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2014-07-09fotg210: Use managed interfaces for allocation of resourcesHimangi Saraogi1-39/+9
This patch intoduces the use of devm_ioremap_resource instead of request_mem_region and ioremap_nocache and removes the calls to free the allocated memory. Some labels are removes and a new label failed introduced to make it less specific to the context. The call to a platform get resource with IORESOURCE_IO is removed as it allocates memory that is not needed. Signed-off-by: Himangi Saraogi <[email protected]> Acked-by: Julia Lawall <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09uhci-platform: use devm_ioremap resourceHimangi Saraogi1-17/+5
This patch replaces the memory allocation using request_mem_region and the ioremap by a single call to managed interface devm_ioremap_reource. The corresponding calls to release_mem_region and iounmap in the probe and release functions are now unnecessary and are removed. Also a label is done away with and linux/device.h is added to make sure the devm_*() outine declarations are unambiguously available. Signed-off-by: Himangi Saraogi <[email protected]> Acked-by: Julia Lawall <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09USB: ftdi_sio: Add extra PID.Bert Vermeulen2-2/+4
This patch adds PID 0x0003 to the VID 0x128d (Testo). At least the Testo 435-4 uses this, likely other gear as well. Signed-off-by: Bert Vermeulen <[email protected]> Cc: Johan Hovold <[email protected]> Cc: stable <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09USB: PHY: tegra: Call tegra_usb_phy_close only on device removalTuomas Tynkkynen1-5/+3
tegra_usb_phy_close() is supposed to undo the effects of tegra_usb_phy_init(). It is also currently added as the USB PHY shutdown callback, which is wrong, since tegra_usb_phy_init() is only called during probing wheras the shutdown callback can get called multiple times. This then leads to warnings about unbalanced regulator_disable if the EHCI driver is unbound and bound again at runtime. Signed-off-by: Tuomas Tynkkynen <[email protected]> Acked-by: Mark Rutland <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09USB: EHCI: tegra: Fix probe order issue leading to broken USBTuomas Tynkkynen1-3/+59
The Tegra USB complex has a particularly annoying misdesign: some of the UTMI pad configuration registers are global for all the 3 USB controllers on the chip, but those registers are located in the first controller's register space and will be cleared when the reset to the first controller is asserted. Currently, this means that if the 1st controller were to finish probing after the 2nd or 3rd controller, USB would not work at all. Fix this situation by always resetting the 1st controller before doing any other setup to any of the controllers, and then never ever reset the first controller again. As the UTMI registers are related to the PHY, the PHY driver should probably reset the Tegra controllers instead, but since old device trees only have reset phandles in the EHCI nodes, do it here, which means a bit of device tree groveling. Those old DTs also won't get the reset fix from this commit, so we'll dev_warn() them, but the driver will still keep probing successfully. Signed-off-by: Tuomas Tynkkynen <[email protected]> Acked-by: Alan Stern <[email protected]> Acked-by: Mark Rutland <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09ARM: tegra: Add resets & has-utmi-pad-registers flag to all USB PHYsTuomas Tynkkynen4-0/+26
Add new properties to all of the Tegra PHYs that are now required according to the binding. In order to stay compatible with old device trees, the USB drivers will still function without these reset properties but with the old, potentially buggy behaviour. Signed-off-by: Tuomas Tynkkynen <[email protected]> Acked-by: Mark Rutland <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09USB: tegra: Add resets & has-utmi-pad-registers flag to the PHY bindingTuomas Tynkkynen1-0/+8
When Tegra was converted to use the standard reset bindings, the PHY was forgotten, probably because all the resetting of the USB blocks were done in the EHCI driver. What also went unnoticed is that resetting the 1st on-chip USB module also wipes some of the UTMI pad configuration registers that are also used by the other USB blocks. So this fact needs to be described in the device tree, and the driver modified not to reset the 1st module at inappropriate times. In order to stay compatible with old device trees, the USB drivers will still function without these properties but with the old, potentially buggy behaviour. Signed-off-by: Tuomas Tynkkynen <[email protected]> Acked-by: Mark Rutland <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09drivers/usb/serial/mos7840.c: remove unnecessary null test before kfreeFabian Frederick1-4/+1
Cc: Johan Hovold <[email protected]> Signed-off-by: Fabian Frederick <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09usb: host: uhci-grlib.c : use devm_ functionsHimangi Saraogi1-22/+9
