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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
USB: Gadget: changes for 3.4
This merge is rather big. Here's what it contains:
For am5536udc we have just simple coding style fixes. Nothing that has any
potential to cause any issues going forward.
With mv_udc, there's only one single change removing an unneeded NULL check.
at91_udc also only saw a single change this merge window, and that's only
removing a duplicated header.
The Renesas controller has a few more involved changes. Support for SUDMAC was
added, there's now a special handling of IRQ resources for when the IRQ line is
shared between Renesas controller and SUDMAC, we also had a bug fix where
Renesas controller would sleep in atomic context while doing DMA transfers from
a tasklet. There were also a set of minor cleanups.
The FSL UDC also had a scheduling in atomic context bug fix, but that's all.
Thanks to Sebastian, the dummy_hcd now works better than ever with support for
scatterlists and streams. Sebastian also added SuperSpeed descriptors to the
serial gadgets.
The highlight on this merge is the addition of a generic API for mapping and
unmapping usb_requests. This will avoid code duplication on all UDC controllers
and also kills all the defines for DMA_ADDR_INVALID which UDC controllers
sprinkled around. A few of the UDC controllers were already converted to use
this new API.
Conflicts:
drivers/usb/dwc3/gadget.c
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those routines have everything we need to map/unmap
USB requests and it's better to use them.
Tested-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This patch fixup below warning on device_unregister()
renesas_usbhs renesas_usbhs.1: host probed
renesas_usbhs renesas_usbhs.1: gadget probed
renesas_usbhs renesas_usbhs.1: irq request err
------------[ cut here ]------------
WARNING: at ${LINUX}/drivers/base/core.c:1)
Device 'gadget' does not have a release() function, it is broken and must be fi.
Modules linked in:
[<c000e25c>] (unwind_backtrace+0x0/0xe4) from [<c0016960>] (warn_slowpath_commo)
[<c0016960>] (warn_slowpath_common+0x4c/0x64) from [<c00169f8>] (warn_slowpath_)
[<c00169f8>] (warn_slowpath_fmt+0x2c/0x3c) from [<c0185b80>] (device_release+0x)
[<c0185b80>] (device_release+0x70/0x84) from [<c013e300>] (kobject_cleanup+0x58)
[<c013e300>] (kobject_cleanup+0x58/0x6c) from [<c01cba14>] (usbhs_mod_gadget_re)
[<c01cba14>] (usbhs_mod_gadget_remove+0x3c/0x6c) from [<c01c8384>] (usbhs_mod_p)
[<c01c8384>] (usbhs_mod_probe+0x68/0x80) from [<c01c7f84>] (usbhs_probe+0x1cc/0)
...
Cc: stable@vger.kernel.org
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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The current renesas_usbhs driver triggers
BUG: scheduling while atomic: ksoftirqd/0/3/0x00000102
with enabled CONFIG_DEBUG_ATOMIC_SLEEP, by submitting DMA transfers from
an atomic (tasklet) context, which is not supported by the shdma dmaengine
driver. Fix it by switching to a work.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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list.h already provide helpers to find the first entry and to move list
nodes to the tail of another list. This patch simply uses those helpers,
no functional changes.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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The SUDMAC uses 8-bit width only. So, when the driver uses SUDMAC,
we have to clear the MBW_32.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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In case of the SH7757, the irq number of USB module and SUDMAC
are the same. So, we have to set the IRQF_SHARED in such a case.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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In drivers/usb/renesas_usbhs/mod_gadget.c::usbhsg_recip_run_handle()
the Coverity Prevent checker currently flags a warning about possibly
uninitialized use of 'ret' i usbhsg_recip_run_handle(). It does this
since it assumes we take one of the non-default branches in the switch
and then subsequently take the false branch in the 'if (func)' case
below. This exact scenario will never happen, but Coverity can't see
that for some reason. This patch initializes 'ret' to '0' when it is
declared which should shut up this report and won't really hurt - so
why not? At least then it's clear that 'ret' is always initialized..
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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* 'next' of git://git.infradead.org/users/vkoul/slave-dma: (53 commits)
ARM: mach-shmobile: specify CHCLR registers on SH7372
dma: shdma: fix runtime PM: clear channel buffers on reset
dma/imx-sdma: save irq flags when use spin_lock in sdma_tx_submit
dmaengine/ste_dma40: clear LNK on channel startup
dmaengine: intel_mid_dma: remove legacy pm interface
ASoC: mxs: correct 'direction' of device_prep_dma_cyclic
dmaengine: intel_mid_dma: error path fix
dmaengine: intel_mid_dma: locking and freeing fixes
mtd: gpmi-nand: move to dma_transfer_direction
mtd: fix compile error for gpmi-nand
mmc: mxs-mmc: fix the dma_transfer_direction migration
dmaengine: add DMA_TRANS_NONE to dma_transfer_direction
dma: mxs-dma: Don't use CLKGATE bits in CTRL0 to disable DMA channels
dma: mxs-dma: make mxs_dma_prep_slave_sg() multi user safe
dma: mxs-dma: Always leave mxs_dma_init() with the clock disabled.
dma: mxs-dma: fix a typo in comment
DMA: PL330: Remove pm_runtime_xxx calls from pl330 probe/remove
video i.MX IPU: Fix display connections
i.MX IPU DMA: Fix wrong burstsize settings
dmaengine/ste_dma40: allow fixed physical channel
...
