The patch titled
Subject: rtc: omap: fix clock-source configuration
has been added to the -mm tree. Its filename is
rtc-omap-fix-clock-source-configuration.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/rtc-omap-fix-clock-source-configuration.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/rtc-omap-fix-clock-source-configuration.patch
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------------------------------------------------------
From: Johan Hovold <johan@xxxxxxxxxx>
Subject: rtc: omap: fix clock-source configuration
This series fixes a few issues with the omap rtc-driver, cleans up a bit,
adds device abstraction, and finally adds support for the PMIC control
feature found in some revisions of this RTC IP block.
Ultimately, this allows for powering off the Beaglebone and waking it up
again on RTC alarms.
This patch (of 20):
Make sure not to reset the clock-source configuration when enabling the
32kHz clock mux.
Until the clock source can be configured through device tree we must not
overwrite settings made by the bootloader (e.g. clock-source selection).
Fixes: cd914bba03d8 ("drivers/rtc/rtc-omap.c: add support for enabling
32khz clock")
Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
Reviewed-by: Felipe Balbi <balbi@xxxxxx>
Cc: Alessandro Zummo <a.zummo@xxxxxxxxxxxx>
Cc: Tony Lindgren <tony@xxxxxxxxxxx>
Cc: Benot Cousson <bcousson@xxxxxxxxxxxx>
Cc: Lokesh Vutla <lokeshvutla@xxxxxx>
Cc: Guenter Roeck <linux@xxxxxxxxxxxx>
Cc: Sekhar Nori <nsekhar@xxxxxx>
Cc: Tero Kristo <t-kristo@xxxxxx>
Cc: Keerthy J <j-keerthy@xxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/rtc/rtc-omap.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff -puN drivers/rtc/rtc-omap.c~rtc-omap-fix-clock-source-configuration drivers/rtc/rtc-omap.c
--- a/drivers/rtc/rtc-omap.c~rtc-omap-fix-clock-source-configuration
+++ a/drivers/rtc/rtc-omap.c
@@ -431,8 +431,10 @@ static int __init omap_rtc_probe(struct
rtc_write(0, OMAP_RTC_INTERRUPTS_REG);
/* enable RTC functional clock */
- if (id_entry->driver_data & OMAP_RTC_HAS_32KCLK_EN)
- rtc_writel(OMAP_RTC_OSC_32KCLK_EN, OMAP_RTC_OSC_REG);
+ if (id_entry->driver_data & OMAP_RTC_HAS_32KCLK_EN) {
+ reg = rtc_read(OMAP_RTC_OSC_REG);
+ rtc_writel(reg | OMAP_RTC_OSC_32KCLK_EN, OMAP_RTC_OSC_REG);
+ }
/* clear old status */
reg = rtc_read(OMAP_RTC_STATUS_REG);
_
Patches currently in -mm which might be from johan@xxxxxxxxxx are
rtc-omap-fix-clock-source-configuration.patch
rtc-omap-fix-missing-wakealarm-attribute.patch
rtc-omap-fix-interrupt-disable-at-probe.patch
rtc-omap-clean-up-probe-error-handling.patch
rtc-omap-fix-class-device-registration.patch
rtc-omap-remove-unused-register-base-define.patch
rtc-omap-use-dev_info.patch
rtc-omap-make-platform-device-id-table-const.patch
rtc-omap-add-device-abstraction.patch
rtc-omap-remove-driver_name-macro.patch
rtc-omap-add-structured-device-type-info.patch
rtc-omap-silence-bogus-power-up-reset-message-at-probe.patch
rtc-omap-add-helper-to-read-raw-bcd-time.patch
rtc-omap-add-helper-to-read-32-bit-registers.patch
rtc-omap-add-support-for-pmic_power_en.patch
rtc-omap-enable-wake-up-from-power-off.patch
rtc-omap-fix-minor-coding-style-issues.patch
rtc-omap-add-copyright-entry.patch
arm-dts-am33xx-update-rtc-node-compatible-property.patch
arm-dts-am335x-boneblack-enable-power-off-and-rtc-wake-up.patch
linux-next.patch
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