@@ -805,14 +805,6 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
spin_lock_irq(&rtc_lock);
- /* Ensure that the RTC is accessible. Bit 0-6 must be 0! */
- if ((CMOS_READ(RTC_VALID) & 0x7f) != 0) {
- spin_unlock_irq(&rtc_lock);
- dev_warn(dev, "not accessible\n");
- retval = -ENXIO;
- goto cleanup1;
- }
-
if (!(flags & CMOS_RTC_FLAGS_NOFREQ)) {
/* force periodic irq to CMOS reset default of 1024Hz;
*
@@ -21,13 +21,6 @@ unsigned int mc146818_get_time(struct rtc_time *time)
again:
spin_lock_irqsave(&rtc_lock, flags);
- /* Ensure that the RTC is accessible. Bit 0-6 must be 0! */
- if (WARN_ON_ONCE((CMOS_READ(RTC_VALID) & 0x7f) != 0)) {
- spin_unlock_irqrestore(&rtc_lock, flags);
- memset(time, 0xff, sizeof(*time));
- return 0;
- }
-
/*
* Check whether there is an update in progress during which the
* readout is unspecified. The maximum update time is ~2ms. Poll
From: Jani Nikula <jani.nikula@intel.com> This reverts commit 211e5db19d15a721b2953ea54b8f26c2963720eb. --- drivers/rtc/rtc-cmos.c | 8 -------- drivers/rtc/rtc-mc146818-lib.c | 7 ------- 2 files changed, 15 deletions(-)