The various devm_ functions allocate memory that is released when a driver detaches. This patch uses devm_ioremap_resource for data that is allocated in the probe function of a platform device and is only freed in the remove function. The corresponding free functions are removed and two labels are done away with. Also, linux/device.h is added to make sure the devm_*() routine declarations are unambiguously available. Signed-off-by: Himangi Saraogi <[email protected]> Acked-by: Andreas Larsson <[email protected]> Acked-by: Alan Stern <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09USB: EHCI: tegra: Fix use-after-free in .remove()Tuomas Tynkkynen1-1/+2
The tegra_ehci_hcd structure is located in the private space allocated by the core USB code so it must not be accessed after the HCD is freed. Signed-off-by: Tuomas Tynkkynen <[email protected]> Acked-by: Alan Stern <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09Merge tag 'pci-v3.16-fixes-1' of ↵Linus Torvalds2-3/+8
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI fixes from Bjorn Helgaas: "Just a fix for the device reset path and an email address update. Virtualization - Fix "wait for pending transactions" for PCI AF reset (Alex Williamson) Miscellaneous - Update mx6 PCI driver maintainer email (Fabio Estevam)" * tag 'pci-v3.16-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: MAINTAINERS: Update mx6 PCI driver maintainer's email PCI: Fix unaligned access in AF transaction pending test
2014-07-09USB: ehci-pci: USB host controller support for Intel Quark X1000Bryan O'Donoghue1-0/+25
The EHCI packet buffer in/out threshold is programmable for Intel Quark X1000 USB host controller, and the default value is 0x20 dwords. The in/out threshold can be programmed to 0x80 dwords (512 Bytes) to maximize the perfomrance, but only when isochronous/interrupt transactions are not initiated by the USB host controller. This patch is to reconfigure the packet buffer in/out threshold as maximal as possible to maximize the performance, and 0x7F dwords (508 Bytes) should be used because the USB host controller initiates isochronous/interrupt transactions. Signed-off-by: Bryan O'Donoghue <[email protected]> Signed-off-by: Alvin (Weike) Chen <[email protected]> Acked-by: Alan Stern <[email protected]> Reviewed-by: Jingoo Han <[email protected]> Cc: stable <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09USB: OHCI: don't allocate HCCA atomicallyVladimir Zapolskiy1-1/+1
OHCI HCCA memory region is allocated from atomic DMA pool one time during usb_add_hcd() and deallocated by usb_remove_hcd(). Do non-atomic allocation of OHCI HCCA and free some space in coherent atomic DMA pool. Signed-off-by: Vladimir Zapolskiy <[email protected]> Acked-by: Alan Stern <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09USB: UHCI: don't allocate frame list atomicallyVladimir Zapolskiy1-1/+1
uhci_start() is executed one time during usb_add_hcd() call and by default UHCI frame list is allocated from atomic DMA pool. Do non-atomic allocation of uhci->frame and free some space in coherent atomic DMA pool. Signed-off-by: Vladimir Zapolskiy <[email protected]> Acked-by: Alan Stern <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09USB: EHCI: don't allocate hardware periodic table atomically by defaultVladimir Zapolskiy1-1/+1
ehci_mem_init() is executed one time during ehci_init() and by default all memory allocations but ehci->periodic are done not atomically, GFP_KERNEL is passed as flags parameter. Do similar allocation for ehci->periodic and free some space in coherent atomic DMA pool by default. Signed-off-by: Vladimir Zapolskiy <[email protected]> Acked-by: Alan Stern <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09drivers/usb/host/fhci-dbg.c: remove unnecessary null test before debugfs_removeFabian Frederick1-6/+2
This fixes checkpatch warning: "WARNING: debugfs_remove(NULL) is safe this check is probably not required" Signed-off-by: Fabian Frederick <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09USB: ehci-spear: Make of_device_id array constJingoo Han1-1/+1
Make of_device_id array const, because all OF functions handle it as const. Signed-off-by: Jingoo Han <[email protected]> Acked-by: Viresh Kumar <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09USB: ehci-tegra: Make of_device_id array constJingoo Han1-1/+1
Make of_device_id array const, because all OF functions handle it as const. Signed-off-by: Jingoo Han <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09USB: ohci-spear: Make of_device_id array constJingoo Han1-1/+1
Make of_device_id array const, because all OF functions handle it as const. Signed-off-by: Jingoo Han <[email protected]> Acked-by: Viresh Kumar <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09USB: ehci-msm: Make of_device_id array constJingoo Han1-1/+1
