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The variable of 'count' is declared as u8, this will cause an issue
due to value truncated when works in SS or SSP mode and data length
is greater than 255, so change it as u32.
Signed-off-by: Chunfeng Yun <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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We should get drvdata from struct device directly. Going via
platform_device is an unneeded step back and forth.
Signed-off-by: Wolfram Sang <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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We should get drvdata from struct device directly. Going via
platform_device is an unneeded step back and forth.
Acked-by: Chunfeng Yun <[email protected]>
Signed-off-by: Wolfram Sang <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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Tegra's EHCI driver has a build dependency on Tegra's PHY driver and
currently Tegra's PHY driver is built only when Tegra's EHCI driver is
built. Add own Kconfig entry for the Tegra's PHY driver so that drivers
other than ehci-tegra (like ChipIdea UDC) could work with ehci-tegra
driver being disabled in kernels config by allowing user to manually
select the PHY driver.
Signed-off-by: Dmitry Osipenko <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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UTMI pads are shared by USB controllers and reset of UTMI pads is shared
with the reset of USB1 controller. Currently reset of UTMI pads is done by
the EHCI driver and ChipIdea UDC works because EHCI driver always happen
to be probed first. Move reset controls from ehci-tegra to tegra-phy in
order to resolve the problem.
Signed-off-by: Dmitry Osipenko <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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Tegra's PHY driver has a mix of pr_err() and dev_err(), let's switch to
dev_err() and use common errors message formatting across the driver for
consistency.
Signed-off-by: Dmitry Osipenko <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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This allows 32 bit owners of ffs endpoints to
make ioctls into a 64 bit kernel.
All of the current epfile ioctls can be handled
with the same struct definitions as regular
ioctl.
Acked-by: Michał Nazarewicz <[email protected]>
Signed-off-by: Jerry Zhang <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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Currently, the midi function is not freed until it is
both removed from the config and released by the user.
Since the user could take a long time to release the
card, it's possible that the function could be unlinked
and thus f_midi_opts would be null when freeing f_midi.
Thus, refcount f_midi_opts and only free it when it is
unlinked and all f_midis have been freed.
Signed-off-by: Jerry Zhang <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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The Aspeed BMC SoCs support a "virtual hub" function. It provides some
HW support for a top-level USB2 hub behind which sit 5 gadget "ports".
This driver adds support for the full functionality, emulating the
hub standard requests and exposing 5 UDC gadget drivers corresponding
to the ports.
The hub itself has HW provided dedicated EP0 and EP1 (the latter for
hub interrupts). It also has dedicated EP0s for each function. For
other endpoints, there's a pool of 15 "generic" endpoints that are
shared among the ports.
The driver relies on my previous patch adding a "dispose" EP op to
handle EP allocation between ports. EPs are allocated from the shared
pool in the UDC "match_ep" callback and assigned to the UDC instance
(added to the gadget ep_list).
When the composite driver gets unbound, the new hook will allow the UDC
to clean things up and return those EPs to the shared pool.
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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The table is never modified by the function. This allows us
to use it on a statically defined table that is marked const.
Signed-off-by: Benjamin Herrenschmidt <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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It has been observed that writing 0xF2 to the power register while it
reads as 0xF4 results in the register having the value 0xF0, i.e. clearing
RESUME and setting SUSPENDM in one go does not work. It might also violate
the USB spec to transition directly from resume to suspend, especially
when not taking T_DRSMDN into account. But this is what happens when a
remote wakeup occurs between SetPortFeature USB_PORT_FEAT_SUSPEND on the
root hub and musb_bus_suspend being called.
This commit returns -EBUSY when musb_bus_suspend is called while remote
wakeup is signalled and thus avoids to reset the RESUME bit. Ignoring
this error when musb_port_suspend is called from musb_hub_control is ok.
Signed-off-by: Daniel Glöckner <[email protected]>
Signed-off-by: Bin Liu <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Hub driver will try to disable a USB3 device twice at logical disconnect,
racing with xhci_free_dev() callback from the first port disable.
This can be triggered with "udisksctl power-off --block-device <disk>"
or by writing "1" to the "remove" sysfs file for a USB3 device
in 4.17-rc4.
USB3 devices don't have a similar disabled link state as USB2 devices,
and use a U3 suspended link state instead. In this state the port
is still enabled and connected.
hub_port_connect() first disconnects the device, then later it notices
that device is still enabled (due to U3 states) it will try to disable
the port again (set to U3).
