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2008-07-21block: make proc files seq_start use the class_find_device()Greg Kroah-Hartman
Use the proper class iterator function instead of mucking around in the internals of the class structures. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21block: make /proc/diskstats only build if CONFIG_PROC_FS is enabledRandy Dunlap
These functions are only needed if CONFIG_PROC_FS is enabled, so save the space when it is not. This also makes it easier for a patch later in this series to work properly if CONFIG_PROC_FS is not enabled. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21block: make blk_lookup_devt use the class iterator functionGreg Kroah-Hartman
Use the proper class iterator function instead of mucking around in the internals of the class structures. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21block: make printk_partition use the class iterator functionGreg Kroah-Hartman
Use the proper class iterator function instead of mucking around in the internals of the class structures. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21block: fix compiler warning in genhd.cGreg Kroah-Hartman
Warn if something really bad happens if we can't create this link. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21Driver Core: add ability for class_find_device to start in middle of listGreg Kroah-Hartman
This mirrors the functionality that driver_find_device has as well. We add a start variable, and all callers of the function are fixed up at the same time. The block layer will be using this new functionality in a follow-on patch. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21Driver Core: add ability for class_for_each_device to start in middle of listGreg Kroah-Hartman
This mirrors the functionality that driver_for_each_device has as well. We add a start variable, and all callers of the function are fixed up at the same time. The block layer will be using this new functionality in a follow-on patch. Cc: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: convert device_create_drvdata to device_createGreg Kroah-Hartman
Now that device_create() has been audited, rename things back to the original call to be sane. Keep the device_create_drvdata macro around to make merges easier. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21driver core: remove device_create()Greg Kroah-Hartman
There are no more users of this, and it is racy. Use device_create_drvdata() or device_create_vargs() instead. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: x86: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: usb: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: spi: convert device_create to device_create_drvdataDavid Brownell
Switch over to use the shiny new device_create_drvdata() call instead of the original device_create() calls, so this continues to work after device_create() is removed. Note that this driver never had the race which motivated removing the original call; it locked correctly. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: sound: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Cc: Jaroslav Kysela <perex@perex.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: scsi: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Cc: James E.J. Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: s390: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: net: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Cc: Jeff Garzik <jgarzik@pobox.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: mtd: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: misc: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: mips: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: macintosh: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: isdn: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Cc: Karsten Keil <kkeil@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: infiniband: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Cc: Roland Dreier <rolandd@cisco.com> Cc: Sean Hefty <sean.hefty@intel.com> Cc: Hal Rosenstock <hal.rosenstock@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: ieee1394: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Cc: Ben Collins <ben.collins@ubuntu.com> Acked-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: ide: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: i2c: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Cc: Jean Delvare <khali@linux-fr.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: hwmon: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Cc: Mark M. Hoffman <mhoffman@lightlink.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: hid: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: framebuffer: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Cc: Antonino Daplas <adaplas@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: dvb: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: dca: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: coda: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Cc: Jan Harkes <jaharkes@cs.cmu.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: char: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21device create: block: convert device_create to device_create_drvdataGreg Kroah-Hartman
device_create() is race-prone, so use the race-free device_create_drvdata() instead as device_create() is going away. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21Firmware: fix typo in example codeGreg Kroah-Hartman
It's not like this stuff even builds right now, but this will make Randy's scripts happy :) Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21debugfs: Add a reference to the debugfs API documentation.Robert P. J. Day
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Cc: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21kobject: replace '/' with '!' in nameKay Sievers
Some (block) devices have a '/' in the name, and need special handling. Let's have that rule to the core, so we can remove it from the block class. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21sysfs: add /sys/dev/{char,block} to lookup sysfs path by major:minorDan Williams
Why?: There are occasions where userspace would like to access sysfs attributes for a device but it may not know how sysfs has named the device or the path. For example what is the sysfs path for /dev/disk/by-id/ata-ST3160827AS_5MT004CK? With this change a call to stat(2) returns the major:minor then userspace can see that /sys/dev/block/8:32 links to /sys/block/sdc. What are the alternatives?: 1/ Add an ioctl to return the path: Doable, but sysfs is meant to reduce the need to proliferate ioctl interfaces into the kernel, so this seems counter productive. 2/ Use udev to create these symlinks: Also doable, but it adds a udev dependency to utilities that might be running in a limited environment like an initramfs. 3/ Do a full-tree search of sysfs. [kay.sievers@vrfy.org: fix duplicate registrations] [kay.sievers@vrfy.org: cleanup suggestions] Cc: Neil Brown <neilb@suse.de> Cc: Tejun Heo <htejun@gmail.com> Acked-by: Kay Sievers <kay.sievers@vrfy.org> Reviewed-by: SL Baur <steve@xemacs.org> Acked-by: Kay Sievers <kay.sievers@vrfy.org> Acked-by: Mark Lord <lkml@rtr.ca> Acked-by: H. Peter Anvin <hpa@zytor.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (100 commits) usb-storage: revert DMA-alignment change for Wireless USB USB: use reset_resume when normal resume fails usb_gadget: composite cdc gadget fault handling usb gadget: minor USBCV fix for composite framework USB: Fix bug with byte order in isp116x-hcd.c fio write/read USB: fix double kfree in ipaq in error case USB: fix build error in cdc-acm for CONFIG_PM=n USB: remove board-specific UP2OCR configuration from pxa27x-udc USB: EHCI: Reconciling USB register differences on MPC85xx vs MPC83xx USB: Fix pointer/int cast in USB devio code usb gadget: g_cdc dependso on NET USB: Au1xxx-usb: suspend/resume support. USB: Au1xxx-usb: clean up ohci/ehci bus glue sources. usbfs: don't store bad pointers in registration usbfs: fix race between open and unregister usbfs: simplify the lookup-by-minor routines usbfs: send disconnect signals when device is unregistered USB: Force unbinding of drivers lacking reset_resume or other methods USB: ohci-pnx4008: I2C cleanups and fixes USB: debug port converter does not accept more than 8 byte packets ...
