Age | Commit message (Collapse) | Author | Files | Lines |
|
into devel-stable
|
|
Current code doesn't really enable the usb clocks so if they're disabled
when booting linux, the kernel/machine will hang as soon as someone is trying
to read a usb register
Signed-off-by: Arnaud Patard <[email protected]>
Signed-off-by: Sascha Hauer <[email protected]>
|
|
into imx-for-2.6.38-new
|
|
A race exists when initializing ueagle-atm devices where the generic atm
device may not yet be created before the driver attempts to initialize
it's PHY signal state, which checks whether the atm device has been
created or not. This often causes the sysfs 'carrier' attribute to be
'1' even though no signal has actually been found.
uea_probe
usbatm_usb_probe
driver->bind (uea_bind)
uea_boot
kthread_run(uea_kthread) uea_kthread
usbatm_atm_init uea_start_reset
atm_dev_register UPDATE_ATM_SIGNAL
UPDATE_ATM_SIGNAL checks whether the ATM device has been created and if
not, will not update the PHY signal state. Because of the race that
does not always happen in time, and the PHY signal state remains
ATM_PHY_SIG_FOUND even though no signal exists.
To fix the race, just create the kthread during initialization, and only
after initialization is complete, start the thread that reboots the
device and initializes PHY state.
[ 3030.490931] uea_probe: calling usbatm_usb_probe
[ 3030.490946] ueagle-atm 8-2:1.0: usbatm_usb_probe: trying driver ueagle-atm with vendor=1110, product=9031, ifnum 0
[ 3030.493691] uea_bind: setting usbatm
[ 3030.496932] usb 8-2: [ueagle-atm] using iso mode
[ 3030.497283] ueagle-atm 8-2:1.0: usbatm_usb_probe: using 3021 byte buffer for rx channel 0xffff880125953508
<kthread already started before usbatm_usb_probe() has returned>
[ 3030.497292] usb 8-2: [ueagle-atm] (re)booting started
<UPDATE_ATM_SIGNAL checks whether ATM device has been created yet before setting PHY state>
[ 3030.497298] uea_start_reset: atm dev (null)
<and since it hasn't been created yet PHY state is not set>
[ 3030.497306] ueagle-atm 8-2:1.0: usbatm_usb_probe: using 3392 byte buffer for tx channel 0xffff8801259535b8
[ 3030.497374] usbatm_usb_probe: about to init
[ 3030.497379] usbatm_usb_probe: calling usbatm_atm_init
<atm device finally gets created>
[ 3030.497384] usbatm_atm_init: creating atm device!
Signed-off-by: Dan Williams <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
|
|
flush_scheduled_work() is being deprecated. Directly flush or cancel
work items instead.
* u_ether, isp1301_omap, speedtch conversions are straight-forward.
* ochi-hcd should only flush when quirk_nec() is true as otherwise the
work wouldn't have been initialized.
* In oti6858, cancel_delayed_work() + flush_scheduled_work() ->
cancel_delayed_work_sync().
Signed-off-by: Tejun Heo <[email protected]>
Acked-by: Greg Kroah-Hartman <[email protected]>
Cc: David Brownell <[email protected]>
Cc: Duncan Sands <[email protected]>
Cc: [email protected]
|
|
speedtch directly uses the internal timer and work members of a struct
delayed_work. Use a separate work item and timer instead.
* Nicolas Kaiser discovered that timer init was missing. Fixed.
Signed-off-by: Tejun Heo <[email protected]>
Acked-by: Greg Kroah-Hartman <[email protected]>
Tested-by: Nicolas Kaiser <[email protected]>
Cc: Duncan Sands <[email protected]>
Cc: [email protected]
|
|
The device power.status field is too complicated for its purpose
(storing the information about whether or not the device is in the
"active" state from the PM core's point of view), so replace it with
a bit field and modify all of its users accordingly.
