Hi Vinod and Palmer, This patchset got some reviewed-by and acked-by, if it is good to you as well, are you willing to help me to pick them? Thanks. On Mon, Mar 28, 2022 at 5:52 PM Zong Li <zong.li@xxxxxxxxxx> wrote: > > The PDMA driver currently assumes there are four channels by default, it > might cause the error if there is actually less than four channels. > Change that by getting number of channel dynamically from device tree. > For backwards-compatible, it uses the default value (i.e. 4) when there > is no 'dma-channels' information in dts. > > This patch set contains the dts and dt-bindings change. > > Changed in v8: > - Rebase on master > - Remove modification of microchip-mpfs.dtsi > - Rename DMA node name of fu540-c000.dtsi > > Changed in v7: > - Rebase on tag v5.17-rc7 > - Modify the subject of patch > > Changed in v6: > - Rebase on tag v5.17-rc6 > - Change sf_pdma.chans[] to a flexible array member. > > Changed in v5: > - Rebase on tag v5.17-rc3 > - Fix typo in dt-bindings and commit message > - Add PDMA versioning scheme for compatible > > Changed in v4: > - Remove cflags of debug use reported-by: kernel test robot <lkp@xxxxxxxxx> > > Changed in v3: > - Fix allocating wrong size > - Return error if 'dma-channels' is larger than maximum > > Changed in v2: > - Rebase on tag v5.16 > - Use 4 as default value of dma-channels > > Zong Li (4): > dt-bindings: dma-engine: sifive,fu540: Add dma-channels property and > modify compatible > riscv: dts: Add dma-channels property and modify compatible > riscv: dts: rename the node name of dma > dmaengine: sf-pdma: Get number of channel by device tree > > .../bindings/dma/sifive,fu540-c000-pdma.yaml | 19 +++++++++++++-- > arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 5 ++-- > drivers/dma/sf-pdma/sf-pdma.c | 24 ++++++++++++------- > drivers/dma/sf-pdma/sf-pdma.h | 8 ++----- > 4 files changed, 38 insertions(+), 18 deletions(-) > > -- > 2.35.1 >