Fix up conflicts in drivers/dma/{Kconfig,mxs-dma.c,pl330.c}
The conflicts looked pretty trivial, but I'll ask people to verify them.
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resolved conflicts:
drivers/media/video/mx3_camera.c
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fixup usage of dma direction by introducing dma_transfer_direction,
this patch moves usb/renesas driver to use new enum
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Felipe Balbi <balbi@ti.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
* 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (232 commits)
USB: Add USB-ID for Multiplex RC serial adapter to cp210x.c
xhci: Clean up 32-bit build warnings.
USB: update documentation for usbmon
usb: usb-storage doesn't support dynamic id currently, the patch disables the feature to fix an oops
drivers/usb/class/cdc-acm.c: clear dangling pointer
drivers/usb/dwc3/dwc3-pci.c: introduce missing kfree
drivers/usb/host/isp1760-if.c: introduce missing kfree
usb: option: add ZD Incorporated HSPA modem
usb: ch9: fix up MaxStreams helper
USB: usb-skeleton.c: cleanup open_count
USB: usb-skeleton.c: fix open/disconnect race
xhci: Properly handle COMP_2ND_BW_ERR
USB: remove dead code from suspend/resume path
USB: add quirk for another camera
drivers: usb: wusbcore: Fix dependency for USB_WUSB
xhci: Better debugging for critical host errors.
xhci: Be less verbose during URB cancellation.
xhci: Remove debugging about ring structure allocation.
xhci: Remove debugging about toggling cycle bits.
xhci: Remove debugging for individual transfers.
...
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
* 'for-gadget/next' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb: (24 commits)
usb: dwc3: gadget: add support for SG lists
usb: dwc3: gadget: don't force 'LST' always
usb: dwc3: gadget: don't return anything on prepare trbs
usb: dwc3: gadget: re-factor dwc3_prepare_trbs()
usb: gadget: introduce support for sg lists
usb: renesas: pipe: convert a long if into a XOR operation
usb: gadget: remove useless depends on Kconfig
usb: gadget: s3c-hsudc: remove the_controller global
usb: gadget: s3c-hsudc: use release_mem_region instead of release_resource
usb: gadget: s3c-hsudc: Add regulator handling
usb: gadget: s3c-hsudc: use udc_start and udc_stop functions
usb: gadget: s3c-hsudc: move device registration to probe
usb: gadget: s3c-hsudc: add missing otg_put_transceiver in probe
usb: gadget: s3c-hsudc: add __devinit to probe function
usb: gadget: s3c-hsudc: move platform_data struct to global header
USB: EHCI: Add Marvell Host Controller driver
USB: OTG: add Marvell usb OTG driver support
usb: gadget: mv_udc: drop ARCH dependency
usb: gadget: mv_udc: fix bug in ep_dequeue
usb: gadget: enlarge maxburst bit width.
...
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This is just a minor optimization for the long
if we have on the driver.
When we want to check that one input is true
and the other must be false, the bitwise XOR
operator will achieve that for us.
Tested-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Gcc complains about this printk:
drivers/usb/renesas_usbhs/mod_gadget.c:188:3: warning: format ‘%x’
expects argument of type ‘unsigned int’, but argument 3 has type
‘dma_addr_t’ [-Wformat]
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This patch tidyup below smatch complaint
drivers/usb/renesas_usbhs/mod_host.c +642 usbhsh_queue_done()
warn: variable dereferenced before check 'urb' (see line 636)
Special thanks to Dan
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
* 'for-next/gadget' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb: (50 commits)
usb: renesas_usbhs: show error reason on usbhsh_urb_enqueu()
usb: renesas_usbhs: add force packet remove method
usb: renesas_usbhs: care usb_hcd_giveback_urb() status
usb: renesas_usbhs: add usbhsh_is_running()
usb: renesas_usbhs: disable attch irq after device attached
usb: renesas_usbhs: care pipe sequence
usb: renesas_usbhs: add usbhs_pipe_attach() method
usb: renesas_usbhs: add usbhsh_endpoint_detach_all() for error case
usb: renesas_usbhs: modify device attach method
usb: renesas_usbhs: pop packet when urb dequeued
usb: renesas_usbhs: add lost error value when enqueue
usb: gadget: mv_udc: replace some debug info
usb: gadget: mv_udc: refine suspend/resume function
usb: gadget: mv_udc: refine the clock relative code
usb: gadget: mv_udc: disable ISR when stopped
usb: gadget: mv_udc: add otg relative code
usb: gadget: Use kcalloc instead of kzalloc to allocate array
usb: renesas_usbhs: remove the_controller_link
usb: renesas_usbhs: add test-mode support
usb: renesas_usbhs: call usbhsg_queue_pop() when pipe disable.
