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History for barebox / drivers / mtd

2012-01-27	c3a992f Browse files » drivers/mtd: fix docg3 write support ... Fix typo error in MTD_WRITE defines. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Robert Jarzmik authored on 26 Jan 2012 Sascha Hauer committed on 27 Jan 2012
2012-01-27	93125fd Browse files » drivers/mtd: fix mtdraw write support ... When unaligned writes are used, typically doing a cp file /dev/mtdraw0.foo, the alignement correction code was incorrectly handling such cases, and didn't return the expected number of written bytes. This was tested on a 528 block size. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Robert Jarzmik authored on 26 Jan 2012 Sascha Hauer committed on 27 Jan 2012
2012-01-06	364c3aa Browse files » ioctl: add support for ECCGETSTATS and MEMGETREGIONINFO ... Support added for ioctl of ECCGETSTATS and MEMGETREGIONINFO. Fix default handling in core.c to return -EINVAL, if request was unknown. Signed-off-by: Alexander Aring <a.aring@phytec.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Alexander Aring authored on 5 Jan 2012 Sascha Hauer committed on 6 Jan 2012
2012-01-05	7017838 Browse files » nand_omap_gpmc: fix return value ... Fix return value, to notify if ecc correction appeared. Signed-off-by: Alexander Aring <a.aring@phytec.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Alexander Aring authored on 4 Jan 2012 Sascha Hauer committed on 5 Jan 2012
2012-01-05	0d22025 Browse files » Merge branch 'next' Sascha Hauer committed on 5 Jan 2012
2012-01-03	f012c52 Browse files » MTD/NAND/S3C: re-add change due to API change ... Commit `88ce7ef` has changed the API and commit `b29b8f4` has moved the S3C24xx NAND driver file. With the move the API change in the S3C24xx NAND driver was lost. Signed-off-by: Juergen Beisert <jbe@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Juergen Beisert authored on 3 Jan 2012 Sascha Hauer committed on 3 Jan 2012
2012-01-03	6bee6de Browse files » MTD/NAND/DOC: add forgotten change due to API change ... Commit `88ce7ef` introduces an additional parameter to the function add_mtd_device(). It seems one of the callers was left. Signed-off-by: Juergen Beisert <jbe@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Juergen Beisert authored on 3 Jan 2012 Sascha Hauer committed on 3 Jan 2012
2012-01-02	e448b8f Browse files » mtd Kconfig: only select NAND_READ_OOB when NAND is enabled ... To get rid of: (MTD_OOB_DEVICE && MTD_RAW_DEVICE) selects NAND_READ_OOB which has unmet direct dependencies (MTD && NAND) Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 2 Jan 2012
	b29b8f4 Browse files » MACH SAMSUNG/S3C: Use the correct CPU family name to reflect NAND driver's usage ... The aready existing NAND controller driver in Barebox is for the S3C24XX family only. Change the name of the file to reflect this fact (and free the way to add more recent Samsung NAND controllers) Signed-off-by: Juergen Beisert <jbe@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Juergen Beisert authored on 2 Jan 2012 Sascha Hauer committed on 2 Jan 2012
	cbc08bf Browse files » MACH SAMSUNG/S3C: Make it more generic for future updates ... Start with renaming files to share them in the S3C CPU family, Signed-off-by: Juergen Beisert <jbe@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Juergen Beisert authored on 2 Jan 2012 Sascha Hauer committed on 2 Jan 2012
	28f0de6 Browse files » nand_omap_bch_decoder: Fix up error detection ... Bit errors in the ECC itself are not beeing taken into account. In this cases the number of detected errors != number of corrected errors and chien search returns an error. This patch adds detection of bit errors in the ECC. Signed-off-by: Steve Schefter <steve@scheftech.com> Signed-off-by: Teresa Gámez <t.gamez@phytec.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Steve Schefter authored on 9 Dec 2011 Sascha Hauer committed on 2 Jan 2012
	6bef277 Browse files » drivers/mtd: add docg3 chip ... Add the MSystem disk-on-chip G3 support, taken from the linux kernel with few amendments to bring it into barebox. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Robert Jarzmik authored on 22 Dec 2011 Sascha Hauer committed on 2 Jan 2012
	5524cd9 Browse files » atmel_nand: drop dead code ... Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Jean-Christophe PLAGNIOL-VILLARD authored on 31 Dec 2011 Sascha Hauer committed on 2 Jan 2012
	809f0f6 Browse files » mtd: atmel_nand: optimize read/write buffer functions ... For PIO NAND access functions, we use the features of the SMC: - no need to take into account the NAND bus width: SMC will deal with this - use of an IO memcpy on the NAND chip-select space is able to generate proper SMC behavior. Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Jean-Christophe PLAGNIOL-VILLARD authored on 31 Dec 2011 Sascha Hauer committed on 2 Jan 2012
