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2015-12-01usb: chipidea: msm: Use posted data writes on AHBAndy Gross1-1/+2
This patch sets the AHBMODE to allow for posted data writes. This results in higher performance. Signed-off-by: Andy Gross <agross@codeaurora.org> Acked-by: Peter Chen <peter.chen@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-01USB: usbmon: Use 64bit timestamp for mon_bin_hdrTina Ruchandani1-8/+9
struct mon_bin_hdr allows for a 64-bit seconds timestamp. The code currently uses 'struct timeval' to populate the timestamp in mon_bin_hdr, which has a 32-bit seconds field and will overflow in year 2038 and beyond. This patch replaces 'struct timeval' with 'struct timespec64' which is y2038 safe. This patch is part of a larger attempt to remove instances of struct timeval and other 32-bit timekeeping (time_t, struct timespec) from the kernel. Signed-off-by: Tina Ruchandani <ruchandani.tina@gmail.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-01usb: misc: usbtest: Remove timeval usageDeepa Dinamani1-82/+147
timeval is deprecated and not y2038 safe. Its size also changes according to 32 bit/ 64 bit compilation. Replace it with 32 and 64 bit versions of its individual fields, giving two ioctls with different code values. The two ioctls are necessary to maintain the 32 bit and 64 bit userspace compatibility with a 64/32 bit kernel. Change unsigned to __u32 types for a definitive userspace interface. This is in accordance with the psABI that the unsigned type is always 32 bits. Also use motonic timer instead of real time to ensure positive delta values. Refactor usbtest_ioctl for readability to isolate the handling of the testing timing measurement. The official testusb userspace tool can be changed in a separate patch to reflect the __u32 changes as well. It can use the usbtest_param_32 struct, since 32 bit seconds is long enough for test durations. Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-01USB: usbmon: Remove timeval usage for timestampTina Ruchandani1-4/+5
struct timeval' uses 32-bits for its seconds field and will overflow in the year 2038 and beyond. This patch replaces the usage of 'struct timeval' in mon_get_timestamp() with timespec64 which uses a 64-bit seconds field and is y2038-safe. mon_get_timestamp() truncates the timestamp at 4096 seconds, so the correctness of the code is not affected. This patch is part of a larger attempt to remove instances of struct timeval and other 32-bit timekeeping (time_t, struct timespec) from the kernel. Signed-off-by: Tina Ruchandani <ruchandani.tina@gmail.com> Suggested-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-01USB: bcma: switch to GPIO descriptor for power controlRafał Miłecki1-11/+10
So far we were using simple (legacy) GPIO functions & some poor logic to control power. It got many drawbacks: we were ignoring OF flags (GPIO_ACTIVE_LOW), we were not setting direction to output and we were assuming gpio_request success all the time. Fix it by switching to gpiod functions and adding appropriate checks. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Acked-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-01USB: constify usb_mon_operations structureJulia Lawall3-5/+5
The usb_mon_operations structure is never modified, so declare it as const. Done with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-01usb: misc: usbtest: improve the description for error messagePeter Chen1-2/+2
Now the function of complicated_callback is not only used for iso transfer, improve the error message to reflect it. Signed-off-by: Peter Chen <peter.chen@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-01usb: host: ohci-pxa27x: use of_property_read_bool()Saurabh Sengar1-7/+7
for checking if a property is present or not, of_property_read_bool is more appropriate than of_get_property() Signed-off-by: Saurabh Sengar <saurabh.truth@gmail.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-01uas: no gfp argument to uas_submit_urbs()Oliver Neukum1-12/+12
This function must be called with a spinlock held. Memory can be allocated only with GFP_ATOMIC. Passing a gfp_t argument is a waste. Signed-off-by: Oliver Neukum <oneukum@suse.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-01uas: use the BIT() macroOliver Neukum1-12/+12
Use this macro to make the driver more readable. Signed-off-by: Oliver Neukum <oneukum@suse.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-01USB-EHCI: Delete unnecessary checks before the function call "dma_pool_destroy"Markus Elfring1-13/+5
The dma_pool_destroy() function tests whether its argument is NULL and then returns immediately. Thus the test around the calls is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-01usb : replace dma_pool_alloc and memset with dma_pool_zallocSaurabh Sengar5-12/+6
replace dma_pool_alloc and memset with a single call to dma_pool_zalloc Signed-off-by: Saurabh Sengar <saurabh.truth@gmail.com> Acked-by: Peter Chen <peter.chen@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-01uwb: uwbd() is not freezable kthreadJiri Kosina1-1/+0
uwbd() calls try_to_freeze(), but the thread doesn't mark itself freezable through set_freezable(), so the try_to_freeze() call is useless. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-01xhci: rework xhci extended capability list parsing functionsMathias Nyman3-117/+64
Replace the existing two extended capability parsing helper functions with one called xhci_find_next_ext_cap(). The extended capabilities are read both in pci-quirks before xhci driver is loaded, and inside the xhci driver when adding ports. The existing helpers did not suit well for these cases and a lot of custom parsing code was needed. The new helper function simplifies these two cases a lot. The motivation for this rework was that code to support xhci debug capability needed to parse extended capabilities, and it included yet another capability parsing helper specific for its needs. With this solution it debug capability code can use this new helper as well Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-01xhci: use debug level when printing out interval rounding messagesMathias Nyman1-1/+1
Don't use dev_warn() for intened behaviour, use dev_dbg() Rounding down the interval to the nearest power of 2 is required by xhci specs. Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-01arm64: dts: mediatek: add xHCI & usb phy for mt8173Chunfeng Yun2-0/+58
add xHCI and phy drivers for MT8173-EVB Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-12-01xhci: mediatek: support MTK xHCI host controllerChunfeng Yun8-6/+1383
There some vendor quirks for MTK xhci host controller: 1. It defines some extra SW scheduling parameters for HW to minimize the scheduling effort for synchronous and interrupt endpoints. The parameters are put into reseved DWs of slot context and endpoint context. 2. Its IMODI unit for Interrupter Moderation register is 8 times as much as that defined in xHCI spec. 3. Its TDS in Normal TRB defines a number of packets that remains to be transferred for a TD after processing all Max packets in all previous TRBs. Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Tested-by: Daniel Thompson <daniel.thompson@linaro.org> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>