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History for barebox / drivers / mtd

2014-03-03	ad22ad3 Browse files » mtd: nand: atmel pmecc: disable subpage writes ... I am using an sam5d35 and its pmecc nand ecc controller. In barebox, using similar atmel_nand.c the system crashes. The problem was a call to chip->ecc.hwctl from nand_write_subpage_hwecc (nand_base.c) when we write a sub page. chip->ecc.hwctl function is not set when we are using PMECC controller. As a workaround, i set NAND_NO_SUBPAGE_WRITE for PMECC controller in order to disable sub page access in nand_write_page. I think we can have the same problem in Linux. I do not performed subpage nand writes from Linux but i made the following patch according to my Barebox defect. Signed-off-by: Herve Codina <Herve.CODINA@celad.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Herve Codina authored on 28 Feb 2014 Sascha Hauer committed on 3 Mar 2014
2014-02-28	fb7836e Browse files » cfi_flash: fix NULL pointer dereference ... We need to setup the info->dev pointer before flash_get_size() since it might use it for dev_dbg(). This fix a crash on boot when debug output is enabled. Signed-off-by: Philippe Rétornaz <philippe.retornaz@epfl.ch> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Philippe Rétornaz authored on 25 Feb 2014 Sascha Hauer committed on 28 Feb 2014
2014-02-04	4f2f915 Browse files » cfi_flash.c: correct calculation of region erasesize and offset for multiple (size_ratio > 1) chips in parallel ... Signed-off-by: Cristiano De Alti <cristiano_dealti@hotmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Cristiano De Alti authored on 3 Feb 2014 Sascha Hauer committed on 4 Feb 2014
2014-01-07	7361839 Browse files » UBI: Add some asserts to ubi_attach_fastmap() ... Add more paranioa asserts to make it easier to detect implementation errors. Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Richard Weinberger authored on 28 Sep 2013 Sascha Hauer committed on 7 Jan 2014
	71791bd Browse files » UBI: Fix memory leak in ubi_attach_fastmap() error path ... On error we have to free all three temporary lists. Reported-by: Richard Genoud <richard.genoud@gmail.com> Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Richard Weinberger authored on 28 Sep 2013 Sascha Hauer committed on 7 Jan 2014
	dee73c5 Browse files » UBI: simplify image sequence test ... The test: if (!a && b) a = b; can be symplified in: if (!a) a = b; And there's no need to test if ubi->image_seq is not null, because if it is, it is set to image_seq. So, we just test if image_seq is not null. Signed-off-by: Richard Genoud <richard.genoud@gmail.com> Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Richard Genoud authored on 28 Sep 2013 Sascha Hauer committed on 7 Jan 2014
	2bae366 Browse files » UBI: fastmap: fix backward compatibility with image_seq ... Some old UBI implementations (e.g. U-Boot) have not implemented the image sequence feature. So, when erase blocks are written, the image sequence in the ec header is lost (set to zero). UBI scan_all() takes this case into account (commits `32bc482` and `2eadaad`) But fastmap scan functions (ubi_scan_fastmap() and scan_pool()) didn't. This patch fixes the issue. Signed-off-by: Richard Genoud <richard.genoud@gmail.com> Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Richard Genoud authored on 28 Sep 2013 Sascha Hauer committed on 7 Jan 2014
	8000a53 Browse files » UBI: Call scan_all() with correct offset in error case ... If we find an invalid fastmap we have to scan from the very beginning. Otherwise we leak the first 64 PEBs. Reported-and-tested-by: Richard Genoud <richard.genoud@gmail.com> Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Richard Weinberger authored on 28 Sep 2013 Sascha Hauer committed on 7 Jan 2014
	4a290f9 Browse files » UBI: Fix error path in scan_pool() ... We have to set "ret", not "err" in case of an error. Reported-and-tested-by: Richard Genoud <richard.genoud@gmail.com> Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Richard Weinberger authored on 28 Sep 2013 Sascha Hauer committed on 7 Jan 2014
	f0986b6 Browse files » UBI: fix refill_wl_user_pool() ... If no free PEBs are available refill_wl_user_pool() must not return with -ENOSPC immediately. It has to block till produce_free_peb() produced a free PEB. Reported-and-Tested-by: Richard Genoud <richard.genoud@gmail.com> Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Richard Weinberger authored on 28 Sep 2013 Sascha Hauer committed on 7 Jan 2014
	54930d9 Browse files » UBI: Fix invalidate_fastmap() ... Onging tests uncovered that invalidate_fastmap() is broken. It must not call ubi_wl_put_fm_peb() because all PEBs used by the old fastmap have already been put back. Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Richard Weinberger authored on 19 Aug 2013 Sascha Hauer committed on 7 Jan 2014
	92924e7 Browse files » UBI: Fix PEB leak in wear_leveling_worker() ... get_peb_for_wl() removes the PEB from the free list. If the WL subsystem detects that no wear leveling is needed it cancels the operation and drops the gained PEB. In this case we have to put the PEB back into the free list. This issue was introduced with commit ed4b7021c (UBI: remove PEB from free tree in get_peb_for_wl()). Cc: <stable@vger.kernel.org> # 3.7.x Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Richard Weinberger authored on 19 Aug 2013 Sascha Hauer committed on 7 Jan 2014
