From: Mark Brown <broonie@kernel.org>
To: Shengjiu Wang <shengjiu.wang@gmail.com>
Cc: linaro-mm-sig@lists.linaro.org,
Linux-ALSA <alsa-devel@alsa-project.org>,
linuxppc-dev@lists.ozlabs.org,
linux-kernel <linux-kernel@vger.kernel.org>,
Timur Tabi <timur@kernel.org>, Xiubo Li <Xiubo.Lee@gmail.com>,
shawnguo@kernel.org, Shengjiu Wang <shengjiu.wang@nxp.com>,
Takashi Iwai <tiwai@suse.com>,
Liam Girdwood <lgirdwood@gmail.com>,
dri-devel@lists.freedesktop.org, perex@perex.cz,
Nicolin Chen <nicoleotsuka@gmail.com>,
linux-imx@nxp.com, kernel@pengutronix.de,
linux-media@vger.kernel.org, s.hauer@pengutronix.de,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ASoC: fsl: imx-pcm-dma: Don't request dma channel in probe
Date: Wed, 20 May 2020 13:38:50 +0100 [thread overview]
Message-ID: <20200520123850.GE4823@sirena.org.uk> (raw)
In-Reply-To: <CAA+D8APAMRwtVneqFsuBgAhozmQo3R0AQi0bVdUCQO4Af4xVfw@mail.gmail.com>
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On Wed, May 20, 2020 at 07:22:19PM +0800, Shengjiu Wang wrote:
> I see some driver also request dma channel in open() or hw_params().
> how can they avoid the defer probe issue?
> for example：
> sound/arm/pxa2xx-pcm-lib.c
> sound/soc/sprd/sprd-pcm-dma.c
Other drivers having problems means those drivers should be fixed, not
that we should copy the problems. In the case of the PXA driver that's
very old code which predates deferred probe by I'd guess a decade.
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next prev parent reply other threads:[~2020-05-20 12:38 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-19 9:41 [PATCH] ASoC: fsl: imx-pcm-dma: Don't request dma channel in probe Shengjiu Wang
2020-05-19 10:01 ` Lucas Stach
2020-05-20 8:20 ` Shengjiu Wang
2020-05-20 9:42 ` Lucas Stach
2020-05-20 11:22 ` Shengjiu Wang
2020-05-20 12:38 ` Mark Brown [this message]
2020-05-21 11:30 ` Shengjiu Wang
2020-05-22 13:12 ` Mark Brown
2021-04-14 14:33 ` Robin Gong
2021-04-14 15:33 ` Lucas Stach
2021-04-19 7:17 ` Robin Gong
2021-04-19 9:46 ` Lucas Stach
2021-04-20 13:47 ` Robin Gong
2021-04-20 14:00 ` Lucas Stach
2021-04-21 14:54 ` Robin Gong
2021-04-21 17:43 ` Lucas Stach
2021-04-21 17:46 ` Mark Brown
2021-04-22 3:33 ` Robin Gong
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