Signed-off-by: Rafael J. Wysocki <[email protected]>
|
|
This is to resolve the conflict in the file,
drivers/usb/gadget/composite.c that was due to a revert in Linus's tree
needed for the 2.6.37 release.
Reported-by: Stephen Rothwell <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
Conflicts:
MAINTAINERS
arch/arm/mach-omap2/pm24xx.c
drivers/scsi/bfa/bfa_fcpim.c
Needed to update to apply fixes for which the old branch was too
outdated.
|
|
So far the USBLED driver only supports Delcom's "USB Visual Signal
Indicator" (http://www.delcomproducts.com/products_USBLMP.asp). The
driver generates virtual files "red", "green", and "blue" under the
device's /sys/ directory, where color values can be read from and
written to.
This patch adds support for Dream Cheeky's "DL100B Webmail Notifier"
(http://www.dreamcheeky.com/webmail-notifier -- available from several
shops, such as http://www.conrad.at/ce/de/product/777048/USB-WEBMAIL).
This device isn't as pretty as Delcom's, but it's *far* cheaper, and
its 3 LEDs can be set in 32 brightness steps each. The grey envelope
contour can easily be removed, leaving a rather neutral white box (with
a few small holes), which is useful for generic signalling purposes.
Of course, the small circuit board can easily be put into a prettier
case.
The DL100B device pretends to be a HID, but the HID descriptor shows
that it's not overly useful as such (see below). The patch therefore
removes the "HID-ness" (hid-core.c, hid-ids.h), and adds the necessary
commands to usbled.c. The protocol info comes from the developer's
manual that Dream Cheeky kindly provided (815DeveloperManual.pdf).
HID descriptor:
0: 05 01 Usage Page 'Generic Desktop Controls'
2: 09 10 Usage 'Reserved'
4: a1 01 Collection 'Application (mouse, keyboard)'
6: 05 00 Usage Page 'Undefined'
8: 19 10 Usage Minimum = 16
10: 29 11 Usage Maximum = 17
12: 15 00 Logical Minimum = 0
14: 25 0f Logical Maximum = 15
16: 75 08 Report Size = 8
18: 95 08 Report Count = 8
20: 91 02 Output data *var abs lin pref-state null-pos non-vol bit-field
22: 19 10 Usage Minimum = 16
24: 29 11 Usage Maximum = 17
26: 15 00 Logical Minimum = 0
28: 25 0f Logical Maximum = 15
30: 75 08 Report Size = 8
32: 95 08 Report Count = 8
34: 81 00 Input data array abs lin pref-state null-pos non-vol bit-field
36: c0 End Collection
Signed-off-by: Melchior FRANZ <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6:
Revert "USB: gadget: Allow function access to device ID data during bind()"
USB: misc: uss720.c: add another vendor/product ID
USB: usb-storage: unusual_devs entry for the Samsung YP-CP3
USB: gadget: Remove suspended sysfs file before freeing cdev
USB: core: Add input prompt and help text for USB_OTG config
USB: ftdi_sio: Add D.O.Tec PID
xhci: Fix issue with port array setup and buggy hosts.
|
|
This reverts commit 1ab83238740ff1e1773d5c13ecac43c60cf4aec4.
Turns out this doesn't allow for the device ids to be overridden
properly, so we need to revert the thing.
Reported-by: Jef Driesen <[email protected]>
Cc: Robert Lukassen <[email protected]>
Cc: stable <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
Fabio Battaglia report that he has another cable that works with this
driver, so this patch adds its vendor/product ID.
Signed-off-by: Thomas Sailer <[email protected]>
Cc: stable <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
Add an unusual_devs entry for the Samsung YP-CP3 MP4 player.
User was getting the following errors in dmesg:
usb 2-6: reset high speed USB device using ehci_hcd and address 2
usb 2-6: reset high speed USB device using ehci_hcd and address 2
usb 2-6: reset high speed USB device using ehci_hcd and address 2
usb 2-6: USB disconnect, address 2
sd 3:0:0:0: [sdb] Assuming drive cache: write through
sdb:<2>ldm_validate_partition_table(): Disk read failed.
