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In mtd->write, Denali controller will use MODE_11 mode to read
NAND flash status, then return back to MODE_1O mode to do page
write.
Here comes a bug for this kind of using, sometimes controller will
not write data to NAND and just return a good interrupt to tell
driver writing work is done. The data in this page is all 0xff and
this page can not be written again. The reason is unknow.
So read Denali controller register WRITE_PROTECT to get NAND status
instead.
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
waring: no space for starting a line
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Once the last ECC error was handled, controller will triger an
interrupt. If this interrupt can not be clean on time, controller
may corrupt.
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
denali_write32() just implements a debug function for iowrite32(),
only print out the write value. Remove this function since it's useless
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Fixed a pci_resource_len function error;
Changed returning sequence of probe function;
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* git://git.infradead.org/mtd-2.6: (79 commits)
mtd: Remove obsolete <mtd/compatmac.h> include
mtd: Update copyright notices
jffs2: Update copyright notices
mtd-physmap: add support users can assign the probe type in board files
mtd: remove redwood map driver
mxc_nand: Add v3 (i.MX51) Support
mxc_nand: support 8bit ecc
mxc_nand: fix correct_data function
mxc_nand: add V1_V2 namespace to registers
mxc_nand: factor out a check_int function
mxc_nand: make some internally used functions overwriteable
mxc_nand: rework get_dev_status
mxc_nand: remove 0xe00 offset from registers
mtd: denali: Add multi connected NAND support
mtd: denali: Remove set_ecc_config function
mtd: denali: Remove unuseful code in get_xx_nand_para functions
mtd: denali: Remove device_info_tag structure
mtd: m25p80: add support for the Winbond W25Q32 SPI flash chip
mtd: m25p80: add support for the Intel/Numonyx {16,32,64}0S33B SPI flash chips
mtd: m25p80: add support for the EON EN25P{32, 64} SPI flash chips
...
Fix up trivial conflicts in drivers/mtd/maps/{Kconfig,redwood.c} due to
redwood driver removal.
set_ecc_config function only set ECC_CORRECTION register, so
move register setting to probe function.
Since controller only support 15bit and 8bit ecc correction,
updated nand ecc layout information.
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Hi David,
I sent 4 patches using my intel email account. If there is any
problem about the format of these patches, I will resend them after
I arrived at home by using my gmail account, and I will keep on
using gmail account to send patches.
Thanks.
>From 242e3bf5e17f54b1df8cf285154a7c7a61ff62e9 Mon Sep 17 00:00:00 2001
From: Chuanxiao Dong <chuanxiao.dong@intel.com>
Date: Fri, 6 Aug 2010 15:29:41 +0800
Subject: [PATCH 1/4] mtd: denali: Remove device_info_tag structure.
Most of the variables in this structure are useless, so just
remove this structure and relevant codes.
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
In denali driver, wTotalBlocks variable is useless, so just
remove them in get_toshiba_nand_para and get_hynix_nand_para
first. Other wTotalBlocks in denali.c and other variables in
dev_info struct are also useless, will remove them later.
Also add a parameter in get_hynix_nand_para to prepare to
remove dev_info struct. This parameter comes by reading NAND
ID directly. Reading register will report wrong value for
some NAND chips, e.g. some Micron MT29F32G08QAA chips.
So update NAND_CMD_READID method as well.
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
rename these functions' name and remove additional declarations
in header file
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Hi,
I have changed the outlook mail cliet to be linux mutt client and use my
personal gmail to submit patches.
Here are 5 new patches to fix nand/denali check patch errors. The other
4 patches will be sent out after this mail.
Thanks for your review.
>From d125ad3f57bbf517131dccad6b5933edf8c2632a Mon Sep 17 00:00:00 2001
From: Chuanxiao Dong <chuanxiao.dong@intel.com>
Date: Tue, 3 Aug 2010 15:54:48 +0800
Subject: [PATCH 1/5] mtd: denali.c: clean up all whitespaces in code indent
Signed-off-by: Chuanxiao Dong <chuanxiao.dong@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
drivers/mtd/nand/denali.c:1427: error: conflicting types for ‘enable_dma’
arch/powerpc/include/asm/dma.h:189: note: previous definition of ‘enable_dma’ was here
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
There is more work to be done on this but it is basically working now.
Signed-off-by: Jason Roberts <jason.e.roberts@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
