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* pata_efar: support ->cable_detectAlan Cox2007-04-281-9/+22
| | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_atiixp: support ->cable_detectAlan Cox2007-04-281-10/+16
| | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_radisys: support cable_detectAlan Cox2007-04-281-32/+5
| | | | | Signed-off-by: Alan Cox <number6@the-village.bc.nu> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_sc1200: restore cable typeAlan Cox2007-04-281-0/+1
| | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_rz1000: support cable_detectAlan Cox2007-04-281-26/+2
| | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_platform: Add cable_detect methodAlan Cox2007-04-281-0/+1
| | | | | Signed-off-by: Alan Cox <number6@the-village.bc.nu> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* sata_promise: Switch to cable method, clean up some bits as a resultAlan Cox2007-04-281-18/+12
| | | | | Signed-off-by: Alan Cox <number6@the-village.bc.nu> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata-core: fix comments on cable typeAlan Cox2007-04-281-4/+4
| | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: Restore Kconfig updated experimental levels and correctAlan Cox2007-04-281-14/+14
| | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_cmd640: Multiple updatesAlan Cox2007-04-281-14/+20
| | | | | | | | | | Fix suspend/resume support Write 0x5B to 0 not 0x5C The former is important as we must kill the FIFO on a resume Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_via: Use cable_detect methodAlan Cox2007-04-281-15/+12
| | | | | | | | We end up shifting a few bits of logic around in this driver but the basic change is the same. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_sis: Clean up using cable_detect methodsAlan Cox2007-04-281-80/+29
| | | | | | | | | | | | | | | This changeset revolves around the fact that all the SiS controllers have the same enable bits, but differing cable detection methods. Previously that meant each type had its own error_handler methods. Instead we can now implement different ->cable_detect methods and share a single error_handler which does the filtering by enable bits. In addition we had some auto const arrays that should be static const. I'm not sure if gcc already treats them intelligently but adding the static will make sure. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_marvell: Cable and reset fixesAlan Cox2007-04-281-9/+11
| | | | | | | | | There are two changes here. Firstly we switch to a cable detect method, secondly the old code forgot to call ata_std_prereset() but somehow managed to work anyway. Fix the missing call. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_it8213: Cable detectAlan Cox2007-04-281-13/+23
| | | | | | | Another not-quite PIIX, another cable type conversion Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [libata] Update several PATA drivers for new ->cable_detect hookJeff Garzik2007-04-2813-133/+68
| | | | | | | All patches authored and signed-off-by Alan Cox, sent on Mar 7, 2007. I merely combined them all into a single patch. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* Support for Marvell 7042 ChipMorrison, Tom2007-04-281-0/+3
| | | | | | | | | Added Support for Marvell 7042 Chip - 7042 has same capabilities & behavior as 6042. Signed-off-by: Thomas A. Morrison <tmorrison@empirix.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* pata_cmd640: CMD640 PCI supportAlan Cox2007-04-283-0/+309
| | | | | | | | Support for the PCI CMD640 (not VLB) Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: cable detection fixesAlan Cox2007-04-282-0/+66
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2.6.21-rc has horrible problems with libata and PATA cable types (and thus speeds). This occurs because Tejun fixed a pile of other bugs and we now do cable detect enforcement for drive side detection properly. Unfortunately we don't do the process around cable detection right. Tejun identified the problem and pointed to the right Annex in the spec, this patch implements the rest of the needed changes. We add a ->cable_detect() method called after the identify sequence which allows a host to do host side detection at this point should it wish, or to modify the results of the drive side identify. This separate ->cable_detect method also cleans up a lot of code because many drivers have their own error_handler methods which really just set the cable type. If there is no ->cable_detect method the cable type is left alone so a driver setting it earlier (eg because it has the SATA flags set or because it uses the old error_handler approach) will still do the right thing (or at least the same thing) as before. This patch simply adds the cable_detect method and helpers it doesn't use them but other follow up patches will (ie Adrian please don't submit patches to unexport them ;)) Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: handle ata_pci_device_do_resume() failure while resumingDmitriy Monakhov2007-04-281-1/+3
