From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [217.70.183.196]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6B1D340BE2; Tue, 19 Dec 2023 23:50:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="meVYnzsL" Received: by mail.gandi.net (Postfix) with ESMTPSA id 21E49E0002; Tue, 19 Dec 2023 23:49:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1703029797; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=XMF5+LCdQoQ4KWqijlLZ5h1LmkVrwq9abkrqRDOGnT0=; b=meVYnzsLhn0QY6fULX01BU4BtbFQ7CAWEoGneYq5J/XJeaj3q9+RM+YdmZRpRVwvmcjm86 g1O2nXklJqqUcJToRdKAn7ZCTyA+yEYgcZ2Sfmlgzi+zgEZ8h45j1woJtLfQ39wD4aLuKx jhBy1Oe8rSi+sO+05hgvoBYRXrIllBXUZCG4y8dO9gN37McNF980JnnhGzCaAy+hKi2Ugz pg9gTPw/e5C2emNFHdyXrCzy8BDguT0LqVvQOtoDTSFv6nU1CGZUEFsrd9sH6TFmGkwKim EdPOLjI3QiRQPAd4znTDFPFDrFE2nlSGrg3chmj5Qet4wnKJGqrgodJiYJqxBg== Date: Wed, 20 Dec 2023 00:49:56 +0100 From: Alexandre Belloni To: Biju Das Cc: Geert Uytterhoeven , Alessandro Zummo , Support Opensource , "linux-rtc@vger.kernel.org" , Prabhakar Mahadev Lad , "biju.das.au" , "linux-renesas-soc@vger.kernel.org" Subject: Re: [PATCH 3/6] rtc: da9063: Use dev_err_probe() Message-ID: <20231219234956fd65a895@mail.local> References: <20231201110840.37408-1-biju.das.jz@bp.renesas.com> <20231201110840.37408-4-biju.das.jz@bp.renesas.com> <202312011520103c5f28dc@mail.local> <202312011555095065168a@mail.local> Precedence: bulk X-Mailing-List: linux-rtc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Flag: yes X-Spam-Level: ******************** X-GND-Spam-Score: 300 X-GND-Status: SPAM X-GND-Sasl: alexandre.belloni@bootlin.com On 01/12/2023 16:40:25+0000, Biju Das wrote: > > RTC_FEATURE_ALARM is what you should clear and you have to fallback to the > > irq is not present case. > > > Ok,Will update Patch#3 with clearing "RTC_FEATURE_ALARM" as the fallback for the irqhandler error case > > On patch#1, I will clear both RTC_FEATURE_ALARM" and "RTC_FEATURE_UPDATE_INTERRUPT", > > as with just clearing "RTC_FEATURE_ALARM", I get below error. > > root@smarc-rzg2ul:~# date -s "2023-08-06 19:30:00" > Sun Aug 6 19:30:00 UTC 2023 > root@smarc-rzg2ul:~# hwclock -w > root@smarc-rzg2ul:~# hwclock -r > hwclock: select() to /dev/rtc0 to wait for clock tick timed out > root@smarc-rzg2ul:~# > > I can't believe this is true because the rtc core code will take the same path when RTC_FEATURE_ALARM or RTC_FEATURE_UPDATE_INTERRUPT is cleared: https://elixir.bootlin.com/linux/latest/source/drivers/rtc/interface.c#L574 RTC_FEATURE_UPDATE_INTERRUPT must be cleared only when RTC_FEATURE_ALARM is set. > Cheers, > Biju > > > > > > > > > > > > > > > > > > > > > ret = dev_pm_set_wake_irq(&pdev->dev, > > irq_alarm); > > > > > > > if (ret) > > > > > > > > > > > > The rest LGTM, so with the above fixed/clarified: > > > > > > Reviewed-by: Geert Uytterhoeven > > > > > > > > > > > > Gr{oetje,eeting}s, > > > > > > > > > > > > Geert > > > > > > > > > > > > -- > > > > > > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- > > > > > > geert@linux- m68k.org > > > > > > > > > > > > In personal conversations with technical people, I call myself a > > > > hacker. > > > > > > But when I'm talking to journalists I just say "programmer" or > > > > > > something like that. > > > > > > -- Linus Torvalds > > > > > > > > -- > > > > Alexandre Belloni, co-owner and COO, Bootlin Embedded Linux and > > > > Kernel engineering > > > > > > https://jpn01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbootlin% > > 2F&data=05%7C01%7Cbiju.das.jz%40bp.renesas.com%7C72e93f2d3b25447789c608dbf > > 285e823%7C53d82571da1947e49cb4625a166a4a2a%7C0%7C0%7C638370429169364269%7C > > Unknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwi > > LCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=zGt9Zsk6AYZ3zwOTU6l0zmN3KF1rGqOTAe3XR > > hxPWaA%3D&reserved=0. > > > > com%2F&data=05%7C01%7Cbiju.das.jz%40bp.renesas.com%7Cb699f48656d34a9 > > > > 23a640 > > > > 8dbf28104af%7C53d82571da1947e49cb4625a166a4a2a%7C0%7C0%7C63837040817 > > > > 604431 > > > > 5%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTi > > > > I6Ik1h > > > > aWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=E9tDi08sBRoh4tBccQB%2B8az%2 > > > > BqQ4%2 > > > > FtQOpFjdPgU8zQXc%3D&reserved=0 > > > > -- > > Alexandre Belloni, co-owner and COO, Bootlin Embedded Linux and Kernel > > engineering > > https://jpn01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbootlin. > > com%2F&data=05%7C01%7Cbiju.das.jz%40bp.renesas.com%7C72e93f2d3b25447789c60 > > 8dbf285e823%7C53d82571da1947e49cb4625a166a4a2a%7C0%7C0%7C63837042916952053 > > 1%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1h > > aWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=WULSktePlojGqVPbQJ%2BDelJnQEOUIh% > > 2BaSJm2Ra4OsRI%3D&reserved=0 -- Alexandre Belloni, co-owner and COO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com