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path: root/drivers/usb
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2015-11-20drivers: dwc3: Set dma ops for xhci devRajesh Bhagat
Set dmap ops for xhci dev same as dwc3 dev Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Signed-off-by: Rajesh Bhagat <rajesh.bhagat@freescale.com>
2015-11-20drivers: dwc3 : Add support for USB snoopingRajesh Bhagat
Add support for USB3 snooping by asserting bits in register DWC3_GSBUSCFG0 for data and descriptor Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Signed-off-by: Rajesh Bhagat <rajesh.bhagat@freescale.com>
2015-11-20drivers: dwc3: host: Change burst beat and outstanding pipelined transfers ↵Rajesh Bhagat
requests. This is required for better performance Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Signed-off-by: Rajesh Bhagat <rajesh.bhagat@freescale.com>
2015-06-10drivers: usb: gadget: Correct NULL pointer checking in fsl gadgetNikhil Badola
Correct NULL pointer checking for endpoint descriptor before it gets dereferenced Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Change-Id: I449d00d49f2ae842aa256907021b95b7885ccaf5 Reviewed-on: http://git.am.freescale.net:8181/37641 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Reviewed-by: Honghua Yin <Hong-Hua.Yin@freescale.com>
2015-05-13drivers:usb:fsl: Compile out USB clk functionsNikhil Badola
Compile out USB clk functions for PPC platforms as there is no usb clk specific initialization on any of these platforms Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Change-Id: I766a30c6584b56d7105f7c080440ba5acb3f62a8 Reviewed-on: http://git.am.freescale.net:8181/36197 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Reviewed-by: Honghua Yin <Hong-Hua.Yin@freescale.com>
2015-05-13drivers:usb:fsl: Correct endpoint name checkingNikhil Badola
Endpoint name being statically defined cannot be NULL hence checking name's first two character with "ep" for endpoint validity Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Change-Id: I1fc6b71fce4807fdc18a96db0182c15dd9e3c649 Reviewed-on: http://git.am.freescale.net:8181/36196 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Reviewed-by: Honghua Yin <Hong-Hua.Yin@freescale.com>
2015-05-13drivers:usb:fsl: Remove unused variableNikhil Badola
Remove unused variable td_complete Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Change-Id: I5e16b5ff77577db19ddd5f231603aba78bbaaa6d Reviewed-on: http://git.am.freescale.net:8181/36195 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Reviewed-by: Honghua Yin <Hong-Hua.Yin@freescale.com>
2015-05-13drivers:usb:fsl: Check memory resource before releasing itNikhil Badola
Check memory resource existence before releasing it to avoid NULL pointer dereference Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Change-Id: I1f34b13e1669a3271250205c788e74b3228477e8 Reviewed-on: http://git.am.freescale.net:8181/36193 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Honghua Yin <Hong-Hua.Yin@freescale.com>
2015-04-30powerpc:rcpm:usb: Fix kernel crash in setting usb as wakeup sourceRamneek Mehresh
Fix kernel crash issue in setting usb as wake-up source for system sleep feature for relevant qoriq platforms (those supporting system sleep via rcpm) Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Change-Id: I838234aff00800b6fafbb02ec12de7d3f2cc6075 Reviewed-on: http://git.am.freescale.net:8181/33283 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Honghua Yin <Hong-Hua.Yin@freescale.com>
2015-03-30drivers:usb:pm: Fix usb pm support for deep-sleepRamneek Mehresh
