linux-kernel - Re: [PATCH v3 06/12] rtc: renesas-rtca3: Add driver for RTCA-3 available on Renesas RZ/G3S SoC

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ZxDqzeA2mz0Ml6cZ@shikoro>
Date: Thu, 17 Oct 2024 12:45:33 +0200
From: Wolfram Sang <wsa+renesas@...g-engineering.com>
To: Claudiu <claudiu.beznea@...on.dev>
Cc: geert+renesas@...der.be, mturquette@...libre.com, sboyd@...nel.org,
	robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
	alexandre.belloni@...tlin.com, magnus.damm@...il.com,
	p.zabel@...gutronix.de, linux-renesas-soc@...r.kernel.org,
	linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-rtc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>,
	kernel test robot <lkp@...el.com>
Subject: Re: [PATCH v3 06/12] rtc: renesas-rtca3: Add driver for RTCA-3
 available on Renesas RZ/G3S SoC

Hi,

sorry for being late to the game. I just noticed this series and
wonder...

> +/* Counter registers. */
> +#define RTCA3_RSECCNT			0x2
> +#define RTCA3_RSECCNT_SEC		GENMASK(6, 0)
> +#define RTCA3_RMINCNT			0x4
> +#define RTCA3_RMINCNT_MIN		GENMASK(6, 0)
> +#define RTCA3_RHRCNT			0x6
> +#define RTCA3_RHRCNT_HR			GENMASK(5, 0)
> +#define RTCA3_RHRCNT_PM			BIT(6)
> +#define RTCA3_RWKCNT			0x8
> +#define RTCA3_RWKCNT_WK			GENMASK(2, 0)
> +#define RTCA3_RDAYCNT			0xa
> +#define RTCA3_RDAYCNT_DAY		GENMASK(5, 0)
> +#define RTCA3_RMONCNT			0xc
> +#define RTCA3_RMONCNT_MONTH		GENMASK(4, 0)
> +#define RTCA3_RYRCNT			0xe
> +#define RTCA3_RYRCNT_YEAR		GENMASK(7, 0)

... if it has been considered to expand the existing rtc-sh driver? The
register set looks identical up to RMONAR. From that on, it looks a
different. Maybe the different offsets and bit positions could be
abstracted away by some sh_rtc_{read|write} helper? Or is there some
other new handling which makes re-using rtc-sh cumbersome?

Thanks and happy hacking,

   Wolfram


Download attachment "signature.asc" of type "application/pgp-signature" (834 bytes)