2013-12-20	d7fe5e2 Browse files » mtd: Add subpagesize to mtd_info_user ... ubiformat needs the subpagesize to work correctly. The kernel uses sysfs to pass the subpagesize, but in barebox we have the possibility to extend struct mtd_info_user. Add a corresponding field and use it in ubiformat. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 20 Dec 2013
	080a4e9 Browse files » mtd: fix mtd_read return value ... mtd->read returns the number of bitflips as positive numbers. Instead of returning these numbers Return -EUCLEAN when the bitflip threshold has been reached, 0 otherwise. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 20 Dec 2013
	a8fd9bf Browse files » mtd: fix wrong return values in cdev read ... mtd->read returns the number of bitflips as positive numbers. Instead of returning these numbers Return -EUCLEAN when the bitflip threshold has been reached, 0 otherwise. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 20 Dec 2013
2013-12-19	26f2c81 Browse files » mtd: nand_imx: remove trailing whitespaces ... Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 19 Dec 2013
2013-12-19	7ef217b Browse files » nand_imx: fix read ONFI param on NFC v21 ... tested on an i.MX25 where we now get : nand: ONFI param page 0 valid nand: ONFI flash detected nand: NAND device: Manufacturer ID: 0x2c, Chip ID: 0xda (Micron MT29F2G08ABAEAWP), 256MiB, page size: 2048, OOB size: 64 Signed-off-by: Eric Bénard <eric@eukrea.com> Tested-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Eric Bénard authored on 11 Dec 2013 Sascha Hauer committed on 19 Dec 2013
2013-12-12	50b0208 Browse files » atmel_nand: check gpio validity before using it ... else we get : "invalid GPIO -22" (as enable_pin is EINVAL) tested on SAMA5D35 Signed-off-by: Eric Bénard <eric@eukrea.com> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Eric Bénard authored on 7 Dec 2013 Sascha Hauer committed on 12 Dec 2013
2013-12-06	ed039cd Browse files » Merge branch 'for-next/omap-drivers' Sascha Hauer committed on 6 Dec 2013
2013-12-06	e9ea6ee Browse files » Merge branch 'for-next/misc' ... Conflicts: scripts/Makefile Sascha Hauer committed on 6 Dec 2013
2013-12-02	6e66ab7 Browse files » mtd: mtdraw: drop ioctl callback for mtdraw device ... Do not call mtd_ioctl for mtdraw devices. mtd_ioctl will derefence the priv pointer to a struct mtd_info whereas with mtdraw devices it will be a struct mtdraw pointer. We do not need ioctls for mtdraw devices, so drop it instead of fixing it. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 2 Dec 2013
2013-11-27	b0cd10f Browse files » mtd: omap gpmc: Use dev_add_param_enum ... Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 27 Nov 2013
2013-11-08	b67b267 Browse files » treewide: Add missing includes ... A lot of files rely on include/driver.h including include/of.h (and this including include/errno.h. include the files explicitly so we can eventually get rid of including of.h from driver.h Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 8 Nov 2013
2013-11-07	398cdf2 Browse files » Merge branch 'for-next/mtd' Sascha Hauer committed on 7 Nov 2013
2013-11-04	183e6d8 Browse files » mtd: nand: don't scan bbt if CONFIG_NAND_BBT not set ... Signed-off-by: 张忠山 <zzs0213@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> 张忠山 authored on 4 Nov 2013 Sascha Hauer committed on 4 Nov 2013
2013-10-29	5f0bd3e Browse files » mtd: m25p80: Allow to specify devicename via devicetree alias ... Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 29 Oct 2013
	d317b1b Browse files » mtd: Pass device_id to add_mtd_device ... Right now we do not support persistent names for mtd devices. The base name can be passed to add_mtd_device, but this is always appended with a dynamic number. With this patch add_mtd_device takes a device_id argument which can be used to create a mtd device with an exact name. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 29 Oct 2013
	865bab0 Browse files » mtd: raw: rename raw device ... The name of the raw device is mtdraw<num> which is inconsistent to other mtd devices which are named mtd<num>.<partname>. Rename it to mtd<num>.raw. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 29 Oct 2013
2013-09-10	8bbd9f5 Browse files » nand_mxs: fix on i.MX28 ... when the bootmode is different than NAND (USB for example), the GPMI clock is not enabled thus we can't probe a NAND flash. Tested on an i.MX28 Signed-off-by: Eric Bénard <eric@eukrea.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Eric Bénard authored on 10 Sep 2013 Sascha Hauer committed on 10 Sep 2013
2013-08-07	be442d7 Browse files » move print_hex_dump function to include/common.h ... print_hex_dump is a standard kernel function, so move it outside the ubi header files to make it usable for other code derived from the kernel aswell. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> Sascha Hauer committed on 7 Aug 2013