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Commit 09ba0def (USB: fsl_udc_core: prepare for SoCs with
BE registers and descriptors) introduced build breakage
on ARM arch. Fix it by setting accessors using a static
inline function which is a nop when compiling the driver
for ARM arch.
Commit 2ea6698 (USB: fsl_udc_core: support device mode of
MPC5121E DR USB Controller) caused another breakage on ARM
by using flush_dcache_range(). Don't use it, convert to the
DMA API usage instead. USB2.0CV Halt Endpoint Test succeeds
on PPC. Tested both on ARM i.MX31 and mpc5121 PPC, also with
CONFIG_DMA_API_DEBUG enabled.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as1468) changes the Kconfig definition for
USB_GADGET_DUALSPEED. This option is determined entirely by which
device controller drivers are to be built, through Select statements;
it does not need to be (and should not be) configurable by the user.
Also, the "default n" line is superfluous -- everything defaults to N.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Like with other host controllers capable of operating at both high
speed and full speed, we need to indicate that the emulated controller
presented by dummy-hcd has this ability. Otherwise usbcore will not
accept full-speed gadgets under dummy-hcd. This patch (as1469) sets
the appropriate has_tt flag.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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I doubt the clock is optional. In case it is it should not return with
an error code because we leak everything.
Cc: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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this is more backwords than it has to be.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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|drivers/usb/gadget/mv_udc_core.c:2108: error: label `error' used but not defined
This seems to be broken since the initial commit. I changed this to a
simple return. The other user is the probe code which lets ->probe()
fail on error here.
|drivers/usb/gadget/mv_udc_core.c:2107: warning: passing argument 1 of `dev_err' from incompatible pointer type
|drivers/usb/gadget/mv_udc_core.c:2118: warning: initialization from incompatible pointer type
|drivers/usb/gadget/mv_udc_core.c:2119: warning: initialization from incompatible pointer type
|drivers/usb/gadget/mv_udc_core.c:2130: error: initializer element is not constant
|drivers/usb/gadget/mv_udc_core.c:2130: error: (near initialization for `udc_driver.driver.pm')
Cc: Chao Xie <chao.xie@marvell.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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drivers/usb/gadget/at91_udc.c: In function 'write_fifo':
drivers/usb/gadget/at91_udc.c:421:2: error: implicit declaration of function 'prefetch'
make[3]: *** [drivers/usb/gadget/at91_udc.o] Error 1
make[2]: *** [drivers/usb/gadget] Error 2
make[2]: *** Waiting for unfinished jobs....
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Currently the s3c-hsotg driver is extremely chatty, producing voluminous
with large register dumps even in default operation. Tone this down so
we're not chatty unless DEBUG is defined.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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ep_write() acquires data->lock mutex in get_ready_ep() and releases it
on all paths except for one: when usb_endpoint_xfer_isoc() failed. The
patch adds mutex_unlock(&data->lock) at that path.
It is similar to commit 00cc7a5 ("usb-gadget: unlock data->lock mutex on error path in ep_read()"),
it was not fixed at that time by accident.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (205 commits)
USB: EHCI: Remove SPARC_LEON {read,write}_be definitions from ehci.h
USB: UHCI: Support big endian GRUSBHC HC
sparc: add {read,write}*_be routines
USB: UHCI: Add support for big endian descriptors
USB: UHCI: Use ACCESS_ONCE rather than using a full compiler barrier
USB: UHCI: Add support for big endian mmio
usb-storage: Correct adjust_quirks to include latest flags
usb/isp1760: Fix possible unlink problems
usb/isp1760: Move function isp1760_endpoint_disable() within file.