Make sure that saving and restoration of usb phy registers only happen in case of deep-sleep, and not for any other feature like sleep, etc. Also export pm_suspend_state() and set_pm_suspend_state() Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Change-Id: I2e08208c975ec7aee7ed42e7d424aaa8d14899e3 Reviewed-on: http://git.am.freescale.net:8181/33384 Reviewed-by: Nikhil Badola <nikhil.badola@freescale.com> Tested-by: Honghua Yin <Hong-Hua.Yin@freescale.com> Reviewed-by: Honghua Yin <Hong-Hua.Yin@freescale.com>
2015-03-30drivers:usb:dwc3 : Implement workaround for Erratum A009116Nikhil Badola
Write fladj register adjusts (micro)frame length to appropriate value thus avoiding USB 2.0 devices to time-out over a longer run Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Change-Id: I26df8b7d134d08171a096dba7871f7334be02315 Reviewed-on: http://git.am.freescale.net:8181/33664 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Reviewed-by: Honghua Yin <Hong-Hua.Yin@freescale.com>
2015-02-13Merge branch 'rtmerge'Scott Wood
Signed-off-by: Scott Wood <scottwood@freescale.com> Conflicts: arch/arm/kvm/mmu.c arch/arm/mm/proc-v7-3level.S arch/powerpc/kernel/vdso32/getcpu.S drivers/crypto/caam/error.c drivers/crypto/caam/sg_sw_sec4.h drivers/usb/host/ehci-fsl.c
2015-02-13a few open coded completionsSebastian Andrzej Siewior
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
2015-02-13USB: Fix the mouse problem when copying large amounts of dataWu Zhangjin
When copying large amounts of data between the USB storage devices and the hard disk, the USB mouse will not work, this patch fixes it. [NOTE: This problem have been found in the Loongson family machines, not sure whether it is producible on other platforms] Signed-off-by: Hu Hongbing <huhb@lemote.com> Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
2015-02-13usb: use _nort in givebackSebastian Andrzej Siewior
Since commit 94dfd7ed ("USB: HCD: support giveback of URB in tasklet context") I see |BUG: sleeping function called from invalid context at kernel/rtmutex.c:673 |in_atomic(): 0, irqs_disabled(): 1, pid: 109, name: irq/11-uhci_hcd |no locks held by irq/11-uhci_hcd/109. |irq event stamp: 440 |hardirqs last enabled at (439): [<ffffffff816a7555>] _raw_spin_unlock_irqrestore+0x75/0x90 |hardirqs last disabled at (440): [<ffffffff81514906>] __usb_hcd_giveback_urb+0x46/0xc0 |softirqs last enabled at (0): [<ffffffff81081821>] copy_process.part.52+0x511/0x1510 |softirqs last disabled at (0): [< (null)>] (null) |CPU: 3 PID: 109 Comm: irq/11-uhci_hcd Not tainted 3.12.0-rt0-rc1+ #13 |Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 | 0000000000000000 ffff8800db9ffbe0 ffffffff8169f064 0000000000000000 | ffff8800db9ffbf8 ffffffff810b2122 ffff88020f03e888 ffff8800db9ffc18 | ffffffff816a6944 ffffffff810b5748 ffff88020f03c000 ffff8800db9ffc50 |Call Trace: | [<ffffffff8169f064>] dump_stack+0x4e/0x8f | [<ffffffff810b2122>] __might_sleep+0x112/0x190 | [<ffffffff816a6944>] rt_spin_lock+0x24/0x60 | [<ffffffff8158435b>] hid_ctrl+0x3b/0x190 | [<ffffffff8151490f>] __usb_hcd_giveback_urb+0x4f/0xc0 | [<ffffffff81514aaf>] usb_hcd_giveback_urb+0x3f/0x140 | [<ffffffff815346af>] uhci_giveback_urb+0xaf/0x280 | [<ffffffff8153666a>] uhci_scan_schedule+0x47a/0xb10 | [<ffffffff81537336>] uhci_irq+0xa6/0x1a0 | [<ffffffff81513c48>] usb_hcd_irq+0x28/0x40 | [<ffffffff810c8ba3>] irq_forced_thread_fn+0x23/0x70 | [<ffffffff810c918f>] irq_thread+0x10f/0x150 | [<ffffffff810a6fad>] kthread+0xcd/0xe0 | [<ffffffff816a842c>] ret_from_fork+0x7c/0xb0 on -RT we run threaded so no need to disable interrupts. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
2015-02-13usb: Use local_irq_*_nort() variantsSteven Rostedt
[ tglx: Now that irqf_disabled is dead we should kill that ] Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-02-13Reset to 3.12.37Scott Wood
