From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>

Hi,

Series adds tx_status and pause/resume support for the rz-dmac driver.
Along with it were added fixes and improvements identified while working
on the above mentioned enhancements.

Previous versions were addressed by Biju. The previous versions were
posted here:

v4: https://lore.kernel.org/all/20240628151728.84470-1-biju.das.jz@bp.renesas.com/
v3: https://lore.kernel.org/all/20230412152445.117439-1-biju.das.jz@bp.renesas.com/
v2: https://lore.kernel.org/all/20230405140842.201883-1-biju.das.jz@bp.renesas.com/
v1: https://lore.kernel.org/all/20230324094957.115071-1-biju.das.jz@bp.renesas.com/

Changes in v6:
- added patches:
-- dmaengine: sh: rz-dmac: Drop read of CHCTRL register
-- dmaengine: sh: rz-dmac: Drop goto instruction and label
- use vc lock in IRQ handler only for the error path
- fixed typos
- adjusted patch
  "dmaengine: sh: rz-dmac: Add device_{pause,resume}() callbacks"

Changes in v5:
- added patches
-- dmaengine: sh: rz-dmac: Add rz_dmac_invalidate_lmdesc()
-- dmaengine: sh: rz-dmac: Protect the driver specific lists
-- dmaengine: sh: rz-dmac: Move all CHCTRL updates under spinlock
-- dmaengine: sh: rz-dmac: Drop unnecessary local_irq_save() call
-- dmaengine: sh: rz-dmac: Add device_{pause,resume}() callbacks
-- dmaengine: sh: rz-dmac: Add rz_dmac_invalidate_lmdesc()
- for pause/resume used the DMA controller support to pause/resume
  transfers compared with previous versions
- adjusted patches:
-- dmaengine: sh: rz-dmac: Add device_tx_status() callback

Thank you,
Claudiu

Biju Das (2):
  dmaengine: sh: rz-dmac: Add rz_dmac_invalidate_lmdesc()
  dmaengine: sh: rz-dmac: Add device_tx_status() callback

Claudiu Beznea (6):
  dmaengine: sh: rz-dmac: Protect the driver specific lists
  dmaengine: sh: rz-dmac: Move CHCTRL updates under spinlock
  dmaengine: sh: rz-dmac: Drop read of CHCTRL register
  dmaengine: sh: rz-dmac: Drop goto instruction and label
  dmaengine: sh: rz-dmac: Drop unnecessary local_irq_save() call
  dmaengine: sh: rz-dmac: Add device_{pause,resume}() callbacks

 drivers/dma/sh/rz-dmac.c | 281 ++++++++++++++++++++++++++++++++-------
 1 file changed, 231 insertions(+), 50 deletions(-)

-- 
2.43.0