| Commit message (Collapse) | Author | Age | Files | Lines |
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Pull drm updates from Dave Airlie:
"This has two exciting community drivers for ARM Mali accelerators.
Since ARM has never been open source friendly on the GPU side of the
house, the community has had to create open source drivers for the
Mali GPUs. Lima covers the older t4xx and panfrost the newer 6xx/7xx
series. Well done to all involved and hopefully this will help ARM
head in the right direction.
There is also now the ability if you don't have any of the legacy
drivers enabled (pre-KMS) to remove all the pre-KMS support code from
the core drm, this saves 10% or so in codesize on my machine.
i915 also enable Icelake/Elkhart Lake Gen11 GPUs by default, vboxvideo
moves out of staging.
There are also some rcar-du patches which crossover with media tree
but all should be acked by Mauro.
Summary:
uapi changes:
- Colorspace connector property
- fourcc - new YUV formts
- timeline sync objects initially merged
- expose FB_DAMAGE_CLIPS to atomic userspace
new drivers:
- vboxvideo: moved out of staging
- aspeed: ASPEED SoC BMC chip display support
- lima: ARM Mali4xx GPU acceleration driver support
- panfrost: ARM Mali6xx/7xx Midgard/Bitfrost acceleration driver support
core:
- component helper docs
- unplugging fixes
- devm device init
- MIPI/DSI rate control
- shmem backed gem objects
- connector, display_info, edid_quirks cleanups
- dma_buf fence chain support
- 64-bit dma-fence seqno comparison fixes
- move initial fb config code to core
- gem fence array helpers for Lima
- ability to remove legacy support code if no drivers requires it (removes 10% of drm.ko size)
- lease fixes
ttm:
- unified DRM_FILE_PAGE_OFFSET handling
- Account for kernel allocations in kernel zone only
panel:
- OSD070T1718-19TS panel support
- panel-tpo-td028ttec1 backlight support
- Ronbo RB070D30 MIPI/DSI
- Feiyang FY07024DI26A30-D MIPI-DSI panel
- Rocktech jh057n00900 MIPI-DSI panel
i915:
- Comet Lake (Gen9) PCI IDs
- Updated Icelake PCI IDs
- Elkhartlake (Gen11) support
- DP MST property addtions
- plane and watermark fixes
- Icelake port sync and VEBOX disable fixes
- struct_mutex usage reduction
- Icelake gamma fix
- GuC reset fixes
- make mmap more asynchronous
- sound display power well race fixes
- DDI/MIPI-DSI clocks for Icelake
- Icelake RPS frequency changing support
- Icelake workarounds
amdgpu:
- Use HMM for userptr
- vega20 experimental smu11 support
- RAS support for vega20
- BACO support for vega12 + fixes for vega20
- reworked IH interrupt handling
- amdkfd RAS support
- Freesync improvements
- initial timeline sync object support
- DC Z ordering fixes
- NV12 planes support
- colorspace properties for planes=
- eDP opts if eDP already initialized
nouveau:
- misc fixes
etnaviv:
- misc fixes
msm:
- GPU zap shader support expansion
- robustness ABI addition
exynos:
- Logging cleanups
tegra:
- Shared reset fix
- CPU cache maintenance fix
cirrus:
- driver rewritten using simple helpers
meson:
- G12A support
vmwgfx:
- Resource dirtying management improvements
- Userspace logging improvements
virtio:
- PRIME fixes
rockchip:
- rk3066 hdmi support
sun4i:
- DSI burst mode support
vc4:
- load tracker to detect underflow
v3d:
- v3d v4.2 support
malidp:
- initial Mali D71 support in komeda driver
tfp410:
- omap related improvement
omapdrm:
- drm bridge/panel support
- drop some omap specific panels
rcar-du:
- Display writeback support"
* tag 'drm-next-2019-05-09' of git://anongit.freedesktop.org/drm/drm: (1507 commits)
drm/msm/a6xx: No zap shader is not an error
drm/cma-helper: Fix drm_gem_cma_free_object()
drm: Fix timestamp docs for variable refresh properties.
