From: Andy Shevchenko <andriy.shevchenko@intel.com>
To: "Nuno Sá" <nuno.sa@analog.com>
Cc: linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org,
linux-arm-msm@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org, linux-iio@vger.kernel.org,
linux-sound@vger.kernel.org, linux-spi@vger.kernel.org,
"Vinod Koul" <vkoul@kernel.org>, "Frank Li" <Frank.Li@kernel.org>,
"Lars-Peter Clausen" <lars@metafoo.de>,
"Eugeniy Paltsev" <Eugeniy.Paltsev@synopsys.com>,
"Amélie Delaunay" <amelie.delaunay@foss.st.com>,
"Maxime Coquelin" <mcoquelin.stm32@gmail.com>,
"Alexandre Torgue" <alexandre.torgue@foss.st.com>,
"Jonathan Cameron" <jic23@kernel.org>,
"David Lechner" <dlechner@baylibre.com>,
"Andy Shevchenko" <andy@kernel.org>,
"Jaroslav Kysela" <perex@perex.cz>,
"Takashi Iwai" <tiwai@suse.com>,
"Mark Brown" <broonie@kernel.org>, "Frank Li" <Frank.Li@nxp.com>
Subject: Re: [PATCH v3 9/9] dmaengine: Drop legacy bus width fields from dma_slave_caps
Date: Mon, 31 Aug 2026 16:49:13 +0300 [thread overview]
Message-ID: <apWGWdLTmpRVGTWX@ashevche-desk.local> (raw)
In-Reply-To: <20260831-dmaengine-support-wider-dma-masks-v3-9-507d97496f2d@analog.com>
On Mon, Aug 31, 2026 at 12:46:46PM +0100, Nuno Sá wrote:
> All users of dma_get_slave_caps() that inspect bus width capabilities now
> use the bitmap helpers.
>
> Hence, remove the legacy u32 src_addr_widths and dst_addr_widths fields
> from struct dma_slave_caps and stop copying the dma_device masks into
> them.
>
> Note the legacy u32 src_addr_widths and dst_addr_widths fields in struct
> dma_device are kept for now as every DMA controller driver setting them
> still has to be converted to the new helpers. dma_get_slave_caps() keeps
> folding those masks into the bitmaps it returns so unconverted producers
> continue to work during the transition.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2026-08-31 13:49 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-31 11:46 [PATCH v3 0/9] dmaengine: Support bus widths of 32 bytes and above Nuno Sá
2026-08-31 11:46 ` [PATCH v3 1/9] " Nuno Sá
2026-08-31 13:45 ` Andy Shevchenko
2026-08-31 15:56 ` Nuno Sá
2026-09-01 7:18 ` Andy Shevchenko
2026-08-31 11:46 ` [PATCH v3 2/9] dmaengine: dma-axi-dmac: Use bus width capability helpers Nuno Sá
2026-08-31 11:46 ` [PATCH v3 3/9] dmaengine: dw-axi-dmac: " Nuno Sá
2026-08-31 11:46 ` [PATCH v3 4/9] dmaengine: qcom: gpi: " Nuno Sá
2026-08-31 11:46 ` [PATCH v3 5/9] dmaengine: stm32-dma3: " Nuno Sá
2026-08-31 14:01 ` Amelie Delaunay
2026-09-01 8:25 ` Nuno Sá
2026-08-31 11:46 ` [PATCH v3 6/9] iio: buffer-dmaengine: Use dma_slave_caps bus width accessors Nuno Sá
2026-08-31 11:46 ` [PATCH v3 7/9] ALSA: pcm_dmaengine: Use dma_slave_caps bus width helpers Nuno Sá
2026-08-31 11:46 ` [PATCH v3 8/9] spi: dw: " Nuno Sá
2026-08-31 12:12 ` Mark Brown
2026-08-31 13:47 ` Andy Shevchenko
2026-08-31 11:46 ` [PATCH v3 9/9] dmaengine: Drop legacy bus width fields from dma_slave_caps Nuno Sá
2026-08-31 13:49 ` Andy Shevchenko [this message]
2026-08-31 13:50 ` [PATCH v3 0/9] dmaengine: Support bus widths of 32 bytes and above Andy Shevchenko
2026-08-31 15:51 ` Nuno Sá
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