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Pull ARM SoC platform updates from Olof Johansson:
"SoC updates, mostly refactorings and cleanups of old legacy platforms.
Major themes this release:
- Conversion of ixp4xx to a modern platform (drivers, DT, bindings)
- Moving some of the ep93xx headers around to get it closer to
multiplatform enabled.
- Cleanups of Davinci
This also contains a few patches that were queued up as fixes before
5.1 but I didn't get sent in before release"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (123 commits)
ARM: debug-ll: add default address for digicolor
ARM: u300: regulator: add MODULE_LICENSE()
ARM: ep93xx: move private headers out of mach/*
ARM: ep93xx: move pinctrl interfaces into include/linux/soc
ARM: ep93xx: keypad: stop using mach/platform.h
ARM: ep93xx: move network platform data to separate header
ARM: stm32: add AMBA support for stm32 family
MAINTAINERS: update arch/arm/mach-davinci
ARM: rockchip: add missing of_node_put in rockchip_smp_prepare_pmu
ARM: dts: Add queue manager and NPE to the IXP4xx DTSI
soc: ixp4xx: qmgr: Add DT probe code
soc: ixp4xx: qmgr: Add DT bindings for IXP4xx qmgr
soc: ixp4xx: npe: Add DT probe code
soc: ixp4xx: Add DT bindings for IXP4xx NPE
soc: ixp4xx: qmgr: Pass resources
soc: ixp4xx: Remove unused functions
soc: ixp4xx: Uninline several functions
soc: ixp4xx: npe: Pass addresses as resources
ARM: ixp4xx: Turn the QMGR into a platform device
ARM: ixp4xx: Turn the NPE into a platform device
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY updates from Greg KH:
"Here is the big set of USB and PHY driver patches for 5.2-rc1
There is the usual set of:
- USB gadget updates
- PHY driver updates and additions
- USB serial driver updates and fixes
- typec updates and new chips supported
- mtu3 driver updates
- xhci driver updates
- other tiny driver updates
Nothing really interesting, just constant forward progress.
All of these have been in linux-next for a while with no reported
issues. The usb-gadget and usb-serial trees were merged a bit "late",
but both of them had been in linux-next before they got merged here
last Friday"
* tag 'usb-5.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (206 commits)
USB: serial: f81232: implement break control
USB: serial: f81232: add high baud rate support
USB: serial: f81232: clear overrun flag
USB: serial: f81232: fix interrupt worker not stop
usb: dwc3: Rename DWC3_DCTL_LPM_ERRATA
usb: dwc3: Fix default lpm_nyet_threshold value
usb: dwc3: debug: Print GET_STATUS(device) tracepoint
usb: dwc3: Do core validation early on probe
usb: dwc3: gadget: Set lpm_capable
usb: gadget: atmel: tie wake lock to running clock
usb: gadget: atmel: support USB suspend
usb: gadget: atmel_usba_udc: simplify setting of interrupt-enabled mask
dwc2: gadget: Fix completed transfer size calculation in DDMA
usb: dwc2: Set lpm mode parameters depend on HW configuration
usb: dwc2: Fix channel disable flow
usb: dwc2: Set actual frame number for completed ISOC transfer
usb: gadget: do not use __constant_cpu_to_le16
usb: dwc2: gadget: Increase descriptors count for ISOC's
usb: introduce usb_ep_type_string() function
usb: dwc3: move synchronize_irq() out of the spinlock protected block
...
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git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into arm/soc
This update for DaVinci SoC support simplifies the VBUS enable
and overcurrent handling code in DA8XX OHCI driver by modeling
vbus GPIO as a regulator. This unifies code for all users, device
tree and non-device-tree.
The OHCI driver patches have been acked by its maintainer.
* tag 'davinci-for-v5.2/soc' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
usb: ohci-da8xx: drop the vbus GPIO
ARM: davinci: da830-evm: add a fixed regulator for ohci-da8xx
ARM: davinci: omapl138-hawk: add a fixed regulator for ohci-da8xx
usb: ohci-da8xx: disable the regulator if the overcurrent irq fired
usb: ohci-da8xx: let the regulator framework keep track of use count
ARM: davinci: add missing sentinels to GPIO lookup tables
Signed-off-by: Olof Johansson <olof@lixom.net>
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The configure endpoint command configures all the endpoints that were
flagged to be added or dropped.