Dev sdb: unable to read RDB block 0
unable to read partition table
Signed-off-by: Vitaly Kuznetsov <[email protected]>
Acked-by: Alan Stern <[email protected]>
CC: Matthew Dharm <[email protected]>
CC: [email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
cdev struct is accessed in suspended sysfs show function. So
remove sysfs file before freeing the cdev in composite_unbind.
Signed-off-by: Pavankumar Kondeti <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
bd6882 commit (usb: gadget: fix Kconfig warning) removes
the duplicate USB_OTG config from gadget/Kconfig. But
does not copy the input prompt and help text to the original
config defined in core/Kconfig. Add them now.
Signed-off-by: Pavankumar Kondeti <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
Willem-Jan noticed that the ftdi_sio driver did not support the
TIOCSERGETLSR ioctl, and some userspace programs rely on it. This patch
adds the support.
Reported-by: Willem-Jan de Hoog <[email protected]>
Tested-by: Willem-Jan de Hoog <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
In order to read/write to the i.MX OTG viewport register it is necessary to setup
the PORTSCx register first.
By default i.MX OTG port is configured for USB serial PHY. In order to use a ULPI PHY
the PORTSCx register needs to be configured properly.
commit 724c852 (USB: ehci/mxc: compile fix) placed the PORTSC setup after the OTG
viewport is accessed and this causes ULPI read/write to fail.
Revert the PORTSC setup order.
Tested on a MX31PDK board with a ISP1504 transceiver:
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
mxc-ehci mxc-ehci.0: initializing i.MX USB Controller
ULPI transceiver vendor/product ID 0x04cc/0x1504
Found NXP ISP1504 ULPI transceiver.
ULPI integrity check: passed.
Signed-off-by: Fabio Estevam <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
Add a free_irq() call on vbus gpio when we remove udc so that the
vbus irq is properly released.
Signed-off-by: Rob Emanuele <[email protected]>
Signed-off-by: Nicolas Ferre <[email protected]>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
The TLL channel enable code searches for the wrong mask, and
could end up enabling the wrong port. Fix this.
Signed-off-by: Anand Gadiyar <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
This is the ohci-omap3 driver, not ehci-omap. Correct this
obvious typo.
Signed-off-by: Keshava Munegowda <[email protected]>
Signed-off-by: Anand Gadiyar <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
Page size for transaction descriptors for CI13XXX has nothing
common with page size from MM. Using platform and configuration
specific PAGE_SIZE is wrong.
Signed-off-by: Artem Leonenko <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
CI13xxx UDC driver doesn't call complete() callback for requests
with flag no_interrupt set. Thus gadget drivers (like g_ether) are
never notifed about successfully (or not) transmitted requests. As
a result in case of g_ether and queued request with no_interrupt=1
fields g_ether is never notifed about sent packets and TX stalls.
Solution: treat no_interrupt flag like all other UDC drivers do and
call complete() callback for all requests.
Signed-off-by: Artem Leonenko <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
There is one nasty scenario when CI13xxx driver fails:
a) two or more rx requests are queued (g_ether does that)
b) rx request completed, interrupt fires and ci13xxx dequeues rq
c) request complete() callback gets called and in turn it calls ep_queue()
c1) in ep_queue() request gets added to the TAIL of the rx queue list
d) ep gets primed with rq from (b)
e) interrupt fires
f) request gets popped from queue head for hw dequeue
G) requets from queue head wasn't enqueued
g1) isr_tr_complete_low() doesn't
enqueue more requests and it doesn't prime EP,
rx traffic stalls
Solution:
a) enque queued requests ASAP, i.e. before calling complete() callback.
b) don't HW enqueue and prime endpoint with recently added request and
use the oldest request in the queue.
