linux-kernel - Re: [PATCH 1/3] drivers: misc: add omap

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: Windows password security audit tool. GUI, reports in PDF.

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

Date:	Wed, 20 Oct 2010 11:18:24 -0700
From:	Kevin Hilman <khilman@...prootsystems.com>
To:	Ohad Ben-Cohen <ohad@...ery.com>
Cc:	linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, akpm@...ux-foundation.org,
	Greg KH <greg@...ah.com>, Tony Lindgren <tony@...mide.com>,
	Benoit Cousson <b-cousson@...com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Hari Kanigeri <h-kanigeri2@...com>, Suman Anna <s-anna@...com>,
	Simon Que <sque@...com>,
	"Krishnamoorthy\, Balaji T" <balajitk@...com>
Subject: Re: [PATCH 1/3] drivers: misc: add omap_hwspinlock driver

Ohad Ben-Cohen <ohad@...ery.com> writes:

> On Tue, Oct 19, 2010 at 7:16 PM, Kevin Hilman
> <khilman@...prootsystems.com> wrote:
>> Ohad Ben-Cohen <ohad@...ery.com> writes:
>>
>>> From: Simon Que <sque@...com>
>>>
>>> Add driver for OMAP's Hardware Spinlock module.
>>>
>>> The OMAP Hardware Spinlock module, initially introduced in OMAP4,
>>> provides hardware assistance for synchronization between the
>>> multiple processors in the device (Cortex-A9, Cortex-M3 and
>>> C64x+ DSP).
>>
> ...
>
>>> +config OMAP_HWSPINLOCK
>>> +     bool "OMAP Hardware Spinlock module"
>>
>> Should be tristate
>
> Agree,
>
>> so it can also be built as a module by default.
>>
>> e.g., when building multi-OMAP kernels, no reason or this to be
>> built-in.  It can then be loaded as a module on OMAP4 only.
>
> But considering the current built-in use cases (i2c) we would then
> need to have the relevant MACH_OMAP4_* select OMAP_HWSPINLOCK (only on
> the OMAP4 machines on which the I2C bus is shared).

Yes, that is ok.  At least then it can be tested by default as a module.

Kevin
--
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/