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Date: Wed, 21 Dec 2016 10:44:49 +0100
From: Alexandre Belloni <alexandre.belloni@free-electrons.com>
To: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>, rtc-linux@googlegroups.com,
	Jason Cooper <jason@lakedaemon.net>, Andrew Lunn <andrew@lunn.ch>,
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	Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
	linux-arm-kernel@lists.infradead.org
Subject: [rtc-linux] Re: [PATCH v2] rtc: armada38x: Followed the new
 recommendation for errata implementation
Message-ID: <20161221094449.gllgbgroopxmtnmp@piout.net>
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On 21/12/2016 at 10:02:54 +0100, Gregory CLEMENT wrote :
> Hi Alexandre,
> =20
>  On mer., d=C3=A9c. 21 2016, Alexandre Belloni <alexandre.belloni@free-el=
ectrons.com> wrote:
>=20
>=20
> I agree with all your remark expect one, see below:
> [...]
> >>  	rtc_update_irq(rtc->rtc_dev, 1, event);
> >> =20
> >>  	return IRQ_HANDLED;
> >> @@ -221,6 +282,11 @@ static __init int armada38x_rtc_probe(struct plat=
form_device *pdev)
> >>  	if (!rtc)
> >>  		return -ENOMEM;
> >> =20
> >> +	rtc->val_to_freq =3D devm_kcalloc(&pdev->dev, SAMPLE_NR,
> >> +				sizeof(struct value_to_freq), GFP_KERNEL);
> >> +	if (!rtc->val_to_freq)
> >> +		return -ENOMEM;
> >> +
> >
> > The whole struct armada38x_rtc is already allocated just before. Maybe
> > you can put the whole array inside the structure instead of doing a new
> > allocation.
>=20
> Actually it was done on purpose. Indeed the same RTC IP is used in the
> Armada 3700 (a patch is coming soon), and for this IP this issue was
> fixed and we do not need to store 100 read. That's why I want to
> allocate the array only if needed.
>=20

Fair enough


--=20
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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