- 10 Aug, 2010 40 commits
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Michal Nazarewicz authored
usb_string_ids_tab() and usb_string_ids_n() functions added to the composite framework. The first accepts an array of usb_string object and for each registeres a string id and the second registeres a given number of ids and returns the first. This may simplify string ids registration since gadgets and composite functions won't have to call usb_string_id() several times and each time check for errer status -- all this will be done with a single call. Signed-off-by:
Michal Nazarewicz <m.nazarewicz@samsung.com> Signed-off-by:
Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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Michal Nazarewicz authored
FunctionFS had a bit unique name for function used to add it to USB configuration. Renamed as to match naming convention of other functions. Signed-off-by:
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Michal Nazarewicz authored
Mass Storage Function had a bit unique name for function used to add it to USB configuration. Renamed as to match naming convention of other functions. Signed-off-by:
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Michal Nazarewicz authored
This patch changes msg_do_config() function so that it uses a static object for a fsg_common structure instead of dynamically allocated. This is a micro-optimisation. Signed-off-by:
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Arnd Bergmann authored
compat_ioctl does not use the BKL, so I assume that the native function does not need it either. The open function is already protected by the driver's mutex, the BKL is probably not needed here either. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Pete Zaitcev <zaitcev@redhat.com> Signed-off-by:
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Arnd Bergmann authored
There is no gadget driver in the tree that actually implements the ioctl operation, so obviously it is not necessary to hold the BKL around the call. Signed-off-by:
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Andi Kleen authored
BKL was not really needed, just came from earlier push downs. The only part that's a bit dodgy is the lseek function. Would need another lock or atomic access to fpos on 32bit? Better to have a libfs lseek Signed-off-by:
Andi Kleen <ak@linux.intel.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Alan Stern <stern@rowland.harvard.edu> Signed-off-by:
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Andi Kleen authored
The usb serial driver initialization tried to use the BKL to stop driver modules from unloading, but that didn't work anyways. There was already some code to do proper try_module_get, but it was conditional on having a new probe interface. I checked all the low level drivers and they all have proper .owner = THIS_MODULE, so it's ok to always use. The other problem was the usb_serial_driver_list needing protection by a lock. This was broken anyways because unregister did not necessarily have the BKL. I extended the extending table_lock mutex to protect this case too. With these changes the BKL can be removed here. Signed-off-by:
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Andi Kleen authored
And audit all the users. None needed the BKL. That was easy because there was only very few around. Tested with allmodconfig build on x86-64 Signed-off-by: -
Andi Kleen authored
The code this is attempting to lock against does not use the BKL, so it's not needed. Most likely this code is still broken/racy (Al Viro also thinks so), but removing the BKL should not make it worse than before. Signed-off-by:
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Nicolas Kaiser authored
Fixed spacing and indentation coding style issues. Signed-off-by:
Nicolas Kaiser <nikai@nikai.net> Signed-off-by:
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Yann Cantin authored
This patch add a serial number parameter to the g_file_storage module. There's validity checks against the string passed to comply with the specs. Signed-off-by:
Yann Cantin <yann.cantin@laposte.net> Cc: Michał Nazarewicz <m.nazarewicz@samsung.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by:
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Nicolas Kaiser authored
Fixed spacing and brace coding style issues. Signed-off-by:
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Joe Perches authored
Signed-off-by:
Joe Perches <joe@perches.com> Signed-off-by:
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Leann Ogasawara authored
ipaq already had this device id defined: { USB_DEVICE(0x0BB4, 0x00CF) }, /* HTC USB Modem */ Revert the commit which adds the duplicate entry. This reverts commit 04cab132. Originally-by:Ben Collins <ben.collins@canonical.com> Signed-off-by:
Leann Ogasawara <leann.ogasawara@canonical.com> Signed-off-by:
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Leann Ogasawara authored
AMOI_VENDOR_ID is defined twice. Remove the duplicate entry and move the AMOI_PRODUCT_9508 definition to be grouped with the other AMOI product definitions. Originally-by:
Ben Collins <ben.collins@ubuntu.com> Signed-off-by:
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Alek Du authored
This patch will enable Per-port event feature defined in EHCI 1.1 addendum. This feature addresses an issue where HCD is currently required to read and parse PORTSC for all enabled root hub ports. With this patch, the overhead will be reduced. Signed-off-by:
Alek Du <alek.du@intel.com> Signed-off-by:
