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Date: Thu, 11 Apr 2019 18:54:47 +0200 From: Daniel Lezcano <daniel.lezcano@...aro.org> To: Andrey Smirnov <andrew.smirnov@...il.com> Cc: linux-pm@...r.kernel.org, Chris Healy <cphealy@...il.com>, Lucas Stach <l.stach@...gutronix.de>, Zhang Rui <rui.zhang@...el.com>, Eduardo Valentin <edubezval@...il.com>, Angus Ainslie <angus@...ea.ca>, dl-linux-imx <linux-imx@....com>, linux-kernel <linux-kernel@...r.kernel.org> Subject: Re: [PATCH v3 05/13] thermal: qoriq: Embed per-sensor data into struct qoriq_tmu_data On 05/04/2019 20:00, Andrey Smirnov wrote: > On Thu, Apr 4, 2019 at 12:57 AM Daniel Lezcano > <daniel.lezcano@...aro.org> wrote: >> >> On 01/04/2019 06:14, Andrey Smirnov wrote: >>> Embed per-sensor data into struct qoriq_tmu_data so we can drop the >>> code allocating it. This also allows us to get rid of per-sensor back >>> reference to struct qoriq_tmu_data since now its address can be >>> caluclated using container_of(). >> >> This seems to be a repeating pattern, drivers are forced to put a back >> pointer in the thermal sensor structure to regain access to the >> container structure in the get_temp callback. >> >> It would make sense to pass the sensor id to the get_temp callback as we >> register with the sensor id. >> > > I'll rebase this series on the two patches you submitted. Well I should have added the RFC tag because I was not able to test with a platform. [ ... ] >> Why not replace the little_endian boolean by a couple of callback >> read/write and assign them to ioread32|ioread32be at init time. >> >> That will kill the tmu_read and tmu_write functions and from there you >> can figure out how to remove the qdata backpointer. In addition, it will >> save a few instructions to test the boolean. >> > > I am sure you've seen it by now, but little_endian is going away in > this series in regmap conversion patch. Right :) -- <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook | <http://twitter.com/#!/linaroorg> Twitter | <http://www.linaro.org/linaro-blog/> Blog
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