linux-kernel - Re: [PATCH 1/2] dma: add Qualcomm Technologies HIDMA management driver

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]

Message-ID: <5634B9D3.9000009@codeaurora.org>
Date:	Sat, 31 Oct 2015 07:53:39 -0500
From:	Timur Tabi <timur@...eaurora.org>
To:	Sinan Kaya <okaya@...eaurora.org>, Arnd Bergmann <arnd@...db.de>
Cc:	dmaengine@...r.kernel.org, cov@...eaurora.org, jcm@...hat.com,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Vinod Koul <vinod.koul@...el.com>,
	Dan Williams <dan.j.williams@...el.com>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] dma: add Qualcomm Technologies HIDMA management
 driver

Sinan Kaya wrote:
>
> I expect this driver to grow in functionality over time. Right now, it
> does the global init for the DMA. After that all channels execute on
> their own without depending on each other. Global init has to be done
> first before attempting to do any channel initialization.
>
> There is also implied startup ordering requirements. I was doing this by
> using channel driver with the late binding to guarantee that.
>
> As soon as I use module_platform_driver, the ordering gets reversed for
> some reason.

If you want to force two probe functions to be called in order, then 
that's what -EPROBE_DEFER is for.

-- 
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the
Code Aurora Forum, hosted by The Linux Foundation.
--
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/