The xhci_free_dev() called during device disable is async, so checking
for existing xhci->devs[i] when setting link state to U3 the second time
was successful, even if device was being freed.
The regression was caused by, and whole thing revealed by,
Commit 44a182b9d177 ("xhci: Fix use-after-free in xhci_free_virt_device")
which sets xhci->devs[i]->udev to NULL before xhci_virt_dev() returned.
and causes a NULL pointer dereference the second time we try to set U3.
Fix this by checking xhci->devs[i]->udev exists before setting link state.
The original patch went to stable so this fix needs to be applied there as
well.
Fixes: 44a182b9d177 ("xhci: Fix use-after-free in xhci_free_virt_device")
Cc: <[email protected]>
Reported-by: Jordan Glover <[email protected]>
Tested-by: Jordan Glover <[email protected]>
Signed-off-by: Mathias Nyman <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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We want the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for v4.17-rc4
Here's a fix for a long-standing issue in the visor driver, which could
have security implications. Included is also a new modem device id.
Both commits have been in linux-next for a couple of days with no
reported issues.
Signed-off-by: Johan Hovold <[email protected]>
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This reverts commit 22072e83ebd510fb6a090aef9d65ccfda9b1e7e4 as it is
broken.
Alan writes:
What you can't see just from reading the patch is that in both
cases (ehci->itd_pool and ehci->sitd_pool) there are two
allocation paths -- the two branches of an "if" statement -- and
only one of the paths calls dma_pool_[z]alloc. However, the
memset is needed for both paths, and so it can't be eliminated.
Given that it must be present, there's no advantage to calling
dma_pool_zalloc rather than dma_pool_alloc.
Reported-by: Erick Cafferata <[email protected]>
Cc: Alan Stern <[email protected]>
Cc: Souptick Joarder <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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After removing usbip_host module, devices it releases are left without
a driver. For example, when a keyboard or a mass storage device are
bound to usbip_host when it is removed, these devices are no longer
bound to any driver.
Fix it to run device_attach() from the module exit routine to restore
the devices to their original drivers. This includes cleanup changes
and moving device_attach() code to a common routine to be called from
rebind_store() and usbip_host_exit().
Signed-off-by: Shuah Khan (Samsung OSG) <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Device is left in the busid_table after unbind and rebind. Rebind
initiates usb bus scan and the original driver claims the device.
After rescan the device should be deleted from the busid_table as
it no longer belongs to usbip_host.
Fix it to delete the device after device_attach() succeeds.
Signed-off-by: Shuah Khan (Samsung OSG) <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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If the I2C adapter that the PD controller is attached to
does not support SMBus protocol, the driver needs to handle
block reads separately. The first byte returned in block
read protocol will show the total number of bytes. It needs
to be stripped away.
This is handled separately in the driver only because right
now we have no way of requesting the used protocol with
regmap-i2c. This is in practice a workaround for what is
really a problem in regmap-i2c. The other option would have
been to register custom regmap, or not use regmap at all,
however, since the solution is very simple, I choose to use
it in this case for convenience. It is easy to remove once
we figure out how to handle this kind of cases in
regmap-i2c.
Fixes: 0a4c005bd171 ("usb: typec: driver for TI TPS6598x USB Power Delivery controllers")
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Heikki Krogerus <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The ref count for the USB role switch device must be
released after we are done using the switch.
Fixes: c6962c29729c ("usb: typec: tcpm: Set USB role switch to device mode when configured as such")
Signed-off-by: Heikki Krogerus <[email protected]>
Reviewed-by: Hans de Goede <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Some non-compliant high-speed USB devices have bulk endpoints with a
1024-byte maxpacket size. Although such endpoints don't work with
xHCI host controllers, they do work with EHCI controllers. We used to
accept these invalid sizes (with a warning), but we no longer do
because of an unintentional change introduced by commit aed9d65ac327
("USB: validate wMaxPacketValue entries in endpoint descriptors").
This patch restores the old behavior, so that people with these
peculiar devices can use them without patching their kernels by hand.
