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* mtd: OneNAND: S5PC110: Fix double call suspend & resume functionKyungmin Park2010-10-251-2/+1
| | | | | | | | The suspend & resume called from mtd core. So no need to call at driver. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: nand: fix MTD_MODE_RAW writesJon Povey2010-10-251-1/+1
| | | | | | | | | | | | | | | | RAW writes were broken by 782ce79a45b3b850b108896fcf7da26754061c8f which introduced a check of ops->ooboffs in nand_do_write_ops(). When writing in RAW mode this is called with an ops struct on the stack of mtdchar.c:mtd_write() which does not initialise ops->ooboffs, so it is garbage and fails this test. This test does not make sense if ops->oobbuf is NULL, which it is in the RAW write path, so include that in the test. Signed-off-by: Jon Povey <jon.povey@racelogic.co.uk> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* jffs2: use kmemdupJulia Lawall2010-10-251-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | Convert a sequence of kmalloc and memcpy to use kmemdup. The semantic patch that performs this transformation is: (http://coccinelle.lip6.fr/) // <smpl> @@ expression a,flag,len; expression arg,e1,e2; statement S; @@ a = - \(kmalloc\|kzalloc\)(len,flag) + kmemdup(arg,len,flag) <... when != a if (a == NULL || ...) S ...> - memcpy(a,arg,len+1); // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: sm_ftl: cosmetic, use bool when possibleMaxim Levitsky2010-10-251-4/+4
| | | | | | | | I didn't know that kernel allows use of that typedef. Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: r852: remove useless pci powerup/down from suspend/resume routinesMaxim Levitsky2010-10-252-31/+1
| | | | | | | | It turns out that pci core now handles these, so this code is redundant and can even cause bugs Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: blktrans: fix a race vs kthread_stopMaxim Levitsky2010-10-251-0/+4
| | | | | | | | | There is small race window that could make kthread_stop hang forever. I found that while hacking the IR subsystem. Signed-off-by: Maxim Levitsky <maximlevisky@gmail.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: blktrans: kill BKLMaxim Levitsky2010-10-251-6/+0
| | | | | | | | | It not needed, because I already added locking for all fops methods. Signed-off-by: Maxim Levitsky <maximlevisky@gmail.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: allow to unload the mtdtrans module if its block devices aren't openMaxim Levitsky2010-10-251-28/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now it once again possible to remove mtdtrans module. You still need to ensure that block devices of that module aren't mounted. This is due to the fact that as long as a block device is open, it still exists, therefore if we were to allow module removal, this block device might became used again. This time in addition to code review, I also made the code pass some torture tests like module reload in a loop + read in a loop + card insert/removal all at same time. The blktrans_open/blktrans_release don't take the mtd table lock because: While device is added (that includes execution of add_mtd_blktrans_dev) the lock is already taken Now suppose the device will never be removed. In this case even if we have changes in mtd table, the entry that we need will stay exactly the same. (Note that we don't look at table at all, just following private pointer of block device). Now suppose that someone tries to remove the mtd device. This will be propagated to trans driver which _ought_ to call del_mtd_blktrans_dev which will take the per device lock, release the mtd device and set trans->mtd = NULL. >From this point on, following opens won't even be able to know anything about that mtd device (which at that point is likely not to exist) Also the same care is taken not to trip over NULL mtd pointer in blktrans_dev_release. Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com> Tested-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: maps: gpio-addr-flash: fix warnings and make more portableMike Frysinger2010-10-251-3/+7
| | | | | | | | | | | As reported on lkml, building this module for HIMEM systems spews warnings about mismatch in pointer types. Further, we need to use ioremap() in order to properly access the flash memory on most systems rather than just doing it directly. Reported-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: Blackfin NFC: fix badblock location with BootROM OOBMike Frysinger2010-10-251-10/+4
| | | | | | | | | | The bbt structure isn't actually used, just the badblockpos. This lets the driver correctly handle badblocks with the different OOB layout with certain sized flashes. Previously, the blocks would all be reported as bad and be completely unusable. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: cfi_cmdset_0002: code cleanupsWolfram Sang2010-10-251-39/+8