drm/komeda: Mark the local functions as static
drm/komeda: Fixed warning: Function parameter or member not described
drm/komeda: Expose bus_width to Komeda-CORE
drm/komeda: Add sysfs attribute: core_id and config_id
drm: add non-desktop quirk for Valve HMDs
drm/panfrost: Show stored feature registers
drm/panfrost: Don't scream about deferred probe
drm/panfrost: Disable PM on probe failure
drm/panfrost: Set DMA masks earlier
drm/panfrost: Add sanity checks to submit IOCTL
drm/etnaviv: initialize idle mask before querying the HW db
drm: introduce a capability flag for syncobj timeline support
drm: report consistent errors when checking syncobj capibility
drm/nouveau/nouveau: forward error generated while resuming objects tree
drm/nouveau/fb/ramgk104: fix spelling mistake "sucessfully" -> "successfully"
drm/nouveau/i2c: Disable i2c bus access after ->fini()
drm/nouveau: Remove duplicate ACPI_VIDEO_NOTIFY_PROBE definition
...
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git://anongit.freedesktop.org/tegra/linux into drm-next
drm/tegra: Changes for v5.2-rc1
This contains a fix for the usage of shared resets that previously
generated a WARN on boot. In addition, there's a fix for CPU cache
maintenance of GEM buffers allocated using get_pages().
(airlied: contains a merge from a shared tegra tree)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thierry Reding <thierry.reding@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190418151447.9430-1-thierry.reding@gmail.com
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In order to be able to request an array of reset controls in acquired or
released mode, add the acquired flag to of_reset_control_array_get() and
pass the flag to subsequent calls of __of_reset_control_get().
Signed-off-by: Thierry Reding <treding@nvidia.com>
Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
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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/balbi/usb into usb-next
Felipe writes:
USB: changes for v5.2 merge window
With a total of 50 non-merge commits, this is not a large pull
request. Most of the changes are, again, in dwc2 (37%) and dwc3 (32%)
with the rest of it scattered among other UDCs, function drivers and
device-tree bindings.
No really big feature this time around apart from support to Amlogic
being added to both dwc3 and dwc2 drivers.
* tag 'usb-for-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb: (50 commits)
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
usb: dwc3: Free resource immediately after use
usb: dwc3: of-simple: Convert to bulk clk API
usb: dwc2: Delayed status support
usb: gadget: udc: lpc32xx: rework interrupt handling
...
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The macro name DWC3_DCTL_LPM_ERRATA is uninformative and does not do
masking. Remove DWC3_DCTL_LPM_ERRATA_MASK and rename
DWC3_DCTL_LPM_ERRATA to DWC3_DCTL_NYET_THRES with proper masking.
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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The max possible value for DCTL.LPM_NYET_THRES is 15 and not 255. Change
the default value to 15.
Cc: stable@vger.kernel.org
Fixes: 80caf7d21adc ("usb: dwc3: add lpm erratum support")
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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DWC3 is missing the printing of control request GET_STATUS(device)
tracepoint. This patch prints that.
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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The setting of the dr_mode may need to check the controller's revision.
The revision is set in the dwc3_core_is_valid(), which comes after
dr_mode setting. Let's move it closer to the start of the dwc3_probe()
function and before calling dwc3_get_dr_mode().
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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All DWC3 controllers are LPM capable. Report that in the
usb_gadget.lpm_capable for the gadget driver to properly output the
bcdUSB value in the descriptor.
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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If the USB device is connected to a host, the CPU cannot be suspended or
else the USB device appears to be disconnected from the host's point of
view. Only after a "USB suspend" state has been entered (as set by the
host) or the host is disconnected can the system safely be suspended: in
both these states, the clock is stopped. As such, this patch associates
a "wake lock" with the running clock of the UDC to keep the system awake
as long as the host maintains the USB connection active.