To know the content of each of the added endpoints we need to add tracing
to the .add_endpoint() callback, just after initializing all the context
values.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add tracing for the add and drop bits in the input control context
used in Address device, configure endpoint, evaluate context commands.
The add and drop bits tell xHC which enpoints are added and dropped.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Improve port related dynamic debugging by printing out the bus number,
port number and port status register content each time there is a port
related debug messages.
Use the same port numbering method as usbcore to simplify debugging.
i.e. starting with port number 1.
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Immediate data transfers (IDT) allow the HCD to copy small chunks of
data (up to 8bytes) directly into its output transfer TRBs. This avoids
the somewhat expensive DMA mappings that are performed by default on
most URBs submissions.
In the case an URB was suitable for IDT. The data is directly copied
into the "Data Buffer Pointer" region of the TRB and the IDT flag is
set. Instead of triggering memory accesses the HC will use the data
directly.
The implementation could cover all kind of output endpoints. Yet
Isochronous endpoints are bypassed as I was unable to find one that
matched IDT's constraints. As we try to bypass the default DMA mappings
on URB buffers we'd need to find a Isochronous device with an
urb->transfer_buffer_length <= 8 bytes.
The implementation takes into account that the 8 byte buffers provided
by the URB will never cross a 64KB boundary.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Reviewed-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When the driver tries to get optional clock, it ignores all errors except
-EPROBE_DEFER, but if only ignores -ENOENT, it will cover some real errors,
such as -ENOMEM, so use devm_clk_get_optional() to get optional clock.
Cc: Mathias Nyman <mathias.nyman@intel.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use devm_clk_get_optional() to get optional clock instead of
optional_clk_get() which uses devm_clk_get() to get clock and
checks for -EPROBE_DEFER but not -ENOENT as devm_clk_get_optional()
does, in fact, only ignoring -ENOENT will cover more errors, so the
replacement doesn't change original purpose.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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fhci_queue_urb() shouldn't use urb->pipe to compute the maxpacket
size anyway.It should use usb_endpoint_maxp(&urb->ep->desc).
Signed-off-by: Yan Zhu <zhuyan34@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This commit adds Tegra186 XUSB host mode controller support. This is
very similar to the existing support for Tegra124 and Tegra210, except
that the number of ports and PHYs differs and the IPFS wrapper being
gone.
Signed-off-by: JC Kuo <jckuo@nvidia.com>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Starting with Tegra186, the XUSB controller no longer has the IPFS
wrapper. This commit adds a "has_ipfs" field to struct tegra_xusb_soc
that can be used to declare the existence of the IPFS wrapper.
For the existing chips (i.e. Tegra124 and Tegra210), the new field is
set to true. A future patch adding support for Tegra186 will set it to
false.
Signed-off-by: JC Kuo <jckuo@nvidia.com>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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All users now setup a fixed regulator for the vbus supply. We can drop
the vbus GPIO code.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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Historically the power supply management in this driver has been handled
in two separate places in parallel. Device-tree users simply defined an
appropriate regulator, while two boards with no DT support (da830-evm and
omapl138-hawk) passed functions defined in their respective board files
over platform data. These functions simply used legacy GPIO calls to
watch the oc GPIO for interrupts and disable the vbus GPIO when the irq
fires.
Commit d193abf1c913 ("usb: ohci-da8xx: add vbus and overcurrent gpios")
updated these GPIO calls to the modern API and moved them inside the
driver.
This however is not the optimal solution for the vbus GPIO which should
be modeled as a fixed regulator that can be controlled with a GPIO.
In order to keep the overcurrent protection available once we move the
board files to using fixed regulators we need to disable the enable_reg
regulator when the overcurrent indicator interrupt fires. Since we
cannot call regulator_disable() from interrupt context, we need to
switch to using a oneshot threaded interrupt.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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There's no reason to have a separate variable to keep track of the
regulator state. The regulator core already does that. Remove
reg_enabled from struct da8xx_ohci_hcd.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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mmiowb() is now implied by spin_unlock() on architectures that require
it, so there is no reason to call it from driver code. This patch was
generated using coccinelle:
@mmiowb@
@@
- mmiowb();
and invoked as:
$ for d in drivers include/linux/qed sound; do \
spatch --include-headers --sp-file mmiowb.cocci --dir $d --in-place; done
NOTE: mmiowb() has only ever guaranteed ordering in conjunction with
spin_unlock(). However, pairing each mmiowb() removal in this patch with
the corresponding call to spin_unlock() is not at all trivial, so there
is a small chance that this change may regress any drivers incorrectly
relying on mmiowb() to order MMIO writes between CPUs using lock-free
synchronisation. If you've ended up bisecting to this commit, you can
reintroduce the mmiowb() calls using wmb() instead, which should restore
the old behaviour on all architectures other than some esoteric ia64
systems.