	7caf800 Browse files » mtd/core.c: fix MTDPGALG ... introduced in commit f76ad819e4971094 drivers/mtd: cosmetic changes it's supposed to the invert of the writesize - 1 Cc: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Jean-Christophe PLAGNIOL-VILLARD authored on 31 Dec 2011 Sascha Hauer committed on 2 Jan 2012
2011-12-22	fb44dd6 Browse files » drivers/mtd: add the mtdraw device (data+oob) ... Add a device to read and write to MTD data and oob (/dev/mtdraw<N>). The device is constrained in a separate source file, so that further improvement of commands (such as nandwrite) could make it useless, and easy to remove. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Robert Jarzmik authored on 21 Dec 2011 Sascha Hauer committed on 22 Dec 2011
	6473b28 Browse files » drivers/mtd: split mtd mtdoob devices ... Split /dev/mtd and /dev/mtdoob devices. Remove from mtd structure the mtdoob character device. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Robert Jarzmik authored on 21 Dec 2011 Sascha Hauer committed on 22 Dec 2011
	c6c880e Browse files » drivers/mtd: add mtd core hooks ... Add hooks for spinoff MTD drivers (mtdoob, mtdraw, ...). Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Robert Jarzmik authored on 21 Dec 2011 Sascha Hauer committed on 22 Dec 2011
	d29b112 Browse files » drivers/mtd: fix core multiple MTD registrations ... If multiple MTD devices were registered, an exception occured, as they all wanted id 0. Let the driver code choose the device number dynamically. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Robert Jarzmik authored on 21 Dec 2011 Sascha Hauer committed on 22 Dec 2011
	88ce7ef Browse files » drivers/mtd: transfer NAND notions to MTD core ... Change NAND_WRITE into MTD_WRITE. Change "page_shift" references in the core, which are purely NAND, into mtd->writesize which is MTD generic. Rename all "info" (struct mtd_info) into "mtd". Also provide a parameter to add_mtd_device() so that legacy nand devices still appear as nand<N>. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Robert Jarzmik authored on 21 Dec 2011 Sascha Hauer committed on 22 Dec 2011
	f76ad81 Browse files » drivers/mtd: cosmetic changes ... Fix whitespace, replace all debug() by dev_dbg(), and fix line length to 80 characters. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Robert Jarzmik authored on 21 Dec 2011 Sascha Hauer committed on 22 Dec 2011
	8ccde79 Browse files » drivers/mtd: move nand.c into core.c ... Move nand core into the global MTD core. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Robert Jarzmik authored on 21 Dec 2011 Sascha Hauer committed on 22 Dec 2011
2011-12-19	1528db0 Browse files » Merge branch 'master' into next Sascha Hauer committed on 19 Dec 2011
2011-12-19	790266c Browse files » mtd nand: fix oob compile time option ... The NAND_READ_OOB Kconfig option is used to a) creating a cdev for reading OOB data b) compiling in mtd->read_oob support The former was intended and that's also what the Kconfig help says. The latter though was implicit and wrong. mtd->read_oob is also used by the bbt code which resulted in a NULL pointer deref when compiled with BBT but without NAND_READ_OOB. To fix this, split the option into two. The now invisible option NAND_OOB_DEVICE is only responsible for b) and gets selected when necessary. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 19 Dec 2011
2011-12-15	597ce4c Browse files » nand-bb: implement lseek in readonly mode ... Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Reviewed-by: Robert Jarzmik <robert.jarzmik@free.fr> Sascha Hauer committed on 15 Dec 2011
2011-12-15	4ecd000 Browse files » cdev: pass flags to open function ... Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 15 Dec 2011
2011-11-29	e88417b Browse files » nand: base: Improve error reporting if reading NAND-ID fails ... - use KERN_ERR for messages when NAND-ID detection fails - report the IDs also if not found - print the errno if nand_scan failed Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Wolfram Sang authored on 28 Nov 2011 Sascha Hauer committed on 29 Nov 2011
2011-11-08	03f18f3 Browse files » mtd nand omap: use NAND_OWN_BUFFERS option ... Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 8 Nov 2011
	624a44a Browse files » mtd nand omap: add read function for the OMAP4 romcode ecc mode ... The OMAP4 romcode expects some unusual ecc layout which we could write but not read. This patch adds a function which uses the manual mode to read a page written with this ecc layout. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 8 Nov 2011
	ecbc8a3 Browse files » mtd nand omap: factor out an internal __omap_calculate_ecc function ... We can't use the ECC_RESULTx_0 register set for manual mode which we'll need in the next patch. So factor out an internal function which makes the register set to use configurable. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 8 Nov 2011