Fixed issues:
a) ep_queue() may return an error code despite request was successfully
added to the queue (if _hardware_enqueue() fails)
b) Added requests are always processed in LIFO order, even if they are
added in complete() callback
c) Finally more than two and more queued requests are processed consistently,
even if they were added in complete() callback
The fix was successfully tested on MIPS based SoC with 4KEc CPU core and
CI13612 USB core. Board successfully boots with NFS root using g_ether
on ci13xxx udc.
Signed-off-by: Artem Leonenko <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
Built-in gadget drivers have NULL-ifed unbind() function. Checking
whether unbind() is NULL will never let any compiled into kernel
driver attach.
Signed-off-by: Artem Leonenko <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
* usb-next: (132 commits)
USB: uas: Use GFP_NOIO instead of GFP_KERNEL in I/O submission path
USB: uas: Ensure we only bind to a UAS interface
USB: uas: Rename sense pipe and sense urb to status pipe and status urb
USB: uas: Use kzalloc instead of kmalloc
USB: uas: Fix up the Sense IU
usb: musb: core: kill unneeded #include's
DA8xx: assign name to MUSB IRQ resource
usb: gadget: g_ncm added
usb: gadget: f_ncm.c added
usb: gadget: u_ether: prepare for NCM
usb: pch_udc: Fix setup transfers with data out
usb: pch_udc: Fix compile error, warnings and checkpatch warnings
usb: add ab8500 usb transceiver driver
USB: gadget: Implement runtime PM for MSM bus glue driver
USB: gadget: Implement runtime PM for ci13xxx gadget
USB: gadget: Add USB controller driver for MSM SoC
USB: gadget: Introduce ci13xxx_udc_driver struct
USB: gadget: Initialize ci13xxx gadget device's coherent DMA mask
USB: gadget: Fix "scheduling while atomic" bugs in ci13xxx_udc
USB: gadget: Separate out PCI bus code from ci13xxx_udc
...
|
|
This reverts commit 32d5dc9520f0c6f60f691dd478741c774e292406.
Needed to properly merge the musb changes that are in the
usb-next branch into Linus's tree.
Acked-by: Felipe Balbi <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
This reverts commit 1e393c6eece048052d4131ec4dad3b98e35a98e2.
Needed to properly merge the musb changes that are in the
usb-next branch into Linus's tree.
Acked-by: Felipe Balbi <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
If swap is on a UAS device, we could recurse into the driver by using
GFP_KERNEL. Using GFP_NOIO ensures we won't.
Reported-by: James Bottomley <[email protected]>
Signed-off-by: Matthew Wilcox <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
While all existing UAS devices use alternate interface 1, this is not
guaranteed, and it has caused confusion with people trying to bind the
uas driver to non-uas devices.
Signed-off-by: Matthew Wilcox <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
The spec calls this the status pipe. While it is used to receive sense IUs,
it is also used to receive other IUs, so this can be confusing.
Reported-by: Luben Tuikov <[email protected]>
Signed-off-by: Matthew Wilcox <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
The IUs are not being fully initialised by the driver (due to the reserved
space). Since we should be zeroing reserved fields, use kzalloc to do
it for us.
Reported-by: Luben Tuikov <[email protected]>
Signed-off-by: Matthew Wilcox <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
Add a comment to the Sense IU data structure that it's also used for Read
Ready and Write Ready. Remove the 'service response' element since it's
gone from the current draft (04).