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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We want the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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if platform_driver_register fails, cleanup the allocated resource
gracefully.
Signed-off-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In case create_singlethread_workqueue fails, the fix notifies
callers the error to avoid potential NULL pointer dereferences.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit 2f31a67f01a8 ("usb: xhci: Prevent bus suspend if a port connect
change or polling state is detected") was intended to prevent ports that
were still link training from being forced to U3 suspend state mid
enumeration.
This solved enumeration issues for devices with slow link training.
Turns out some devices are stuck in the link training/polling state,
and thus that patch will prevent suspend completely for these devices.
This is seen with USB3 card readers in some MacBooks.
Instead of preventing suspend, give some time to complete the link
training. On successful training the port will end up as connected
and enabled.
If port instead is stuck in link training the bus suspend will continue
suspending after 360ms (10 * 36ms) timeout (tPollingLFPSTimeout).
Original patch was sent to stable, this one should go there as well
Fixes: 2f31a67f01a8 ("usb: xhci: Prevent bus suspend if a port connect change or polling state is detected")
Cc: stable@vger.kernel.org
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The xhci debug capability (DbC) feature did its memory cleanup with
spinlock held. dma_free_coherent() warns if called with interrupts
disabled
move the memory cleanup outside the spinlock
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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A suspended SS port in U3 link state will go to U0 when resumed, but
can almost immediately after that enter U1 or U2 link power save
states before host controller driver reads the port status.
Host controller driver only checks for U0 state, and might miss
the finished resume, leaving flags unclear and skip notifying usb
code of the wake.
Add U1 and U2 to the possible link states when checking for finished
port resume.
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When plugging BUFFALO LUA4-U3-AGT USB3.0 to Gigabit Ethernet LAN
Adapter, warning messages filled up dmesg.
[ 101.098287] xhci-hcd ee000000.usb: WARN Successful completion on short TX for slot 1 ep 4: needs XHCI_TRUST_TX_LENGTH quirk?
[ 101.117463] xhci-hcd ee000000.usb: WARN Successful completion on short TX for slot 1 ep 4: needs XHCI_TRUST_TX_LENGTH quirk?
[ 101.136513] xhci-hcd ee000000.usb: WARN Successful completion on short TX for slot 1 ep 4: needs XHCI_TRUST_TX_LENGTH quirk?
Adding the XHCI_TRUST_TX_LENGTH quirk resolves the issue.
Signed-off-by: Yasushi Asano <yasano@jp.adit-jv.com>
Signed-off-by: Spyridon Papageorgiou <spapageorgiou@de.adit-jv.com>
Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pull DMA mapping updates from Christoph Hellwig:
- add debugfs support for dumping dma-debug information (Corentin
Labbe)
- Kconfig cleanups (Andy Shevchenko and me)
- debugfs cleanups (Greg Kroah-Hartman)
- improve dma_map_resource and use it in the media code
- arch_setup_dma_ops / arch_teardown_dma_ops cleanups
- various small cleanups and improvements for the per-device coherent
allocator
- make the DMA mask an upper bound and don't fail "too large" dma mask
in the remaning two architectures - this will allow big driver
cleanups in the following merge windows
* tag 'dma-mapping-5.1' of git://git.infradead.org/users/hch/dma-mapping: (21 commits)
Documentation/DMA-API-HOWTO: update dma_mask sections
sparc64/pci_sun4v: allow large DMA masks
sparc64/iommu: allow large DMA masks
sparc64: refactor the ali DMA quirk
ccio: allow large DMA masks
dma-mapping: remove the DMA_MEMORY_EXCLUSIVE flag
dma-mapping: remove dma_mark_declared_memory_occupied
dma-mapping: move CONFIG_DMA_CMA to kernel/dma/Kconfig
dma-mapping: improve selection of dma_declare_coherent availability
dma-mapping: remove an incorrect __iommem annotation
of: select OF_RESERVED_MEM automatically
device.h: dma_mem is only needed for HAVE_GENERIC_DMA_COHERENT
mfd/sm501: depend on HAS_DMA
dma-mapping: add a kconfig symbol for arch_teardown_dma_ops availability
dma-mapping: add a kconfig symbol for arch_setup_dma_ops availability
dma-mapping: move debug configuration options to kernel/dma
dma-debug: add dumping facility via debugfs
dma: debug: no need to check return value of debugfs_create functions
videobuf2: replace a layering violation with dma_map_resource
dma-mapping: don't BUG when calling dma_map_resource on RAM
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY updates from Greg KH:
"Here is the big USB/PHY driver pull request for 5.1-rc1.