Signed-off-by: Jonas Bonn <jonas@norrbonn.se>
CC: Cristian Birsan <cristian.birsan@microchip.com>
CC: Felipe Balbi <balbi@kernel.org>
CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CC: Nicolas Ferre <nicolas.ferre@microchip.com>
CC: Alexandre Belloni <alexandre.belloni@bootlin.com>
CC: Ludovic Desroches <ludovic.desroches@microchip.com>
CC: linux-arm-kernel@lists.infradead.org
CC: linux-usb@vger.kernel.org
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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This patch adds support for USB suspend to the Atmel UDC.
When suspended, the UDC clock can be stopped, resulting in some power
savings. The "wake up" interrupt will fire irregardless of whether the
clock is running or not, allowing the UDC clock to be restarted when the
USB master wants to wake the device again.
The IRQ state of this device is somewhat fiddly. The "wake up" IRQ
seems to actually be a "bus activity" indicator; the IRQ is almost
continuously asserted so enabling this IRQ should only be done after a
suspend when the wake IRQ becomes relevant. Similarly, the "suspend"
IRQ detects "bus inactivity" and may therefore fire together with a
"wake" if the two types of activity coincide during the period between
two IRQ handler invocations; therefore, it's important to ignore the
"suspend" IRQ while waiting for a wake-up.
This has been tested on a SAMA5D2 board.
Signed-off-by: Jonas Bonn <jonas@norrbonn.se>
CC: Cristian Birsan <cristian.birsan@microchip.com>
CC: Felipe Balbi <balbi@kernel.org>
CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CC: Nicolas Ferre <nicolas.ferre@microchip.com>
CC: Alexandre Belloni <alexandre.belloni@bootlin.com>
CC: Ludovic Desroches <ludovic.desroches@microchip.com>
CC: linux-arm-kernel@lists.infradead.org
CC: linux-usb@vger.kernel.org
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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This patch adds set and clear functions for enabling/disabling
interrupts. This simplifies the implementation a bit as the masking of
previously set bits doesn't need to be so explicit.
Signed-off-by: Jonas Bonn <jonas@norrbonn.se>
CC: Cristian Birsan <cristian.birsan@microchip.com>
CC: Felipe Balbi <balbi@kernel.org>
CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
CC: Nicolas Ferre <nicolas.ferre@microchip.com>
CC: Alexandre Belloni <alexandre.belloni@bootlin.com>
CC: Ludovic Desroches <ludovic.desroches@microchip.com>
CC: linux-arm-kernel@lists.infradead.org
CC: linux-usb@vger.kernel.org
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Fix calculation of transfer size on completion in function
dwc2_gadget_get_xfersize_ddma().
Added increment of descriptor pointer to move to next descriptor in
the loop.
Fixes: aa3e8bc81311 ("usb: dwc2: gadget: DDMA transfer start and complete")
Signed-off-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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If core not supported lpm, i.e. BCM2835 then confusing warnings seen
in log.
To avoid these warnings, added function dwc2_set_param_lpm() to set
lpm and other lpm related parameters based on lpm support by core.
Signed-off-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Channel disabling/halting should performed for enabled only channels
to avoid warnings "Unable to clear enable on channel N" which seen
if host works in Slave mode.
Signed-off-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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On ISOC transfer completion, in DDMA mode, set actual frame
number returning to function driver in usb_request.
Due to core limitation, returning frame number is 11-bit wide.
Signed-off-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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A trivial patch.
cpu_to_le16() is capable enough to detect __builtin_constant_p()
and to use an appropriate compile time ___constant_swahbXX()
function.
So we can use cpu_to_le16() instead of __constant_cpu_to_le16().
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Some function drivers queueing more than 128 ISOC requests at a time.
To avoid "descriptor chain full" cases, increasing descriptors count
from MAX_DMA_DESC_NUM_GENERIC to MAX_DMA_DESC_NUM_HS_ISOC for ISOC's
only.
Signed-off-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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In some places, the code prints a human-readable USB endpoint
transfer type (e.g. "bulk"). This involves a switch statement
sometimes wrapped around in ({ ... }) block leading to code
repetition.
To make this scenario easier, here introduces usb_ep_type_string()
function, which returns a human-readable name of provided
endpoint type.