| | | | | | | | | | Since commit:553c4aa630af7bc885e056d0436e4eb7f238579b ata_pci_device_do_resume() can return error code, all callers was updated except this one. Signed-off-by: Monakhov Dmitriy <dmonakhov@openvz.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: warn if speed limited due to 40-wire cableRobert Hancock2007-04-281-13/+20
| | | | | | | | | | | Warn the user if a drive's transfer rate is limited because of a 40-wire cable detection. Signed-off-by: Robert Hancock <hancockr@shaw.ca> Cc: Jeff Garzik <jeff@garzik.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* RESEND: libata: check cdb len per dev instead of per hostMark Lord2007-04-282-19/+4
| | | | | | | | | | | | Resending, with s/printk/DPRINTK/ as pointed out by Alan. Fix libata to perform CDB len validation per device rather than per host. This way, validation still works when we have a mix of 12-byte and 16-byte devices on a common host interface. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* libata: dev_config does not need ap and adev passingAlan2007-04-288-14/+12
| | | | | | | | | | It used to be impossible to get from ata_device to ata_port but that is no longer true. Various methods have been cleaned up over time but dev_config still takes both and most users don't need both anyway. Tidy this one up Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [libata] sata_mv: clean up DMA boundary issues, turn on 64-bit DMAJeff Garzik2007-04-281-29/+55
| | | | | | | | | | | | | | | The chips covered by sata_mv have a 32-bit DMA boundary they must not cross, not a 64K boundary. We are merely limited to a 64K maximum segment size. Therefore, the DMA scatter/gather table fill code can be greatly simplified, and we need not cut in half the S/G table size as reported to the SCSI layer. Also, the driver forget to turn on 64-bit DMA at the PCI layer. All other data structures (both hardware and software) have been prepped for 64-bit PCI DMA. It was simply never turned on. <fingers crossed> let's see if it still works... Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [libata] export sata_print_link_status()Jeff Garzik2007-04-282-1/+3
| | | | | | | To be used in sata_mv's exception handling code, and overall is a generally useful function. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [libata] sata_mv: remove extra bracesJeff Garzik2007-04-281-12/+7
| | | | Signed-off-by: Jeff Garzik <jeff@garzik.org>
* Merge branch 'upstream-linus' of ↵Linus Torvalds2007-04-273-16/+6
|\ | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: sis900: Allocate rx replacement buffer before rx operation usb-net/pegasus: simplify carrier detection
| * sis900: Allocate rx replacement buffer before rx operationNeil Horman2007-04-271-4/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Just found a hole in my last patch. It was reported to me that shortly after we integrated this patch. The report was of an oops that took place inside of netif_rx when using the sis900 driver. Looking at my origional patch I noted that there was a spot between the new skb_alloc and the refill_rx_ring label where skb got reassigned to the pointer currently held in the rx_ring for the purposes of receiveing the frame. The result of this is however that the buffer that gets passed to netif_rx (if it is called), then gets placed right back into the rx_ring. So if you receive frames fast enough the skb being processed by the network stack can get corrupted. The reporter is testing out the fix I've written for this below (I'm not near my hardware at the moment to test myself), but I wanted to post it for review ASAP. I'll post test results when I hear them, but I think this is a pretty straightforward fix. It just uses a separate pointer to do the rx operation, so that we don't improperly reassign the pointer that we use to refill the rx ring. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * usb-net/pegasus: simplify carrier detectionDan Williams2007-04-272-12/+1
| | | | | | | | | | | | | | | | Simplify pegasus carrier detection; rely only on the periodic MII polling. Reverts pieces of c43c49bd61fdb9bb085ddafcaadb17d06f95ec43. Signed-off-by: Dan Williams <dcbw@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds2007-04-271-4/+5
|\ \ | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SCSI] esp_scsi.c: Fix compilation.