2014-12-11drivers: usb: fsl: Turn on cache snooping hardware in usb gadgetNikhil Badola
Turn on cache snooping hardware in usb gadget for PPC 64-bit Kernel Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Change-Id: Iaa4049a6bde66038a99f8d716a983c7c41ae4594 Reviewed-on: http://git.am.freescale.net:8181/25529 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Suresh Gupta <suresh.gupta@freescale.com> Reviewed-by: Matthew Weigel <Matthew.Weigel@freescale.com>
2014-12-11drivers: usb: Introduce FSL_USB2_PHY_UTMI_DUAL for usb gadgetNikhil Badola
Introduce FSL_USB2_PHY_UTMI_DUAL in gadget driver for setting phy in SOCs with utmi dual phy Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Change-Id: I2c53b89d9916bd17b5be8b5d9e32454943172d55 Reviewed-on: http://git.am.freescale.net:8181/25528 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Suresh Gupta <suresh.gupta@freescale.com> Reviewed-by: Matthew Weigel <Matthew.Weigel@freescale.com>
2014-12-11drivers: usb: Modify workaround for USB Erratum A005697Nikhil Badola
Change the position of delay introduced by erratum A005697 workaround Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Change-Id: Idb1127ac310efc6eba7726a7b95a41a830aba178 Reviewed-on: http://git.am.freescale.net:8181/25349 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Matthew Weigel <Matthew.Weigel@freescale.com>
2014-12-11drivers:usb:gadget: Fix kernel boot dump for usb gadegt drvRamneek Mehresh
Copy of_node property only for host mode so as to fix gadget mode kernel dump messages Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Change-Id: Ia80243d9531629f748c066259da979ba6e59adf1 Reviewed-on: http://git.am.freescale.net:8181/25431 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Suresh Gupta <suresh.gupta@freescale.com> Reviewed-by: Matthew Weigel <Matthew.Weigel@freescale.com>
2014-12-11drivers:usb: Fix usb suspend/resume for deep-sleepRamneek Mehresh
Save usb controller and phy registers for deep-sleep Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Change-Id: I58696ab15c629a7712adcba67df9b8fd582a1c6e Reviewed-on: http://git.am.freescale.net:8181/25418 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Suresh Gupta <suresh.gupta@freescale.com> Reviewed-by: Matthew Weigel <Matthew.Weigel@freescale.com>
2014-12-11drivers:usb:pm: Fix sleep/deep-sleep issue for external ULPI phyRamneek Mehresh
External ULPI phy registers are not to be restored during normal sleep when phy power is not cut-off. In addition, phy saving/restoration needs to happen only during deep-sleep Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Change-Id: I840724ff3cf4e85582e2e1c73b1ff9798dfd7304 Reviewed-on: http://git.am.freescale.net:8181/24849 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Nikhil Badola <nikhil.badola@freescale.com> Reviewed-by: Matthew Weigel <Matthew.Weigel@freescale.com>
2014-12-11drivers:usb:fsl: Fix deep-sleep resume issue caused by usbRamneek Mehresh
usb ip driver needs to save and restore all registers including phy registers across deep-sleep. This is required since latest changes in u-boot code doesn't re-init usb phy anymore during deep-sleep resume Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Signed-off-by: Suresh Gupta <suresh.gupta@freescale.com> Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Change-Id: Idc957b013a804bb4b12fa17836d0ae2371aeeed4 Reviewed-on: http://git.am.freescale.net:8181/24603 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Richard Schmitt <richard.schmitt@freescale.com>
2014-12-11usb: dwc3: core: support optional PHYsNikhil Badola