| | | | | | | | | | | - remove disabled code (hasn't been touched since the beginning of git and should be reimplemented if really needed) - convert remaining c++-comments to plain c-style Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Guillaume LECERF <glecerf@gmail.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: onenand: fix 4KiB page onenand chip recognitionRoman Tereshonkov2010-10-251-2/+3
| | | | | | | | | | | For 4Gib non-DDP chip it does not follow that it is always 4KiB page chip. The number of data buffers is checked and if it is equal to 1 we suppose that it is 4KiB page onenand chip. Signed-off-by: Roman Tereshonkov <roman.tereshonkov@nokia.com> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: physmap_of: Loop through all "reg" tuples for mappingStefan Roese2010-10-251-3/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch changes the loop over the "reg" tuples to not exit directly upon of_address_to_resource() failure but to continue with the next "reg" tuple instead. This failure could be due to size = 0, which might be passed via the device-tree. This is needed for boards, where a "reg" tuple might have size 0 (of_address_to_resource() returns with EINVAL when size = 0). Example: Fully equipped board: reg = <0 0x00000000 0x00400000 0 0x00400000 0x00400000>; Partially equipped board: reg = <0 0x00000000 0x00400000 0 0x00400000 0x00000000>; This could be the case on boards with runtime detection of multiple NOR flash configurations where the detected flash size is inserted into the dtb in U-Boot. Signed-off-by: Stefan Roese <sr@denx.de> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* jffs2: Reduce excessive scan of empty blocksJoakim Tjernlund2010-10-251-6/+6
| | | | | | | | | | Scanning 1024 bytes to see if an EB is empty is a bit much. Lower it to 256 bytes and make sure the while loop is optimized. Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* jffs2: Fix serious write stall due to eraseJoakim Tjernlund2010-10-251-3/+4
| | | | | | | | | | | Drop the alloc_sem before erasing flash in jffs2_garbage_collect_pass(). Otherwise writes are put on hold until the erase has finised. Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: omap2: fix static declaration warningG, Manjunath Kondaiah2010-10-251-2/+2
| | | | | | | | | | This patch fixes sparse warning for static declaration of variable "use_dma" drivers/mtd/nand/omap2.c:114:11: warning: symbol 'use_dma' was not declared. Should it be static? Signed-off-by: G, Manjunath Kondaiah <manjugk@ti.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* jffs2: Dynamically choose inocache hash sizeDaniel Drake2010-10-255-7/+29
| | | | | | | | | | | | | When JFFS2 is used for large volumes, the mount times are quite long. Increasing the hash size provides a significant speed boost on the OLPC XO-1 laptop. Add logic that dynamically selects a hash size based on the size of the medium. A 64mb medium will result in a hash size of 128, and a 512mb medium will result in a hash size of 1024. Signed-off-by: Daniel Drake <dsd@laptop.org> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: remove junk tabs in nand.hSebastian Andrzej Siewior2010-10-251-168/+147
| | | | | | | | Remove tabs between type and name. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: cleanup nand.hSebastian Andrzej Siewior2010-10-251-56/+99
| | | | | | | | | | | | | | | - *var instead of * var - proper multiline comment - func(args) instead of func (args) - 80 lines So from |total: 2 errors, 37 warnings, 654 lines checked we got to one warning. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: Fix endianness issues from device treeIan Munsie2010-10-255-20/+20
| | | | | | | | | | This patch adds the appropriate conversions to correct the endianness issues in the MTD driver whenever it accesses the device tree (which is always big endian). Signed-off-by: Ian Munsie <imunsie@au1.ibm.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: m25p80.c: Add support for S25FL032P spi-nor flash devices.David Jander2010-10-251-0/+1
| | | | | | Signed-off-by: David Jander <david@protonic.nl> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: nandsim: add module param for BBT handlingSebastian Andrzej Siewior2010-10-251-2/+17
| | | | | | | | | I used this to check the BBT on flash together with a hack in mtdchar in order to read bad blocks. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: nand: introduce NAND_CREATE_EMPTY_BBTSebastian Andrzej Siewior2010-10-253-2/+5
| | | | | | | | | | it will create an empty BBT table without considering vendor's BBT information. Vendor's information may be unavailable if the NAND controller has a different DATA & OOB layout or this information may be allready purged. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: nand: add support for BBT without OOBSebastian Andrzej Siewior2010-10-253-28/+213
