[PATCH v2 00/10] i.MX SDMA cleanups and fixes

[Joy Zou]

On Wed, Feb 25, 2026 at 06:05:33PM +0100, Marco Felsch wrote:
> On 26-02-25, Frank Li wrote:
> > On Thu, Sep 11, 2025 at 11:56:41PM +0200, Marco Felsch wrote:
> > > Hi,
> > >
> > > by this series the i.MX SDMA handling for i.MX8M devices is fixed. This
> > > is required because these SoCs do have multiple SPBA busses.
> > >
> > > Furthermore this series does some cleanups to prepare the driver for the
> > > upcoming DMA devlink support. The DMA devlink support is required to fix
> > > the consumer <-> provider issue because the current i.MX SDMA driver
> > > doesn't honor current active DMA users once the i.MX SDMA driver is
> > > getting removed. Which can lead into very situations e.g. hang the whole
> > > system.
> > 
> > Marco Felsch:
> > 
> > 	Can you help rebase these patches?
> 
> Sure, will do.
Hi Marco,
	Are you planning to release another patchset version?
BR
Joy Zou
> 
> Regards,
>   Marco
> 
> 
> > 
> > Frank
> > 
> > >
> > > Regards,
> > >   Marco
> > >
> > > Signed-off-by: Marco Felsch <m.felsch at pengutronix.de>
> > > ---
> > > Changes in v2:
> > > - Link to v1: https://lore.kernel.org/r/20250903-v6-16-topic-sdma-v1-0-ac7bab629e8b@pengutronix.de
> > > - Split DMA devlink support and SDMA driver fixes&cleanups into two series
> > > - Make of_dma_controller_free() fix backportable
> > > - Update struct sdma_channel documentation
> > > - Shuffle patches to have fixes patches at the very start of the series
> > > - Fix commit message wording
> > > - Check return value of devm_add_action_or_reset()
> > >
> > > ---
> > > Marco Felsch (10):
> > >       dmaengine: imx-sdma: fix missing of_dma_controller_free()
> > >       dmaengine: imx-sdma: fix spba-bus handling for i.MX8M
> > >       dmaengine: imx-sdma: drop legacy device_node np check
> > >       dmaengine: imx-sdma: sdma_remove minor cleanups
> > >       dmaengine: imx-sdma: cosmetic cleanup
> > >       dmaengine: imx-sdma: make use of devm_kzalloc for script_addrs
> > >       dmaengine: imx-sdma: make use of devm_clk_get_prepared()
> > >       dmaengine: imx-sdma: make use of devm_add_action_or_reset to unregiser the dma_device
> > >       dmaengine: imx-sdma: make use of devm_add_action_or_reset to unregiser the dma-controller
> > >       dmaengine: imx-sdma: make use of dev_err_probe()
> > >
> > >  drivers/dma/imx-sdma.c | 181 ++++++++++++++++++++++++++-----------------------
> > >  1 file changed, 96 insertions(+), 85 deletions(-)
> > > ---
> > > base-commit: 038d61fd642278bab63ee8ef722c50d10ab01e8f
> > > change-id: 20250903-v6-16-topic-sdma-4c8fd3bb0738
> > >
> > > Best regards,
> > > --
> > > Marco Felsch <m.felsch at pengutronix.de>
> > >
> > 
> 
> -- 
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> #CallMeByMyFirstName
> 
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