USB: remove remaining usages of hcd->state from usbcore and fix regression
usb: musb: ux500: add configuration and build options for ux500 dma
usb: musb: ux500: add dma glue layer for ux500
usb: musb: ux500: add dma name for ux500
usb: musb: ux500: add ux500 specific code for gadget side
usb: musb: fix compile error
usb-storage: fix up the unusual_realtek device list
USB: gadget: f_audio: Fix invalid dereference of initdata
EHCI: don't rescan interrupt QHs needlessly
OHCI: fix regression caused by nVidia shutdown workaround
USB: OTG: msm: Free VCCCX regulator even if we can't set the voltage
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (39 commits)
b43: fix comment typo reqest -> request
Haavard Skinnemoen has left Atmel
cris: typo in mach-fs Makefile
Kconfig: fix copy/paste-ism for dell-wmi-aio driver
doc: timers-howto: fix a typo ("unsgined")
perf: Only include annotate.h once in tools/perf/util/ui/browsers/annotate.c
md, raid5: Fix spelling error in comment ('Ofcourse' --> 'Of course').
treewide: fix a few typos in comments
regulator: change debug statement be consistent with the style of the rest
Revert "arm: mach-u300/gpio: Fix mem_region resource size miscalculations"
audit: acquire creds selectively to reduce atomic op overhead
rtlwifi: don't touch with treewide double semicolon removal
treewide: cleanup continuations and remove logging message whitespace
ath9k_hw: don't touch with treewide double semicolon removal
include/linux/leds-regulator.h: fix syntax in example code
tty: fix typo in descripton of tty_termios_encode_baud_rate
xtensa: remove obsolete BKL kernel option from defconfig
m68k: fix comment typo 'occcured'
arch:Kconfig.locks Remove unused config option.
treewide: remove extra semicolons
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Commit e66eed651fd1 ("list: remove prefetching from regular list
iterators") removed the include of prefetch.h from list.h, which
uncovered several cases that had apparently relied on that rather
obscure header file dependency.
So this fixes things up a bit, using
grep -L linux/prefetch.h $(git grep -l '[^a-z_]prefetchw*(' -- '*.[ch]')
grep -L 'prefetchw*(' $(git grep -l 'linux/prefetch.h' -- '*.[ch]')
to guide us in finding files that either need <linux/prefetch.h>
inclusion, or have it despite not needing it.
There are more of them around (mostly network drivers), but this gets
many core ones.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Haavard's e-mail address at Atmel is no longer valid.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Havard Skinnemoen <hskinnemoen@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Commit b826291c, "drivercore/dt: add a match table pointer to struct
device" added an of_match pointer to struct device to cache the
of_match_table entry discovered at driver match time. This was unsafe
because matching is not an atomic operation with probing a driver. If
two or more drivers are attempted to be matched to a driver at the
same time, then the cached matching entry pointer could get
overwritten.
This patch reverts the of_match cache pointer and reworks all users to
call of_match_device() directly instead.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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as_out_ep_desc contines to be used during gadget enumeration and thus
should not be marked as __initdata
Signed-off-by: Martin Jackson <mjackson220.list@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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composite.c always sets req->length to zero
and expects function driver's setup handlers
to return the amount of bytes to be used
on req->length. If we test against req->length
w_length will always be greater than req->length
thus making us always stall that particular
SEND_ENCAPSULATED_COMMAND request.
Tested against a Windows XP SP3.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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on 9g20 they are the same as the 9260
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Return PTR_ERR(hsotg->clk) instead of -EINVAL if clk_get fails
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch fixes the checkpatch warnings listed below:
WARNING: braces {} are not necessary for any arm of this statement
WARNING: please, no space before tabs
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch fixes the checkpatch error and warning listed below:
ERROR: code indent should use tabs where possible
WARNING: please, no spaces at the start of a line
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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clk_get() returns ERR_PTR() on error, not NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The Samsung's S3C2416, S3C2443 and S3C2450 includes a USB High-Speed
device controller module. This driver enables support for USB high-speed
gadget functionality for the Samsung S3C24xx SoC's that include this
controller.
Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Alexander Neumann <alexander@bumpern.de>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Comparing an unsigned integer with greater than or equal to zero is
always true. So, it is safe to remove similar checks from
'f_mass_storage.c' and 'file_storage.c'
Signed-off-by: Maxin B. John <maxin.john@gmail.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Defer the SET_CONFIG and SET_INTERFACE control transfer's data/status
stages till we are ready to process new CBW from the host. This way we
ensure that we don't loose any CBW during MSC compliance tests and cause
lock up.
Signed-off-by: Roger Quadros <roger.quadros@nokia.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Some USB function drivers (e.g. f_mass_storage.c) need to delay or defer the
data/status stages of standard control requests like SET_CONFIGURATION or
SET_INTERFACE till they are done with their bookkeeping and are actually ready
for accepting new commands to their interface.