Since PHYs for dwc3 is optional (not all SoCs having PHYs for DWC3 should be programmed), do not return from probe if the USB PHY library returns -ENODEV as that indicates the platform does not have a programmable PHY. While this can be considered as a temporary fix, a long term solution would be to add 'nop' PHY for platforms that does not have programmable PHY. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Reviewed-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com> --- Backported from open source linux commit 122f06e60f90a43d9b2fb30662af688dfb759379 Change-Id: I69055c21ee4857db5ef941ad6eac20051f0d84fc Reviewed-on: http://git.am.freescale.net:8181/23713 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Reviewed-by: Matthew Weigel <Matthew.Weigel@freescale.com>
2014-12-11drivers:usb:pm: Fix pm defect in rcpm driver for usb ipRamneek Mehresh
Pass device-tree usb node offset to each usb device structure. This is required by rcpm driver to get mask setting for ip exception register to make/remove usb as wake-up source for sleep/deep-sleep Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Change-Id: I4e6b0f931fb29a6311b36a97255d994c2ce0ad05 Reviewed-on: http://git.am.freescale.net:8181/22478 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Nikhil Badola <nikhil.badola@freescale.com> Reviewed-by: Matthew Weigel <Matthew.Weigel@freescale.com>
2014-12-11drivers: usb: fsl: Define usb control register mask for w1c bitsNikhil Badola
Define and use CONTROL_REGISTER_W1C_MASK to make sure that w1c bits of usb control register do not get reset while writing any other bit Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Change-Id: Ie56814b6f6c4d05fbf862619330d2e505438e1c7 Reviewed-on: http://git.am.freescale.net:8181/22464 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Matthew Weigel <Matthew.Weigel@freescale.com>
2014-12-11drivers: usb: fsl: Change string format for errata propertyNikhil Badola
Change string format for errata property in USB node that is checked in device tree for applicablilty of corresponding erratum Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Change-Id: Ic07fa5b5a8ce93ac3845332f23b3b71338956266 Reviewed-on: http://git.am.freescale.net:8181/22463 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Reviewed-by: Matthew Weigel <Matthew.Weigel@freescale.com>
2014-12-11drivers/usb : Remove compilation error for usb EHCI gadgetNikhil Badola
Remove compilation errors from USB EHCI gadget driver Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Change-Id: Ie0ad80495ab16fe8537e544113dde806c790ff05 Reviewed-on: http://git.am.freescale.net:8181/21819 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Reviewed-by: Zhengxiong Jin <Jason.Jin@freescale.com>
2014-12-11drivers/usb : Port USB EHCI Gadget driver for LS102XANikhil Badola
Change raw read/write accessors to ioread/writebe32 for big endian registers Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Change-Id: I75e181fc235f40aba7aa0d9db8f18c0783b04f82 Reviewed-on: http://git.am.freescale.net:8181/21818 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Reviewed-by: Zhengxiong Jin <Jason.Jin@freescale.com>
2014-12-11drivers: usb: fsl: Set USB_EN bit to select ULPI phyNikhil Badola
Set USB_EN bit to select ULPI phy for USB controller version 2.5 Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Change-Id: I22fd6921d264d64f59d795d81f82ea89214862d9 Reviewed-on: http://git.am.freescale.net:8181/21817 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Reviewed-by: Zhengxiong Jin <Jason.Jin@freescale.com>
2014-12-11drivers/usb : Set DMA_MASK of usb platform deviceNikhil Badola