Make of_device_id array const, because all OF functions handle it as const. Signed-off-by: Jingoo Han <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09USB: oxu210hp-hcd.c: use devm_ functionsHimangi Saraogi1-39/+9
This patch introduces the use of devm_ioremap_resource instead of request_mem_region and ioremap. The error handling on platform_get_resource and the error message for ioremap are removed. The function devm_kzalloc replaces memory allocation by unmanaged kzalloc. The function calls to free the allocated memory in the probe and remove functions are done away with. Some labels are removed and a label error is added to make is less specific to the context. The debug message is removed as devm_ioremap generates debug messages of its own. Signed-off-by: Himangi Saraogi <[email protected]> Acked-by: Julia Lawall <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09usb: phy: tegra: Do not include asm/mach-types.hThierry Reding1-1/+0
It is no longer needed and keeping it will break 64-bit ARM builds. Signed-off-by: Thierry Reding <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09Documentation: sysfs-bus-usb: update power/persist descriptionPaul Bolle1-7/+7
There's no power/persist file for hubs. And CONFIG_USB_PERSIST was removed in v2.6.26. Update the description of power/persist accordingly. Also remove the line on its default value. It is not entirely correct, as CONFIG_USB_DEFAULT_PERSIST and the USB_QUIRK_RESET flag influence the default. It is not needed to understand this file anyhow. Signed-off-by: Paul Bolle <[email protected]> Acked-by: Alan Stern <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09usb: host: max3421-hcd: unconditionally use GFP_ATOMIC in max3421_urb_enqueue()Alexey Khoroshilov1-1/+1
As far as kzalloc() is called with spinlock held, we have to pass GFP_ATOMIC regardless of mem_flags argument. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <[email protected]> Acked-by: David Mosberger <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09usb: host: max3421-hcd: Fix max3421_reset_port() to set USB_PORT_STAT_RESETDavid Mosberger-Tang1-0/+1
Signed-off-by: David Mosberger <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09usb: host: max3421-hcd: Use atomic bitops in lieu of bit fieldsDavid Mosberger-Tang1-25/+20
Bit fields are not MP-safe. Signed-off-by: David Mosberger <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09USB: gadget: Fixed a few typos in commentsMickael Maison1-2/+2
Signed-off-by: Mickael Maison <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09usb: doc: hotplug.txt code typosJeremiah Mahler1-4/+4
Fixed several typos in the code examples given in Documentation/usb/hotplug.txt. - missing [] with array of struct usb_device_id - checkpatch.pl warning: space between function name and parenthesis - missing terminating ';' Signed-off-by: Jeremiah Mahler <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09usb: ehci-exynos: Use NULL instead of 0Sachin Kamat1-1/+1
The third argument of devm_of_phy_get expects a pointer. Hence use NULL instead of 0. Fixes the following warning: drivers/usb/host/ehci-exynos.c:91:51: warning: Using plain integer as NULL pointer Signed-off-by: Sachin Kamat <[email protected]> Acked-by: Jingoo Han <[email protected]> Reviewed-by: Vivek Gautam <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09usb: ohci-exynos: Use NULL instead of 0Sachin Kamat1-1/+1
The third argument of devm_of_phy_get expects a pointer. Hence use NULL instead of 0. Signed-off-by: Sachin Kamat <[email protected]> Acked-by: Jingoo Han <[email protected]> Reviewed-by: Vivek Gautam <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09usb: class: usbtmc.c: Cleaning up uninitialized variablesRickard Strandqvist1-1/+1
There is a risk that the variable will be used without being initialized. This was largely found by using a static code analysis program called cppcheck. Signed-off-by: Rickard Strandqvist <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09usb: dwc2: gadget: remove incorrect file referenceJingoo Han1-2/+0
The file and folder movements resulted in the incorrect reference. So for better code maintainability, let's remove it. Signed-off-by: Jingoo Han <[email protected]> Acked-by: Paul Zimmerman <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09usb: dwc2: gadget: remove unnecessary OOM messagesJingoo Han1-4/+1
The site-specific OOM messages are unnecessary, because they duplicate the MM subsystem generic OOM message. Signed-off-by: Jingoo Han <[email protected]> Acked-by: Paul Zimmerman <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09usb: dwc2: gadget: fix checkpatch errorsJingoo Han1-2/+3
Fix checkpatch errors as belows. ERROR: open brace '{' following function declarations go on the next line ERROR: space required before the open parenthesis '(' Signed-off-by: Jingoo Han <[email protected]> Acked-by: Paul Zimmerman <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09usb: host: xhci-plat: add support for the R-Car H2 and M2 xHCI controllersYoshihiro Shimoda5-0/+205