| | | | | | | | | | | | | | | | | | The first (sixt) byte in the OOB area contains vendor's bad block information. During identification of the NAND chip this information is collected by scanning the complete chip. The option NAND_USE_FLASH_BBT is used to store this information in a sector so we don't have to scan the complete flash. Unfortunately the code stores a marker in order to recognize the BBT in the OOB area. This will fail if the OOB area is completely used for ECC. This patch introduces the option NAND_USE_FLASH_BBT_NO_OOB which has to be used with NAND_USE_FLASH_BBT. It will then store BBT on flash without touching the OOB area. The BBT format on flash remains same except the first page starts with the recognition pattern followed by the version byte. This change was tested in nandsim and it looks good so far :) Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: nand: pull in td into read_bbt()Sebastian Andrzej Siewior2010-10-251-7/+9
| | | | | | | | No code change. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: nand: use ALIGN where possibleSebastian Andrzej Siewior2010-10-251-2/+1
| | | | | | Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: OneNAND: S5PC210 OneNAND supportKyungmin Park2010-10-251-3/+4
| | | | | | | S5PC210 has the same OneNAND controller as S5PC110 Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: OneNAND: S5PC110: Implement DMA interrupt methodKyungmin Park2010-10-251-1/+84
| | | | | | | | Implement DMA interrupt method. previous time it polls the DMA status. It can reduce the CPU power but decrease the performance a little. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: OneNAND: S5PC110: Fix wrong DMA handling when HIGHMEMKyungmin Park2010-10-251-11/+18
| | | | | | | | When use HIGHMEM, dma_map_single doesn't get the proper DMA address. So use the dma_map_page in this case. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: OneNAND: S5PC100: Only S5PC110 use the command map methodKyungmin Park2010-10-251-2/+2
| | | | | | | After S5PC110 use the generic method for OneNAND. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: MLC device check in OneNAND driverRohit Hassan Sathyanarayan2010-10-251-1/+1
| | | | | | | | | | | The MLC NAND Flash differs from the SLC NAND flash in functioning and the cell structure. Therefore we are considering it as a different Flash type. Signed-off-by: Rohit H.S <rohit.hs@samsung.com> Signed-off-by: Raghav Gupta <gupta.raghav@samsung.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: Define MLC Flash as a different flash typeRohit Hassan Sathyanarayan2010-10-251-0/+1
| | | | | | | | | | | MLC NAND Flash has a different cell structure and differs in functioning than the SLC NAND Flash. Hence we are considering it as a different Flash type. Signed-off-by: Rohit H.S <rohit.hs@samsung.com> Signed-off-by: Raghav Gupta <gupta.raghav@samsung.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: OneNAND: S5PC110: Add timeout to prevent the endless loopKyungmin Park2010-10-251-1/+10
| | | | | | | | | There's no case timeout but add it for some H/W problem or wrong codes implementation Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: add init_size hook for NAND driverHuang Shijie2010-10-252-2/+10
| | | | | | | | | | | | | | | Not all the NAND devices have all the information in additional id bytes. So add a hook in the nand_chip{} is a good method to calculate the right value of oobsize, erasesize and so on. Without the hook,you will get the wrong value, and you have to hack in the ->scan_bbt() to change the wrong value which make the code mess. Signed-off-by: Huang Shijie <shijie8@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* jffs2: drop unused model argumentMike Frysinger2010-10-256-22/+15
| | | | | | | | | | The jffs2 compression framework provides a "model" argument when compressing and decompressing, but the caller always passes in NULL and the callees never use it. So punt this useless overhead. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: add BLKPG API based repartition supportRoman Tereshonkov2010-10-251-2/+58
| | | | | | | | | | | | | | | | | | | | Add support for mtd repartition based on the block device BLKPG interface: BLKPG_ADD_PARTITION - for partition creation; BLKPG_DEL_PARTITION - for partition delete The usage is based on BLKPG ioctl called with struct blkpg_ioctl_arg argument which includes the reference to struct blkpg_partition discribing the partition offset and length. Disadvantage: there is no implementation for mtd flags control. The flags are always borrowed from the master device. Signed-off-by: Roman Tereshonkov <roman.tereshonkov@nokia.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: prepare partition add and del functions for ioctl requestsRoman Tereshonkov2010-10-252-18/+141
| | | | | | | | | | | | | mtd_is_master, mtd_add_partition and mtd_del_partition functions are added to give the possibility of partition manipulation by ioctl request. The old partition add function is modified to fit the dynamic allocation. Signed-off-by: Roman Tereshonkov <roman.tereshonkov@nokia.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* ARM: platform data to use the FSMC NAND with the U300Linus Walleij2010-10-253-10/+45
| | | | | | | | Just as it says, if this is merged along with the other patch, the driver supports the U300 NAND flash interface. Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: generic FSMC NAND MTD driverLinus Walleij2010-10-254-0/+1055
