Hello Mateusz,
I'm planning to review and take them soon (early next week), I found it
was a bit late for the previous version. I'd like that to sit in
linux-next for a while a rtc-cmos is kind of sensitive ;)
On 19/11/2021 21:42:14+0100, Mateusz Jończyk wrote:
> Hello,
>
> This patch series fixes some issues in the RTC CMOS handling code:
>
> 1. A missing spin_lock_irq() / spin_unlock_irq() pair in cmos_set_alarm().
> 2. A failing presence check of the RTC: the clock was misdetected as
> broken since Linux 5.11 on one of our home systems.
> 3. Do not touch the RTC alarm registers when the RTC update is in
> progress. (On some Intel chipsets, this causes bogus values being
> read or writes to fail silently.)
>
> This is my first patch series, so please review carefully.
>
> v2: Drop the last patch:
> Revert "rtc: cmos: Replace spin_lock_irqsave with spin_lock in hard IRQ"
> which was made obsolete by mainlining of
> commit 13be2efc390a ("rtc: cmos: Disable irq around direct invocation of cmos_interrupt()")
>
> v3: Rework solution to problem 3 (I'd like to thank Greg KH for comment),
> drop x86 refactoring patches (I'll send them later).
>
> Greetings,
> Mateusz
>
> Signed-off-by: Mateusz Jończyk <mat.jonczyk@xxxxx>
> Cc: Alessandro Zummo <a.zummo@xxxxxxxxxxxx>
> Cc: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
> Cc: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>
--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
