linux-kernel - Re: [alsa-devel] [PATCH] soundwire: cdns: Fix compilation error on arm64

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Message-ID: <8ba31402-b507-5060-76be-89a7ddaf7dca@linux.intel.com>
Date:   Mon, 15 Apr 2019 07:41:33 -0500
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     Vinod Koul <vkoul@...nel.org>, Jan Kotas <jank@...ence.com>
Cc:     sanyog.r.kale@...el.com, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: Re: [alsa-devel] [PATCH] soundwire: cdns: Fix compilation error on
 arm64


>> diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c
>> index cb6a331f4..0b5bcc209 100644
>> --- a/drivers/soundwire/cadence_master.c
>> +++ b/drivers/soundwire/cadence_master.c
>> @@ -9,6 +9,7 @@
>>   #include <linux/delay.h>
>>   #include <linux/device.h>
>>   #include <linux/interrupt.h>
>> +#include <linux/io.h>
> 
> Why not add asm/io.h which is the header that actually defines
> readl/writel?

The vast majority of kernel code uses linux/io.h.
We use linux/io.h for SOF as well.

> 
>>   #include <linux/module.h>
>>   #include <linux/mod_devicetable.h>
>>   #include <linux/soundwire/sdw_registers.h>
>> -- 
>> 2.15.0
>