Signed-off-by: Alan Stern <[email protected]>
Suggested-by: Elvinas <[email protected]>
Fixes: aed9d65ac327 ("USB: validate wMaxPacketValue entries in endpoint descriptors")
CC: <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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KASAN found a use-after-free in xhci_free_virt_device+0x33b/0x38e
where xhci_free_virt_device() sets slot id to 0 if udev exists:
if (dev->udev && dev->udev->slot_id)
dev->udev->slot_id = 0;
dev->udev will be true even if udev is freed because dev->udev is
not set to NULL.
set dev->udev pointer to NULL in xhci_free_dev()
The original patch went to stable so this fix needs to be applied
there as well.
Fixes: a400efe455f7 ("xhci: zero usb device slot_id member when disabling and freeing a xhci slot")
Cc: <[email protected]>
Reported-by: Guenter Roeck <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Tested-by: Guenter Roeck <[email protected]>
Signed-off-by: Mathias Nyman <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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If we get an invalid device configuration from a palm 3 type device, we
might incorrectly parse things, and we have the potential to crash in
"interesting" ways.
Fix this up by verifying the size of the configuration passed to us by
the device, and only if it is correct, will we handle it.
Note that this also fixes an information leak of slab data.
Reported-by: Andrey Konovalov <[email protected]>
Reviewed-by: Andrey Konovalov <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
[ johan: add comment about the info leak ]
Cc: stable <[email protected]>
Signed-off-by: Johan Hovold <[email protected]>
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This patch adds support for ublox R410M PID 0x90b2 USB modem to option
driver, this module supports LTE Cat M1 / NB1.
Interface layout:
0: QCDM/DIAG
1: ADB
2: AT
3: RMNET
Signed-off-by: SZ Lin (林上智) <[email protected]>
Cc: stable <[email protected]>
Signed-off-by: Johan Hovold <[email protected]>
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The dwm-158 interface 4 and 5 doesn't answer to the AT commands
and doesn't appears a option interface.
Tested on openwrt distribution (kernel 4.14 using the old blacklist
definitions).
Lars Melin also writes:
Blacklisting interface 4 and 5 is correct because:
MI_00 D-Link Mobile Broadband Device (cdc_ether)
MI_02 D-Link HSPA+DataCard Diagnostics Interface (also ppp modem)
MI_03 D-Link HSPA+DataCard NMEA Device
MI_04 D-Link HSPA+DataCard Speech Port
MI_05 D-Link HSPA+DataCard Debug Port
MI_06 USB Mass Storage Device
Signed-off-by: Giuseppe Lippolis <[email protected]>
[ johan: add Lars's comment on the interface layout and reword summary ]
Cc: Lars Melin <[email protected]>
Cc: Dan Williams <[email protected]>
Signed-off-by: Johan Hovold <[email protected]>
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The usb_request pointer could be NULL in musb_g_tx(), where the
tracepoint call would trigger the NULL pointer dereference failure when
parsing the members of the usb_request pointer.
Move the tracepoint call to where the usb_request pointer is already
checked to solve the issue.
Fixes: fc78003e5345 ("usb: musb: gadget: add usb-request tracepoints")
Cc: [email protected] # v4.8+
Signed-off-by: Bin Liu <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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musb_start_urb() doesn't check the pass-in parameter if it is NULL. But
in musb_bulk_nak_timeout() the parameter passed to musb_start_urb() is
returned from first_qh(), which could be NULL.
So wrap the musb_start_urb() call here with a if condition check to
avoid the potential NULL pointer dereference.
Fixes: f283862f3b5c ("usb: musb: NAK timeout scheme on bulk TX endpoint")
Cc: [email protected] # v3.7+
Signed-off-by: Bin Liu <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Currently, logical and is being used instead of *bitwise* and.
Fix this by using a proper bitwise and operator.
Addresses-Coverity-ID: 1468455 ("Logical vs. bitwise operator")
Fixes: 64f7c494a3c0 ("typec: tcpm: Add support for sink PPS related messages")
Signed-off-by: Gustavo A. R. Silva <[email protected]>
Acked-by: Adam Thomson <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v4.17-rc3
Not much this time around: A list_del corruption on dwc3_ep_dequeue(),
sparse warning fix also on dwc3, build issues with f_phonet.
Apart from these three, some other minor fixes.
Signed-off-by: Felipe Balbi <[email protected]>
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This resolves the merge issue with drivers/usb/core/hcd.c
Reported-by: Stephen Rothwell <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Trivial fix to spelling mistake in text string
Signed-off-by: Colin Ian King <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
Johan writes:
USB-serial fixes for v4.17-rc3
Here are a few device ids for -rc3, including a new "simple driver".