The usual set of gadget driver updates, phy driver updates, xhci
updates, and typec additions. Also included in here are a lot of small
cleanups and fixes and driver updates where needed.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (167 commits)
wusb: Remove unnecessary static function ckhdid_printf
usb: core: make default autosuspend delay configurable
usb: core: Fix typo in description of "authorized_default"
usb: chipidea: Refactor USB PHY selection and keep a single PHY
usb: chipidea: Grab the (legacy) USB PHY by phandle first
usb: chipidea: imx: set power polarity
dt-bindings: usb: ci-hdrc-usb2: add property power-active-high
usb: chipidea: imx: remove unused header files
usb: chipidea: tegra: Fix missed ci_hdrc_remove_device()
usb: core: add option of only authorizing internal devices
usb: typec: tps6598x: handle block writes separately with plain-I2C adapters
usb: xhci: Fix for Enabling USB ROLE SWITCH QUIRK on INTEL_SUNRISEPOINT_LP_XHCI
usb: xhci: fix build warning - missing prototype
usb: xhci: dbc: Fixing typo error.
usb: xhci: remove unused member 'parent' in xhci_regset struct
xhci: tegra: Prevent error pointer dereference
USB: serial: option: add Telit ME910 ECM composition
usb: core: Replace hardcoded check with inline function from usb.h
usb: core: skip interfaces disabled in devicetree
usb: typec: mux: remove redundant check on variable match
...
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This fix enables USB role feature on intel commercial nuc
platform which is based on Kabylake chipset.
Signed-off-by: Balaji Manoharan <m.balaji@intel.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix build warning when building drivers/usb/host/xhci-mem.o with W=1 due
to missing prototype for xhci_free_virt_devices_depth_first.
This function is only used in xhci-mem.c so just make it static.
Signed-off-by: Jean-Philippe Menil <jpmenil@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Replaced "xhci_dbc_flush_reqests" with xhci_dbc_flush_requests".
Signed-off-by: Prabhat Chand Pandey <prabhat.chand.pandey@intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The member @parent of xhci_regset struct is not used in fact,
so remove it
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>
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During initialization, the host and super-speed power domains will
contain an ERR_PTR() encoded error code rather than being NULL. To
avoid a crash, use a !IS_ERR_OR_NULL() condition during cleanup.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Fixes: 6494a9ad86de ("usb: xhci: tegra: Add genpd support")
Cc: stable <stable@vger.kernel.org>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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All users of dma_declare_coherent want their allocations to be
exclusive, so default to exclusive allocations.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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transfer_buffer_length'
Fixes gcc '-Wunused-but-set-variable' warning:
drivers/usb/host/oxu210hp-hcd.c: In function 'scan_periodic':
drivers/usb/host/oxu210hp-hcd.c:2256:13: warning:
variable 'uframes' set but not used [-Wunused-but-set-variable]
drivers/usb/host/oxu210hp-hcd.c: In function 'oxu_urb_enqueue':
drivers/usb/host/oxu210hp-hcd.c:2835:6: warning:
variable 'transfer_buffer_length' set but not used [-Wunused-but-set-variable]
They are never used since introduction.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into arm/fixes
DaVinci SoC updates for v5.1 (part 2)
This pull request contains changes needed to help get rid of
hard-coded GPIO base value passed from DaVinci platform data.
The OHCI related changes also help by moving over-current support
from board-files to OHCI driver making future DT-coversion easy.
The OHCI parts are acked by its maintainer.
