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Just adding its own platform_driver, not really
using it yet.
Later patches will come to split power management
code from musb_core and move it completely to HW
glue layer.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Just adding its own platform_driver, not really
using it yet.
When all HW glue layers are converted, more patches
will come to split power management code from musb_core
and move it completely to HW glue layer.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Just adding its own platform_driver, not really
using it yet.
When all HW glue layers are converted, more patches
will come to split power management code from musb_core
and move it completely to HW glue layer.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Just adding its own platform_driver, not really
using it yet.
When all HW glue layers are converted, more patches
will come to split power management code from musb_core
and move it completely to HW glue layer.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Just adding its own platform_driver, not really
using it yet.
When all HW glue layers are converted, more patches
will come to split power management code from musb_core
and move it completely to HW glue layer.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Just adding its own platform_driver, not really
using it yet.
When all HW glue layers are converted, more patches
will come to split power management code from musb_core
and move it completely to HW glue layer.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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change all ocurrences of musb_hdrc to musb-hdrc.
We will call glue layer drivers musb-<glue layer>,
so in order to keep things somewhat standard, let's
change the underscore into a dash.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This will make things simpler when choosing which
glue layer to compile. It avoids a lot of magic
around the "default" Kconfig option and lets the
user choose what exactly s/he wants to compile.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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when we start splitting HW glue layer, it's
gonna make it easier to re-use that structure.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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initialize the musb port on pandaboard.
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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preparing to a big refactor on musb code. We need
to be able to compile in all glue layers (or at
least all ARM-based ones) together and have a
working binary.
While preparing for that, we move every glue
layer to export only one symbol, which is
a struct musb_platform_ops, and make all
other functions static.
Later patches will come to allow for compiling
all glue layers together and have a working
binary.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This will be passed to musb_core by platform glue
layer in order to make it easier to compile support
for several HW glue layers.
Later patches will come using this structure and
also moving HW glue layers to its own platform
driver; the idea is to be able to handle platform
peculiarities in a manner which doesn't affect one
another.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6 into work
* 'sh/ehci' of master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6:
sh: Convert to USB_ARCH_HAS_OHCI/EHCI selects.
usb: ehci-sh: Add missing ehci helpers.
usb: ehci-sh: Fix up fault in shutdown path.
sh: Add EHCI support for SH7786.
usb: ehci-hcd: Add support for SuperH EHCI.
usb: ohci-sh: Set IRQ as shared.
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* 'for-next' of git://gitorious.org/usb/usb:
usb: musb: gadget: prevent a NULL pointer dereference
usb: musb: add names for IRQs in structure resource
usb: musb: remove board_data parameter from musb_platform_init()
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Annotate i1480_est_id_table as '__used' to fix following warning:
CC drivers/uwb/i1480/i1480-est.o
drivers/uwb/i1480/i1480-est.c:94: warning: ‘i1480_est_id_table’ defined but not used
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Cc: David Vrabel <david.vrabel@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Annotate whcrc_id_table as '__used' to fix following warning:
CC drivers/uwb/whc-rc.o
drivers/uwb/whc-rc.c:452: warning: ‘whcrc_id_table’ defined but not used
Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Cc: David Vrabel <david.vrabel@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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If g_audio fails to open the sound control device, it crashes at removal:
Insertion:
[ 4143.836536] g_audio gadget: unable to open sound control device file: /dev/snd/controlC0
[ 4143.836543] g_audio gadget: we need at least one control device
[ 4143.836551] g_audio gadget: Linux USB Audio Gadget, version: Dec 18, 2008
[ 4143.836558] g_audio gadget: g_audio ready
Removal:
[ 4146.802643] BUG: unable to handle kernel paging request at 00023018
[ 4146.802655] IP: [<c10af9f5>] filp_close+0xa/0x5b
[ 4146.802674] *pdpt = 0000000015426001 *pde = 0000000000000000
[ 4146.802684] Oops: 0000 [#1] PREEMPT SMP
[ 4146.802692] last sysfs file: /sys/power/state
[ 4146.802701] Modules linked in: g_audio(-) ioh_udc fuse asix usbnet [last unloaded: g_audio]
[ 4146.802719]
[ 4146.802728] Pid: 1394, comm: rmmod Not tainted 2.6.33.5-26.1-ivi #1 To be filled by O.E.M./To be filled by O.E.M.
