From: Mark Brown <broonie@kernel.org> To: Dmitry Osipenko <digetx@gmail.com> Cc: robh+dt@kernel.org, mark.rutland@arm.com, Sowjanya Komatineni <skomatineni@nvidia.com>, thierry.reding@gmail.com, jonathanh@nvidia.com, mperttunen@nvidia.com, gregkh@linuxfoundation.org, sboyd@kernel.org, tglx@linutronix.de, allison@lohutok.net, pdeschrijver@nvidia.com, pgaikwad@nvidia.com, mturquette@baylibre.com, horms+renesas@verge.net.au, Jisheng.Zhang@synaptics.com, krzk@kernel.org, arnd@arndb.de, spujar@nvidia.com, josephl@nvidia.com, vidyas@nvidia.com, daniel.lezcano@linaro.org, mmaddireddy@nvidia.com, markz@nvidia.com, devicetree@vger.kernel.org, linux-clk@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com, alexios.zavras@intel.com, alsa-devel@alsa-project.org Subject: Re: [PATCH v3 09/15] ASoC: tegra: Add fallback for audio mclk Date: Tue, 10 Dec 2019 18:59:33 +0000 [thread overview] Message-ID: <20191210185933.GJ6110@sirena.org.uk> (raw) In-Reply-To: <560185d9-32fd-a85e-5feb-105f79b953c6@gmail.com> [-- Attachment #1: Type: text/plain, Size: 827 bytes --] On Tue, Dec 10, 2019 at 09:24:43PM +0300, Dmitry Osipenko wrote: > In some cases it could be painful to maintain device-tree compatibility > for platforms like NVIDIA Tegra SoCs because hardware wasn't modeled > correctly from the start. > I agree that people should use relevant device-trees. It's quite a lot > of hassle to care about compatibility for platforms that are permanently > in a development state. It could be more reasonable to go through the > pain if kernel required a full-featured device tree for every SoC from > the start. We absolutely should support the newer kernel with older device tree case, what's less clear to me is the new device tree with old kernel which is applying LTS updates case. That does seem incredibly specialist - I'd honestly never heard of people doing that before this thread. [-- Attachment #2: signature.asc --] [-- Type: application/pgp-signature, Size: 488 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@kernel.org> To: Dmitry Osipenko <digetx@gmail.com> Cc: mark.rutland@arm.com, alsa-devel@alsa-project.org, pgaikwad@nvidia.com, lgirdwood@gmail.com, spujar@nvidia.com, mperttunen@nvidia.com, thierry.reding@gmail.com, josephl@nvidia.com, linux-clk@vger.kernel.org, mmaddireddy@nvidia.com, daniel.lezcano@linaro.org, krzk@kernel.org, jonathanh@nvidia.com, mturquette@baylibre.com, devicetree@vger.kernel.org, arnd@arndb.de, markz@nvidia.com, alexios.zavras@intel.com, robh+dt@kernel.org, tiwai@suse.com, linux-tegra@vger.kernel.org, horms+renesas@verge.net.au, tglx@linutronix.de, allison@lohutok.net, sboyd@kernel.org, gregkh@linuxfoundation.org, pdeschrijver@nvidia.com, linux-kernel@vger.kernel.org, vidyas@nvidia.com, Jisheng.Zhang@synaptics.com, Sowjanya Komatineni <skomatineni@nvidia.com> Subject: Re: [alsa-devel] [PATCH v3 09/15] ASoC: tegra: Add fallback for audio mclk Date: Tue, 10 Dec 2019 18:59:33 +0000 [thread overview] Message-ID: <20191210185933.GJ6110@sirena.org.uk> (raw) In-Reply-To: <560185d9-32fd-a85e-5feb-105f79b953c6@gmail.com> [-- Attachment #1.1: Type: text/plain, Size: 827 bytes --] On Tue, Dec 10, 2019 at 09:24:43PM +0300, Dmitry Osipenko wrote: > In some cases it could be painful to maintain device-tree compatibility > for platforms like NVIDIA Tegra SoCs because hardware wasn't modeled > correctly from the start. > I agree that people should use relevant device-trees. It's quite a lot > of hassle to care about compatibility for platforms that are permanently > in a development state. It could be more reasonable to go through the > pain if kernel required a full-featured device tree for every SoC from > the start. We absolutely should support the newer kernel with older device tree case, what's less clear to me is the new device tree with old kernel which is applying LTS updates case. That does seem incredibly specialist - I'd honestly never heard of people doing that before this thread. [-- Attachment #1.2: signature.asc --] [-- Type: application/pgp-signature, Size: 488 bytes --] [-- Attachment #2: Type: text/plain, Size: 161 bytes --] _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
next prev parent reply other threads:[~2019-12-10 18:59 UTC|newest] Thread overview: 160+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-12-06 2:48 [PATCH v3 00/15] Move PMC clocks into Tegra PMC driver Sowjanya Komatineni 2019-12-06 2:48 ` [alsa-devel] " Sowjanya Komatineni 2019-12-06 2:48 ` Sowjanya Komatineni 2019-12-06 2:48 ` [PATCH v3 01/15] dt-bindings: soc: tegra-pmc: Add Tegra PMC clock bindings Sowjanya Komatineni 2019-12-06 2:48 ` [alsa-devel] " Sowjanya Komatineni 2019-12-06 2:48 ` Sowjanya Komatineni 2019-12-06 18:58 ` Michał Mirosław 2019-12-06 18:58 ` [alsa-devel] " Michał Mirosław 2019-12-06 2:48 ` [PATCH v3 02/15] dt-bindings: tegra: Convert Tegra PMC bindings to YAML Sowjanya Komatineni 2019-12-06 2:48 ` [alsa-devel] " Sowjanya Komatineni 2019-12-06 2:48 ` Sowjanya Komatineni 2019-12-06 2:48 ` [PATCH v3 03/15] soc: tegra: Add Tegra PMC clock registrations into PMC driver Sowjanya Komatineni 2019-12-06 2:48 ` [alsa-devel] " Sowjanya Komatineni 2019-12-06 2:48 ` Sowjanya Komatineni 2019-12-07 14:28 ` Dmitry Osipenko 2019-12-07 14:28 ` [alsa-devel] " Dmitry Osipenko 2019-12-07 15:47 ` Dmitry Osipenko 2019-12-07 15:47 ` [alsa-devel] " Dmitry Osipenko 2019-12-07 15:53 ` Dmitry Osipenko 2019-12-07 15:53 ` [alsa-devel] " Dmitry Osipenko 2019-12-07 16:00 ` Dmitry Osipenko 2019-12-07 16:00 ` [alsa-devel] " Dmitry Osipenko 2019-12-07 19:59 ` Sowjanya Komatineni 2019-12-07 19:59 ` Sowjanya Komatineni 2019-12-07 21:36 ` Sowjanya Komatineni 2019-12-07 21:36 ` Sowjanya Komatineni 2019-12-09 20:12 ` Dmitry Osipenko 2019-12-09 20:12 ` [alsa-devel] " Dmitry Osipenko 2019-12-09 20:46 ` Sowjanya Komatineni 2019-12-09 20:46 ` Sowjanya Komatineni 2019-12-09 23:03 ` Sowjanya Komatineni 2019-12-09 23:03 ` Sowjanya Komatineni 2019-12-10 16:53 ` Sowjanya Komatineni 2019-12-10 16:53 ` Sowjanya Komatineni 2019-12-10 17:41 ` Dmitry Osipenko 