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* [PATCH] libata: use dev->apTejun Heo2006-05-15
| | | | | | | Use dev->ap where possible and eliminate superflous @ap from functions and structures. Signed-off-by: Tejun Heo <htejun@gmail.com>
* [PATCH] libata: add dev->apTejun Heo2006-05-15
| | | | | | | | | Add dev->ap which points back to the port the device belongs to. This makes it unnecessary to pass @ap for silly reasons (e.g. printks). Also, this change is necessary to accomodate later PM support which will introduce ATA link inbetween port and device. Signed-off-by: Tejun Heo <htejun@gmail.com>
* [PATCH] libata: kill old SCR functions and sata_dev_present()Tejun Heo2006-05-15
| | | | | | Kill now unused scr_{read|write|write_flush}() and sata_dev_present(). Signed-off-by: Tejun Heo <htejun@gmail.com>
* [PATCH] libata: use new SCR and on/offline functionsTejun Heo2006-05-15
| | | | | | | | Use new SCR and on/offline functions. Note that for LLDD which know it implements SCR callbacks, SCR functions are guaranteed to succeed and ata_port_online() == !ata_port_offline(). Signed-off-by: Tejun Heo <htejun@gmail.com>
* [PATCH] libata: implement new SCR handling and port on/offline functionsTejun Heo2006-05-15
| | | | | | | | | | | | | | | | | | | | Implement ata_scr_{valid|read|write|write_flush}() and ata_port_{online|offline}(). These functions replace scr_{read|write}() and sata_dev_present(). Major difference between between the new SCR functions and the old ones is that the new ones have a way to signal error to the caller. This makes handling SCR-available and SCR-unavailable cases in the same path easier. Also, it eases later PM implementation where SCR access can fail due to various reasons. ata_port_{online|offline}() functions return 1 only when they are affirmitive of the condition. e.g. if SCR is unaccessible or presence cannot be determined for other reasons, these functions return 0. So, ata_port_online() != !ata_port_offline(). This distinction is useful in many exception handling cases. Signed-off-by: Tejun Heo <htejun@gmail.com>
* [PATCH] libata: init ap->cbl to ATA_CBL_SATA earlyTejun Heo2006-05-15
| | | | | | | | Init ap->cbl to ATA_CBL_SATA in ata_host_init(). This is necessary for soon-to-follow SCR handling function changes. LLDDs are free to change ap->cbl during probing. Signed-off-by: Tejun Heo <htejun@gmail.com>
* [PATCH] sata_sil24: update TF image only when necessaryTejun Heo2006-05-15
| | | | | | Update TF image (pp->tf) only when necessary. Signed-off-by: Tejun Heo <htejun@gmail.com>
* [PATCH] libata: implement qc->result_tfTejun Heo2006-05-15
| | | | | | | | | | | Add qc->result_tf and ATA_QCFLAG_RESULT_TF. This moves the responsibility of loading result TF from post-compltion path to qc execution path. qc->result_tf is loaded if explicitly requested or the qc failsa. This allows more efficient completion implementation and correct handling of result TF for controllers which don't have global TF representation such as sil3124/32. Signed-off-by: Tejun Heo <htejun@gmail.com>
* [PATCH] libata: remove postreset handling from ata_do_reset()Tejun Heo2006-05-15
| | | | | | | | Make ata_do_reset() deal only with reset. postreset is now the responsibility of the caller. This is simpler and eases later prereset addition. Signed-off-by: Tejun Heo <htejun@gmail.com>
* [PATCH] libata: move ->set_mode() handling into ata_set_mode()Tejun Heo2006-05-15
| | | | | | Move ->set_mode() handlng into ata_set_mode(). Signed-off-by: Tejun Heo <htejun@gmail.com>
* [PATCH] libata: use preallocated buffersTejun Heo2006-05-15
| | | | | | | | | | It's not a very good idea to allocate memory during EH. Use statically allocated buffer for dev->id[] and add 512byte buffer ap->sector_buf. This buffer is owned by EH (or probing) and to be used as temporary buffer for various purposes (IDENTIFY, NCQ log page 10h, PM GSCR block). Signed-off-by: Tejun Heo <htejun@gmail.com>
* [PATCH] libata: hold host_set lock while finishing internal qcTejun Heo2006-05-15
| | | | | | Hold host_set lock while finishing internal qc. Signed-off-by: Tejun Heo <htejun@gmail.com>
* [PATCH] libata: clear ap->active_tag atomically w.r.t. command completionTejun Heo2006-05-15
| | | | | | | | | ap->active_tag was cleared in ata_qc_free(). This left ap->active_tag dangling after ata_qc_complete(). Spurious interrupts inbetween could incorrectly access the qc. Clear active_tag in ata_qc_complete(). This change is necessary for later EH changes. Signed-off-by: Tejun Heo <htejun@gmail.com>