It also changes a few places switch was used to use this
new function.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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dwc3_gadget_suspend() is called under dwc->lock spinlock. In such context
calling synchronize_irq() is not allowed. Move the problematic call out
of the protected block to fix the following kernel BUG during system
suspend:
BUG: sleeping function called from invalid context at kernel/irq/manage.c:112
in_atomic(): 1, irqs_disabled(): 128, pid: 1601, name: rtcwake
6 locks held by rtcwake/1601:
#0: f70ac2a2 (sb_writers#7){.+.+}, at: vfs_write+0x130/0x16c
#1: b5fe1270 (&of->mutex){+.+.}, at: kernfs_fop_write+0xc0/0x1e4
#2: 7e597705 (kn->count#60){.+.+}, at: kernfs_fop_write+0xc8/0x1e4
#3: 8b3527d0 (system_transition_mutex){+.+.}, at: pm_suspend+0xc4/0xc04
#4: fc7f1c42 (&dev->mutex){....}, at: __device_suspend+0xd8/0x74c
#5: 4b36507e (&(&dwc->lock)->rlock){....}, at: dwc3_gadget_suspend+0x24/0x3c
irq event stamp: 11252
hardirqs last enabled at (11251): [<c09c54a4>] _raw_spin_unlock_irqrestore+0x6c/0x74
hardirqs last disabled at (11252): [<c09c4d44>] _raw_spin_lock_irqsave+0x1c/0x5c
softirqs last enabled at (9744): [<c0102564>] __do_softirq+0x3a4/0x66c
softirqs last disabled at (9737): [<c0128528>] irq_exit+0x140/0x168
Preemption disabled at:
[<00000000>] (null)
CPU: 7 PID: 1601 Comm: rtcwake Not tainted
5.0.0-rc3-next-20190122-00039-ga3f4ee4f8a52 #5252
Hardware name: SAMSUNG EXYNOS (Flattened Device Tree)
[<c01110f0>] (unwind_backtrace) from [<c010d120>] (show_stack+0x10/0x14)
[<c010d120>] (show_stack) from [<c09a4d04>] (dump_stack+0x90/0xc8)
[<c09a4d04>] (dump_stack) from [<c014c700>] (___might_sleep+0x22c/0x2c8)
[<c014c700>] (___might_sleep) from [<c0189d68>] (synchronize_irq+0x28/0x84)
[<c0189d68>] (synchronize_irq) from [<c05cbbf8>] (dwc3_gadget_suspend+0x34/0x3c)
[<c05cbbf8>] (dwc3_gadget_suspend) from [<c05bd020>] (dwc3_suspend_common+0x154/0x410)
[<c05bd020>] (dwc3_suspend_common) from [<c05bd34c>] (dwc3_suspend+0x14/0x2c)
[<c05bd34c>] (dwc3_suspend) from [<c051c730>] (platform_pm_suspend+0x2c/0x54)
[<c051c730>] (platform_pm_suspend) from [<c05285d4>] (dpm_run_callback+0xa4/0x3dc)
[<c05285d4>] (dpm_run_callback) from [<c0528a40>] (__device_suspend+0x134/0x74c)
[<c0528a40>] (__device_suspend) from [<c052c508>] (dpm_suspend+0x174/0x588)
[<c052c508>] (dpm_suspend) from [<c0182134>] (suspend_devices_and_enter+0xc0/0xe74)
[<c0182134>] (suspend_devices_and_enter) from [<c0183658>] (pm_suspend+0x770/0xc04)
[<c0183658>] (pm_suspend) from [<c0180ddc>] (state_store+0x6c/0xcc)
[<c0180ddc>] (state_store) from [<c09a9a70>] (kobj_attr_store+0x14/0x20)
[<c09a9a70>] (kobj_attr_store) from [<c02d6800>] (sysfs_kf_write+0x4c/0x50)
[<c02d6800>] (sysfs_kf_write) from [<c02d594c>] (kernfs_fop_write+0xfc/0x1e4)
[<c02d594c>] (kernfs_fop_write) from [<c02593d8>] (__vfs_write+0x2c/0x160)
[<c02593d8>] (__vfs_write) from [<c0259694>] (vfs_write+0xa4/0x16c)
[<c0259694>] (vfs_write) from [<c0259870>] (ksys_write+0x40/0x8c)
[<c0259870>] (ksys_write) from [<c0101000>] (ret_fast_syscall+0x0/0x28)
Exception stack(0xed55ffa8 to 0xed55fff0)
...