2019-12-10 17:41 ` [alsa-devel] " Dmitry Osipenko 2019-12-11 1:06 ` Sowjanya Komatineni 2019-12-11 1:06 ` Sowjanya Komatineni 2019-12-11 18:50 ` Sowjanya Komatineni 2019-12-11 18:50 ` Sowjanya Komatineni 2019-12-12 1:39 ` Dmitry Osipenko 2019-12-12 1:39 ` [alsa-devel] " Dmitry Osipenko 2019-12-12 3:45 ` Sowjanya Komatineni 2019-12-12 3:45 ` Sowjanya Komatineni 2019-12-12 3:54 ` Sowjanya Komatineni 2019-12-12 3:54 ` Sowjanya Komatineni 2019-12-12 22:13 ` Dmitry Osipenko 2019-12-12 22:13 ` [alsa-devel] " Dmitry Osipenko 2019-12-11 15:10 ` Peter De Schrijver 2019-12-11 15:10 ` [alsa-devel] " Peter De Schrijver 2019-12-11 15:10 ` Peter De Schrijver 2019-12-12 1:43 ` Dmitry Osipenko 2019-12-12 1:43 ` [alsa-devel] " Dmitry Osipenko 2019-12-16 12:20 ` Peter De Schrijver 2019-12-16 12:20 ` [alsa-devel] " Peter De Schrijver 2019-12-16 12:20 ` Peter De Schrijver 2019-12-16 14:23 ` Dmitry Osipenko 2019-12-16 14:23 ` [alsa-devel] " Dmitry Osipenko 2019-12-16 15:11 ` Peter De Schrijver 2019-12-16 15:11 ` [alsa-devel] " Peter De Schrijver 2019-12-16 15:11 ` Peter De Schrijver 2019-12-16 15:24 ` Peter De Schrijver 2019-12-16 15:24 ` [alsa-devel] " Peter De Schrijver 2019-12-16 15:24 ` Peter De Schrijver 2019-12-16 15:49 ` Dmitry Osipenko 2019-12-16 15:49 ` [alsa-devel] " Dmitry Osipenko 2019-12-10 17:41 ` Dmitry Osipenko 2019-12-10 17:41 ` [alsa-devel] " Dmitry Osipenko [not found] ` <22a2f8bd-561d-f4c6-4eef-bb61095c53b2@nvidia.com> 2019-12-10 18:30 ` Dmitry Osipenko 2019-12-10 18:30 ` [alsa-devel] " Dmitry Osipenko 2019-12-10 19:18 ` Sowjanya Komatineni 2019-12-10 19:18 ` Sowjanya Komatineni 2019-12-10 20:31 ` Dmitry Osipenko 2019-12-10 20:31 ` [alsa-devel] " Dmitry Osipenko 2019-12-06 2:48 ` [PATCH v3 04/15] dt-bindings: soc: tegra-pmc: Add id for Tegra PMC blink control Sowjanya Komatineni 2019-12-06 2:48 ` [alsa-devel] " Sowjanya Komatineni 2019-12-06 2:48 ` Sowjanya Komatineni 2019-12-06 2:48 ` [PATCH v3 05/15] soc: pmc: Add blink output clock registration to Tegra PMC Sowjanya Komatineni 2019-12-06 2:48 ` [alsa-devel] " Sowjanya Komatineni 2019-12-06 2:48 ` Sowjanya Komatineni 2019-12-06 2:48 ` [PATCH v3 06/15] clk: tegra: Remove tegra_pmc_clk_init along with clk ids Sowjanya Komatineni 2019-12-06 2:48 ` [alsa-devel] " Sowjanya Komatineni 2019-12-06 2:48 ` Sowjanya Komatineni 2019-12-07 14:33 ` Dmitry Osipenko 2019-12-07 14:33 ` [alsa-devel] " Dmitry Osipenko 2019-12-07 14:43 ` Dmitry Osipenko 2019-12-07 14:43 ` [alsa-devel] " Dmitry Osipenko 2019-12-07 15:04 ` Dmitry Osipenko 2019-12-07 15:04 ` [alsa-devel] " Dmitry Osipenko 2019-12-07 19:35 ` Sowjanya Komatineni 2019-12-07 19:35 ` Sowjanya Komatineni 2019-12-07 23:24 ` Dmitry Osipenko 2019-12-07 23:24 ` [alsa-devel] " Dmitry Osipenko 2019-12-06 2:48 ` [PATCH v3 07/15] dt-bindings: clock: tegra: Remove pmc clock ids from clock dt-bindings Sowjanya Komatineni 2019-12-06 2:48 ` [alsa-devel] " Sowjanya Komatineni 2019-12-06 2:48 ` Sowjanya Komatineni 2019-12-06 2:48 ` [PATCH v3 08/15] ASoC: tegra: Add audio mclk control