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Not a lot here during this merge window. Mostly we just have
the usual miscellaneous patches (removal of unnecessary prints,
proper dependencies being added to Kconfig, build warning fixes,
new device ID, etc.
Other than those, the only important new features are the
new support for OS Strings which should help Linux Gadget
Drivers behave better under MS Windows. Also Babble Recovery
implementation for MUSB on AM335x. Lastly, we also have
ARCH_QCOM PHY support though phy-msm.
Signed-of-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'usb-for-v3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
usb: patches for v3.16 merge window
Not a lot here during this merge window. Mostly we just have
the usual miscellaneous patches (removal of unnecessary prints,
proper dependencies being added to Kconfig, build warning fixes,
new device ID, etc.
Other than those, the only important new features are the
new support for OS Strings which should help Linux Gadget
Drivers behave better under MS Windows. Also Babble Recovery
implementation for MUSB on AM335x. Lastly, we also have
ARCH_QCOM PHY support though phy-msm.
Signed-of-by: Felipe Balbi <balbi@ti.com>
Conflicts:
drivers/usb/phy/phy-mv-u3d-usb.c
This fixes a bug when dwc3_pci_register_phys() fails and leaves device enabled.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
First usage of ret variable will re-write initial value. Thus, there is no need
to initialize it.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
this makes it slightly easier to read generic CMD
logs. It also helps make sure we're sending proper
parameters for each command.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Facilitate getting required 3.3V and 1.0V VDD supply for
DWC3 controller on Exynos.
With patches for regulators' nodes merged in 3.15:
c8c253f ARM: dts: Add regulator entries to smdk5420
275dcd2 ARM: dts: add max77686 pmic node for smdk5250,
certain perripherals will now need to ensure that,
they request VDD regulators in their drivers, and enable
them so as to make them working.
Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Cc: Anton Tikhomirov <av.tikhomirov@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Glue layers for the DWC3 driver only make sense on specific platforms.
Add dependencies so that they are not built where they aren't needed.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: WingMan Kwok <w-kwok2@ti.com>
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
no functional changes, just renaming the function
in order to make it slightly clearer what it should
be used for, also matching the driver name.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Move mode (Host, Peripheral, OTG) initialization
to its own function in order to decrease the size
of our probe() routine.
Signed-off-by: Felipe Balbi <balbi@ti.com>
our probe() routine is too large and we can
easily refactor PHY-related code out to another
function to make it slightly less painful to read.
Signed-off-by: Felipe Balbi <balbi@ti.com>
so it seems like DWC3 IP doesn't clear stalls
automatically when we disable an endpoint, because
of that, we _must_ make sure stalls are cleared
before clearing the proper bit in DALEPENA register.
Cc: <stable@vger.kernel.org> # v3.4+
Reported-by: Johannes Stezenbach <js@sig21.net>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Make dwc3_gadget_resize_tx_fifos() iterate only over IN
endpoints that are actually present, based on the
num_in_eps parameter. This terminates the loop so as to
prevent dereferencing a potential NULL dwc->eps[i] where
i >= (num_in_eps + num_out_eps).
Signed-off-by: Jack Pham <jackp@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Here's the big USB pull request for 3.15-rc1.
The normal set of patches, lots of controller driver updates, and a
smattering of individual USB driver updates as well.
All have been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB patches from Greg KH:
"Here's the big USB pull request for 3.15-rc1.
The normal set of patches, lots of controller driver updates, and a
smattering of individual USB driver updates as well.
All have been in linux-next for a while"
* tag 'usb-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (249 commits)
xhci: Transition maintainership to Mathias Nyman.
USB: disable reset-resume when USB_QUIRK_RESET is set
USB: unbind all interfaces before rebinding any
usb: phy: Add ulpi IDs for SMSC USB3320 and TI TUSB1210
usb: gadget: tcm_usb_gadget: stop format strings
usb: gadget: f_fs: add missing spinlock and mutex unlock
usb: gadget: composite: switch over to ERR_CAST()
usb: gadget: inode: switch over to memdup_user()
usb: gadget: f_subset: switch over to PTR_RET
usb: gadget: lpc32xx_udc: fix wrong clk_put() sequence
USB: keyspan: remove dead debugging code
USB: serial: add missing newlines to dev_<level> messages.
USB: serial: add missing braces
USB: serial: continue to write on errors
USB: serial: continue to read on errors
USB: serial: make bulk_out_size a lower limit
USB: cypress_m8: fix potential scheduling while atomic
devicetree: bindings: document lsi,zevio-usb
usb: chipidea: add support for USB OTG controller on LSI Zevio SoCs
usb: chipidea: imx: Use dev_name() for ci_hdrc name to distinguish USBs
...
This patch move simply OF helper function to extcon core and change function
name as following:
- of_extcon_get_extcon_dev() -> extcon_get_edev_by_phandle()
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Felipe Balbi <balbi@ti.com>
We know what "value" is and it upsets static checkers that we appear to
have doubts about it.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
These were cut and paste from the ->disconnect function.
