From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@armlinux.org.uk (Russell King - ARM Linux) Date: Mon, 21 Nov 2016 09:24:45 +0000 Subject: [PATCH v2] ARM: Drop fixed 200 Hz timer requirement from Samsung platforms In-Reply-To: References: <1479453418-25314-1-git-send-email-krzk@kernel.org> <22757093.ejshJp9T7L@wuerfel> Message-ID: <20161121092445.GA1041@n2100.armlinux.org.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Nov 21, 2016 at 03:01:57PM +0900, Tomasz Figa wrote: > One thing to correct here is that the typical clock is PCLK, which is > derived from one of the PLLs and AFAIR is between 33-66 MHz on > s3c24xx. Technically you can drive the PWM block from an external > clock (12 MHz for some board-file based boards), but for simplicity > this functionality was omitted in the new PWM timer driver used for DT > boards (which worked fine with the PWM driven by PCLK). So that's a knowingly-made regression for s3c24xx then. Pretty disgusting developer behavior to do that, IMHO. -- RMK's Patch system: http://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net.