| * | [SCSI] esp_scsi.c: Fix compilation.Alexey Dobriyan2007-04-271-4/+5
| | | | | | | | | | | | | | | | | | | | | irqreturn.h for irqreturn_t and dma_addr_t being u128 warnings ;-) Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2007-04-2715-99/+181
|\ \ \ | |_|/ |/| | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [NET]: Fix networking compilation errors [AF_RXRPC/AFS]: Arch-specific fixes. [AFS]: Fix VLocation record update wakeup [NET]: Revert sk_buff walker cleanups.
| * | [NET]: Fix networking compilation errorsDavid Howells2007-04-272-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix miscellaneous networking compilation errors. (*) Export ktime_add_ns() for modules. (*) wext_proc_init() should have an ANSI declaration. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [AF_RXRPC/AFS]: Arch-specific fixes.David Howells2007-04-277-3/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes for various arch compilation problems: (*) Missing module exports. (*) Variable name collision when rxkad and af_rxrpc both built in (rxrpc_debug). (*) Large constant representation problem (AFS_UUID_TO_UNIX_TIME). (*) Configuration dependencies. (*) printk() format warnings. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [AFS]: Fix VLocation record update wakeupDavid Howells2007-04-271-9/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix the wakeup transitions after a VLocation record update completes one way or another. This builds on Dave Miller's partial fix. Also move wakeups outside the spinlocked sections. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | [NET]: Revert sk_buff walker cleanups.David S. Miller2007-04-275-86/+158
| |/ | | | | | | | | | | | | | | | | | | | | This reverts eefa3906283a2b60a6d02a2cda593a7d7d7946c5 The simplification made in that change works with the assumption that the 'offset' parameter to these functions is always positive or zero, which is not true. It can be and often is negative in order to access SKB header values in front of skb->data. Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge git://git.infradead.org/mtd-2.6Linus Torvalds2007-04-2775-1724/+2678
|\ \ | |/ |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.infradead.org/mtd-2.6: (46 commits) [MTD] [MAPS] drivers/mtd/maps/ck804xrom.c: convert pci_module_init() [MTD] [NAND] CM-x270 MTD driver [MTD] [NAND] Wrong calculation of page number in nand_block_bad() [MTD] [MAPS] fix plat-ram printk format [JFFS2] Fix compr_rubin.c build after include file elimination. [JFFS2] Handle inodes with only a single metadata node with non-zero isize [JFFS2] Tidy up licensing/copyright boilerplate. [MTD] [OneNAND] Exit loop only when column start with 0 [MTD] [OneNAND] Fix access the past of the real oobfree array [MTD] [OneNAND] Update Samsung OneNAND official URL [JFFS2] Better fix for all-zero node headers [JFFS2] Improve read_inode memory usage, v2. [JFFS2] Improve failure mode if inode checking leaves unchecked space. [JFFS2] Fix cross-endian build. [MTD] Finish conversion mtd_blkdevs to use the kthread API [JFFS2] Obsolete dirent nodes immediately on unlink, where possible. Use menuconfig objects: MTD [MTD] mtd_blkdevs: Convert to use the kthread API [MTD] Fix fwh_lock locking [JFFS2] Speed up mount for directly-mapped NOR flash ...
