmos_set_time(unsigned long arg) { unsigned char save_control, save_freq_select, pmbit = 0; struct tm tm = *(struct tm *)arg; - unsigned int century; /* * CMOS byte 10 (clock status register A) has 3 bitfields: @@ -180,7 +174,6 @@ static unsigned long cmos_set_time(unsigned long arg) save_freq_select = cmos_read(10); /* stop and reset prescaler */ cmos_write(10, (save_freq_select | 0x70)); - century = (tm.tm_year + TM_EPOCH) / 100; tm.tm_year %= 100; tm.tm_mon += 1; tm.tm_wday += 1; @@ -202,7 +195,6 @@ static unsigned long cmos_set_time(unsigned long arg) BIN_TO_BCD(tm.tm_mday); BIN_TO_BCD(tm.tm_mon); BIN_TO_BCD(tm.tm_year); - BIN_TO_BCD(century); } cmos_write(0, tm.tm_sec); @@ -212,8 +204,6 @@ static unsigned long cmos_set_time(unsigned long arg) cmos_write(7, tm.tm_mday); cmos_write(8, tm.tm_mon); cmos_write(9, tm.tm_year); - if (century_byte) - cmos_write(century_byte, century); /* * The kernel sources, linux/arch/i386/kernel/time.c, have the @@ -316,10 +306,6 @@ static int read_hardware_clock_cmos(const struct hwclock_control *ctl tm->tm_mon = hclock_read(8); tm->tm_year = hclock_read(9); status = hclock_read(11); -#if 0 - if (century_byte) - century = hclock_read(century_byte); -#endif /* * Unless the clock changed while we were reading, * consider this a good clock read . @@ -343,9 +329,6 @@ static int read_hardware_clock_cmos(const struct hwclock_control *ctl BCD_TO_BIN(tm->tm_mday); BCD_TO_BIN(tm->tm_mon); BCD_TO_BIN(tm->tm_year); -#if 0 - BCD_TO_BIN(century); -#endif } /* |