...
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Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Packet should be force removed when reset/detach
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Without this patch, USB host hub shows error when cable was detached
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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It is possible to judge whether renesas_usbhs driver is running,
by checking attch irq mask.
This patch adds usbhsh_is_running() to check it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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attch interrupt might happen infinitely on some USB hub (self power?).
This patch disable attch irq after device attached,
and enable it again when detach irq happen.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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driver has to re-use the limited pipe for each device/endpoint
when it is USB host hub mode, since number of pipe has limitation.
Then, each pipe should care own pipe sequence for next packet.
This patch adds sequence control.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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driver has to re-use the limited pipe for each device/endpoint
when it is USB host hub mode, since number of pipe has limitation.
This patch adds usbhsh_pipe_attach/detach() functions for it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This patch adds usbhsh_endpoint_detach_all() for error case.
usbhs_endpoitn_xxx() functions were moved to upper side in source code.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Current renesas_usbhs had been assigning udev to each urb.
It was executed even though it was device0.
For this reason, the device0 had to set the new device address
which has still not been assigned. (it will be assigned on next step).
Current renesas_usbhs used fixed address for it.
but it is not good for USB hub support.
This patch modifies this issue.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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usbhsh_ureq_free() is not enough when urb dequeued.
Without this patch, the driver can not recognize re-connected
USB device after USB hub disconnected
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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usbhsh_urb_enqueue() didn't have error value when
usbhsh_device_attach() failed
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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current renesas_usbhs is using new style udc_start/stop from
af1d7056a5c1e5eaaf807ddd1423101db84668d0
(usb: gadget: renesas: convert to new style).
with this patch we can finally remove the global "the_controller_link"
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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When poping packet from queue, it needs correct end procedure.
This patch call usbhsg_queue_pop() in usbhsg_pipe_disable().
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Current renesas_usbhs driver always tries to send packet in end of recip handler.
But it breaks chapter 9 EndpointHalt test.
This patch fixup this issue.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This patch adds basic get-status support for chapter 9 test.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This patch adds basic set-feature support for chapter 9 test.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This is preparation for chapter 9 test
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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recip handler will call various functions which are holding
usbhs_lock.
This patch removes superfluous usbhs_lock from recip handler
to escape double lock.
[ balbi@ti.com : brushed up commit log a bit ]
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This commit renames the “speed” field of the usb_gadget_driver
structure to “max_speed”. This is so that to make it more
apparent that the field represents the maximum speed gadget
driver can support.
This also make the field look more like fields with the same
name in usb_gadget and usb_composite_driver structures. All
of those represent the *maximal* speed given entity supports.
After this commit, there are the following fields in various
structures:
* usb_gadget::speed - the current connection speed,
* usb_gadget::max_speed - maximal speed UDC supports,
* usb_gadget_driver::max_speed - maximal speed gadget driver
supports, and
* usb_composite_driver::max_speed - maximal speed composite
gadget supports.
Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This commit replaces usb_gadget's is_dualspeed field with
a max_speed field.
[ balbi@ti.com : Fixed DWC3 driver ]
Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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current mod_host used usbhs_device_alloc/free(),
but allocated variable was attached to each xx->hcpriv.
The intuitively clear name was not xxx_alloc/free() but xxx_attach/detach().
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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current mod_host used usbhs_endpoint_alloc/free(),
but allocated variable was attached to each xx->hcpriv.
The intuitively clear name was not xxx_alloc/free() but xxx_attach/detach().
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This patch remove unneeded parameter from usbhsh_xx_queue_push()
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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this patch cleanup
- make sure static function
- remove unneeded label
- useless local variable were removed
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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spin lock was needed in mod_host.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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device0 was treated without checking in usbhsh_device_alloc().
but "udev->usbv" and "dev_set_drvdata()" will be overwritten
if device0 was multi-allocated.
This patch fixes this issue.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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mod_host had usbhsh_request active/free list.
it was almost meaningless, and vainly complicated.
This patch remove it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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current usbhs_set_device_config() didn't care upphub/hubport.
This patch adds its value.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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it was device configuration setting function, not only speed.
This patch modify function name usbhs_set_device_speed() -> usbhs_set_device_config()
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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DCP data/status stage needs ureq to usbhs_pkt_push(),
but sometimes, there is no data stage.
In that case, allocated ureq was not freed,
Current ureq alloc/free pair were difficult to understand.
This patch removed unnecessary/un-understandable ureq alloc
from usbhsh_urb_enqueue(), and create simpler alloc/free pair.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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