Fixes: 01c10880d242 ("usb: dwc3: gadget: synchronize_irq dwc irq in suspend")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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When we read an array of integers from device properties,
the temporary buffer is allocated.
However, in case of dwc3_set_incr_burst_type() it's not freed.
Free allocated buffer immediately after use.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Now that the bulk API has a "get all of the clocks" helper to match
what this code wants, there's little reason not to switch over.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Added delayed status support for Control transfers.
Tested in all 3 modes: Slave, BDMA and DDMA.
Performed tests: USB CV (Ch9 and MSC), Control Read/Write tests
using Synopsys USB test environment function driver.
Signed-off-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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There is no actual need to do the enable/disable_irq dance. Instead enable
the interrupts on the phy only when necessary.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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The STOTG04 phy is used as a drop-in replacement of the ISP1301 but some
bits doesn't have exactly the same meaning and this can lead to issues.
Detect the phy dynamically and avoid writing to reserved bits.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Only INT_VBUS_VLD is set to generate ATX interrupts on the phy but
INT_SESS_VLD is checked in vbus_work. This leads to cases where
hot-plugging USB doesn't work after boot.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Use a threaded IRQ to handle vbus_work instead of using the global
worqueue.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Simplify .probe and .remove by using devm managed allocations and requests.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Most of the phy initialization is shared between host and gadget,
this adds the turnaround configuration only used by gadgets to
the global phy init.
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Jules Maselbas <jmaselbas@kalray.eu>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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As the phy initialization is almost the same in host and gadget
mode. This only move the phy initialization functions into core.c
for now, the goal is to share theses functions between the two modes.
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Jules Maselbas <jmaselbas@kalray.eu>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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The phy utmi width information is already set in hsotg params,
phyif is only used in few places and I don't see any reason to
not use hsotg's params.
Moreover the utmi width was being forced to 16 bits by platform
initialization which doesn't take in account HW configuration.
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Jules Maselbas <jmaselbas@kalray.eu>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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The function dwc2_hsotg_init is only called once just before calling
dwc2_hsotg_core_init_disconnected which does the same initialization:
setting the usbcfg register with turnaround time, timeout calibration
and phy width.
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Jules Maselbas <jmaselbas@kalray.eu>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Makes GHWCFG4_UTMI_PHY_DATA* defines closer to their relative shift and
mask defines to improve readability.
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Jules Maselbas <jmaselbas@kalray.eu>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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On the rk3288 USB host-only port (the one that's not the OTG-enabled
port) the PHY can get into a bad state when a wakeup is asserted (not
just a wakeup from full system suspend but also a wakeup from
autosuspend).
We can get the PHY out of its bad state by asserting its "port reset",
but unfortunately that seems to assert a reset onto the USB bus so it
could confuse things if we don't actually deenumerate / reenumerate the
device.
We can also get the PHY out of its bad state by fully resetting it using
the reset from the CRU (clock reset unit), which does a more full
reset. The CRU-based reset appears to actually cause devices on the bus
to be removed and reinserted, which fixes the problem (albeit in a hacky
way).
It's unfortunate that we need to do a full re-enumeration of devices at
wakeup time, but this is better than alternative of letting the bus get
wedged.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Yunzhi Li <lyz@rock-chips.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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The net2280 UDC driver (and also net2272, probably via copy-and-paste)
incorrectly checks the req->zero flag during OUT transfers, after
copying data from the UDC's FIFO into memory. This makes no sense at
all; the "zero" flag indicates that an extra zero-length packet should
be appended to an IN transfer if the length is an even multiple of the
maxpacket size. It has nothing to do with OUT transfers.