2008-07-21usb-storage: revert DMA-alignment change for Wireless USBAlan Stern
This patch (as1110) reverts an earlier patch meant to help with Wireless USB host controllers. These controllers can have bulk maxpacket values larger than 512, which puts unusual constraints on the sizes of scatter-gather list elements. However it turns out that the block layer does not provide the support we need to enforce these constraints; merely changing the DMA alignment mask doesn't help. Hence there's no reason to keep the original patch. The Wireless USB problem will have to be solved a different way. In addition, there is a reason to get rid of the earlier patch. By dereferencing a pointer stored in the ep_in array of struct usb_device, the current code risks an invalid memory access when it runs concurrently with device removal. The members of that array are cleared before the driver's disconnect method is called, so it should not try to use them. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21USB: use reset_resume when normal resume failsAlan Stern
This patch (as1109b) makes USB-Persist more resilient to errors. With the current code, if a normal resume fails, it's an unrecoverable error. With the patch, if a normal resume fails (and if the device is enabled for USB-Persist) then a reset-resume is tried. This fixes the problem reported in Bugzilla #10977. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21usb_gadget: composite cdc gadget fault handlingDavid Brownell
These two fixes ensure the new "CDC Composite Device" gadget fails cleanly when it's loaded on hardware that can't support this particular gadget driver. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21usb gadget: minor USBCV fix for composite frameworkDavid Lopo
Fill in a reserved/unused device qualifier field to ensure that the USBCV tests will always pass. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21USB: Fix bug with byte order in isp116x-hcd.c fio write/readJulien May
URB payload data are transfered in wrong byte order on a big endinan architecture (AVR32). Signed-off-by: Julien May <mailinglist@miromico.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21USB: fix double kfree in ipaq in error caseOliver Neukum
in the error case the ipaq driver leaves a dangling pointer to already freed memory that will be freed again. Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21USB: fix build error in cdc-acm for CONFIG_PM=nOliver Neukum
Here's the fix. cdc-wdm has the same problem. The fix is the same. Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21USB: remove board-specific UP2OCR configuration from pxa27x-udcDaniel Ribeiro
Remove the board-specific UP2OCR configuration from the pxa27x-udc driver. Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21USB: EHCI: Reconciling USB register differences on MPC85xx vs MPC83xxSrikanth Srinivasan
A couple of USB register initializations had to be changed on MPC85xx platforms. This is due to the internal SoC buses being different on MPC83xx SoCs vs MPC85xx SoCs. We currently handle this via an ifdef since 83xx and 85xx are mutually exclusive kernel builds. Signed-off-by: Srikanth Srinivasan <srikanth.srinivasan@freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21USB: Fix pointer/int cast in USB devio codeDavid Howells
Fix pointer/int cast in USB devio code, and thus avoid a compiler warning. A void* data argument passed to bus_find_device() and thence to match_devt() is used to carry a 32-bit datum. However, casting directly between a u32 and a pointer is not permitted - there must be an intermediate cast via (unsigned) long. This was introduced by the following patch: commit 94b1c9fa060ece2c8f080583beb6cc6008e41413 Author: Alan Stern <stern@rowland.harvard.edu> Date: Tue Jun 24 14:47:12 2008 -0400 usbfs: simplify the lookup-by-minor routines This patch (as1105) simplifies the lookup-by-minor-number code in usbfs. Instead of passing the minor number to the callback, which must then reconstruct the entire dev_t value, the patch passes the dev_t value directly. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: David Howells <dhowells@redhat.com> Cc: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21usb gadget: g_cdc dependso on NETRandy Dunlap
g_cdc needs to depend on NET, otherwise net-related build errors happen: ERROR: "netif_carrier_on" [drivers/usb/gadget/g_cdc.ko] undefined! ERROR: "netif_carrier_off" [drivers/usb/gadget/g_cdc.ko] undefined! ERROR: "netif_rx" [drivers/usb/gadget/g_cdc.ko] undefined! ERROR: "alloc_etherdev_mq" [drivers/usb/gadget/g_cdc.ko] undefined! ERROR: "free_netdev" [drivers/usb/gadget/g_cdc.ko] undefined! ERROR: "register_netdev" [drivers/usb/gadget/g_cdc.ko] undefined! ERROR: "print_mac" [drivers/usb/gadget/g_cdc.ko] undefined! ERROR: "dev_kfree_skb_any" [drivers/usb/gadget/g_cdc.ko] undefined! ERROR: "__alloc_skb" [drivers/usb/gadget/g_cdc.ko] undefined! ERROR: "eth_type_trans" [drivers/usb/gadget/g_cdc.ko] undefined! ERROR: "unregister_netdev" [drivers/usb/gadget/g_cdc.ko] undefined! ERROR: "__netif_schedule" [drivers/usb/gadget/g_cdc.ko] undefined! ERROR: "skb_put" [drivers/usb/gadget/g_cdc.ko] undefined! Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-07-21USB: Au1xxx-usb: suspend/resume support.Manuel Lauss
Copy the OHCI/EHCI PM callbacks of the PCI implementation since they work equally well on Au1xxx hardware. Tested on Au1200. Signed-off-by: Manuel Lauss <mano@roarinelk.homelinux.net> Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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