| | | | | | | | | | | | | This is the same driver submitted by ST Micros SPEAr team but generalized and tested on the ST-Ericsson U300. It probably easily works on the NHK8815 too. Signed-off-by: Vipin Kumar <vipin.kumar@st.com> Signed-off-by: Rajeev Kumar <rajeev-dlh.kumar@st.com> Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com> Signed-off-by: Viresh Kumar <viresh.kumar@st.com> Signed-off-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* jffs2: use cond_resched() instead of yield()Wolfram Sang2010-10-251-1/+1
| | | | | | | | | yield() has different semantics meanwhile and even causes RT-kernels to BUG. Replace the only appearance left in jffs2. Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: m25p80: Add support for the Winbond W25Q64Thierry Reding2010-10-251-0/+1
| | | | | | | | This patch adds support for the Winbond W25Q64 serial flash. Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: nand_base: do not cache pages with uncorrectable ECC errorsArtem Bityutskiy2010-10-251-1/+2
| | | | | | | | | | | | | Currently MTD caches the last read NAND page, even if there was an uncorrectable ECC error. This patch prevents caching in case of uncorrectable ECC errors. The reason is that we want to allow the user to re-read the NAND page several times. In case of unstable bits re-trying may help. Moreover, current behavior is wrong because the first read returns -EBADMSG (correctly) but the second read succeeds and incorrectly returns 0 (because we read from the cache). Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: add Broadcom BCM63xx image tag partition parserFlorian Fainelli2010-10-254-0/+378
| | | | | | | | | | | This patch adds support for parsing Broadcom BCM63xx image tag format and creating MTD partitions accordingly. This driver is a platform_device which can be instantiated accordingly by bcm63xx board support code. Signed-off-by: Daniel Dickinson <cshore@csolve.net> Signed-off-by: Mike Albon <malbon@openwrt.org> Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: sanity check ioctl inputDan Carpenter2010-10-241-0/+3
| | | | | | | | | | If "ur_idx" is wrong we could go past the end of the array. The "ur_idx" comes from root so it's not a huge deal, but adding a sanity check makes the code more robust. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: fix the build warning for fsl_upm.cRoy Zang2010-10-241-1/+1
| | | | | | | | | | | Fix the build warning: drivers/mtd/nand/fsl_upm.c: In function 'fun_chip_init': drivers/mtd/nand/fsl_upm.c:190: warning: format '%x' expects type 'unsigned int', but argument 3 has type 'resource_size_t' Signed-off-by: Roy Zang <tie-fei.zang@freescale.com> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: fix almost all checkpatch warnings in nand_base.cFlorian Fainelli2010-10-241-30/+43
| | | | | | | | | | | | | | Only 3 warnings are left, one is off by one character, but splitting the line would reduce the readability. One is for a for loop statement, which would also not improve readability. The last one is a false positive on a test. Artem: it is much easier to verify patches against nand_base.c with checkpatch.pl when nand_base.c itself does not have so many checkpatch.pl warnings. Signed-off-by: Florian Fainelli <ffainelli@freebox.fr> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: fix all checkpatch errors in nand_base.cFlorian Fainelli2010-10-241-23/+26
| | | | | | | | | | Artem: it is much easier to verify patches against nand_base.c with checkpatch.pl when nand_base.c itself does not have so many checkpatch.pl warnings. Signed-off-by: Florian Fainelli <ffainelli@freebox.fr> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: davinci: relax a timeout for ECC-initializationWolfram Sang2010-10-241-1/+2
| | | | | | | | | | | Sudhakar found out that 100µs are enough. Sadly, his updated patch was overlooked and an older version still using 100ms was merged. Fix this. Reference: http://patchwork.ozlabs.org/patch/59180/ Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: m25p80: Add support for two new Spansion SPI devices (S25FL-K)Gernot Hoyler2010-10-241-0/+2
| | | | | | | | | This patch adds support for Spansion S25FL016K and S25FL064K SPI flash. It has been tested with physical devices. Note that both parts exhibit a Winbond manufacturer ID so they might also be added to that section. Signed-off-by: Gernot Hoyler <Gernot.Hoyler@spansion.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
* mtd: nand: split ONFI detection logic to its own functionFlorian Fainelli2010-10-241-61/+71
| | | | | | | | | | | In order to reduce the indentation and improve the readability of nand_get_ flash_type, split the ONFI detection logic to its own function. The detection logic inside nand_flash_detect_onfi is also rewritten to allow for less indentation. Signed-off-by: Florian Fainelli <ffainelli@freebox.fr> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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