They can now achieve this functionality by returning USB_GADGET_DELAYED_STATUS
in their setup handlers (e.g. set_alt()). The composite framework will then
defer completion of the control transfer by not completing the data/status stages.
This ensures that the host does not send new packets to the interface till the
function driver is ready to take them.
When the function driver that requested for USB_GADGET_DELAYED_STATUS is done
with its bookkeeping, it should signal the composite framework to continue with
the data/status stages of the control transfer. It can do so by invoking
the new API usb_composite_setup_continue(). This is where the control transfer's
data/status stages are completed and host can initiate new transfers.
The DELAYED_STATUS mechanism is currently only supported if the expected data phase
is 0 bytes (i.e. w_length == 0). Since SET_CONFIGURATION and SET_INTERFACE are the
only cases that will use this mechanism, this is not a limitation.
Signed-off-by: Roger Quadros <roger.quadros@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Implement good battery algorithm defined in the battery charging V1.2 spec
for detecting different charging ports. USB hardware is put into low power
mode when connected to a dedicated charging port. vbus_draw and set_power
methods are implemented for determining the allowed current from Host in
different states (un-configured/suspend/configured).
The charger block is implemented using vendor specific registers and the
PHY used in MSM8960(28nm PHY) different from older targets like MSM8x60
and MSM7x30(45nm PHY). The PHY vendor and product id registers are not
implemented in the above chipsets. Hence PHY type is passed via platform
data.
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Though USB controller works without this most of the time, an issue was faced
where USB was configured as printer device and it was dropping first
packet(64 bytes) in full speed mode due to DATA PID mismatch.
The problem gets resolved once unused endpoints are configured as bulk.
As per P1020 RM (Table17-31, bits 19-18, bits 3-2) "When only one endpoint
(RX or TX, but not both) of an endpoint pair is used, the unused endpoint
should be configured as a bulk type endpoint." So according to the RM,
this patch is initializing TX and RX endpoints as bulk type
Signed-off-by: Suchit Lepcha <Suchit.Lepcha@freescale.com>
Signed-off-by: Ramneek Mehresh <ramneek.mehresh@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Some of the simulators may cache the ep0 maxpacket size to zero
if the ep0 dQh is not setup before enabling the pullup. Hence
Setup ep0 and initialize the dQh fields once while registering the
gadget(before enabling the pullup).
HSUSB Chipidea link controller spec says ep0 is enabled always
in the HW. Hence disabling and enabling the ep0 as a part of
reset interrupt is unneccesary.
Remove the disable/enable ep0 logic from reset interrupt handling.
Signed-off-by: Anji jonnala <anjir@codeaurora.org>
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The current code queue the control OUT data request to ep0in instead of
ep0out. Check ep0_dir and use the correct control endpoint.
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The OUT endpoints are stored in 0 - hw_ep_max/2 and IN endpoints are
stored from hw_ep_max/2 - hw_ep_max in ci13xxx_ep array. Retrieve
the IN endpoint correctly while processing endpoint feature requests.
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Anton Tikhomirov <av.tikhomirov@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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When File Storage gadget receives SET CONFIGURATION request it tries
to cancel all pending transfers. If some request is in progress,
gadget waits for its completion. This commit allows gadget to dequeue
invalid requests in progress left after reset.
Signed-off-by: Anton Tikhomirov <av.tikhomirov@samsung.com>
Reviewed-by: Kyoungil Kim<ki0351.kim@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The following should be done for requests after endpoint stall
condition is cleared:
1) 'in progress' request (if any) should be completed since
Tx FIFO was flushed;
2) next request from queue (if any) should be started.
This commit does that.
Additionally set/clear stall condition code is fixed.
Signed-off-by: Anton Tikhomirov <av.tikhomirov@samsung.com>
Reviewed-by: Kyoungil Kim<ki0351.kim@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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UDC driver does not need to generate reply to host if request is
delivered to gadget. This is gadget's responsibility. This commit
fixes that.