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Alek Du authored
With this patch, the LPM capable EHCI host controller can put device into L1 sleep state which is a mode that can enter/exit quickly, and reduce power consumption. Signed-off-by:
Jacob Pan <jacob.jun.pan@intel.com> Signed-off-by:
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Alek Du authored
EHCI 1.1 addendum introduced several energy efficiency extensions for EHCI USB host controllers: 1. LPM (link power management) 2. Per-port change 3. Shorter periodic frame list 4. Hardware prefetching This patch is intended to define the HW bits and debug interface for EHCI 1.1 addendum. The LPM and Per-port change patches will be sent out after this patch. Signed-off-by:
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Andy Shevchenko authored
Recent kernel has common method to convert hex digit to its value. Signed-off-by:
Andy Shevchenko <ext-andriy.shevchenko@nokia.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by:
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Joe Perches authored
Signed-off-by:
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Julia Lawall authored
The test above allows std to be NULL, so check that std is not NULL before doing the dereference. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r exists@ expression E,E1; identifier f; statement S1,S2,S3; @@ if ((E == NULL && ...) || ...) { ... when != if (...) S1 else S2 when != E = E1 * E->f ... when any } else S3 // </smpl> Signed-off-by:
Julia Lawall <julia@diku.dk> Signed-off-by:
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Igor Grinberg authored
otg_io_write() function does not follow the declaration of struct otg_io_access_ops. Signed-off-by:
Igor Grinberg <grinberg@compulab.co.il> Signed-off-by:
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csanchez@neurowork.net authored
Fixed coding styles in the core usb endpoint. Signed-off-by:
Carlos Sánchez Acosta <csanchez@neurowork.net> Signed-off-by:
Alejandro Sánchez Acosta <asanchez@neurowork.net> Signed-off-by:
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csanchez@neurowork.net authored
Fixed coding styles in the core usb driver. Signed-off-by:
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Andrea Gelmini authored
Documentation/usb/linux.inf:66: ERROR: trailing whitespace Documentation/usb/linux.inf:67: ERROR: trailing whitespace Documentation/usb/linux.inf:98: ERROR: trailing whitespace Documentation/usb/linux.inf:99: ERROR: trailing whitespace Documentation/usb/linux.inf:115: ERROR: trailing whitespace Documentation/usb/linux.inf:116: ERROR: trailing whitespace Documentation/usb/linux.inf:120: ERROR: trailing whitespace Documentation/usb/linux.inf:121: ERROR: trailing whitespace Documentation/usb/linux.inf:122: ERROR: trailing whitespace Documentation/usb/linux.inf:123: ERROR: trailing whitespace Documentation/usb/linux.inf:144: ERROR: trailing whitespace Documentation/usb/linux.inf:145: ERROR: trailing whitespace Documentation/usb/linux.inf:146: ERROR: trailing whitespace Documentation/usb/linux.inf:147: ERROR: trailing whitespace Documentation/usb/linux.inf:158: ERROR: trailing whitespace Signed-off-by:
Andrea Gelmini <andrea.gelmini@gelma.net> Signed-off-by:
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Andrea Gelmini authored
Documentation/usb/hotplug.txt:13: ERROR: trailing whitespace Documentation/usb/hotplug.txt:87: ERROR: trailing whitespace Signed-off-by:
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Andrea Gelmini authored
Documentation/usb/ehci.txt:12: ERROR: trailing whitespace Signed-off-by:
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Julia Lawall authored
Use memdup_user when user data is immediately copied into the allocated region. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression from,to,size,flag; position p; identifier l1,l2; @@ - to = \(kmalloc@p\|kzalloc@p\)(size,flag); + to = memdup_user(from,size); if ( - to==NULL + IS_ERR(to) || ...) { <+... when != goto l1; - -ENOMEM + PTR_ERR(to) ...+> } - if (copy_from_user(to, from, size) != 0) { - <+... when != goto l2; - -EFAULT - ...+> - } // </smpl> Signed-off-by:
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Alan Stern authored
This patch (as1382) changes the USB_EHCI_TT_NEWSCHED Kconfig option to be non-experimental and to default to Y. This option has existed for a long time, and I have not heard any complaints concerning it. By contrast, several people have reported that their devices could be made to work only by enabling the option. The point of changing the default is to cause the option to be enabled by distros that simply use the default settings for esoteric things like this. This change was motivated by Bugzilla #15649. Signed-off-by:
Alan Stern <stern@rowland.harvard.edu> CC: David Brownell <david-b@pacbell.net> Signed-off-by:
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James Courtier-Dutton authored
Signed-off-by:
James Courtier-Dutton <James@superbug.co.uk> Signed-off-by:
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Sarah Sharp authored
When code to manipulate the command register was refactored from xhci_run() to xhci_start(), a debugging statement was left behind that no longer applies. Remove that statement. Signed-off-by:
Sarah Sharp <sarah.a.sharp@linux.intel.com> Reported-by:
Sergei Shtylyov <sshtylyov@mvista.com> Signed-off-by:
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Nicolas Kaiser authored
Fixed spacing coding style issues. Signed-off-by:
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Nicolas Kaiser authored
Fixed brace coding style issues. Signed-off-by:
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Alan Stern authored
This patch (as1392) fixes a bug in uhci-hcd: The start_rh() routine is supposed to be called with the private spinlock held. If an IRQ comes in at just the wrong time, the driver will think the controller has died when in fact it simply hasn't start yet. The patch also addresses some issues that may prevent an URB from being unlinked after the controller has stopped. This is an abnormal occurrence (ordinarily the controller stops only when the entire bus is suspended and hence there are no active URBs), so the pathways haven't gotten much testing. These two changes may be a little more than is strictly necessary, but clearly they won't hurt. Signed-off-by:
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Alan Stern authored
This patch (as1391) fixes a problem that can occur when USB host controller hardware is hot-unplugged. If no interrupts are generated by the unplug then the HCD may not realize that the controller is gone, and the subsequent unbind may hang waiting for interrupts that never arrive. The solution (for PCI-based controllers) is to call the HCD's interrupt handler at the start of usb_hcd_pci_remove(). If the hardware is gone, the handler will realize this when it tries to read the controller's status register. Signed-off-by:
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Alan Stern authored
This patch (as1390) fixes a problem that crops up when a UHCI host controller is unbound from uhci-hcd while there are still some active URBs. The URBs have to be unlinked when the root hub is unregistered, and uhci-hcd relies upon root-hub status polls as part of its unlinking procedure. But usb_hcd_poll_rh_status() won't make those status calls if hcd->rh_registered is clear, and the flag is cleared _before_ the unregistration takes place. Since hcd->rh_registered is used for other things and needs to be cleared early, the solution is to add a new flag (rh_pollable) and use it instead. It gets cleared _after_ the root hub is unregistered. Now that the status polls don't end too soon, we have to make sure they also don't occur too late -- after the root hub's usb_device structure or the HCD's private structures are deallocated. Therefore the patch adds usb_get_device() and usb_put_device() calls to protect the root hub structure, and it adds an extra del_timer_sync() to prevent the root-hub timer from causing an unexpected status poll. This additional complexity would not be needed if the HCD framework had provided separate stop() and release() callbacks instead of just stop(). This lack could be fixed at some future time (although it would require changes to every host controller driver); when that happens this patch won't be needed any more. Signed-off-by:
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Alan Stern authored
This patch (as1389) fixes some errors in the failure pathway of usb_add_hcd(). The actions it takes ought to be exactly the same as those taken by usb_remove_hcd(), but they aren't. In one case (removal of the usb_bus_attr_group), the two routines are brought into agreement by changing usb_remove_hcd(). All the other discrepancies are fixed by changing usb_add_hcd(). Signed-off-by:
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git://decibel.fi.muni.cz/~xslaby/linuxLinus Torvalds authored
* 'writable_limits' of git://decibel.fi.muni.cz/~xslaby/linux: unistd: add __NR_prlimit64 syscall numbers rlimits: implement prlimit64 syscall rlimits: switch more rlimit syscalls to do_prlimit rlimits: redo do_setrlimit to more generic do_prlimit rlimits: add rlimit64 structure rlimits: do security check under task_lock rlimits: allow setrlimit to non-current tasks rlimits: split sys_setrlimit rlimits: selinux, do rlimits changes under task_lock rlimits: make sure ->rlim_max never grows in sys_setrlimit rlimits: add task_struct to update_rlimit_cpu rlimits: security, add task_struct to setrlimit Fix up various system call number conflicts. We not only added fanotify system calls in the meantime, but asm-generic/unistd.h added a wait4 along with a range of reserved per-architecture system calls.
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git://git.infradead.org/mtd-2.6Linus Torvalds authored
* git://git.infradead.org/mtd-2.6: (79 commits) mtd: Remove obsolete <mtd/compatmac.h> include mtd: Update copyright notices jffs2: Update copyright notices mtd-physmap: add support users can assign the probe type in board files mtd: remove redwood map driver mxc_nand: Add v3 (i.MX51) Support mxc_nand: support 8bit ecc mxc_nand: fix correct_data function mxc_nand: add V1_V2 namespace to registers mxc_nand: factor out a check_int function mxc_nand: make some internally used functions overwriteable mxc_nand: rework get_dev_status mxc_nand: remove 0xe00 offset from registers mtd: denali: Add multi connected NAND support mtd: denali: Remove set_ecc_config function mtd: denali: Remove unuseful code in get_xx_nand_para functions mtd: denali: Remove device_info_tag structure mtd: m25p80: add support for the Winbond W25Q32 SPI flash chip mtd: m25p80: add support for the Intel/Numonyx {16,32,64}0S33B SPI flash chips mtd: m25p80: add support for the EON EN25P{32, 64} SPI flash chips ... Fix up trivial conflicts in drivers/mtd/maps/{Kconfig,redwood.c} due to redwood driver removal.
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