The R-Car H2 and M2 SoCs come with an xHCI controller that requires some specific initializations related to the firmware downloading and some specific registers. This patch adds the support for this special configuration as an xHCI quirk executed during probe and start. Signed-off-by: Yoshihiro Shimoda <[email protected]> Cc: "[email protected]" <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09usb: host: xhci-plat: use devm_functionsHimangi Saraogi1-20/+4
This patch introduces the use of managed interface devm_ioremap_resource for ioremap_nocache and request_mem_region and removes the corresponding free functions in the probe and remove functions. Signed-off-by: Himangi Saraogi <[email protected]> Acked-by: Julia Lawall <[email protected]> Reviewed-by: Felipe Balbi <[email protected]> Acked-by: Felipe Balbi <[email protected]> Cc: Mathias Nyman <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09xhci: make error messages grepableOliver Neukum1-18/+18
grep must work, not matter the line length. Signed-off-by: Oliver Neukum <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09USB: kl5kusb105: Remove klsi_105_tiocmset functionPeter Senna Tschudin1-30/+0
This patch remove the function klsi_105_tiocmset which was only returning -EINVAL. It also removes the function prototype and the .tiocmset entry in the struct usb_serial_driver. Verified by compilation only. Signed-off-by: Peter Senna Tschudin <[email protected]> Signed-off-by: Johan Hovold <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09usb: documentation for usb port power off mechanismsLan Tianyu1-2/+243
describe the mechanisms for controlling port power policy and discovering the port power state. [oliver]: fixes, clarification of wakeup vs port-power-control [sarah]: wordsmithing [djbw]: updates for peer port changes [alan]: review and fixes Cc: Oliver Neukum <[email protected]> Signed-off-by: Lan Tianyu <[email protected]> Signed-off-by: Dan Williams <[email protected]> Acked-by: Alan Stern <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09usb: force warm reset to break link re-connect livelockDan Williams3-20/+39
Resuming a powered down port sometimes results in the port state being stuck in the training sequence. hub 3-0:1.0: debounce: port 1: total 2000ms stable 0ms status 0x2e0 port1: can't get reconnection after setting port power on, status -110 hub 3-0:1.0: port 1 status 0000.02e0 after resume, -19 usb 3-1: can't resume, status -19 hub 3-0:1.0: logical disconnect on port 1 In the case above we wait for the port re-connect timeout of 2 seconds and observe that the port status is USB_SS_PORT_LS_POLLING (although it is likely toggling between this state and USB_SS_PORT_LS_RX_DETECT). This is indicative of a case where the device is failing to progress the link training state machine. It is resolved by issuing a warm reset to get the hub and device link state machines back in sync. hub 3-0:1.0: debounce: port 1: total 2000ms stable 0ms status 0x2e0 usb usb3: port1 usb_port_runtime_resume requires warm reset hub 3-0:1.0: port 1 not warm reset yet, waiting 50ms usb 3-1: reset SuperSpeed USB device number 2 using xhci_hcd After a reconnect timeout when we expect the device to be present, force a warm reset of the device. Note that we can not simply look at the link status to determine if a warm reset is required as any of the training states USB_SS_PORT_LS_POLLING, USB_SS_PORT_LS_RX_DETECT, or USB_SS_PORT_LS_COMP_MOD are valid states that do not indicate the need for warm reset by themselves. Cc: Alan Stern <[email protected]> Cc: Kukjin Kim <[email protected]> Cc: Vincent Palatin <[email protected]> Cc: Lan Tianyu <[email protected]> Cc: Ksenia Ragiadakou <[email protected]> Cc: Vivek Gautam <[email protected]> Cc: Douglas Anderson <[email protected]> Cc: Felipe Balbi <[email protected]> Cc: Sunil Joshi <[email protected]> Cc: Hans de Goede <[email protected]> Acked-by: Julius Werner <[email protected]> Signed-off-by: Dan Williams <[email protected]> Acked-by: Alan Stern <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09usb: allow lpm (en/dis)able only if device is atleast in default statePratyush Anand1-2/+4
When a USB device is disconnected, usb_unbind_interface is called, which tries to enable and disable LPM. usb_enable_lpm also try to send a control command SET SEL to the device. Since device is already disconnected, therefore it does not make sense to execute usb_(en/dis)able_lpm. This patch returns from usb_(en/dis)able_lpm, if device was not in default state atleast. Signed-off-by: Pratyush Anand <[email protected]> Tested-by: Aymen Bouattay <[email protected]> Signed-off-by: Mathias Nyman <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09dwc3: host: Enable USB3 LPM capabilityPratyush Anand2-0/+21