In practice this doesn't cause any problems because gadget drivers
never set req->zero for OUT transfers anyway. Still, it is an error
and unnecessary code, so this patch removes the check.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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The net2280 driver includes an unnecessary test for an endpoint's
queue being empty. The test is redundant; it sits inside a
conditional block of an "if" statement which already tests the
endpoint's queue.
This patch removes the redundant test.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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The dependency to ensure this driver links correctly fails since
it can not be a loadable module:
drivers/usb/phy/phy-fsl-usb.o: In function `fsl_otg_set_peripheral':
phy-fsl-usb.c:(.text+0x2224): undefined reference to `usb_gadget_vbus_disconnect'
Make the option 'tristate' so it can work correctly.
Fixes: 5a8d651a2bde ("usb: gadget: move gadget API functions to udc-core")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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To be able to use the default USB class drivers available in Microsoft
Windows, we need to add OS descriptors to the exported USB gadget to
tell the OS that we are compatible with the built-in drivers.
Copy the OS descriptor support from f_rndis into f_ncm. As a result,
using the WINNCM compatible ID, the UsbNcm driver is loaded on
enumeration without the need for a custom driver or inf file.
Signed-off-by: Romain Izard <romain.izard.pro@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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When connecting a CDC-NCM gadget to an host that uses the NTP-32 mode,
or that relies on the default CRC setting, the current implementation gets
confused, and does not expect the correct signature for its packets.
Fix this, by ensuring that the ndp_sign member in the f_ncm structure
always contain a valid value.
Signed-off-by: Romain Izard <romain.izard.pro@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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When the driver tries to get optional clock, it ignores all errors,
but if only ignores -ENOENT, it will cover some real errors, such as
-EPROBE_DEFER, so use devm_clk_get_optional() to get optional clock.
Cc: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Avoiding switch to L1 state in any stage of control transfers.
Send NYET handshake to LPM token.
Renamed GLPMCFG_LPM_ACCEPT_CTRL_ISOC to GLPMCFG_LPM_REJECT_CTRL_CONTROL
because by setting this bit core reject LPM token.
Signed-off-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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In (e583d9d USB: global suspend and remote wakeup don't mix) we
introduced wakeup_enabled_descendants() as a static function. We'd
like to use this function in USB controller drivers to know if we
should keep the controller on during suspend time, since doing so has
a power impact.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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This is an attempt to rehash commit 0cf884e819e0 ("usb: dwc2: add bus
suspend/resume for dwc2") on ToT. That commit was reverted in commit
b0bb9bb6ce01 ("Revert "usb: dwc2: add bus suspend/resume for dwc2"")
because apparently it broke the Altera SOCFPGA.
With all the changes that have happened to dwc2 in the meantime, it's
possible that the Altera SOCFPGA will just magically work with this
change now. ...and it would be good to get bus suspend/resume
implemented.
This change is a forward port of one that's been living in the Chrome
OS 3.14 kernel tree.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Adds support for Amlogic G12A USB Control Glue HW.
The Amlogic G12A SoC Family embeds 2 USB Controllers :
- a DWC3 IP configured as Host for USB2 and USB3
- a DWC2 IP configured as Peripheral USB2 Only
A glue connects these both controllers to 2 USB2 PHYs, and optionnally
to an USB3+PCIE Combo PHY shared with the PCIE controller.
The Glue configures the UTMI 8bit interfaces for the USB2 PHYs, including
routing of the OTG PHY between the DWC3 and DWC2 controllers, and
setups the on-chip OTG mode selection for this PHY.
This drivers supports the on-probe setup of the OTG mode, and manually
via a debugfs interface. The IRQ mode change detect is yet to be added
in a future patchset, mainly due to lack of hardware to validate on.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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This patchs sets the params for the DWC2 Controller found in the
Amlogic G12A SoC family.
It mainly sets the settings reported incorrect by the driver,
leaving the remaining detected automatically by the driver and
provided by the DT node.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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The syzkaller USB fuzzer identified a failure mode in which dummy-hcd
would never give back an unlinked URB. This causes usb_kill_urb() to
hang, leading to WARNINGs and unkillable threads.