Set DMA_MASK of usb platform device Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Signed-off-by: Suresh Gupta <suresh.gupta@freescale.com> Change-Id: I7d6387f3b95b6ec7c1999e14801dc4cfec7b016d Reviewed-on: http://git.am.freescale.net:8181/21816 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Zhengxiong Jin <Jason.Jin@freescale.com>
2014-12-11drivers/usb : Port USB EHCI host driver for LS102xANikhil Badola
Change Power architecture specific APIs such as in_be32/out_be32 for registers read/write. Instead using ioread/writebe32 which are defined for power as well as arm architecture Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Change-Id: Ic5ecf4cb048dc4a6bae81bc0789b9bdb7d5c6ded Reviewed-on: http://git.am.freescale.net:8181/21815 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Reviewed-by: Zhengxiong Jin <Jason.Jin@freescale.com>
2014-12-11drivers: usb: fsl: Remove compilation error from usb driverNikhil Badola
Remove compilation error from USB driver while compiling for architectures other than PPC Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Change-Id: Icc9d648f08ec5affb7b58374faef2c6e3b539182 Reviewed-on: http://git.am.freescale.net:8181/21814 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Reviewed-by: Zhengxiong Jin <Jason.Jin@freescale.com>
2014-12-11drivers: usb :fsl: Remove USB Errata checking codeNikhil Badola
Remove USB errata checking code from driver. Applicability of erratum is retreived by reading corresponding property in device tree. This property is written during device tree fixup. Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Change-Id: I78a8b51a4b647d43f942666800bae4d515b15e70 Reviewed-on: http://git.am.freescale.net:8181/21813 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Zhengxiong Jin <Jason.Jin@freescale.com>
2014-12-11qe: move qe from arch/powerpc/sysdev/ to drivers/soc/Zhao Qiang
ls1 has qe ip block too, so move qe code from platform directory to public directory. Signed-off-by: Zhao Qiang <B45475@freescale.com> --- patch on upstream can be found with this link: http://patchwork.ozlabs.org/patch/385724/, it is under discussion Change-Id: I39aed531a4792990e3bb8ecc6f4e57f8d9b41bae Reviewed-on: http://git.am.freescale.net:8181/15818 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Xiaobo Xie <X.Xie@freescale.com> Reviewed-by: Zhengxiong Jin <Jason.Jin@freescale.com>
2014-05-21drivers/usb : Add affected configs for Erratum A005697 workaroundNikhil Badola
Add following affected SOCs and their variants P1010 rev2.0 B4860 rev1.0 rev2.0 rev2.1 rev2.2 T2080 rev1.0 T2081 rev1.0 Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Change-Id: I954877e5b878abf63667b0215aa41a8a3a93eddf Reviewed-on: http://git.am.freescale.net:8181/12743 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Reviewed-by: Jose Rivera <German.Rivera@freescale.com>
2014-05-14a few open coded completionsSebastian Andrzej Siewior
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
2014-05-14USB: Fix the mouse problem when copying large amounts of dataWu Zhangjin
When copying large amounts of data between the USB storage devices and the hard disk, the USB mouse will not work, this patch fixes it. [NOTE: This problem have been found in the Loongson family machines, not sure whether it is producible on other platforms] Signed-off-by: Hu Hongbing <huhb@lemote.com> Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
2014-05-14usb: use _nort in givebackSebastian Andrzej Siewior
