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From: Lino Sanfilippo <LinoSanfilippo@gmx.de>
To: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Cc: thierry.reding@gmail.com, lee.jones@linaro.org,
	nsaenzjulienne@suse.de, f.fainelli@gmail.com, rjui@broadcom.com,
	sbranden@broadcom.com, bcm-kernel-feedback-list@broadcom.com,
	linux-pwm@vger.kernel.org, linux-rpi-kernel@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, sean@mess.org
Subject: Re: [PATCH v2] pwm: bcm2835: Support apply function for atomic configuration
Date: Sat, 5 Dec 2020 00:25:41 +0100	[thread overview]
Message-ID: <5c7c96ff-5323-2dd9-b56d-57a10b6576f2@gmx.de> (raw)
In-Reply-To: <20201204112115.wopx5p5elgte7gad@pengutronix.de>


Hi,

On 04.12.20 at 12:21, Uwe Kleine-König wrote:

>
> I'd make value an unsigned long long and check for > 0xffffffff instead
> of repeating the (expensive) division. (Hmm, maybe the compiler is smart
> enough to not actually repeat it, but still.)
I also prefer unsigned long long over u64 since thats what DIV_ROUND_CLOSEST_ULL returns.
However since we have the constant U32_MAX for 0xffffffff we should use that.

Thanks,
Lino


      parent reply	other threads:[~2020-12-04 23:27 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <202011281128.54eLfMWr-lkp@intel.com>
2020-11-28 12:02 ` [PATCH v2] pwm: bcm2835: Support apply function for atomic configuration Lino Sanfilippo
2020-11-29 18:10   ` Uwe Kleine-König
2020-12-03 23:42     ` Lino Sanfilippo
2020-12-04  8:44       ` Sean Young
2020-12-04  8:58         ` Sean Young
2020-12-04 11:13         ` Uwe Kleine-König
2020-12-04 11:38           ` Sean Young
2020-12-04 23:28             ` Uwe Kleine-König
2020-12-05 17:34               ` Sean Young
2020-12-05 19:25                 ` Uwe Kleine-König
2020-12-06 14:19                   ` Sean Young
2020-12-07  8:16                     ` Uwe Kleine-König
2020-12-07  9:43                       ` Sean Young
2020-12-07 13:52                         ` Uwe Kleine-König
2020-12-07 15:29                           ` Thierry Reding
2020-12-07 21:46                             ` Uwe Kleine-König
2020-12-07 18:18                           ` Sean Young
2020-12-08  0:00                           ` Lino Sanfilippo
2020-12-08  9:07                             ` Uwe Kleine-König
2020-12-04 23:16         ` Lino Sanfilippo
2020-12-04 11:21       ` Uwe Kleine-König
2020-12-04 11:40         ` Sean Young
2020-12-04 21:55           ` Uwe Kleine-König
2020-12-04 22:44             ` Sean Young
2020-12-04 23:25         ` Lino Sanfilippo [this message]

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