In dummy-hcd, all URBs are given back by the dummy_timer() routine as
it scans through the list of pending URBS. Failure to give back URBs
can be caused by failure to start or early exit from the scanning
loop. The code currently has two such pathways: One is triggered when
an unsupported bus transfer speed is encountered, and the other by
exhausting the simulated bandwidth for USB transfers during a frame.
This patch removes those two paths, thereby allowing all unlinked URBs
to be given back in a timely manner. It adds a check for the bus
speed when the gadget first starts running, so that dummy_timer() will
never thereafter encounter an unsupported speed. And it prevents the
loop from exiting as soon as the total bandwidth has been used up (the
scanning loop continues, giving back unlinked URBs as they are found,
but not transferring any more data).
Thanks to Andrey Konovalov for manually running the syzkaller fuzzer
to help track down the source of the bug.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-and-tested-by: syzbot+d919b0f29d7b5a4994b9@syzkaller.appspotmail.com
CC: <stable@vger.kernel.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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Keep EXTCON support optional, as some platforms do not need it.
Do the same for USB_DWC3_OMAP while we're at it.
Fixes: 3def4031b3e3f ("usb: dwc3: add EXTCON dependency for qcom")
Signed-off-by: Marc Gonzalez <marc.w.gonzalez@free.fr>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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The following kernel panic happens due to the io_data buffer gets deallocated
before the async io is completed. Add a check for the case where io_data buffer
should be deallocated by ffs_user_copy_worker.
[ 41.663334] BUG: unable to handle kernel NULL pointer dereference at 0000000000000048
[ 41.672099] #PF error: [normal kernel read fault]
[ 41.677356] PGD 20c974067 P4D 20c974067 PUD 20c973067 PMD 0
[ 41.683687] Oops: 0000 [#1] PREEMPT SMP
[ 41.687976] CPU: 1 PID: 7 Comm: kworker/u8:0 Tainted: G U 5.0.0-quilt-2e5dc0ac-00790-gd8c79f2-dirty #2
[ 41.705309] Workqueue: adb ffs_user_copy_worker
[ 41.705316] RIP: 0010:__vunmap+0x2a/0xc0
[ 41.705318] Code: 0f 1f 44 00 00 48 85 ff 0f 84 87 00 00 00 55 f7 c7 ff 0f 00 00 48 89 e5 41 55 41 89 f5 41 54 53 48 89 fb 75 71 e8 56 d7 ff ff <4c> 8b 60 48 4d 85 e4 74 76 48 89 df e8 25 ff ff ff 45 85 ed 74 46
[ 41.705320] RSP: 0018:ffffbc3a40053df0 EFLAGS: 00010286
[ 41.705322] RAX: 0000000000000000 RBX: ffffbc3a406f1000 RCX: 0000000000000000
[ 41.705323] RDX: 0000000000000001 RSI: 0000000000000001 RDI: 00000000ffffffff
[ 41.705324] RBP: ffffbc3a40053e08 R08: 000000000001fb79 R09: 0000000000000037
[ 41.705325] R10: ffffbc3a40053b68 R11: ffffbc3a40053cad R12: fffffffffffffff2
[ 41.705326] R13: 0000000000000001 R14: 0000000000000000 R15: ffffffffffffffff
[ 41.705328] FS: 0000000000000000(0000) GS:ffff9e2977a80000(0000) knlGS:0000000000000000
[ 41.705329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 41.705330] CR2: 0000000000000048 CR3: 000000020c994000 CR4: 00000000003406e0
[ 41.705331] Call Trace:
[ 41.705338] vfree+0x50/0xb0
[ 41.705341] ffs_user_copy_worker+0xe9/0x1c0
[ 41.705344] process_one_work+0x19f/0x3e0
[ 41.705348] worker_thread+0x3f/0x3b0
[ 41.829766] kthread+0x12b/0x150
[ 41.833371] ? process_one_work+0x3e0/0x3e0