Signed-off-by: Matthew Wilcox <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
* 'musb-hw' of git://gitorious.org/usb/usb: (43 commits)
usb: musb: core: kill unneeded #include's
DA8xx: assign name to MUSB IRQ resource
arm: OMAP4430: musb: Configure musb to OTG mode
usb: musb: Adding musb support for OMAP4430
usb: otg: TWL6030: Add twl6030_usb file for compilation
mfd: TWL6030: OMAP4: Registering the TWL6030-usb device
usb: musb: TWL6030: Selecting TWL6030_USB transceiver
usb: otg: Kconfig: Add Kconfig option for TWL6030 transceiver.
usb: otg: Adding twl6030-usb transceiver driver for OMAP4430
mfd: TWL6030: USBOTG VBUS event generation on
usb: musb: add support for ux500 platform
musb: am35x: fix compile error due to control apis
arm: omap4: enable usb on 4430sdp
usb: musb: drop board_set_vbus
usb: musb: drop musb_platform_suspend/resume
usb: musb: blackfin: usb dev_pm_ops structure
usb: musb: am35x: usb dev_pm_ops structure
usb: musb: omap2430: use dev_pm_ops structure
usb: musb: omap2430: drop the nops
usb: musb: mark musb_save/restore_context static
...
|
|
cancel_delayed_work_sync()
cancel_rearming_delayed_work[queue]() has been superceded by
cancel_delayed_work_sync() quite some time ago. Convert all the
in-kernel users. The conversions are completely equivalent and
trivial.
Signed-off-by: Tejun Heo <[email protected]>
Acked-by: "David S. Miller" <[email protected]>
Acked-by: Greg Kroah-Hartman <[email protected]>
Acked-by: Evgeniy Polyakov <[email protected]>
Cc: Jeff Garzik <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Mauro Carvalho Chehab <[email protected]>
Cc: [email protected]
Cc: Anton Vorontsov <[email protected]>
Cc: David Woodhouse <[email protected]>
Cc: "J. Bruce Fields" <[email protected]>
Cc: Neil Brown <[email protected]>
Cc: Alex Elder <[email protected]>
Cc: [email protected]
Cc: Christoph Lameter <[email protected]>
Cc: Pekka Enberg <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: [email protected]
Cc: Trond Myklebust <[email protected]>
Cc: [email protected]
|
|
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (75 commits)
pppoe.c: Fix kernel panic caused by __pppoe_xmit
WAN: Fix a TX IRQ causing BUG() in PC300 and PCI200SYN drivers.
bnx2x: Advance a version number to 1.60.01-0
bnx2x: Fixed a compilation warning
bnx2x: LSO code was broken on BE platforms
qlge: Fix deadlock when cancelling worker.
net: fix skb_defer_rx_timestamp()
cxgb4vf: Ingress Queue Entry Size needs to be 64 bytes
phy: add the IC+ IP1001 driver
atm: correct sysfs 'device' link creation and parent relationships
MAINTAINERS: remove me from tulip
SCTP: Fix SCTP_SET_PEER_PRIMARY_ADDR to accpet v4mapped address
enic: Bug Fix: Pass napi reference to the isr that services receive queue
ipv6: fix nl group when advertising a new link
connector: add module alias
net: Document the kernel_recvmsg() function
r8169: Fix runtime power management
hso: IP checksuming doesn't work on GE0301 option cards
xfrm: Fix xfrm_state_migrate leak
net: Convert netpoll blocking api in bonding driver to be a counter
...
|
|
musb_core.c #include's a bunch of ARM and DaVinci specific headers, goodness
knows why -- it happily compiles without them...
Signed-off-by: Sergei Shtylyov <[email protected]>
Signed-off-by: Felipe Balbi <[email protected]>
|
|
The ATM subsystem was incorrectly creating the 'device' link for ATM
nodes in sysfs. This led to incorrect device/parent relationships
exposed by sysfs and udev. Instead of rolling the 'device' link by hand
in the generic ATM code, pass each ATM driver's bus device down to the
sysfs code and let sysfs do this stuff correctly.
Signed-off-by: Dan Williams <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
|
|
This patches makes possible to use composite framework and f_ncm
NCM function driver to build a standalone NCM gadget device.
Signed-off-by: Yauheni Kaliuta <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
Initial submittion of NCM link function driver.
The driver's logic is based on f_ecm driver and does not
use most of the NCM advantages like frame grouping and alignment.