| * [MTD] [MAPS] drivers/mtd/maps/ck804xrom.c: convert pci_module_init()Adrian Bunk2007-04-271-1/+1
| | | | | | | | | | | | | | | | | | This patch converts the pci_module_init() usage to pci_register_driver(). It's currently #if 0'ed, but still not a bad idea to change it. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * [MTD] [NAND] CM-x270 MTD driverMike Rapoport2007-04-273-0/+273
| | | | | | | | | | | | | | This patch provides MTD support for NAND flash devices on CM-x270 modules. Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * Merge branch 'master' of ↵David Woodhouse2007-04-271427-62693/+67010
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: drivers/mtd/Kconfig Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | [MTD] [NAND] Wrong calculation of page number in nand_block_bad()Knobloch, Thomas2007-04-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In case that there is no memory based bad block table available the function nand_block_checkbad() in drivers/mtd/nand/nand_base.c will call nand_block_bad() directly. When parameter 'getchip' is set to zero, nand_block_bad() will not right shift the offset to calculate the correct page number. Signed-off-by: Thomas Knobloch <knobloch@siemens.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | Merge branch 'master' of ↵David Woodhouse2007-04-26878-9344/+8812
| |\ \ | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
| * | | [MTD] [MAPS] fix plat-ram printk formatRandy Dunlap2007-04-261-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | drivers/mtd/maps/plat-ram.c:172: warning: format '%lx' expects type 'long unsigned int', but argument 4 has type 'resource_size_t' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [JFFS2] Fix compr_rubin.c build after include file elimination.Andrew Morton2007-04-261-10/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It seems to be silly season lately. (Oops, test builds are more useful if the file in question is actually configured on. dwmw2). Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [JFFS2] Handle inodes with only a single metadata node with non-zero isizeDavid Woodhouse2007-04-253-9/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This should never happen unless there's corruption on the medium and the actual data nodes go missing. But the failure mode (an oops when we assume the fragtree isn't empty and go looking for its last node) isn't useful. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [JFFS2] Tidy up licensing/copyright boilerplate.David Woodhouse2007-04-2545-217/+155
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In particular, remove the bit in the LICENCE file about contacting Red Hat for alternative arrangements. Their errant IS department broke that arrangement a long time ago -- the policy of collecting copyright assignments from contributors came to an end when the plug was pulled on the servers hosting the project, without notice or reason. We do still dual-license it for use with eCos, with the GPL+exception licence approved by the FSF as being GPL-compatible. It's just that nobody has the right to license it differently. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [MTD] [OneNAND] Exit loop only when column start with 0Adrian Hunter2007-04-251-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The JFFS2 requests OOB function from column 0. But the oobtest in nand-tests doesn't. So we only exit loop only when column start with 0. Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [MTD] [OneNAND] Fix access the past of the real oobfree arrayKyungmin Park2007-04-251-5/+12
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Here it's not the case: all the entries are occupied by OOB chunks. Therefore, once we get into a loop like for (free = this->ecclayout->oobfree; free->length; ++free) { } we might end up scanning past the real oobfree array. Probably the best way out, as the same thing might happen for common NAND as well, is to check index against MTD_MAX_OOBFREE_ENTRIES. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [MTD] [OneNAND] Update Samsung OneNAND official URLKyungmin Park2007-04-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Update Samsung OneNAND official URL. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [JFFS2] Better fix for all-zero node headersJoakim Tjernlund2007-04-252-15/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | No need to check for all-zero header since the header cannot be zero due to other checks. Replace the all-zero header check in readinode.c with a check for the magic word. Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se> Signed-off-by: David Woodhouse <dwmw2@infradead.org>
| * | | [JFFS2] Improve read_inode memory usage, v2.David Woodhouse2007-04-253-599/+618
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We originally used to read every node and allocate a jffs2_tmp_dnode_info structure for each, before processing them in (reverse) version order and discarding the ones which are obsoleted by later nodes. With huge logfiles, this behaviour caused memory problems. For example, a file involved in OLPC trac #1292 has 1822391 nodes, and would cause the XO machine to run out of memory during the first stage of read_inode(). Instead of just inserting nodes into a tree in version order as we find them, we now put them into a tree in order of their offset within the file, which allows us to immediately discard nodes which are completely obsoleted. We don't use a full tree with 'fragments' pointing to the real data structure, as we do in the normal fragtree. We sort only on the start address, and add an 'overlapped' flag to the tmp_dnode_info to indicate that the node in question is (partially) overlapped by another. When the scan is complete, we start at the end of the file, adding each node to a real fragtree as before. Where the node is non-overlapped, we just add it (it doesn't matter that it's not the latest version; there is no overlap). When the node at the end of the tree _is_ overlapped, we sort it and all its overlapping nodes into version order and then add them to the fragtree in that order. This 'early discard' reduces the peak allocation of tmp_dnode_info structures from 1.8M to a mere 62872 (3.5%) in the degenerate case referenced above. This version of the patch also correctly rememembers the highest node version# seen for an inode when it's scanned. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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