* tag 'davinci-for-v5.1/soc-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
usb: ohci-da8xx: remove unused callbacks from platform data
ARM: davinci: da830-evm: remove legacy usb helpers
ARM: davinci: omapl138-hawk: remove legacy usb helpers
usb: ohci-da8xx: add vbus and overcurrent gpios
ARM: davinci: da830-evm: use gpio lookup entries for usb gpios
ARM: davinci: omapl138-hawk: use gpio lookup entries for usb gpios
usb: ohci-da8xx: add a helper pointer to &pdev->dev
usb: ohci-da8xx: add a new line after local variables
ARM: davinci: da850-evm: use GPIO hogs instead of the legacy API
ARM: davinci: mityomapl138: use device properties for at24 eeprom
ARM: davinci: mityomapl138: use nvmem notifiers
ARM: davinci: remove dead code related to MAC address reading
ARM: davinci: sffsdr: use device properties for at24 eeprom
ARM: davinci: sffsdr: fix the at24 eeprom device name
ARM: davinci: dm646x-evm: use device properties for at24 eeprom
ARM: davinci: dm644x-evm: use device properties for at24 eeprom
ARM: davinci: da830-evm: use device properties for at24 eeprom
ARM: davinci: dm365-evm: use device properties for at24 eeprom
ARM: davinci: mityomapl138: don't read the MAC address from machine code
ARM: davinci: da850-evm: remove dead MTD code
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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A statement is indented too deeply, fix this by removing a tab.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There are two users upstream which register external callbacks for
switching the port power on/off and overcurrent protection. Both
users only use two GPIOs for that. Instead of having that functionality
in the board files, move the logic into the OHCI driver - including
the interrupt handler for overcurrent detection.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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Add a helper pointer to &pdev->dev. This improves readability by
removing all the &pdev->dev dereferencing.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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Add a new line after local variables. This improves the coding style.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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Add suspend/resume callbacks to reset the host controller properly
during S2RAM operation.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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No need to initialize the PHY from the driver's probe. It is done by
the core automatically and doing it twice would increment the
phy->powercount counter to 2 instead of 1. During later suspend
operation, the counter will be decremented to one, no phy->power_off()
will occur and worse than that, the following phy->power_on() at
resume time will also be skipped, failing the whole S2RAM operation.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The mvebu xHCI host driver does not have suspend/resume support. Use of
the XHCI_RESET_ON_RESUME quirk is mandatory in order to avoid failures
after resume. This will work only if no USB device is plugged-in.
While at it, mention in the Kconfig file that this IP is also present
on the A3700 SoC.
Signed-off-by: Ofer Heifetz <oferh@marvell.com>
[miquel.raynal@bootlin.com: Reword the commit message]
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We need the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We have been using Makefile for well over a decade now, use that name
instead of Kbuild.
Also, while moving the file, add the proper SPDX identifier at the top
of it.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There are a few remaining drivers/usb/ files that do not have SPDX
identifiers in them, all of these are either Kconfig or Makefiles. Add
the correct GPL-2.0 identifier to them to make scanning tools happy.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This fixes autoloading the module by the OF compatible string.
Fixes: 813e18b18a87 ("USB: EHCI: ehci-mv: add DT support")
Cc: stable@vger.kernel.org
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove USB errata checking code from driver. Applicability of erratum
is retrieved by reading corresponding property in device tree.
This property is written during device tree fixup.
Besides, replace spaces with tabs to make code aligned.
Signed-off-by: Ramneek Mehresh <ramneek.mehresh@nxp.com>
Signed-off-by: Nikhil Badola <nikhil.badola@freescale.com>
Signed-off-by: Yinbo Zhu <yinbo.zhu@nxp.com>
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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CONFIG_USB_EHCI_FSL is not dependent on FSL_SOC, it can be built on
non-PPC platforms.
Signed-off-by: Rajesh Bhagat <rajesh.bhagat@nxp.com>
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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arm/arm64's io.h doesn't define clrbits32() and clrsetbits_be32(), which
causing compile failure on some Layerscape Platforms (such as LS1021A and
LS2012A which also integrates FSL EHCI controller). So use
ioread32be()/iowrite32be() instead to make it workable on both
powerpc and arm.
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add this SFR compatible definition for the sam9x60 SoC and manage
its use in ohci-at91.c driver.
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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One of the more common cases of allocation size calculations is finding the
size of a structure that has a zero-sized array at the end, along with memory
for some number of elements for that array. For example:
struct foo {
int stuff;
void *entry[];
};
instance = kzalloc(sizeof(struct foo) + sizeof(void *) * count, GFP_KERNEL);
Instead of leaving these open-coded and prone to type mistakes, we can now
use the new struct_size() helper:
instance = kzalloc(struct_size(instance, entry, count), GFP_KERNEL);
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We need the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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