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From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: linux-renesas-soc@vger.kernel.org,
	Prabhakar <prabhakar.csengg@gmail.com>,
	Cong Dang <cong.dang.xn@renesas.com>,
	Hai Pham <hai.pham.ud@renesas.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] memory: renesas-rpc-if: Fix PHYCNT.STRTIM setting
Date: Fri, 27 Jan 2023 09:30:45 +0100	[thread overview]
Message-ID: <Y9OLtbN5uhyPYxyj@ninjato> (raw)
In-Reply-To: <CAMuHMdX6epwBa9fT9MoU=oC9k6YV2L9NXOEd84QkLnSr2vkDBA@mail.gmail.com>

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> > -       rpc->type = (uintptr_t)of_device_get_match_data(dev);
> > +       rpc->size = resource_size(res);
> 
> Nit: No need to move the initialization of rpc->size.

True. It is more cosmetic to have all rpc->* inits in one block. But I
think it is worth it.

> > +       regmap_update_bits(rpc->regmap, RPCIF_PHYCNT,
> > +                          /* create mask with all affected bits set */
> > +                          RPCIF_PHYCNT_STRTIM(BIT(fls(rpc->info->strtim)) - 1),
> 
> Note that this relies on the strtim value being 4 or higher.
> As this value is not user-configurable, but fixed in the driver,
> it's probably OK.

If there was a chance that newer SoCs use such a value, I'd go for the
seperate mask. But I am confident this time has passed and the next
value is likely >15.


> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Thanks!


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  reply	other threads:[~2023-01-27  8:31 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-26 17:35 Wolfram Sang
2023-01-27  8:17 ` Geert Uytterhoeven
2023-01-27  8:30   ` Wolfram Sang [this message]
2023-01-27 10:44 ` Lad, Prabhakar

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