Signed-off-by: Anton Tikhomirov <av.tikhomirov@samsung.com>
Reviewed-by: Kyoungil Kim<ki0351.kim@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This commit does the following:
1) clears all pending interrupts before unmasking;
2) clears interrupts as soon as possible to avoid missing
next coming that may occur during handling;
3) removes ineffective interrupt cleaning code.
Signed-off-by: Anton Tikhomirov <av.tikhomirov@samsung.com>
Reviewed-by: Kyoungil Kim<ki0351.kim@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch fixes code responsible for core reset.
Signed-off-by: Anton Tikhomirov <av.tikhomirov@samsung.com>
Reviewed-by: Kyoungil Kim<ki0351.kim@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Anatolij Gustschin <agust@denx.de>
Cc: Li Yang <leoli@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Extend the FSL UDC driver to support MPC5121E DR USB Controller
operation in device mode. Add MPC5121E specific init/uninit
at probe and remove and isolate system interface register accesses
when running on MPC5121E SoC, as these registers are not available
on this platform. This patch relies on previous patch for supporting
big endian registers and descriptors access in the FSL UDC driver.
Additionally support endpoint FIFO status operation by providing
appropriate callback in endpoint ops structure.
Also flush cache for the req buffer used for GetStatus reply.
Without this, the correct reply to an endpoint GetStatus
is written to 'req', but doesn't make it out to the USB bus
since the buffer hasn't been flushed. This would cause the
USBCV Halt Endpoint test to fail (according to changelog in
Freescale LTIB driver code).
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Cc: Li Yang <leoli@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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On some SoCs, the USB controller registers and descriptors can be big
or little endian, depending on the version of the chip. In order to be
able to run the same kernel binary on different versions of an SoC, the
BE/LE decision must be made at run time. Provide appropriate register
and descriptor accessors which are configurable at run time using the
configuration flags from fsl_usb2_platform_data data structure.
This is in preparation for adding support for MPC5121E DR USB2 Controller
to the FSL UDC driver.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Cc: Li Yang <leoli@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This commit fixes an embarrassing bug in the "storage_common:
use kstrto*()" patch which caused fsg_store_ro() to return
zero instead of the length of the consumed buffer.
Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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the_controller is allocated in dummy_hcd_probe() and is NULL if the
allocation failed. The probe function of the udc driver is dereferencing
this pointer and fault.
Alan Stern suggested to abort the dummy_hcd driver probing so the module
is not loaded. The is abort-on-error has been also added to the udc
driver.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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g_printer reqiured "set interface" request from host. Not all hosts send
this request. This patch enable the interface when it get "set
configuration" request from host.
Signed-off-by: Jonas Andersson <jonas@microbit.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Stripping the direction bit off will produce an
invalid descriptor.
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The current code doesn't set it, so linux complains about
it when connected, and ignores the device:
[104611.068082] usb 1-5: new high speed USB device using ehci_hcd and address 127
[104611.088368] usb 1-5: Invalid ep0 maxpacket: 0
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Current code returns 0 even if it can't handle the request.
This leads to timeouts when an unhandled request is sent:
Bus 001 Device 003: ID 0525:c0de Netchip Technology, Inc.
Device Descriptor:
[..]
can't get device qualifier: Connection timed out
[..]
change the code to return EOPNOTSUPP in such cases.
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This is needed to help resolve some xhci issues and other minor
differences.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This reverts commit 806e8f8fcc27e1753947bd9f059ba2316cf8f92a.
To quote Alan Stern:
The necessity for this patch has been under discussion.
It turns out the UDC that Mian has been working on and Felipe's
UDC have contradictory requirements. Mian's UDC driver wants a
bulk-OUT transfer length to be shorter than the maxpacket size
if a short packet is expected, whereas Felipe's UDC hardware
always needs bulk-OUT transfer lengths to be evenly divisible by
the maxpacket size.
Mian has agreed to go back over the driver to resolve this
conflict. This means we probably will not want this patch after
all. (In fact, we may ultimately decide to change the gadget
framework to require that bulk-OUT transfer lengths _always_ be
divisible by the maxpacket size -- only the g_file_storage and
g_mass_storage gadgets would need to be changed.)
Cc: Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Cc: Michal Nazarewicz <mina86@mina86.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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