Fixes commit 30d577b9bcc4 ('usb: dwc3: gadget: call gadget driver's
->suspend/->resume')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Adapted dwc3 core to use the Generic PHY Framework. So for init, exit,
power_on and power_off the following APIs are used phy_init(), phy_exit(),
phy_power_on() and phy_power_off().
However using the old USB phy library wont be removed till the PHYs of all
other SoC's using dwc3 core is adapted to the Generic PHY Framework.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Since PHYs for dwc3 is optional (not all SoCs having PHYs for DWC3
should be programmed), do not return from probe if the USB PHY library
returns -ENODEV as that indicates the platform does not have a
programmable PHY.
While this can be considered as a temporary fix, a long term solution
would be to add 'nop' PHY for platforms that does not have programmable
PHY.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
few new revisions of the core have been released,
add them to our list of revisions so we can apply
workarounds if necessary.
Signed-off-by: Felipe Balbi <balbi@ti.com>
commit 388e5c5 (usb: dwc3: remove dwc3 dependency
on host AND gadget.) created the possibility for
host-only and peripheral-only dwc3 builds but
left a possible randconfig build error when host-only
builds are selected.
Cc: <stable@vger.kernel.org> # v3.8+
Reported-by: Jim Davis <jim.epost@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
When going into bus suspend/resume we _must_
call gadget driver's ->suspend/->resume callbacks
accordingly. This patch implements that very feature
which has been missing forever.
Signed-off-by: Felipe Balbi <balbi@ti.com>
It's not always we need to force a transfer to be removed
from the core's internal cache. This extra argument will
help differentiating those two cases.
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
During superspeed, HIRD threshold should always
be zero. Curent driver wasn't making sure that
was the case.
Signed-off-by: Felipe Balbi <balbi@ti.com>
if we have hibernation configured, Databook
instructs us to set KEEP_CONNECT bit together
with RUN_STOP bit, in step 9 of section 12.3.6.1
Initialization for Hibernation Support.
Signed-off-by: Felipe Balbi <balbi@ti.com>
We must read HWPARAMS4 register to figure out
how many scratch buffers we should allocate.
Later patch will use "Set Scratchpad Buffer
Array" command to pass the pointer to the
IP so it can be used during hibernation.
Signed-off-by: Felipe Balbi <balbi@ti.com>
That argument will be used in later patches when we
have working hibernation support. For now, always
pass it as false.
The idea of this patch is to decrease to size of
following patches and slowly add hibernation building
blocks to the gadget side of dwc3 so that it becomes
very easy to review the actual hibernation code.
[ balbi@ti.com : rewrote patch on top of current
tree. Added commit log. ]
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This function will be used during hibernation to get
the current link state. It will be needed at least
for Hibernation support.
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This extra field will save endpoint state when we're
about to enter hibernation. It will be used later
to restore the endpoint state when resuming.
Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
move 1-bit flags to the bottom of the structure,
sort all bit flags alphabetically, add documentation
which was missing.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Revision 2.20a of the core has a known issue
which would generate bogus hibernation events
_and_ random failures on USB CV TD.9.23 test
case.
The suggested workaround is to ignore hibernation
events which don't match currently connected
speed.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Revisions between 2.10a and 2.50a (included) have
a known issue which may cause xHCI compliance tests
to fail and/or quality issues with Isochronous
transactions.
Note that this issue only impacts certain configurations
of those revisions, namely the ones which have clock
gating enabled.
The suggested workaround is to disable clock gating in
known broken revisions, make sure HW LPM is disabled
and set GCTL.SOFITPSYNC to 1.
Signed-off-by: Felipe Balbi <balbi@ti.com>
by setting IOC always, we can recycle TRBs a
lot sooner at the expense of some increased
CPU load.
The extra load seems to be quite minimal on
OMAP5 devices (instead of 1 IRQ for one MSC
transfer, we get
CONFIG_USB_GADGET_STORAGE_NUM_BUFFERS).
Signed-off-by: Felipe Balbi <balbi@ti.com>
Around DWC USB3 2.30a release another bit has been added to the
Device-Specific Event (DEVT) Event Information (EvtInfo) bitfield.
Because of that, what used to be 8 bits long, has become 9 bits long.
Per dwc3 2.30a+ spec in the Device-Specific Event (DEVT), the field of
Event Information Bits(EvtInfo) uses [24:16] bits, and it has 9 bits
not 8 bits. And the following reserved field uses [31:25] bits not
[31:24] bits, and it has 7 bits.
So in dwc3_event_devt, the bit mask should be:
event_info [24:16] 9 bits
reserved31_25 [31:25] 7 bits
This patch makes sure that newer core releases will work fine with
Linux and that we will decode the event information properly on new
core releases.