Signed-off-by: Yauheni Kaliuta <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
NCM is a Network Control Model, subclass of USB CDC class,
specification is available at http://www.usb.org/developers/devclass_docs
This patch makes possible for u_ether to use multiply of wMaxPacketSize
predefined size transfers without ZLP (Zero Length Packet), required
by NCM spec.
Signed-off-by: Yauheni Kaliuta <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
This patch fixes an issue where the driver does not handle out data in
setup transactions.
The per endpoint cached status register is cleared in the
pch_udc_svc_control_out function. When there is out data available the
function pch_udc_svc_data_out is called which tries to pick it up the
status, which now is cleared to 0. When the status is 0, the function
doesn't start reading the data from the FIFO.
There is a second bug in all this, pch_udc_svc_data_out takes the
endpoint number (0 for EP0), while pch_udc_svc_control_out passes the
endpoint index (1 for EP0). Effectively pch_udc_svc_data_out picks up
the wrong internal ep structure.
This patch makes sure to put back the cached status and pass the
endpoint number rather than index when calling pch_udc_svc_data_out.
Signed-off-by: Richard Röjfors <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
Building pch_udc in linux-next fails, this patch fixes the a compile
error:
drivers/usb/gadget/pch_udc.c: In function ‘usb_gadget_register_driver’:
drivers/usb/gadget/pch_udc.c:2645: error: ‘struct usb_gadget_driver’ has no member named ‘bind’
drivers/usb/gadget/pch_udc.c:2664: error: ‘struct usb_gadget_driver’ has no member named ‘bind’
And a couple of compiler warnings and checkpatch warnings.
Signed-off-by: Richard Röjfors <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
Basic driver for ab8500 usb otg transceiver
TODO:
-Regulators support
-Host and OTG testing
-Interface with PRCMU
-Charging support
Signed-off-by: Mian Yousaf Kaukab <[email protected]>
Acked-by: Linus Walleij <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
OTG driver takes care of putting hardware in low power mode. Hence
not registered for any runtime PM callbacks.
Signed-off-by: Pavankumar Kondeti <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
The actual suspend/resume work is delegated to bus glue driver, which
is responsible for putting hardware in low power mode.
Signed-off-by: Pavankumar Kondeti <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
MSM SoC has chipidea USB controller. So use ci13xxx_udc core.
This driver depends on transceiver driver for clock control,
PHY initialization, VBUS detection. Register for notify_event
callback to perform MSM specific quirks after controller is reset
and stopped.
Signed-off-by: Pavankumar Kondeti <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
Introduces ci13xxx_udc_driver struct for bus glue drivers to hint
ci13xxx_udc core about their special requirements. The flags include
avoiding hardware register access when controller is not in peripheral
mode, enabling pull-up upon VBUS, disabling streaming mode and dependency
on transceiver driver.
Initialize gadget_ops in udc_probe so that transceiver can notify VBUS
presence even when no gadget driver is bounded.
A notify_event callback is embedded in the same struct. This patch implements
two events called CONTROLLER_RESET_EVENT and CONTROLLER_STOPPED_EVENT to
notify the bus glue driver after resetting and stopping the controller for
performing SoC specific quirks.
Signed-off-by: Pavankumar Kondeti <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
dma_alloc_coherent() which is internally called by dma_pool_alloc()
flags a warning if device's coherent DMA mask. Hence initialize
gadget device's coherent DMA mask to it's parent mask.
Signed-off-by: Pavankumar Kondeti <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|
|
dma_pool_alloc() require sleeping context when called with GFP_KERNEL
argument. Hence release the spin lock before calling dma_pool_alloc().
usb_ep_alloc_request can also be called with non-atomic GFP flags. Hence
get rid off spin lock while allocation request memory.
Use GFP_ATOMIC flag for allocating request for ep0 in interrupt handler.
Signed-off-by: Pavankumar Kondeti <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
|