* [PATCH] libata: fix ->phy_reset class code handling in ata_bus_probe()Tejun Heo2006-05-15
| | | | | | | | ata_bus_probe() doesn't clear dev->class after ->phy_reset(). This can result in falsely enabled devices if probing fails. Clear dev->class to ATA_DEV_UNKNOWN after fetching it. Signed-off-by: Tejun Heo <htejun@gmail.com>
* [PATCH] libata: kill duplicate prototypesTejun Heo2006-05-15
| | | | | | Kill duplicate prototypes for ata_eh_qc_complete/retry() in libata.h. Signed-off-by: Tejun Heo <htejun@gmail.com>
* [PATCH] libata: unexport ata_scsi_error()Tejun Heo2006-05-15
| | | | | | | While moving ata_scsi_error() from LLDD sht to libata transportt, EXPORT_SYMBOL_GPL() entry was left out. Kill it. Signed-off-by: Tejun Heo <htejun@gmail.com>
* [PATCH] ahci: hardreset classification fixTejun Heo2006-05-15
| | | | | | | AHCI calls ata_dev_classify() even when no device is attached which results in false class code. Fix it. Signed-off-by: Tejun Heo <htejun@gmail.com>
* [PATCH] libata: rename ata_down_sata_spd_limit() and friendsTejun Heo2006-05-15
| | | | | | | Rename ata_down_sata_spd_limit() and friends to sata_down_spd_limit() and likewise for simplicity & consistency. Signed-off-by: Tejun Heo <htejun@gmail.com>
* [PATCH] libata: silly fix in ata_scsi_start_stop_xlat()Tejun Heo2006-05-15
| | | | | | Don't directly access &qc->tf when tf == &qc->tf. Signed-off-by: Tejun Heo <htejun@gmail.com>
* [PATCH] SCSI: implement shost->host_eh_scheduledTejun Heo2006-05-15
| | | | | | | | | | | | | | | | | | | | | libata needs to invoke EH without scmd. This patch adds shost->host_eh_scheduled to implement such behavior. Currently the only user of this feature is libata and no general interface is defined. This patch simply adds handling for host_eh_scheduled where needed and exports scsi_eh_wakeup() to modules. The rest is upto libata. This is the result of the following discussion. http://thread.gmane.org/gmane.linux.scsi/23853/focus=9760 In short, SCSI host is not supposed to know about exceptions unrelated to specific device or command. Such exceptions should be handled by transport layer proper. However, the distinction is not essential to ATA and libata is planning to depart from SCSI, so, for the time being, libata will be using SCSI EH to handle such exceptions. Signed-off-by: Tejun Heo <htejun@gmail.com>
* [PATCH] SCSI: Introduce scsi_req_abort_cmd (REPOST)Luben Tuikov2006-05-15
| | | | | | | | | | | | | | | | Introduce scsi_req_abort_cmd(struct scsi_cmnd *). This function requests that SCSI Core start recovery for the command by deleting the timer and adding the command to the eh queue. It can be called by either LLDDs or SCSI Core. LLDDs who implement their own error recovery MAY ignore the timeout event if they generated scsi_req_abort_cmd. First post: http://marc.theaimsgroup.com/?l=linux-scsi&m=113833937421677&w=2 Signed-off-by: Luben Tuikov <ltuikov@yahoo.com> Signed-off-by: Tejun Heo <htejun@gmail.com>
* Merge branch 'master' into upstreamJeff Garzik2006-04-27
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| * Linux v2.6.17-rc3v2.6.17-rc3Linus Torvalds2006-04-26
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| * Merge master.kernel.org:/home/rmk/linux-2.6-mmcLinus Torvalds2006-04-26
| |\ | | | | | | | | | | | | * master.kernel.org:/home/rmk/linux-2.6-mmc: [MMC] pxamci: fix data timeout calculation
| | * [MMC] pxamci: fix data timeout calculationRussell King2006-04-24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The MMC layer gives us two parts for the timeout calculation - a fixed timeout in nanoseconds, and a card clock-speed dependent part. The PXA MMC hardware allows for a timeout based on the fixed host clock speed only. This resulted in some cards being given a short timeout, and therefore failing to work. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | Merge master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds2006-04-26
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | * master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] nommu: trivial fixups for head-nommu.S and the Makefile [ARM] vfp: fix leak of VFP_NAN_FLAG into FPSCR [ARM] 3484/1: Correct AEABI CFLAGS for correct enum handling
| | * \ Merge nommu treeRussell King2006-04-26
| | |\ \
| | | * | [ARM] nommu: trivial fixups for head-nommu.S and the MakefileHyok S. Choi2006-04-24
| | | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fix compilation problem of start-up codes. (head-nommu.S, arch/arm/kernel/Makefile) Signed-off-by: Hyok S. Choi <hyok.choi@samsung.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] vfp: fix leak of VFP_NAN_FLAG into FPSCRRussell King2006-04-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The VFP code can leak VFP_NAN_FLAG into the FPSCR. It doesn't correspond to any real FPSCR bit (and overlaps one of the exception flags). Bug report from Daniel Jacobowitz Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| | * | [ARM] 3484/1: Correct AEABI CFLAGS for correct enum handlingRichard Purdie2006-04-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch from Richard Purdie The AAPCS says that enums can be variably sized depending on the range of valid values. This is not the accepted behaviour under linux so for compatibility gcc has an aapcs-linux target, the main difference being that enums are always of type int. Change the ARM Makefile to use this target. Signed-off-by: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * | | [PATCH] Remove __devinit and __cpuinit from notifier_call definitionsChandra Seetharaman2006-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Few of the notifier_chain_register() callers use __init in the definition of notifier_call. It is incorrect as the function definition should be available after the initializations (they do not unregister them during initializations). This patch fixes all such usages to _not_ have the notifier_call __init section. Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | | [PATCH] Remove __devinitdata from notifier block definitionsChandra Seetharaman2006-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Few of the notifier_chain_register() callers use __devinitdata in the definition of notifier_block data structure. It is incorrect as the data structure should be available after the initializations (they do not unregister them during initializations). This was leading to an oops when notifier_chain_register() call is invoked for those callback chains after initialization. This patch fixes all such usages to _not_ have the notifier_block data structure in the init data section. Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | | [PATCH] LSM: add missing hook to do_compat_readv_writev()James Morris2006-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch addresses a flaw in LSM, where there is no mediation of readv() and writev() in for 32-bit compatible apps using a 64-bit kernel. This bug was discovered and fixed initially in the native readv/writev code [1], but was not fixed in the compat code. Thanks to Al for spotting this one. [1] http://lwn.net/Articles/154282/ Signed-off-by: James Morris <jmorris@namei.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | | [PATCH] protect ext3 ioctl modifying append_only, immutable, etc. with i_mutexAl Viro2006-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | All modifications of ->i_flags in inodes that might be visible to somebody else must be under ->i_mutex. That patch fixes ext3 ioctl() setting S_APPEND and friends. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | | [PATCH] fix mips sys32_p{read,write}Al Viro2006-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Switched to use of sys_pread64()/sys_pwrite64() rather than keep duplicating their guts; among the little things that had been missing there were such as ret = security_file_permission (file, MAY_READ); Gotta love the LSM robustness, right? Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | | [PATCH] forgotten ->b_data in memcpy() call in ext3/resize.c (oopsable)Al Viro2006-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sbi->s_group_desc is an array of pointers to buffer_head. memcpy() of buffer size from address of buffer_head is a bad idea - it will generate junk in any case, may oops if buffer_head is close to the end of slab page and next page is not mapped and isn't what was intended there. IOW, ->b_data is missing in that call. Fortunately, result doesn't go into the primary on-disk data structures, so only backup ones get crap written to them; that had allowed this bug to remain unnoticed until now. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | | [PATCH] fix leak in activate_ep_files()Al Viro2006-04-26
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * | | Merge branch 'splice' of git://brick.kernel.dk/data/git/linux-2.6-blockLinus Torvalds2006-04-26