[ balbi@ti.com : improve commit log a bit ]
Cc: <stable@vger.kernel.org>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'v3.13-rc5' into next
Linux 3.13-rc5
* tag 'v3.13-rc5': (231 commits)
Linux 3.13-rc5
aio: clean up and fix aio_setup_ring page mapping
aio/migratepages: make aio migrate pages sane
aio: fix kioctx leak introduced by "aio: Fix a trinity splat"
Don't set the INITRD_COMPRESS environment variable automatically
mm: fix build of split ptlock code
pstore: Don't allow high traffic options on fragile devices
mm: do not allocate page->ptl dynamically, if spinlock_t fits to long
mm: page_alloc: revert NUMA aspect of fair allocation policy
Revert "mm: page_alloc: exclude unreclaimable allocations from zone fairness policy"
mm: Fix NULL pointer dereference in madvise(MADV_WILLNEED) support
qla2xxx: Fix scsi_host leak on qlt_lport_register callback failure
target: Remove extra percpu_ref_init
arm64: ptrace: avoid using HW_BREAKPOINT_EMPTY for disabled events
ARC: Allow conditional multiple inclusion of uapi/asm/unistd.h
target/file: Update hw_max_sectors based on current block_size
iser-target: Move INIT_WORK setup into isert_create_device_ib_res
iscsi-target: Fix incorrect np->np_thread NULL assignment
mm/hugetlb: check for pte NULL pointer in __page_check_address()
fix build with make 3.80
...
Conflicts:
drivers/usb/phy/Kconfig
The reset_gpio member of the usb_phy_gen_xceiv_platform_data
structure needs the have negative value or phy-generic's
probe will fail unless DT is used. 0 is a valid gpio number.
This fixes an issue where phy-generic fails to probe with
message: "usb_phy_gen_xceiv.0: Error requesting RESET GPIO 0".
Cc: <stable@vger.kernel.org>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Merge tag 'v3.13-rc4' into next
Linux 3.13-rc4
* tag 'v3.13-rc4': (1001 commits)
Linux 3.13-rc4
null_blk: mem garbage on NUMA systems during init
radeon_pm: fix oops in hwmon_attributes_visible() and radeon_hwmon_show_temp_thresh()
Revert "selinux: consider filesystem subtype in policies"
igb: Fix for issue where values could be too high for udelay function.
i40e: fix null dereference
ARM: fix asm/memory.h build error
dm array: fix a reference counting bug in shadow_ablock
dm space map: disallow decrementing a reference count below zero
mm: memcg: do not allow task about to OOM kill to bypass the limit
mm: memcg: fix race condition between memcg teardown and swapin
thp: move preallocated PTE page table on move_huge_pmd()
mfd/rtc: s5m: fix register updating by adding regmap for RTC
rtc: s5m: enable IRQ wake during suspend
rtc: s5m: limit endless loop waiting for register update
rtc: s5m: fix unsuccesful IRQ request during probe
drivers/rtc/rtc-s5m.c: fix info->rtc assignment
include/linux/kernel.h: make might_fault() a nop for !MMU
drivers/rtc/rtc-at91rm9200.c: correct alarm over day/month wrap
procfs: also fix proc_reg_get_unmapped_area() for !MMU case
...
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch adds "maxpacket_limit" to struct usb_ep. This field contains
maximum value of maxpacket supported by driver, and is set in driver probe.
This value should be used by autoconfig() function, because value of field
"maxpacket" is set to value from endpoint descriptor when endpoint becomes
enabled. So when autoconfig() function will be called again for this endpoint,
"maxpacket" value will contain wMaxPacketSize from descriptior instead of
maximum packet size for this endpoint.
For this reason this patch adds new field "maxpacket_limit" which contains
value of maximum packet size (which defines maximum endpoint capabilities).
This value is used in ep_matches() function used by autoconfig().
Value of "maxpacket_limit" should be set in UDC driver probe function, using
usb_ep_set_maxpacket_limit() function, defined in gadget.h. This function
set choosen value to both "maxpacket_limit" and "maxpacket" fields.
This patch modifies UDC drivers by adding support for maxpacket_limit.
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
DWC3 requires epout to have buffer size aligned to MaxPacketSize value.
This patch sets necessary quirk for it.
Signed-off-by: David Cohen <david.a.cohen@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
the lock was only taken inside the hardirq
handler, which runs with IRQs disabled. There's
no chance of any race condition happening, even
on SMP machines. It's safe to remove that
spinlock.
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Don't use DEFINE_PCI_DEVICE_TABLE macro, because this macro
is not preferred.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Due to inter dependencies of I2C and extcon by the time dwc3
checks for extcon device its not registered especially in case of J6.
In O5 the vbus regulator save us from getting to this point.
So for tiime being return PROBE_DEFER if extcon is enabled in dt.
Signed-off-by: George Cherian <george.cherian@ti.com>
