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rtc: ds1685: drop RTC_DS1685_PROC_REGS 

/proc is not the correct ABI to display debugging info. Remove
RTC_DS1685_PROC_REGS as the driver hasn't seen any real development since
it was included.

Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2018-09-19 19:52:09 +02:00
parent c7080e2016
commit 8ddeb09de1
2 changed files with 0 additions and 72 deletions
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11
drivers/rtc/Kconfig
View File

@ -1008,17 +1008,6 @@ config RTC_DRV_DS17885
endchoice
config RTC_DS1685_PROC_REGS
bool "Display register values in /proc"
depends on RTC_DRV_DS1685_FAMILY && PROC_FS
help
Enable this to display a readout of all of the RTC registers in
/proc/drivers/rtc. Keep in mind that this can potentially lead
to lost interrupts, as reading Control Register C will clear
all pending IRQ flags.
Unless you are debugging this driver, choose N.
config RTC_DRV_DS1742
tristate "Maxim/Dallas DS1742/1743"
depends on HAS_IOMEM

61
drivers/rtc/rtc-ds1685.c
View File

@ -770,33 +770,6 @@ static const char *ds1685_rtc_sqw_freq[16] = {
"512Hz", "256Hz", "128Hz", "64Hz", "32Hz", "16Hz", "8Hz", "4Hz", "2Hz"
};
#ifdef CONFIG_RTC_DS1685_PROC_REGS
/**
* ds1685_rtc_print_regs - helper function to print register values.
* @hex: hex byte to convert into binary bits.
* @dest: destination char array.
*
* This is basically a hex->binary function, just with extra spacing between
* the digits. It only works on 1-byte values (8 bits).
*/
static char*
ds1685_rtc_print_regs(u8 hex, char *dest)
{
u32 i, j;
char *tmp = dest;
for (i = 0; i < NUM_BITS; i++) {
*tmp++ = ((hex & 0x80) != 0 ? '1' : '0');
for (j = 0; j < NUM_SPACES; j++)
*tmp++ = ' ';
hex <<= 1;
}
*tmp++ = '\0';
return dest;
}
#endif
/**
* ds1685_rtc_proc - procfs access function.
* @dev: pointer to device structure.
@ -809,9 +782,6 @@ ds1685_rtc_proc(struct device *dev, struct seq_file *seq)
struct ds1685_priv *rtc = platform_get_drvdata(pdev);
u8 ctrla, ctrlb, ctrlc, ctrld, ctrl4a, ctrl4b, ssn[8];
char *model;
#ifdef CONFIG_RTC_DS1685_PROC_REGS
char bits[NUM_REGS][(NUM_BITS * NUM_SPACES) + NUM_BITS + 1];
#endif
/* Read all the relevant data from the control registers. */
ds1685_rtc_switch_to_bank1(rtc);
@ -859,28 +829,7 @@ ds1685_rtc_proc(struct device *dev, struct seq_file *seq)
"Periodic IRQ\t: %s\n"
"Periodic Rate\t: %s\n"
"SQW Freq\t: %s\n"
#ifdef CONFIG_RTC_DS1685_PROC_REGS
"Serial #\t: %8phC\n"
"Register Status\t:\n"
" Ctrl A\t: UIP DV2 DV1 DV0 RS3 RS2 RS1 RS0\n"
"\t\t: %s\n"
" Ctrl B\t: SET PIE AIE UIE SQWE DM 2412 DSE\n"
"\t\t: %s\n"
" Ctrl C\t: IRQF PF AF UF --- --- --- ---\n"
"\t\t: %s\n"
" Ctrl D\t: VRT --- --- --- --- --- --- ---\n"
"\t\t: %s\n"
#if !defined(CONFIG_RTC_DRV_DS1685) && !defined(CONFIG_RTC_DRV_DS1689)
" Ctrl 4A\t: VRT2 INCR BME --- PAB RF WF KF\n"
#else
" Ctrl 4A\t: VRT2 INCR --- --- PAB RF WF KF\n"
#endif
"\t\t: %s\n"
" Ctrl 4B\t: ABE E32k CS RCE PRS RIE WIE KSE\n"
"\t\t: %s\n",
#else
"Serial #\t: %8phC\n",
#endif
model,
((ctrla & RTC_CTRL_A_DV1) ? "enabled" : "disabled"),
((ctrlb & RTC_CTRL_B_2412) ? "24-hour" : "12-hour"),
@ -894,17 +843,7 @@ ds1685_rtc_proc(struct device *dev, struct seq_file *seq)
ds1685_rtc_pirq_rate[(ctrla & RTC_CTRL_A_RS_MASK)] : "none"),
(!((ctrl4b & RTC_CTRL_4B_E32K)) ?
ds1685_rtc_sqw_freq[(ctrla & RTC_CTRL_A_RS_MASK)] : "32768Hz"),
#ifdef CONFIG_RTC_DS1685_PROC_REGS
ssn,
ds1685_rtc_print_regs(ctrla, bits[0]),
ds1685_rtc_print_regs(ctrlb, bits[1]),
ds1685_rtc_print_regs(ctrlc, bits[2]),
ds1685_rtc_print_regs(ctrld, bits[3]),
ds1685_rtc_print_regs(ctrl4a, bits[4]),
ds1685_rtc_print_regs(ctrl4b, bits[5]));
#else
ssn);
#endif
return 0;
}
#else