linux-kernel - Re: [PATCH 0/4] mailbox: mailbox-test: support single channel with separate Tx and Rx buffer

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Date:	Fri, 12 Feb 2016 09:17:18 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	Sudeep Holla <sudeep.holla@....com>
Cc:	Jassi Brar <jassisinghbrar@...il.com>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/4] mailbox: mailbox-test: support single channel with
 separate Tx and Rx buffer

On Thu, 11 Feb 2016, Sudeep Holla wrote:

> Hi Lee, Jassi,
> 
> Assuming mailbox-test was designed to be generic, I am trying to extend
> it to support single channel with separate Tx and Rx buffer. With these
> changes I am able to test arm_mhu driver. However I couldn't understand
> the intention of converting buffer to ASCII hex dump in read method.
> I have a local change to remove that so that it can deal with any data
> in any format(e.g. some protocol format) 

Not sure quite what you mean.  Hexdump can handle any data?  If the
hex value read isn't an ASCII value, a '.' is printed on the right
hand side.  What data are you expecting that you can't analyse with
hexdump?

> and userspace can deal with the
> actual interpretation of the data. Let me know your thoughts on that.
> 
> Regards,
> Sudeep
> 
> Sudeep Holla (4):
>   mailbox: mailbox-test: rename driver as generic test driver
>   mailbox: mailbox-test: fix the compatible string
>   mailbox: mailbox-test: use print_hex_dump_bytes to allow dynamic
>     printk
>   mailbox: mailbox-test: add support for separate tx/rx buffer with
>     single channel
> 
>  .../devicetree/bindings/mailbox/sti-mailbox.txt    |  2 +-
>  drivers/mailbox/mailbox-test.c                     | 50 ++++++++++++----------
>  2 files changed, 29 insertions(+), 23 deletions(-)
> 

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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