| |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'splice' of git://brick.kernel.dk/data/git/linux-2.6-block: [PATCH] splice: add ->splice_write support for /dev/null [PATCH] splice: rearrange moving to/from pipe helpers [PATCH] Add support for the sys_vmsplice syscall [PATCH] splice: fix offset problems [PATCH] splice: fix min() warning
| | * | | [PATCH] splice: add ->splice_write support for /dev/nullJens Axboe2006-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Useful for testing. Signed-off-by: Jens Axboe <axboe@suse.de>
| | * | | [PATCH] splice: rearrange moving to/from pipe helpersJens Axboe2006-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We need these for people writing their own ->splice_read/write hooks. Signed-off-by: Jens Axboe <axboe@suse.de>
| | * | | [PATCH] Add support for the sys_vmsplice syscallJens Axboe2006-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sys_splice() moves data to/from pipes with a file input/output. sys_vmsplice() moves data to a pipe, with the input being a user address range instead. This uses an approach suggested by Linus, where we can hold partial ranges inside the pages[] map. Hopefully this will be useful for network receive support as well. Signed-off-by: Jens Axboe <axboe@suse.de>
| | * | | [PATCH] splice: fix offset problemsJens Axboe2006-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make the move_from_pipe() actors return number of bytes processed, then move_from_pipe() can decide more cleverly when to move on to the next buffer. This fixes problems with pipe offset and differing file offset. Signed-off-by: Jens Axboe <axboe@suse.de>
| | * | | [PATCH] splice: fix min() warningAndrew Morton2006-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jens Axboe <axboe@suse.de>
| * | | | Merge branch 'upstream-linus' of ↵Linus Torvalds2006-04-26
| |\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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: [PATCH] forcedeth: fix initialization [PATCH] sky2: version 1.2 [PATCH] sky2: reset function can be devinit [PATCH] sky2: use ALIGN() macro [PATCH] sky2: add fake idle irq timer [PATCH] sky2: reschedule if irq still pending [PATCH] bcm43xx: make PIO mode usable [PATCH] bcm43xx: add to MAINTAINERS [PATCH] softmac: fix SIOCSIWAP [PATCH] Fix crash on big-endian systems during scan e1000: Update truesize with the length of the packet for packet split [PATCH] Fix locking in gianfar
| | * | | | [PATCH] forcedeth: fix initializationAyaz Abdulla2006-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes the nic initialization. If the nic was in low power mode, it brings it back to normal power. Also, it utilizes a new hardware reset during the init. I am resending based on feedback, I corrected the register size mapping and delay after posted write. Signed-Off-By: Ayaz Abdulla <aabdulla@nvidia.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| | * | | | [PATCH] sky2: version 1.2Stephen Hemminger2006-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Update to version 1.2 Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| | * | | | [PATCH] sky2: reset function can be devinitStephen Hemminger2006-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The sky2_reset function only called from sky2_probe. Maybe the compiler was smart enough to figure this out already. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| | * | | | [PATCH] sky2: use ALIGN() macroStephen Hemminger2006-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The ALIGN() macro in kernel.h does the same math that the sky2 driver was using for padding. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| | * | | | [PATCH] sky2: add fake idle irq timerStephen Hemminger2006-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add an fake NAPI schedule once a second. This is an attempt to work around for broken configurations with edge-triggered interrupts. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| | * | | | [PATCH] sky2: reschedule if irq still pendingStephen Hemminger2006-04-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a workaround for the case edge-triggered irq's. Several users seem to have broken configurations sharing edge-triggered irq's. To avoid losing IRQ's, reshedule if more work arrives. The changes to netdevice.h are to extract the part that puts device back in list into separate inline. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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