Re: [PATCH v1 00/10] *** imx-sdma: misc fix ***

[Jiada Wang]

Hello community

Is there any comment regarding this patch set?

Thanks,
Jiada

On 05/17/2016 12:48 PM, Jiada Wang wrote:
> this patch set contains the following changes
> 1. fix issues in cyclic dma
> 2. add support to SYNC DMA termination
> 3. avoid system hang, when SDMA channel 0 timeouts
> 4. add lock to prevent race condition
>
> Jiada Wang (10):
>   dma: imx-sdma: use chn_real_count to report residue for UART
>   dma: imx-sdma: don't update BD in isr routine
>   dma: imx-sdma: clear BD_RROR flag before pass it to sdma script
>   dma: imx-sdma: update sdma channel status for cyclic dma
>   dma: imx-sdma: add flag to indicate SDMA channel state
>   dma: imx-sdma: add terminate_all support
>   dma: imx-sdma: Add synchronization support
>   dma: imx-sdma: abort updating channel when it has been terminated
>   dma: imx-sdma: disable channel 0 when it timeouts
>   dma: imx-sdma: clear channel0 interrupt bit in irq routine
>
>  drivers/dma/imx-sdma.c | 113 +++++++++++++++++++++++++++++++++++--------------
>  1 file changed, 82 insertions(+), 31 deletions(-)