Re: [EXTERNAL] Re: [PATCH v13 2/6] remoteproc: pru: Add enum for PRU Core Identifiers.

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Hi Mathieu,

On 06/01/23 01:53, Mathieu Poirier wrote:
> On Thu, Jan 05, 2023 at 02:51:45PM +0530, MD Danish Anwar wrote:
>> Introducing enum pruss_pru_id for PRU Core Identifiers.
>> PRUSS_PRU0 indicates PRU Core 0.
>> PRUSS_PRU1 indicates PRU Core 1.
>> PRUSS_NUM_PRUS indicates the total number of PRU Cores.
>>
>> Signed-off-by: MD Danish Anwar <danishanwar@xxxxxx>
>> Reviewed-by: Roger Quadros <rogerq@xxxxxxxxxx>
>> ---
>>  drivers/remoteproc/pru_rproc.c |  7 ++++---
>>  include/linux/pruss.h          | 31 +++++++++++++++++++++++++++++++
> 
> Please add this under include/linux/remoteproc/ to avoid adding an orphan file
> under include/linux/.
> 
> Thanks,
> Mathieu
> 

Sure, I will remove this header file from here and add it under
include/linux/remoteproc/ .

Thanks,
Danish.

>>  2 files changed, 35 insertions(+), 3 deletions(-)
>>  create mode 100644 include/linux/pruss.h
>>
>> diff --git a/drivers/remoteproc/pru_rproc.c b/drivers/remoteproc/pru_rproc.c
>> index 128bf9912f2c..a1a208b31846 100644
>> --- a/drivers/remoteproc/pru_rproc.c
>> +++ b/drivers/remoteproc/pru_rproc.c
>> @@ -16,6 +16,7 @@
>>  #include <linux/module.h>
>>  #include <linux/of_device.h>
>>  #include <linux/of_irq.h>
>> +#include <linux/pruss.h>
>>  #include <linux/pruss_driver.h>
>>  #include <linux/remoteproc.h>
>>  
>> @@ -438,7 +439,7 @@ static void *pru_d_da_to_va(struct pru_rproc *pru, u32 da, size_t len)
>>  	dram0 = pruss->mem_regions[PRUSS_MEM_DRAM0];
>>  	dram1 = pruss->mem_regions[PRUSS_MEM_DRAM1];
>>  	/* PRU1 has its local RAM addresses reversed */
>> -	if (pru->id == 1)
>> +	if (pru->id == PRUSS_PRU1)
>>  		swap(dram0, dram1);
>>  	shrd_ram = pruss->mem_regions[PRUSS_MEM_SHRD_RAM2];
>>  
>> @@ -747,14 +748,14 @@ static int pru_rproc_set_id(struct pru_rproc *pru)
>>  	case RTU0_IRAM_ADDR_MASK:
>>  		fallthrough;
>>  	case PRU0_IRAM_ADDR_MASK:
>> -		pru->id = 0;
>> +		pru->id = PRUSS_PRU0;
>>  		break;
>>  	case TX_PRU1_IRAM_ADDR_MASK:
>>  		fallthrough;
>>  	case RTU1_IRAM_ADDR_MASK:
>>  		fallthrough;
>>  	case PRU1_IRAM_ADDR_MASK:
>> -		pru->id = 1;
>> +		pru->id = PRUSS_PRU1;
>>  		break;
>>  	default:
>>  		ret = -EINVAL;
>> diff --git a/include/linux/pruss.h b/include/linux/pruss.h
>> new file mode 100644
>> index 000000000000..e94a81e97a4c
>> --- /dev/null
>> +++ b/include/linux/pruss.h
>> @@ -0,0 +1,31 @@
>> +/* SPDX-License-Identifier: GPL-2.0-only */
>> +/**
>> + * PRU-ICSS Subsystem user interfaces
>> + *
>> + * Copyright (C) 2015-2022 Texas Instruments Incorporated - http://www.ti.com
>> + *	Suman Anna <s-anna@xxxxxx>
>> + */
>> +
>> +#ifndef __LINUX_PRUSS_H
>> +#define __LINUX_PRUSS_H
>> +
>> +#include <linux/device.h>
>> +#include <linux/types.h>
>> +
>> +#define PRU_RPROC_DRVNAME "pru-rproc"
>> +
>> +/**
>> + * enum pruss_pru_id - PRU core identifiers
>> + * @PRUSS_PRU0: PRU Core 0.
>> + * @PRUSS_PRU1: PRU Core 1.
>> + * @PRUSS_NUM_PRUS: Total number of PRU Cores available.
>> + *
>> + */
>> +
>> +enum pruss_pru_id {
>> +	PRUSS_PRU0 = 0,
>> +	PRUSS_PRU1,
>> +	PRUSS_NUM_PRUS,
>> +};
>> +
>> +#endif /* __LINUX_PRUSS_H */
>> -- 
>> 2.25.1
>>



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