linux/drivers/usb, branch v2.6.34

Fix the regression created by "set S_DEAD on unlink()..." commit

2010-05-15T11:16:33Z

1) i_flags simply doesn't work for mount/unlink race prevention; we may have many links to file and rm on one of those obviously shouldn't prevent bind on top of another later on. To fix it right way we need to mark _dentry_ as unsuitable for mounting upon; new flag (DCACHE_CANT_MOUNT) is protected by d_flags and i_mutex on the inode in question. Set it (with dont_mount(dentry)) in unlink/rmdir/etc., check (with cant_mount(dentry)) in places in namespace.c that used to check for S_DEAD. Setting S_DEAD is still needed in places where we used to set it (for directories getting killed), since we rely on it for readdir/rmdir race prevention. 2) rename()/mount() protection has another bogosity - we unhash the target before we'd checked that it's not a mountpoint. Fixed. 3) ancient bogosity in pivot_root() - we locked i_mutex on the right directory, but checked S_DEAD on the different (and wrong) one. Noticed and fixed. Signed-off-by: Al Viro

USB: sl811-hcd: Fix device disconnect

2010-04-30T16:25:12Z

A while ago I provided a patch that fixed device detection after device removal (USB: sl811-hcd: Fix device disconnect). Chris Brissette pointed out that the detection/removal counter method to distinguish insert or remove my fail under certain conditions. Latest SL811HS datasheet (Document 38-08008 Rev. *D) indicates that bit 6 (SL11H_INTMASK_RD) of the Interrupt Status Register together with bit 5 (SL11H_INTMASK_INSRMV) can be used to determine whether a device has been inserted or removed. Signed-off-by: Michael Hennerich Signed-off-by: Mike Frysinger Signed-off-by: Greg Kroah-Hartman

USB: ohci-at91: fix power management hanging

2010-04-30T16:25:12Z

A hanging has been detected in ohci-at91 while going in suspend to ram. This is due to asynchronous operations between ohci reset and ohci clocks shutdown. This patch adds the reading of the control register between the reset of the ohci and clocks stop. This "flush the writes" idea was taken from ohci-hcd.c file (ohci_shutdown() function). Signed-off-by: Patrice Vilchez Signed-off-by: Nicolas Ferre Signed-off-by: Greg Kroah-Hartman

USB: rename usb_buffer_alloc() and usb_buffer_free()

2010-04-30T16:25:12Z

For more clearance what the functions actually do, usb_buffer_alloc() is renamed to usb_alloc_coherent() usb_buffer_free() is renamed to usb_free_coherent() They should only be used in code which really needs DMA coherency. [added compatibility macros so we can convert things easier - gregkh] Signed-off-by: Daniel Mack Cc: Alan Stern Cc: Pedro Ribeiro Signed-off-by: Greg Kroah-Hartman

USB: ti_usb: fix printk format warning

2010-04-30T16:25:11Z

Fix printk format warning in usbserial/ti_usb: drivers/usb/serial/ti_usb_3410_5052.c:1738: warning: format '%d' expects type 'int', but argument 5 has type 'size_t' Signed-off-by: Randy Dunlap Signed-off-by: Greg Kroah-Hartman

USB: gadget: s3c-hsotg: Add missing unlock

2010-04-30T16:25:11Z

In an error handling case the lock is not unlocked. The return is converted to a goto, to share the unlock at the end of the function. A simplified version of the semantic patch that finds this problem is as follows: (http://coccinelle.lip6.fr/) // @r exists@ expression E1; identifier f; @@ f (...) { <+... * spin_lock_irqsave (E1,...); ... when != E1 * return ...; ...+> } // Signed-off-by: Julia Lawall Signed-off-by: Greg Kroah-Hartman

USB: fix build on OMAPs if CONFIG_PM_RUNTIME is not set

2010-04-30T16:25:11Z

With patch as1329 (USB: convert to the runtime PM framework), we make USB_SUSPEND depend on PM_RUNTIME instead of CONFIG_PM. Also, CONFIG_USB_OTG selects CONFIG_USB_SUSPEND. If PM_RUNTIME is not enabled, and we try to enable USB_OTG, we will end up with CONFIG_USB_SUSPEND selected. This is due to a known bug with the select statement. This makes the build break on various OMAP configs (which have CONFIG_USB_OTG set by default, but do not yet have CONFIG_PM_RUNTIME enabled). Avoid this by changing the logic for CONFIG_USB_OTG from "select USB_SUSPEND" to "depends on USB_SUSPEND" Signed-off-by: Anand Gadiyar CC: Michal Marek CC: Tony Lindgren CC: Alan Stern Signed-off-by: Greg Kroah-Hartman

USB: oxu210hp: release spinlock on error path

2010-04-30T16:25:11Z

Smatch complained about this missing spinlock. Signed-off-by: Dan Carpenter Signed-off-by: Greg Kroah-Hartman

USB: serial: option: add cinterion device id

2010-04-30T16:25:11Z

This adds a device id for a Cinterion device. Reported-by: John Race Signed-off-by: Greg Kroah-Hartman

USB: serial: option: ZTEAC8710 Support with Device ID 0xffff

2010-04-30T16:25:11Z

PATCH TO EXTEND SUPPORT TO AC8710 WITH 0xFFFF Product ID. Signed-off-by: Mahesh Kuruganti Signed-off-by: Greg Kroah-Hartman