linux-kernel - Re: [PATCH] USB: serial: cp210x: Adding tx

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Message-ID: <CAL_jEz9K9Rn+jFTUC541xBhfQB=kggtkqhq+rcihG_z3zVC_Kg@mail.gmail.com>
Date:	Fri, 16 Oct 2015 07:35:02 -0500
From:	Konstantin Shkolnyy <konstantin.shkolnyy@...il.com>
To:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
Cc:	johan@...nel.org, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] USB: serial: cp210x: Adding tx_empty() to avoid cp2108 failure

Hello,

On Fri, Oct 16, 2015 at 6:19 AM, Sergei Shtylyov
<sergei.shtylyov@...entembedded.com> wrote:
 [...]
>>
>> @@ -249,6 +251,16 @@ static struct usb_serial_driver * const
>> serial_drivers[] = {
>>   #define CP210X_GET_CHARS      0x0E
>>   #define CP210X_GET_PROPS      0x0F
>>   #define CP210X_GET_COMM_STATUS        0x10
>> +/* Data returned by CP210X_GET_COMM_STATUS -- h/w doc says it's 0x13
>> bytes */
>> +struct cp210x_comm_status {
>> +       u32     errors;
>> +       u32     hold_reasons;
>> +       u32     amount_in_in_queue;
>> +       u32     amount_in_out_queue;
>> +       u8      eof_received;
>> +       u8      wait_for_immediate;
>> +       u8      reserved;
>> +};
>
>
>    Please don't declare structures amidst of the command #define's.
>
[...]

I agree with all suggestions except this one. I find it very
convenient, when reading code, to have the command code and its data
declared in the same place.

Best regards,
Konstantin
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