[ 41.838045] ? kthread_create_worker_on_cpu+0x70/0x70
[ 41.843695] ret_from_fork+0x3a/0x50
[ 41.847689] Modules linked in: hci_uart bluetooth ecdh_generic rfkill_gpio dwc3_pci dwc3 snd_usb_audio mei_me tpm_crb snd_usbmidi_lib xhci_pci xhci_hcd mei tpm snd_hwdep cfg80211 snd_soc_skl snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core snd_hda_core videobuf2_dma_sg crlmodule
[ 41.876880] CR2: 0000000000000048
[ 41.880584] ---[ end trace 2bc4addff0f2e673 ]---
[ 41.891346] RIP: 0010:__vunmap+0x2a/0xc0
[ 41.895734] Code: 0f 1f 44 00 00 48 85 ff 0f 84 87 00 00 00 55 f7 c7 ff 0f 00 00 48 89 e5 41 55 41 89 f5 41 54 53 48 89 fb 75 71 e8 56 d7 ff ff <4c> 8b 60 48 4d 85 e4 74 76 48 89 df e8 25 ff ff ff 45 85 ed 74 46
[ 41.916740] RSP: 0018:ffffbc3a40053df0 EFLAGS: 00010286
[ 41.922583] RAX: 0000000000000000 RBX: ffffbc3a406f1000 RCX: 0000000000000000
[ 41.930563] RDX: 0000000000000001 RSI: 0000000000000001 RDI: 00000000ffffffff
[ 41.938540] RBP: ffffbc3a40053e08 R08: 000000000001fb79 R09: 0000000000000037
[ 41.946520] R10: ffffbc3a40053b68 R11: ffffbc3a40053cad R12: fffffffffffffff2
[ 41.954502] R13: 0000000000000001 R14: 0000000000000000 R15: ffffffffffffffff
[ 41.962482] FS: 0000000000000000(0000) GS:ffff9e2977a80000(0000) knlGS:0000000000000000
[ 41.971536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 41.977960] CR2: 0000000000000048 CR3: 000000020c994000 CR4: 00000000003406e0
[ 41.985930] Kernel panic - not syncing: Fatal exception
[ 41.991817] Kernel Offset: 0x16000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 42.009525] Rebooting in 10 seconds..
[ 52.014376] ACPI MEMORY or I/O RESET_REG.
Fixes: 772a7a724f69 ("usb: gadget: f_fs: Allow scatter-gather buffers")
Signed-off-by: Fei Yang <fei.yang@intel.com>
Reviewed-by: Manu Gautam <mgautam@codeaurora.org>
Tested-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-next
Johan writes:
USB-serial updates for 5.2-rc1
Here are the USB-serial updates for 5.2-rc1, including:
- flow-control related fixes for pl2303
- fix for an initial-termios issue
- fix for a couple of unthrottle() races
- fix for f81232 interrupt-handling issues
- improved f81232 overrun handling
- support for higher f81232 line speeds
- support for f81232 break control
Included are also various clean ups.
All but the last four commits have been in linux-next and with no
reported issues.
Signed-off-by: Johan Hovold <johan@kernel.org>
* tag 'usb-serial-5.2-rc1' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial: (22 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: serial: io_edgeport: fix up switch fall-through comments
USB: serial: drop unused iflag macro
USB: serial: drop unnecessary goto
USB: serial: clean up throttle handling
USB: serial: fix unthrottle races
USB: serial: spcp8x5: simplify init_termios
USB: serial: oti6858: simplify init_termios
USB: serial: iuu_phoenix: simplify init_termios
USB: serial: iuu_phoenix: drop bogus initial cflag
USB: serial: cypress_m8: clean up initial-termios handling
USB: serial: cypress_m8: drop unused termios
USB: serial: cypress_m8: drop unused driver data flag
USB: serial: ark3116: drop redundant init_termios
USB: serial: fix initial-termios handling
USB: serial: digi_acceleport: clean up set_termios
USB: serial: digi_acceleport: clean up modem-control handling
...
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