Since commit 94dfd7ed ("USB: HCD: support giveback of URB in tasklet context") I see |BUG: sleeping function called from invalid context at kernel/rtmutex.c:673 |in_atomic(): 0, irqs_disabled(): 1, pid: 109, name: irq/11-uhci_hcd |no locks held by irq/11-uhci_hcd/109. |irq event stamp: 440 |hardirqs last enabled at (439): [<ffffffff816a7555>] _raw_spin_unlock_irqrestore+0x75/0x90 |hardirqs last disabled at (440): [<ffffffff81514906>] __usb_hcd_giveback_urb+0x46/0xc0 |softirqs last enabled at (0): [<ffffffff81081821>] copy_process.part.52+0x511/0x1510 |softirqs last disabled at (0): [< (null)>] (null) |CPU: 3 PID: 109 Comm: irq/11-uhci_hcd Not tainted 3.12.0-rt0-rc1+ #13 |Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 | 0000000000000000 ffff8800db9ffbe0 ffffffff8169f064 0000000000000000 | ffff8800db9ffbf8 ffffffff810b2122 ffff88020f03e888 ffff8800db9ffc18 | ffffffff816a6944 ffffffff810b5748 ffff88020f03c000 ffff8800db9ffc50 |Call Trace: | [<ffffffff8169f064>] dump_stack+0x4e/0x8f | [<ffffffff810b2122>] __might_sleep+0x112/0x190 | [<ffffffff816a6944>] rt_spin_lock+0x24/0x60 | [<ffffffff8158435b>] hid_ctrl+0x3b/0x190 | [<ffffffff8151490f>] __usb_hcd_giveback_urb+0x4f/0xc0 | [<ffffffff81514aaf>] usb_hcd_giveback_urb+0x3f/0x140 | [<ffffffff815346af>] uhci_giveback_urb+0xaf/0x280 | [<ffffffff8153666a>] uhci_scan_schedule+0x47a/0xb10 | [<ffffffff81537336>] uhci_irq+0xa6/0x1a0 | [<ffffffff81513c48>] usb_hcd_irq+0x28/0x40 | [<ffffffff810c8ba3>] irq_forced_thread_fn+0x23/0x70 | [<ffffffff810c918f>] irq_thread+0x10f/0x150 | [<ffffffff810a6fad>] kthread+0xcd/0xe0 | [<ffffffff816a842c>] ret_from_fork+0x7c/0xb0 on -RT we run threaded so no need to disable interrupts. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
2014-05-14usb: Use local_irq_*_nort() variantsSteven Rostedt
[ tglx: Now that irqf_disabled is dead we should kill that ] Signed-off-by: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2014-05-14Reset to 3.12.19Scott Wood
2014-05-14Merge remote-tracking branch 'stable/linux-3.12.y' into sdk-v1.6.xScott Wood
Signed-off-by: Scott Wood <scottwood@freescale.com> Conflicts: arch/sparc/Kconfig drivers/tty/tty_buffer.c
2014-05-05tty: Fix low_latency BUGPeter Hurley
commit a9c3f68f3cd8d55f809fbdb0c138ed061ea1bd25 upstream. The user-settable knob, low_latency, has been the source of several BUG reports which stem from flush_to_ldisc() running in interrupt context. Since 3.12, which added several sleeping locks (termios_rwsem and buf->lock) to the input processing path, the frequency of these BUG reports has increased. Note that changes in 3.12 did not introduce this regression; sleeping locks were first added to the input processing path with the removal of the BKL from N_TTY in commit a88a69c91256418c5907c2f1f8a0ec0a36f9e6cc, 'n_tty: Fix loss of echoed characters and remove bkl from n_tty' and later in commit 38db89799bdf11625a831c5af33938dcb11908b6, 'tty: throttling race fix'. Since those changes, executing flush_to_ldisc() in interrupt_context (ie, low_latency set), is unsafe. However, since most devices do not validate if the low_latency setting is appropriate for the context (process or interrupt) in which they receive data, some reports are due to misconfiguration. Further, serial dma devices for which dma fails, resort to interrupt receiving as a backup without resetting low_latency. Historically, low_latency was used to force wake-up the reading process rather than wait for the next scheduler tick. The effect was to trim multiple milliseconds of latency from when the process would receive new data. Recent tests [1] have shown that the reading process now receives data with only 10's of microseconds latency without low_latency set. Remove the low_latency rx steering from tty_flip_buffer_push(); however, leave the knob as an optional hint to drivers that can tune their rx fifos and such like. Cleanup stale code comments regarding low_latency. [1] https://lkml.org/lkml/2014/2/20/434 "Yay.. thats an annoying historical pain in the butt gone." -- Alan Cox Reported-by: Beat Bolli <bbolli@ewanet.ch> Reported-by: Pavel Roskin <proski@gnu.org> Acked-by: David Sterba <dsterba@suse.cz> Cc: Grant Edwards <grant.b.edwards@gmail.com> Cc: Stanislaw Gruszka <sgruszka@redhat.com> Cc: Hal Murray <murray+fedora@ip-64-139-1-69.sjc.megapath.net> Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-05-05usbatm: Fix dynamic_debug / ratelimited atm_dbg and atm_rldbg macrosJoe Perches
