linux-kernel - Re: [PATCH v2 0/5] mtd: nand: Fix support for NAND DMA prefetch

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: <20151218180434.GJ10460@google.com>
Date:	Fri, 18 Dec 2015 10:04:34 -0800
From:	Brian Norris <computersforpeace@...il.com>
To:	Franklin S Cooper Jr <fcooper@...com>
Cc:	linux-kernel@...r.kernel.org, rogerq@...com,
	devicetree@...r.kernel.org, linux-omap@...r.kernel.org,
	linux-mtd@...ts.infradead.org, nsekhar@...com, dwmw2@...radead.org,
	tony@...mide.com
Subject: Re: [PATCH v2 0/5] mtd: nand: Fix support for NAND DMA prefetch

On Thu, Oct 15, 2015 at 12:37:23PM -0500, Franklin S Cooper Jr wrote:
> NAND DMA prefetch has been broken for awhile and seems to have only
> worked for SDMA based devices
> 
> This patchset fixes DMA prefetch to work on both EDMA and SDMA devices
> 
> Test on:
> am335x gp evm
> am437x gp evm
> am37x gp evm
> 
> This patchset depends on Roger Quadros recent v4 GPMC/NAND patchset
> https://github.com/rogerq/linux.git
> branch: for-v4.4/gpmc-v4

In what way does this depend on the other series? Can any of this be
taken without it? If not, then perhaps it'd be good if Roger can roll
this into his series? Just throwing out ideas. If you want to wait on
Roger's series, that's fine.

FWIW, the MTD stuff all looks OK to me:

Acked-by: Brian Norris <computersforpeace@...il.com>

> Franklin S Cooper Jr (5):
>   mtd: nand: omap2: Support parsing dma channel information from DT
>   mtd: nand: omap2: Start dma request before enabling prefetch
>   mtd: nand: omap2: Fix high memory dma prefetch transfer
>   ARM: dts: am437x/am33xx/omap/dm816x: Add gpmc dma channel
>   ARM: OMAP2+: Update GPMC and NAND DT binding documentation
> 
>  .../bindings/memory-controllers/omap-gpmc.txt      |  7 +++++-
>  .../devicetree/bindings/mtd/gpmc-nand.txt          |  2 ++
>  arch/arm/boot/dts/am33xx.dtsi                      |  2 ++
>  arch/arm/boot/dts/am4372.dtsi                      |  2 ++
>  arch/arm/boot/dts/dm816x.dtsi                      |  2 ++
>  arch/arm/boot/dts/omap3.dtsi                       |  2 ++
>  arch/arm/boot/dts/omap4.dtsi                       |  2 ++
>  arch/arm/boot/dts/omap5.dtsi                       |  2 ++
>  drivers/mtd/nand/omap2.c                           | 27 +++++++++-------------
>  9 files changed, 31 insertions(+), 17 deletions(-)
> 
> -- 
> 2.6.1
> 
--
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/