All have been in linux-next with no reported issues.
Signed-off-by: Johan Hovold <[email protected]>
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gcc thinks it is too smart and gives off a "you might be using this
variable before it is initialized" warning in tcpm_pd_build_request(),
because it can not follow the logic through the tcpm_pd_select_pdo()
call.
So just make gcc quiet by initializing things to 0, to prevent the
myriad of people complaining that we now have a build warning.
Cc: Adam Thomson <[email protected]>
Cc: Heikki Krogerus <[email protected]>
Cc: Guenter Roeck <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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This commit adds sink side support for Get_Status, Status,
Get_PPS_Status and PPS_Status handling. As there's the
potential for a partner to respond with Not_Supported,
handling of this message is also added. Sending of
Not_Supported is added to handle messagescreceived but not
yet handled.
Signed-off-by: Adam Thomson <[email protected]>
Acked-by: Heikki Krogerus <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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This commit adds a power_supply class instance to represent a
PD source's voltage and current properties. This provides an
interface for reading these properties from user-space or other
drivers.
For PPS enabled Sources, this also provides write access to set
the current and voltage and allows for swapping between standard
PDO and PPS APDO.
As this represents a superset of the information provided in the
fusb302 driver, the power_supply instance in that code is removed
as part of this change, so reverting the commit titled
'typec: tcpm: Represent source supply through power_supply class'
Signed-off-by: Adam Thomson <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Reviewed-by: Heikki Krogerus <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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This commit adds code to handle requesting of PPS APDOs. Switching
between standard PDOs and APDOs, and re-requesting an APDO to
modify operating voltage/current will be triggered by an
external call into TCPM.
Signed-off-by: Adam Thomson <[email protected]>
Acked-by: Heikki Krogerus <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Some low-speed and full-speed devices (for example, bluetooth)
do not have time to initialize. For them, ETIMEDOUT is a valid error.
We need to give them another try. Otherwise, they will
never be initialized correctly and in dmesg will be messages
"Bluetooth: hci0 command 0x1002 tx timeout" or similars.
Fixes: 264904ccc33c ("usb: retry reset if a device times out")
Cc: stable <[email protected]>
Signed-off-by: Maxim Moseychuk <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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dwc3_ep_dequeue() waits for completion of End Transfer command using
wait_event_lock_irq(), which will release the dwc3->lock while waiting
and reacquire after completion. This allows a potential race condition
with ep_disable() which also removes all requests from started_list
and pending_list.
The check for NULL r->trb should catch this but currently it exits to
the wrong 'out1' label which calls dwc3_gadget_giveback(). Since its
list entry was already removed, if CONFIG_DEBUG_LIST is enabled a
'list_del corruption' bug is thrown since its next/prev pointers are
already LIST_POISON1/2. If r->trb is NULL it should simply exit to
'out0'.
Fixes: cf3113d893d4 ("usb: dwc3: gadget: properly increment dequeue pointer on ep_dequeue")
Cc: [email protected] # v4.12+
Signed-off-by: Mayank Rana <[email protected]>
Signed-off-by: Jack Pham <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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Fixes the following sparse warning:
drivers/usb/dwc3/gadget.c:169:6: warning:
symbol 'dwc3_gadget_del_and_unmap_request' was not declared. Should it be static?
Signed-off-by: Wei Yongjun <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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Fix to return error code -ENOMEM from the alloc fail error handling
case instead of 0, as done elsewhere in this function.
Fixes: ecd29dabb2ba ("usb: dwc2: pci: Handle error cleanup in probe")
Reviewed-by: Grigor Tovmasyan <[email protected]>
Acked-by: Minas Harutyunyan <[email protected]>
Signed-off-by: Wei Yongjun <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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By clearing NAK status of EP, core will send ZLP
to IN token and assert NAK interrupt relying
on TxFIFO status only.
The WA applies only to core versions from 2.72a
to 4.00a (including both). Also for FS_IOT_1.00a
and HS_IOT_1.00a.
Signed-off-by: Artur Petrosyan <[email protected]>
Signed-off-by: Minas Harutyunyan <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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devm_regulator_get_optional returns -ENODEV if the regulator isn't
there, so if that's the case we have to make sure not to leave -ENODEV
in the regulator pointer.
