From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: Dhaval Shiroya <dhaval.shiroya@siliconsignals.io>
Cc: "linux-rtc@vger.kernel.org" <linux-rtc@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] rtc: rv3028: configure backup switch mode from device tree
Date: Wed, 26 Aug 2026 08:57:35 +0200 [thread overview]
Message-ID: <20260826065735b7e92466@mail.local> (raw)
In-Reply-To: <PN2P287MB289211E7C870D80EC2F7603F8DAE2@PN2P287MB2892.INDP287.PROD.OUTLOOK.COM>
On 26/08/2026 06:37:48+0000, Dhaval Shiroya wrote:
> Hi Alexandre,
>
> >On 22/08/2026 14:59:11+0530, Dhaval Shiroya wrote:
> >> Enable and set the backup switch mode directly from the device tree at
> >> probe, instead of requiring a userspace RTC_PARAM_BACKUP_SWITCH_MODE
> >> ioctl on every unit.
> >>
> >
> >No, just use the ioctl.
>
> Thanks for the reply.
>
> Instead, can we enable the FEDE bit, as the datasheet recommends enabling it when switching to RTC Backup Switchover Mode?
>
> Could you please share your thoughts on this?
It is never disabled and so it is always enabled unless someone disabled
it on purpose.
--
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
next prev parent reply other threads:[~2026-08-26 6:57 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-22 9:29 [PATCH] rtc: rv3028: configure backup switch mode from device tree Dhaval Shiroya
2026-08-22 9:39 ` sashiko-bot
2026-08-22 13:09 ` Alexandre Belloni
2026-08-26 6:37 ` Dhaval Shiroya
2026-08-26 6:57 ` Alexandre Belloni [this message]
2026-08-24 23:05 ` kernel test robot
2026-08-25 1:34 ` kernel test robot
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