Re: [PATCH] dmaengine: qcom_hidma: simplify DT resource parsing
From: Sinan Kaya
Date: Thu Jan 04 2018 - 18:34:46 EST
On 1/4/2018 5:45 PM, Rob Herring wrote:
> The hidma driver open codes populating address and IRQ resources from DT.
> We have standard functions of_address_to_resource and of_irq_to_resource
> for this, so use them instead.
>
> The DT binding states each child should have 2 addresses and 1 IRQ, so we
> can simplify the logic and do a fixed size resource allocation. Using the
> standard of_address_to_resource will also do any address translation which
> was missing.
>
> Cc: Andy Gross <andy.gross@xxxxxxxxxx>
> Cc: David Brown <david.brown@xxxxxxxxxx>
> Cc: Dan Williams <dan.j.williams@xxxxxxxxx>
> Cc: Vinod Koul <vinod.koul@xxxxxxxxx>
> Cc: linux-arm-msm@xxxxxxxxxxxxxxx
> Cc: linux-soc@xxxxxxxxxxxxxxx
> Cc: dmaengine@xxxxxxxxxxxxxxx
> Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
> ---
> drivers/dma/qcom/hidma_mgmt.c | 61 +++++++++++--------------------------------
> 1 file changed, 15 insertions(+), 46 deletions(-)
Thanks, this certainly looks cleaner. Mine was mostly copy/paste from other examples.
Reviewed-by: Sinan Kaya <okaya@xxxxxxxxxxxxxx>
--
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.