From: josh.wu@atmel•com (Josh Wu)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v2 0/4] mtd: atmel_nand: enable Nand Flash Controller (NFC) support
Date: Mon, 27 May 2013 17:59:59 +0800 [thread overview]
Message-ID: <51A32E9F.7090009@atmel.com> (raw)
In-Reply-To: <20130524195525.GL24476@game.jcrosoft.org>
On 5/25/2013 3:55 AM, Jean-Christophe PLAGNIOL-VILLARD wrote:
> On 17:51 Fri 17 May , Josh Wu wrote:
>> This patch series enable NFC support for SAMA5 soc. It can send command,
>> address cycles automaticly. Also when enable NFC sram, NFC will transfer
>> data to sram. Which can save lots of cpu time.
> can you give some stats please
I already have some test stats in the followed patches. Maybe I can put
the summary here too.
>
> and performance comparaisan NFS vs DMA
OK. I will add the DMA test data.
Best Regards,
Josh Wu
>
> Best Regards,
> J.
>> v1 --> v2:
>> 1) rebase it with latest l2-mtd git tree:
>> - remove useless nand commands (NAND_CMD_DEPLETE1, NAND_CMD_STATUS_ERRORx).
>> - adopt to the new nand write function's parameters. Add error message when
>> handle subpage write via nfc sram.
>> 2) rewrite pmecc_enable function. Now I use exist NAND_ECC_READ/WRITE const
>> instead of using a new enum definition.
>>
>> Josh Wu (4):
>> mtd: atmel_nand: replace pmecc enable code with one function.
>> mtd: atmel_nand: add Nand Flash Controller (NFC) support
>> mtd: atmel_nand: enable Nand Flash Controller (NFC) read data via
>> sram
>> mtd: atmel_nand: enable Nand Flash Controller (NFC) write via sram
>>
>> .../devicetree/bindings/mtd/atmel-nand.txt | 4 +
>> drivers/mtd/nand/atmel_nand.c | 657 ++++++++++++++++++--
>> drivers/mtd/nand/atmel_nand_nfc.h | 106 ++++
>> 3 files changed, 718 insertions(+), 49 deletions(-)
>> create mode 100644 drivers/mtd/nand/atmel_nand_nfc.h
>>
>> --
>> 1.7.9.5
>>
prev parent reply other threads:[~2013-05-27 9:59 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-17 9:51 [PATCH v2 0/4] mtd: atmel_nand: enable Nand Flash Controller (NFC) support Josh Wu
2013-05-17 9:51 ` [PATCH v2 1/4] mtd: atmel_nand: replace pmecc enable code with one function Josh Wu
2013-05-17 9:51 ` [PATCH v2 2/4] mtd: atmel_nand: add Nand Flash Controller (NFC) support Josh Wu
2013-05-24 20:09 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-27 9:56 ` Josh Wu
2013-05-27 10:26 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-30 6:14 ` Josh Wu
2013-05-30 16:54 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-17 9:51 ` [PATCH v2 3/4] mtd: atmel_nand: enable Nand Flash Controller (NFC) read data via sram Josh Wu
2013-05-17 9:51 ` [PATCH v2 4/4] mtd: atmel_nand: enable Nand Flash Controller (NFC) write " Josh Wu
2013-05-24 20:11 ` Jean-Christophe PLAGNIOL-VILLARD
2013-05-27 10:01 ` Josh Wu
2013-05-24 19:55 ` [PATCH v2 0/4] mtd: atmel_nand: enable Nand Flash Controller (NFC) support Jean-Christophe PLAGNIOL-VILLARD
2013-05-27 9:59 ` Josh Wu [this message]
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