From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
To: Brian Norris <computersforpeace@gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
Lior Amsalem <alior@marvell.com>,
Tawfik Bayouk <tawfik@marvell.com>,
Daniel Mack <zonque@gmail.com>,
linux-mtd@lists.infradead.org,
Gregory Clement <gregory.clement@free-electrons.com>
Subject: Re: [PATCH 0/2] pxa3xx: Data buffer dynamic allocation
Date: Wed, 16 Oct 2013 08:05:39 -0300 [thread overview]
Message-ID: <20131016110538.GB2518@localhost> (raw)
In-Reply-To: <20131015204741.GW23337@ld-irv-0074.broadcom.com>
On Tue, Oct 15, 2013 at 01:47:41PM -0700, Brian Norris wrote:
> Hi Ezequiel,
>
> On Fri, Oct 04, 2013 at 03:30:36PM -0300, Ezequiel Garcia wrote:
> > As part of my work to support the NAND controllers in Armada 370/XP SoC
> > here's a tiny set of patches to replace the currently data buffer allocation
> > based in a hardcoded buffer size, into a dynamic scheme.
> >
> > We first use kmalloc to request a 256 bytes (big enough for the ONFI paramater
> > page) and then re-allocate (either with kmalloc or using DMA allocators) using
> > the detected page size.
> >
> > The first patch is required to perform the initial NAND operations (READID
> > and friends) using programmable I/O since the DMA buffers are not ready
> > at such early stage.
> >
> > The second patch performs to actual dynamic allocation and it's exactly
> > the same patch I sent a few weeks ago:
> >
> > http://patchwork.ozlabs.org/patch/275982/
> >
> > Daniel: Can you test these two If they look fine we can add them now,
> > being an improvement to the driver pxa3xx beyond the Armada 370/XP effort.
>
> Thanks for sending these out separately from your other series. They are
> independently useful and look good to me. And thanks, Daniel, for the
> testing.
>
> Pushed to l2-mtd.git!
>
Great, thanks!
--
Ezequiel García, Free Electrons
Embedded Linux, Kernel and Android Engineering
http://free-electrons.com
prev parent reply other threads:[~2013-10-16 11:05 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-04 18:30 [PATCH 0/2] pxa3xx: Data buffer dynamic allocation Ezequiel Garcia
2013-10-04 18:30 ` [PATCH 1/2] mtd: nand: pxa3xx: Move DMA I/O enabling Ezequiel Garcia
2013-10-04 18:30 ` [PATCH 2/2] mtd: nand: pxa3xx: Allocate data buffer on detected flash size Ezequiel Garcia
2013-10-15 19:41 ` Brian Norris
2013-10-16 10:25 ` Ezequiel Garcia
2013-10-09 11:48 ` [PATCH 0/2] pxa3xx: Data buffer dynamic allocation Ezequiel Garcia
2013-10-09 12:00 ` Daniel Mack
2013-10-09 14:03 ` Ezequiel Garcia
2013-10-15 18:29 ` Ezequiel Garcia
2013-10-15 19:16 ` Brian Norris
2013-10-15 20:47 ` Brian Norris
2013-10-16 11:05 ` Ezequiel Garcia [this message]
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