All dwc3 based xhci host controller supports USB3.0 LPM functionality. Therefore enable it in platform data for all dwc3 based xhci device if DWC3_HOST_USB3_LPM_ENABLE is selected in Kconfig. Signed-off-by: Pratyush Anand <[email protected]> Signed-off-by: Mathias Nyman <[email protected]> Signed-of-by: Felipe Balbi <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09xhci: Platform: Set xhci lpm support quirk based on platform dataPratyush Anand3-1/+35
If an xhci platform supports USB3 LPM capability then enable XHCI_LPM_SUPPORT quirk flag. Signed-off-by: Pratyush Anand <[email protected]> Signed-off-by: Mathias Nyman <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09xhci: Platform: Add (en/dis)able_usb3_lpm_timeoutPratyush Anand1-0/+3
To use auto U0-U1/U2 transition by xhci platform device add (en/dis)able_usb3_lpm_timeout function to the xhci_plat_xhci_driver struct. Signed-off-by: Pratyush Anand <[email protected]> Tested-by: Aymen Bouattay <[email protected]> Signed-off-by: Mathias Nyman <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09xhci: A default implementation for Ux timeout calculation and tier policy checkPratyush Anand1-18/+48
As best case, a host controller should support U0 to U1 switching for the devices connected below any tier of hub level supported by usb specification. Therefore xhci_check_tier_policy should always return success as default implementation. A host should be able to issue LGO_Ux after the timeout calculated as per definition of system exit latency defined in C.1.5.2. Therefore xhci_calculate_ux_timeout returns ux_params.sel as the default implementation. Use default calculation in absence of any vendor specific limitations. Signed-off-by: Pratyush Anand <[email protected]> Tested-by: Aymen Bouattay <[email protected]> Signed-off-by: Mathias Nyman <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09usb: misc: usb3503: Update error code in print messageTushar Behera1-1/+2
'err' is uninitialized, rather print the error code directly. This also fixes following warning. drivers/usb/misc/usb3503.c: In function ‘usb3503_probe’: drivers/usb/misc/usb3503.c:195:11: warning: ‘err’ may be used uninitialized in this function [-Wmaybe-uninitialized] dev_err(dev, "unable to request refclk (%d)\n", err); Signed-off-by: Tushar Behera <[email protected]> Acked-by: Marek Szyprowski <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09Drivers: hv: util: Fix a bug in the KVP codeK. Y. Srinivasan2-4/+15
Add code to poll the channel since we process only one message at a time and the host may not interrupt us. Also increase the receive buffer size since some KVP messages are close to 8K bytes in size. Signed-off-by: K. Y. Srinivasan <[email protected]> Cc: <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09Drivers: hv: vmbus: Fix a bug in the channel callback dispatch codeK. Y. Srinivasan1-2/+6
Starting with Win8, we have implemented several optimizations to improve the scalability and performance of the VMBUS transport between the Host and the Guest. Some of the non-performance critical services cannot leverage these optimization since they only read and process one message at a time. Make adjustments to the callback dispatch code to account for the way non-performance critical drivers handle reading of the channel. Signed-off-by: K. Y. Srinivasan <[email protected]> Cc: <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2014-07-09Merge tag 'usb-serial-3.16-rc5' of ↵Greg Kroah-Hartman2-0/+3
git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus Johan writes: USB-serial fixes for v3.16-rc5 Here are some USB-serial updates for v3.16-rc5 that add two new device IDs. Signed-off-by: Johan Hovold <[email protected]>
2014-07-09Merge tag 'f2fs-fixes-3.16' of ↵Linus Torvalds9-27/+41
git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs Pull f2fs bugfixes from Jaegeuk Kim: "This includes a couple of bug fixes found by xfstests. In addition, one critical bug was reported by Brian Chadwick, which is falling into the infinite loop in balance_dirty_pages. And it turned out due to the IO merging policy in f2fs, which was newly merged in 3.16. - fix normal and recovery path for fallocated regions - fix error case mishandling - recover renamed fsync inodes correctly - fix to get out of infinite loops in balance_dirty_pages - fix kernel NULL pointer error" * tag 'f2fs-fixes-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: f2fs: avoid to access NULL pointer in issue_flush_thread f2fs: check bdi->dirty_exceeded when trying to skip data writes f2fs: do checkpoint for the renamed inode f2fs: release new entry page correctly in error path of f2fs_rename f2fs: fix error path in init_inode_metadata f2fs: check lower bound nid value in check_nid_range f2fs: remove unused variables in f2fs_sm_info f2fs: fix not to allocate unnecessary blocks during fallocate f2fs: recover fallocated data and its i_size together f2fs: fix to report newly allocate region as extent
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