through clk_out_1 and extern1 Sowjanya Komatineni 2019-12-06 2:48 ` [alsa-devel] " Sowjanya Komatineni 2019-12-06 2:48 ` Sowjanya Komatineni 2019-12-07 14:58 ` Dmitry Osipenko 2019-12-07 14:58 ` [alsa-devel] " Dmitry Osipenko 2019-12-07 19:20 ` Sowjanya Komatineni 2019-12-07 19:20 ` Sowjanya Komatineni 2019-12-09 20:06 ` Dmitry Osipenko 2019-12-09 20:06 ` [alsa-devel] " Dmitry Osipenko 2019-12-09 23:05 ` Sowjanya Komatineni 2019-12-09 23:05 ` Sowjanya Komatineni 2019-12-09 23:12 ` Dmitry Osipenko 2019-12-09 23:12 ` [alsa-devel] " Dmitry Osipenko 2019-12-10 0:54 ` Sowjanya Komatineni 2019-12-10 0:54 ` Sowjanya Komatineni 2019-12-17 1:29 ` Sowjanya Komatineni 2019-12-17 1:29 ` Sowjanya Komatineni 2019-12-17 15:36 ` Dmitry Osipenko 2019-12-17 15:36 ` [alsa-devel] " Dmitry Osipenko 2019-12-17 16:12 ` Sowjanya Komatineni 2019-12-17 16:12 ` Sowjanya Komatineni 2019-12-17 16:16 ` Dmitry Osipenko 2019-12-17 16:16 ` [alsa-devel] " Dmitry Osipenko 2019-12-17 16:39 ` Sowjanya Komatineni 2019-12-17 16:39 ` Sowjanya Komatineni 2019-12-17 16:46 ` Dmitry Osipenko 2019-12-17 16:46 ` [alsa-devel] " Dmitry Osipenko 2019-12-06 2:48 ` [PATCH v3 09/15] ASoC: tegra: Add fallback for audio mclk Sowjanya Komatineni 2019-12-06 2:48 ` [alsa-devel] " Sowjanya Komatineni 2019-12-06 2:48 ` Sowjanya Komatineni 2019-12-06 17:49 ` Sowjanya Komatineni 2019-12-06 17:49 ` [alsa-devel] " Sowjanya Komatineni 2019-12-06 17:49 ` Sowjanya Komatineni 2019-12-06 17:56 ` Greg KH 2019-12-06 17:56 ` [alsa-devel] " Greg KH 2019-12-09 16:40 ` Mark Brown 2019-12-09 16:40 ` [alsa-devel] " Mark Brown 2019-12-09 20:31 ` Dmitry Osipenko 2019-12-09 20:31 ` [alsa-devel] " Dmitry Osipenko 2019-12-09 20:47 ` Mark Brown 2019-12-09 20:47 ` [alsa-devel] " Mark Brown 2019-12-10 18:24 ` Dmitry Osipenko 2019-12-10 18:24 ` [alsa-devel] " Dmitry Osipenko 2019-12-10 18:59 ` Mark Brown [this message] 2019-12-10 18:59 ` Mark Brown 2019-12-12 2:17 ` Dmitry Osipenko 2019-12-12 2:17 ` [alsa-devel] " Dmitry Osipenko 2019-12-06 2:48 ` [PATCH v3 10/15] clk: tegra: Remove extern1 and cdev1 from clocks inittable Sowjanya Komatineni 2019-12-06 2:48 ` [alsa-devel] " Sowjanya Komatineni 2019-12-06 2:48 ` Sowjanya Komatineni 2019-12-06 2:48 ` [PATCH v3 11/15] ARM: dts: tegra: Add clock-cells property to pmc Sowjanya Komatineni 2019-12-06 2:48 ` [alsa-devel] " Sowjanya Komatineni 2019-12-06 2:48 ` Sowjanya Komatineni 2019-12-07 14:26 ` [PATCH v3 00/15] Move PMC clocks into Tegra PMC driver Dmitry Osipenko 2019-12-07 14:26 ` [alsa-devel] " Dmitry Osipenko 2019-12-07 19:22 ` Sowjanya Komatineni 2019-12-07 19:22 ` Sowjanya Komatineni [not found] <1575600438-26795-1-git-send-email-skomatineni@nvidia.com> 2019-12-06 2:47 ` [PATCH v3 09/15] ASoC: tegra: Add fallback for audio mclk Sowjanya Komatineni 2019-12-06 7:09 ` Greg KH 2019-12-06 16:19 ` Sowjanya Komatineni 2019-12-06 16:29 ` Greg KH 2019-12-06 17:11 ` Sowjanya Komatineni 2019-12-06 17:15 ` Sowjanya Komatineni 2019-12-06 17:55 ` Greg KH
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