Also, make sure we return 0 in that case, but correctly propagate any
other errors. Also propagate the error from _dwc2_hcd_start.
Fixes: 531ef5ebea96 ("usb: dwc2: add support for host mode external vbus supply")
Cc: Amelie Delaunay <[email protected]>
Reviewed-by: Amelie Delaunay <[email protected]>
Reviewed-by: Heiko Stuebner <[email protected]>
Reviewed-by: Grigor Tovmasyan <[email protected]>
Tested-by: Heiko Stuebner <[email protected]>
Acked-by: Minas Harutyunyan <[email protected]>
Signed-off-by: Tomeu Vizoso <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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The method ndo_start_xmit() is defined as returning an 'netdev_tx_t',
which is a typedef for an enum type, but the implementation in this
driver returns an 'int'.
Fix this by returning 'netdev_tx_t' in this driver too.
Signed-off-by: Luc Van Oostenryck <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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Since commit 39cee200c23e ("usb: musb: core: call init and shutdown for
the usb phy") the musb USB phy is initialised by musb_core, but the
original initialisation in the dsps-glue init callback was left in
place resulting in two calls to phy init during probe (and similarly,
two shutdowns on remove).
Drop the duplicate phy init and shutdown calls from the dsps glue in
favour of the ones in musb core, which other glue drivers rely on.
Note however that any generic phy is still initialised in the glue init
callback (just as for the other drivers).
Cc: Uwe Kleine-König <[email protected]>
Signed-off-by: Johan Hovold <[email protected]>
Acked-by: Uwe Kleine-König <[email protected]>
Signed-off-by: Bin Liu <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Set the new HCD flag which prevents USB core from trying to manage our
phys.
This is needed to be able to associate the controller platform device
with the glue device device-tree node on the BBB which uses legacy USB
phys. Otherwise, the generic phy lookup in usb_phy_roothub_init() and
thus HCD registration fails repeatedly with -EPROBE_DEFER (see commit
178a0bce05cb ("usb: core: hcd: integrate the PHY wrapper into the HCD
core")).
Note that a related phy-lookup issue was recently worked around in the
phy core by commit b7563e2796f8 ("phy: work around 'phys' references to
usb-nop-xceiv devices"). Something similar may now be needed for other
USB phys, and in particular if we eventually want to let USB core manage
musb generic phys.
Cc: Arnd Bergmann <[email protected]>
Cc: Martin Blumenstingl <[email protected]>
Signed-off-by: Johan Hovold <[email protected]>
Signed-off-by: Bin Liu <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Addresses-Coverity-ID: 1468266 ("Missing break in switch")
Signed-off-by: Gustavo A. R. Silva <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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completion callback
Improve the kerneldoc for usb_ep_queue() to note explicitly that the
request's completion routine will be called if and only if the return
value is 0. The corresponding fact about usb_submit_urb() for the
host-side API has long been documented, and this has always been the
intention for the gadget API. But until now, documentation seems to
have been lacking.
Signed-off-by: Alan Stern <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
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Tegra's EHCI driver has a build dependency on Tegra's PHY driver and
currently Tegra's PHY driver is built only when Tegra's EHCI driver is
built. Add own Kconfig entry for the Tegra's PHY driver so that drivers
other than ehci-tegra (like ChipIdea UDC) could work with ehci-tegra
driver being disabled in kernels config by allowing user to manually
select the PHY driver.
Signed-off-by: Dmitry Osipenko <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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UTMI pads are shared by USB controllers and reset of UTMI pads is shared
with the reset of USB1 controller. Currently reset of UTMI pads is done by
the EHCI driver and ChipIdea UDC works because EHCI driver always happen
to be probed first. Move reset controls from ehci-tegra to tegra-phy in
order to resolve the problem.
Signed-off-by: Dmitry Osipenko <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Tegra's PHY driver has a mix of pr_err() and dev_err(), let's switch to
dev_err() and use common errors message formatting across the driver for
consistency.
Signed-off-by: Dmitry Osipenko <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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This clarifies the license of the code. While here also add an include
guard to the header file.
Fixes: 07dbff0ddbd86c ("usb: core: add a wrapper for the USB PHYs on the HCD")
Suggested-by: Masahiro Yamada <[email protected]>
Signed-off-by: Martin Blumenstingl <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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