[PATCH 00/11] dmaengine: kill off dma_slave_config->slave_id

[Arnd Bergmann]

From: Arnd Bergmann <arnd at arndb.de>

I recently came across some new uses of the 'slave_id' field that
I had (almost) removed a few years ago. There are no legitimate
uses of this field in the kernel, only a few stale references and
two drivers that abuse the field as a side-channel between the
dmaengine driver and its client.

Let's change the xilinx and qualcomm drivers to use the documented
side-channel (peripheral_data) instead, and remove the remnants of
it to prevent new users from coming in.

As the last patch in the series depends on all the others, it would
be nice have everything merged into the dmaengine tree for v5.17.

       Arnd

Arnd Bergmann (11):
  ASoC: dai_dma: remove slave_id field
  spi: pic32: stop setting dma_config->slave_id
  mmc: bcm2835: stop setting chan_config->slave_id
  dmaengine: shdma: remove legacy slave_id parsing
  dmaengine: pxa/mmp: stop referencing config->slave_id
  dmaengine: sprd: stop referencing config->slave_id
  dmaengine: qcom-adm: stop abusing slave_id config
  dmaengine: xilinx_dpdma: stop using slave_id field
  dmaengine: tegra20-apb: stop checking config->slave_id
  staging: ralink-gdma: stop using slave_id config
  dmaengine: remove slave_id config field

 drivers/dma/mmp_pdma.c                    |  6 ---
 drivers/dma/pxa_dma.c                     |  7 ---
 drivers/dma/qcom/qcom_adm.c               | 56 ++++++++++++++++++++---
 drivers/dma/sh/shdma-base.c               |  8 ----
 drivers/dma/sprd-dma.c                    |  3 --
 drivers/dma/tegra20-apb-dma.c             |  6 ---
 drivers/dma/xilinx/xilinx_dpdma.c         | 12 +++--
 drivers/gpu/drm/xlnx/zynqmp_disp.c        |  9 +++-
 drivers/mmc/host/bcm2835.c                |  2 -
 drivers/mtd/nand/raw/qcom_nandc.c         | 14 +++++-
 drivers/spi/spi-pic32.c                   |  2 -
 drivers/staging/ralink-gdma/ralink-gdma.c | 12 ++---
 drivers/tty/serial/msm_serial.c           | 15 +++++-
 include/linux/dma/qcom_adm.h              | 12 +++++
 include/linux/dma/xilinx_dpdma.h          | 11 +++++
 include/linux/dmaengine.h                 |  4 --
 include/sound/dmaengine_pcm.h             |  2 -
 sound/core/pcm_dmaengine.c                |  5 +-
 sound/soc/tegra/tegra20_spdif.c           |  1 -
 19 files changed, 119 insertions(+), 68 deletions(-)
 create mode 100644 include/linux/dma/qcom_adm.h
 create mode 100644 include/linux/dma/xilinx_dpdma.h

-- 
2.30.2

Cc: Andy Gross <agross at kernel.org>
Cc: Andy Shevchenko <andriy.shevchenko at linux.intel.com>
Cc: Arnd Bergmann <arnd at arndb.de>
Cc: Baolin Wang <baolin.wang7 at gmail.com>
Cc: Bjorn Andersson <bjorn.andersson at linaro.org>
Cc: Chunyan Zhang <zhang.lyra at gmail.com>
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
Cc: Hyun Kwon <hyun.kwon at xilinx.com>
Cc: Jaroslav Kysela <perex at perex.cz>
Cc: Jon Hunter <jonathanh at nvidia.com>
Cc: Lars-Peter Clausen <lars at metafoo.de>
Cc: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
Cc: Laxman Dewangan <ldewangan at nvidia.com>
Cc: Manivannan Sadhasivam <mani at kernel.org>
Cc: Mark Brown <broonie at kernel.org>
Cc: Michal Simek <michal.simek at xilinx.com>
Cc: Nicolas Saenz Julienne <nsaenz at kernel.org>
Cc: Orson Zhai <orsonzhai at gmail.com>
Cc: Robert Jarzmik <robert.jarzmik at free.fr>
Cc: Scott Branden <sbranden at broadcom.com>
Cc: Takashi Iwai <tiwai at suse.com>
Cc: Thierry Reding <thierry.reding at gmail.com>
Cc: Vinod Koul <vkoul at kernel.org>
Cc: alsa-devel at alsa-project.org
Cc: bcm-kernel-feedback-list at broadcom.com
Cc: dmaengine at vger.kernel.org
Cc: dri-devel at lists.freedesktop.org
Cc: linux-arm-kernel at lists.infradead.org
Cc: linux-arm-msm at vger.kernel.org
Cc: linux-kernel at vger.kernel.org
Cc: linux-mmc at vger.kernel.org
Cc: linux-mtd at lists.infradead.org
Cc: linux-rpi-kernel at lists.infradead.org
Cc: linux-serial at vger.kernel.org
Cc: linux-spi at vger.kernel.org
Cc: linux-staging at lists.linux.dev
Cc: linux-tegra at vger.kernel.org