commit 32e24930fb71c47a1366325b6f139e039cacaca4 upstream. Fix atm_dbg to use normal pr_debug not dynamic_pr_debug because dynamic_pr_debug may not be compiled in at all. Signed-off-by: Joe Perches <joe@perches.com> Tested-by: Krzysztof Mazur <krzysiek@podlesie.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
2014-04-18Merge branch 'master-tmp' into sdk-v1.6.xScott Wood
master-tmp is the master branch as of 8b60f5ea90c49344692a70f62cd4aa349de38b48 with the following commits reverted due to excessive conflicts: commit b35a69559c46e066e6f24bb02d5a6090483786e3 Author: Scott Wood <scottwood@freescale.com> Date: Fri Apr 18 15:27:52 2014 -0500 Revert "net: add sysfs helpers for netdev_adjacent logic" This reverts commit 0be682ca768d671c91cfd1379759efcb3b29102a. commit 1c0dc06e47e11bf758f3e84ea90c2178a31dbf0f Author: Scott Wood <scottwood@freescale.com> Date: Fri Apr 18 15:27:47 2014 -0500 Revert "net: rename sysfs symlinks on device name change" This reverts commit 45ce45c69750b93b8262aa66792185bd49150293. Conflicts: drivers/iommu/fsl_pamu.c drivers/net/bonding/bond_3ad.c drivers/net/bonding/bond_sysfs.c drivers/net/bonding/bonding.h drivers/net/ethernet/freescale/gianfar.c Signed-off-by: Scott Wood <scottwood@freescale.com> Conflicts: drivers/iommu/fsl_pamu.c drivers/net/bonding/bond_3ad.c drivers/net/bonding/bond_sysfs.c drivers/net/bonding/bonding.h drivers/net/ethernet/freescale/gianfar.c
2014-04-18USB : Gadget : fsl: Fix the fault issue on rmmodSuresh Gupta
completion in udc_controller->done should be assign with proper value before complete called. The complete called in fsl_udc_release which intern called from usb_del_gadget_udc, so moving assignment before calling usb_del_gadget_udc Signed-off-by: Suresh Gupta <suresh.gupta@freescale.com> Change-Id: I40867db4c11464d7d47e1fd55ed852b38c7d0e47 Reviewed-on: http://git.am.freescale.net:8181/10911 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Nikhil Badola <nikhil.badola@freescale.com> Reviewed-by: Jose Rivera <German.Rivera@freescale.com>
2014-04-18fsl/usb: Add Deep Sleep support for USB drvNikhil Badola
Saves and Restores USB register context when the system goes to deep sleep and resumes from it. This is required only when USB controller and phys are OFF during Deep Sleep Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com> Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com> Change-Id: I5af0b680a9c3b4dd014c8266f5e8b00ca56264df Reviewed-on: http://git.am.freescale.net:8181/10994 Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com> Reviewed-by: Varun Sethi <Varun.Sethi@freescale.com> Reviewed-by: Prabhakar Kushwaha <prabhakar@freescale.com> Reviewed-by: Jose Rivera <German.Rivera@freescale.com>
2014-04-10Merge branch 'rtmerge' into sdk-v1.6.xScott Wood
This merges 3.12.15-rt25. Signed-off-by: Scott Wood <scottwood@freescale.com> Conflicts: drivers/misc/Makefile drivers/net/ethernet/freescale/gianfar.c drivers/net/ethernet/freescale/gianfar_ethtool.c drivers/net/ethernet/freescale/gianfar_sysfs.c
2014-04-10a few open coded completionsSebastian Andrzej Siewior
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
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