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From: Mark Brown <broonie@kernel.org>
To: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Cezary Rojewski <cezary.rojewski@intel.com>,
	alsa-devel@alsa-project.org, "Kaczmarski,
	Filip" <filip.kaczmarski@intel.com>,
	tiwai@suse.com, lgirdwood@gmail.com, "Wasko,
	Michal" <michal.wasko@linux.intel.com>,
	"Wasko, Michal" <michal.wasko@intel.com>
Subject: Re: [PATCH 00/35] ASoC: Intel: Clenaup SST initialization
Date: Tue, 27 Aug 2019 20:06:08 +0100	[thread overview]
Message-ID: <20190827190608.GL23391@sirena.co.uk> (raw)
In-Reply-To: <15484165-d751-b60e-f703-de7c1fa1ad17@linux.intel.com>


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On Mon, Aug 26, 2019 at 11:51:32AM -0500, Pierre-Louis Bossart wrote:
> On 8/26/19 2:24 AM, Wasko, Michal wrote:

> > If the driver and FW update will be within the same kernel release then
> > IMHO
> > there should be no compatibility problem between those two components,
> > right?
> > This way kernel users willing to stick to old FW can stay on older
> > kernel version while
> > others can update and receive all the latest FW functionality that was
> > developed and enabled.

> I am not comfortable with precluding a kernel update because of a single
> firmware file. There are all sort of reasons for updating a kernel,
> security, sideband attacks and Android CDD compatibility being the most
> obvious ones.

Right, this is the whole ABI guarantee thing - we'd need an
incredibly strong reason to require a change in firmware for
upgrade of existing systems.


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      parent reply	other threads:[~2019-08-27 19:06 UTC|newest]

