Re: [RFC 4/5] dmaengine: ti: New driver for K3 UDMA

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On 2018-10-10 07:00, Vinod wrote:
>>  drivers/dma/ti/Kconfig            |   12 +
>>  drivers/dma/ti/Makefile           |    1 +
>>  drivers/dma/ti/k3-udma.c          | 3623 +++++++++++++++++++++++++++++
> 
> Sorry but that's too big to review, please split it up
> 
> ...
> 
> I tried to review but it is too long, can you split to possibly, struct
> and io accessors, then low level function and dma callbacks at the end..

Hrm, I can try that.

>>  drivers/dma/ti/k3-udma.h          |  132 ++
>>  include/dt-bindings/dma/k3-udma.h |   26 +
>>  5 files changed, 3794 insertions(+)
>>  create mode 100644 drivers/dma/ti/k3-udma.c
>>  create mode 100644 drivers/dma/ti/k3-udma.h
>>  create mode 100644 include/dt-bindings/dma/k3-udma.h
>>
>> diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
>> new file mode 100644
>> index 000000000000..2a2a2c8b1fc2
>> --- /dev/null
>> +++ b/drivers/dma/ti/k3-udma.c
>> @@ -0,0 +1,3623 @@
>> +// SPDX-License-Identifier: GPL-2.0
>> +/*
>> + *  Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com
>> + *  Author: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
>> + */
>> +
>> +#include <linux/kernel.h>
>> +#include <linux/delay.h>
>> +#include <linux/dmaengine.h>
>> +#include <linux/dma-mapping.h>
>> +#include <linux/dmapool.h>
>> +#include <linux/err.h>
>> +#include <linux/init.h>
>> +#include <linux/interrupt.h>
>> +#include <linux/list.h>
>> +#include <linux/module.h>
>> +#include <linux/platform_device.h>
>> +#include <linux/pm_runtime.h>
>> +#include <linux/slab.h>
>> +#include <linux/spinlock.h>
>> +#include <linux/of.h>
>> +#include <linux/of_dma.h>
>> +#include <linux/of_device.h>
>> +#include <linux/of_irq.h>
> 
> Do you really need all of_  variants?

Yes, they are needed:

of_dma.h -> of_dma support
of_device.h -> of_find_device_by_node()
of_irq.h -> of_irq_find_parent()

- Péter

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki



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