Re: [PATCH 01/11] coresight-etm4x: Adding CoreSight ETM4x driver

From: Linus Walleij
Date: Tue Apr 28 2015 - 08:23:47 EST


On Fri, Apr 24, 2015 at 5:41 PM, Ivan T. Ivanov <iivanov@xxxxxxxxxx> wrote:
> On Wed, 2015-04-22 at 16:40 -0600, Mathieu Poirier wrote:
>>
>
>> +static struct amba_id etm4_ids[] = {
>> + { /* ETM 4.0 - Hi6220 board */
>> + .id = 0x0003b95d,
>> + .mask = 0x0003ffff,
>> + .data = "ETM 4.0",
>> + },
>> + { /* ETM 4.0 - Juno board */
>> + .id = 0x000bb95e,
>> + .mask = 0x000bffff,
>
> Mask looks suspicious.

I'm thinking that maybe we should have some masks predefined in
<linux/amba/bus.h> for bits in this field so we get it right.

Yours,
Linus Walleij
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