Thread overview: 107+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-22 19:03 [PATCH 00/35] ASoC: Intel: Clenaup SST initialization Cezary Rojewski
2019-08-22 19:03 ` [PATCH 01/35] ASoC: Intel: Skylake: Put FW runtime params defs in one place Cezary Rojewski
2019-08-22 19:03 ` [PATCH 02/35] ASoC: Intel: Skylake: Add FIRMWARE_CONFIG IPC request Cezary Rojewski
2019-08-23 18:24   ` Pierre-Louis Bossart
2019-08-24  9:17     ` Cezary Rojewski
2019-08-26 16:27       ` Pierre-Louis Bossart
2019-08-26 19:34         ` Cezary Rojewski
2019-08-22 19:03 ` [PATCH 03/35] ASoC: Intel: Skylake: Add HARDWARE_CONFIG " Cezary Rojewski
2019-08-23 18:32   ` Pierre-Louis Bossart
2019-08-24  9:30     ` Cezary Rojewski
2019-08-22 19:03 ` [PATCH 04/35] ASoC: Intel: Skylake: Unify firmware loading mechanism Cezary Rojewski
2019-08-23 18:40   ` Pierre-Louis Bossart
2019-08-24  9:34     ` Cezary Rojewski
2019-08-26 16:31       ` Pierre-Louis Bossart
2019-08-26 19:50         ` Cezary Rojewski
2019-08-22 19:03 ` [PATCH 05/35] ASoC: Intel: Skylake: Reload libraries on D0 entry for CNL Cezary Rojewski
2019-08-22 19:03 ` [PATCH 06/35] ASoC: Intel: Skylake: Unhardcode dsp cores number Cezary Rojewski
2019-08-22 19:03 ` [PATCH 07/35] ASoC: Intel: Skylake: Update interrupt disabling routine Cezary Rojewski
2019-08-22 19:03 ` [PATCH 08/35] ASoC: Intel: Skylake: Inline ipc free operations Cezary Rojewski
2019-08-22 19:03 ` [PATCH 09/35] ASoC: Intel: Skylake: Unify driver cleanup mechanism Cezary Rojewski
2019-08-22 19:04 ` [PATCH 10/35] ASoC: Intel: Relocate irq thread header to sst_ops Cezary Rojewski
2019-08-22 19:04 ` [PATCH 11/35] ASoC: Intel: Merge sst_dsp_device into sst_pdata Cezary Rojewski
2019-08-23 18:54   ` Pierre-Louis Bossart
2019-08-24 10:52     ` Cezary Rojewski
2019-08-22 19:04 ` [PATCH 12/35] ASoC: Intel: Skylake: Reuse sst_dsp_free Cezary Rojewski
2019-08-23 19:07   ` Pierre-Louis Bossart
2019-08-24  9:35     ` Cezary Rojewski
2019-08-22 19:04 ` [PATCH 13/35] ASoC: Intel: Skylake: Reuse sst_dsp_new Cezary Rojewski
2019-08-23 19:09   ` Pierre-Louis Bossart
2019-08-24  9:37     ` Cezary Rojewski
2019-08-22 19:04 ` [PATCH 14/35] ASoC: Intel: Skylake: Remove skl_dsp_acquire_irq Cezary Rojewski
2019-08-22 19:04 ` [PATCH 15/35] ASoC: Intel: Skylake: Use dsp loading functions directly Cezary Rojewski
2019-08-23 19:17   ` Pierre-Louis Bossart
2019-08-24  9:41     ` Cezary Rojewski
2019-08-22 19:04 ` [PATCH 16/35] ASoC: Intel: Skylake: Make dsp_ops::stream_tag obsolete Cezary Rojewski
2019-08-22 19:04 ` [PATCH 17/35] ASoC: Intel: Skylake: Remove skl_dsp_loader_ops Cezary Rojewski
2019-08-23 19:21   ` Pierre-Louis Bossart
2019-08-24  9:49     ` Cezary Rojewski
2019-08-22 19:04 ` [PATCH 18/35] ASoC: Intel: Skylake: Remove window0 sst_addr fields Cezary Rojewski
2019-08-23 19:26   ` Pierre-Louis Bossart
2019-08-24  9:57     ` Cezary Rojewski
2019-08-22 19:04 ` [PATCH 19/35] ASoC: Intel: Skylake: Remove redundant W0 and W1 macros Cezary Rojewski
2019-08-23 19:28   ` Pierre-Louis Bossart
2019-08-24 11:52     ` Cezary Rojewski
2019-08-24 12:04       ` Cezary Rojewski
2019-08-22 19:04 ` [PATCH 20/35] ASoC: Intel: Skylake: Remove redundant SRAM fields Cezary Rojewski
2019-08-22 19:04 ` [PATCH 21/35] ASoC: Intel: Expose ACPI loading members Cezary Rojewski
2019-08-23 19:32   ` Pierre-Louis Bossart
2019-08-24  9:58     ` Cezary Rojewski
2019-08-22 19:04 ` [PATCH 22/35] ASoC: Intel: Haswell: Define separate ACPI loader Cezary Rojewski
2019-08-23 19:35   ` Pierre-Louis Bossart
2019-08-24  9:59     ` Cezary Rojewski
2019-08-22 19:04 ` [PATCH 23/35] ASoC: Intel: Baytrail: " Cezary Rojewski
2019-08-23 19:36   ` Pierre-Louis Bossart
2019-08-22 19:04 ` [PATCH 24/35] ASoC: Intel: Refactor probing of ACPI devices Cezary Rojewski
2019-08-23 19:43   ` Pierre-Louis Bossart
2019-08-24 10:16     ` Cezary Rojewski
2019-08-22 19:04 ` [PATCH 25/35] ASoC: Intel: Skylake: Simplify skl_sst_ctx_init declaration Cezary Rojewski
2019-08-22 19:04 ` [PATCH 26/35] ASoC: Intel: Skylake: Simplify all sst_dsp_init declarations Cezary Rojewski
2019-08-22 19:04 ` [PATCH 27/35] ASoC: Intel: Skylake: Define platform descriptors Cezary Rojewski
2019-08-23 19:50   ` Pierre-Louis Bossart
2019-08-24 10:51     ` Cezary Rojewski
2019-08-26 17:13       ` Pierre-Louis Bossart
2019-08-26 19:18         ` Cezary Rojewski
2019-08-26 21:53           ` Pierre-Louis Bossart
2019-08-22 19:04 ` [PATCH 28/35] ASoC: Intel: Skylake: Update skl_ids table Cezary Rojewski
2019-08-23 20:15   ` Pierre-Louis Bossart
2019-08-22 19:04 ` [PATCH 29/35] ASoC: Intel: Skylake: Flip SST initialization order Cezary Rojewski
2019-08-23 20:18   ` Pierre-Louis Bossart
2019-08-24 10:54     ` Cezary Rojewski
2019-08-26 16:39       ` Pierre-Louis Bossart
2019-08-26 20:03         ` Cezary Rojewski
2019-08-22 19:04 ` [PATCH 30/35] ASoC: Intel: Reuse sst_pdata::fw_name field Cezary Rojewski
2019-08-23 20:20   ` Pierre-Louis Bossart
2019-08-24 10:57     ` Cezary Rojewski
2019-08-22 19:04 ` [PATCH 31/35] ASoC: Intel: Reuse sst_pdata::fw field Cezary Rojewski
2019-08-22 19:04 ` [PATCH 32/35] ASoC: Intel: Skylake: Remove skl_dsp_ops Cezary Rojewski
2019-08-22 19:04 ` [PATCH 33/35] ASoC: Intel: Skylake: Privatize SST init handlers Cezary Rojewski
2019-08-23 20:25   ` Pierre-Louis Bossart
2019-08-24 11:01     ` Cezary Rojewski
2019-08-22 19:04 ` [PATCH 34/35] ASoC: Intel: Skylake: Merge skl_sst_ctx_init into skl_init_dsp Cezary Rojewski
2019-08-22 19:04 ` [PATCH 35/35] ASoC: Intel: Remove obsolete firmware fields Cezary Rojewski
2019-08-23 20:27   ` Pierre-Louis Bossart
2019-08-24 11:02     ` Cezary Rojewski
2019-08-22 20:55 ` [PATCH 00/35] ASoC: Intel: Clenaup SST initialization Pierre-Louis Bossart
2019-08-23  8:29   ` Cezary Rojewski
2019-08-23 10:26     ` Mark Brown
2019-08-23 10:43       ` Cezary Rojewski
2019-08-23 16:26         ` Pierre-Louis Bossart
2019-08-23 18:44           ` Cezary Rojewski
2019-08-23 20:12             ` Pierre-Louis Bossart
2019-08-23 21:39               ` Mark Brown
2019-08-24 13:51                 ` Cezary Rojewski
2019-08-25 11:06                   ` Cezary Rojewski
2019-08-26  7:24                     ` Wasko, Michal
2019-08-26 16:51                       ` Pierre-Louis Bossart
2019-08-26 20:08                         ` Cezary Rojewski
2019-08-26 21:57                           ` Pierre-Louis Bossart
2019-08-27  8:33                             ` Wasko, Michal
2019-08-27 13:52                               ` Pierre-Louis Bossart
2019-08-27 14:58                                 ` Cezary Rojewski
2019-08-27 15:00                                   ` Pierre-Louis Bossart
2019-08-27 15:08                                     ` Cezary Rojewski
2019-08-27 17:18                                       ` Pierre-Louis Bossart
2019-08-27 18:13                                         ` Cezary Rojewski
2019-08-27 19:20                                         ` Mark Brown
2019-08-27 19:06                         ` Mark Brown [this message]

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