linux-kernel - Re: [PATCH 1/3] ARM: imx: Add common imx cpuidle init functionality.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAMXH7KGgSmvfqUTC1bufBz0QXbt01dHsPo1cbRA9jLj9mGmfjg@mail.gmail.com>
Date:	Wed, 18 Apr 2012 23:18:55 -0500
From:	Rob Lee <rob.lee@...aro.org>
To:	Amit Kucheria <amit.kucheria@...aro.org>, shawn.guo@...aro.org
Cc:	kernel@...gutronix.de, linaro-dev@...ts.linaro.org,
	patches@...aro.org, daniel.lezcano@...aro.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/3] ARM: imx: Add common imx cpuidle init functionality.

>>> If I called imx_cpuidle_init directly from imx5 or imx6q init
>>> routines, it would be getting called before the coreinit_call of core
>>> cpuidle causing a failure.  There were various other directions to
>>> take and all seemed less desirable than this one.
>>>
>>> One alternative would be to add a function to return the pointer to
>>> the cpuidle driver object based on the machine type.  Functionality
>>> exists to identify imx5 as a machine type but not imx6q, so I couldn't
>>> use that machine based method without adding that extra code.
>>>
>>> Another alternative would be to add a general platform lateinit_call
>>> function to each platforms that support cpuidle.
>>
>> Just put the initcall into mm-imx5.c and check the cpu type. Then you
>> also don't have to make imx5_idle global.
>
> That solution is currently available for imx5 but for imx6q it implies
> adding the cpu type support for imx6q.  Are you ok with that?

Sascha or Shawn, any further comments on my question?

Thanks,
Rob
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/