[ 4146.802738] EIP: 0060:[<c10af9f5>] EFLAGS: 00010206 CPU: 0
[ 4146.802746] EIP is at filp_close+0xa/0x5b
[ 4146.802753] EAX: 00023000 EBX: 00023000 ECX: 00000046 EDX: df842680
[ 4146.802760] ESI: e071cd4c EDI: df842680 EBP: ddbbbef0 ESP: ddbbbee4
[ 4146.802768] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[ 4146.802776] Process rmmod (pid: 1394, ti=ddbba000 task=dd95a4f0 task.ti=ddbba000)
[ 4146.802782] Stack:
[ 4146.802787] d540c280 e071cd4c df2bc000 ddbbbefc e071b82c df11e440 ddbbbf04 e071c622
[ 4146.802804] <0> ddbbbf28 e071c47f 00000008 e071cd74 df11e464 df2bc01c df2bc000 e071ce68
[ 4146.802822] <0> 00000880 ddbbbf38 e07fd1b8 e071cef0 00000000 ddbbbf40 e071b9f4 ddbbbf48
[ 4146.802842] Call Trace:
[ 4146.802857] [<e071b82c>] ? gaudio_cleanup+0x87/0xe0 [g_audio]
[ 4146.802869] [<e071c622>] ? audio_unbind+0x8/0xc [g_audio]
[ 4146.802881] [<e071c47f>] ? composite_unbind+0x8d/0xcb [g_audio]
[ 4146.802895] [<e07fd1b8>] ? usb_gadget_unregister_driver+0x7b/0xc0 [ioh_udc]
[ 4146.802908] [<e071b9f4>] ? usb_composite_unregister+0x15/0x17 [g_audio]
[ 4146.802920] [<e071c633>] ? cleanup+0xd/0xf [g_audio]
[ 4146.802932] [<c105a938>] ? sys_delete_module+0x185/0x1dd
[ 4146.802944] [<c101c3ea>] ? do_page_fault+0x248/0x276
[ 4146.802956] [<c10027d0>] ? sysenter_do_call+0x12/0x26
[ 4146.802962] Code: 12 5f 3a 00 8b 43 04 8b 40 0c 0f b3 30 3b 73 44 73 03 89 73 44 89 f8 e8 f1 61 3a 00 5b 5e 5f 5d c3 55 89 e5 57 89 d7 56 53 89 c3 <8b> 40 18 85 c0 75 0f 68 32 15 5e c1 31 f6 e8 52 39 3a 00 5a eb
[ 4146.803058] EIP: [<c10af9f5>] filp_close+0xa/0x5b SS:ESP 0068:ddbbbee4
[ 4146.803071] CR2: 0000000000023018
[ 4146.803112] ---[ end trace 0989a7e023da0434 ]---
This patch makes sure not to assign the_card if gaudio_open_snd_dev fails,
since the parent function will deallocate the card.
Also make sure all filp's in gaudio_open_snd_dev is assigned NULL upon error
and gaudio_close_snd_dev only cleanups when the filp's are non-NULL.
Signed-off-by: Richard Röjfors <richard.rojfors@pelagicore.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Case we can't allocate struct musb_request,
prevent a NULL pointer dereference by returning
early.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Soon resource data will get automatically
populated from a set of autogenerated data
from TI's hardware database for the OMAP
platform.
Such database, might not have resources at
the expected order by the current drivers.
While we could hack in some exceptions to
that tool to generate resources in a specific
order, it seems less fragile to use the
resource name instead. That way, no matter
what order the resources are generated, the
driver still work.
Modified the OMAP, Blackfin and Davinci
architecture files to add the name of the IRQs
in the resource structures and musb driver to
use the platform_get_irq_byname() api to get
the device and dma irq numbers instead of using
the index.
Cc: Tony Lindgren <tony@atomide.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Hema HK <hemahk@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Removed the board_data parameter being
passed to musb_platform_init function
as board_data can be extracted from
device structure which is already member
of musb structure.
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Hema HK <hemahk@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This switches over to selects for the subtypes to enable OHCI/EHCI
support explicitly rather than littering the usb Kconfig with subtype
dependencies.
Suggested-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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git://dev.omapzoom.org/pub/scm/anand/linux-omap-usb into usb-next
* 'omap4-ehci-for-greg' of git://dev.omapzoom.org/pub/scm/anand/linux-omap-usb:
omap4: 4430sdp: enable the ehci port on 4430SDP
arm: omap4: select USB_ARCH_HAS_EHCI
arm: omap4: usb: add platform init code for EHCI
arm: omap4: add USBHOST and related base addresses
usb: ehci-omap: Add OMAP4 support
omap: usb: ehci: introduce HSIC mode
usb: ehci-omap: add helpers for checking port mode
usb: ehci-omap: use clkdev aliases for functional clocks
omap: clock: add clkdev aliases for EHCI clocks
usb: ehci: introduce CONFIG_USB_EHCI_HCD_OMAP
usb: ehci-omap: don't hard-code TLL channel count
usb: ehci-omap: update clock names to be more generic
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This patch add USB client support Marvell PXA9xx/PXA168 chips. The USB
controller in PXA9xx/PXA168 is a High-Speed OTG controller. The available
endpoints is different between PXA9xx and PXA168.
NOTE:
It is the first version of Marvell PXA9xx/PXA168 USB controller driver.
The support for OTG mode will be added in later patch.
PXA9xx and PXA168 has integrated UTMI PHY in the chips. The initialization
for the PHY is a little different between PXA9xx and PXA168.
Signed-off-by: Chao Xie <chao.xie@marvell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Several of the EHCI glue drivers either predate or were merged in the
same timeframe as API changes at the USB core level, resulting in some
missing endpoint_reset and clear_tt_buffer_complete callbacks.
This fixes up all of ehci-atmel, mxc, w90x900, and xilinx-of to tie in
the new helpers, which brings them in line with everyone else.
Reported-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch adds test mode support for Langwell gadget driver.
Signed-off-by: Henry Yuan <hang.yuan@intel.com>
Signed-off-by: Andy Luo <yifei.luo@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch modifies the composite gadget to set vbus_draw current limitation
during suspend state. This current limitation in suspend state shouldn't be
more than 2.5mA
Signed-off-by: Hao Wu <hao.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Function twl4030_usb_remove can cause unbalanced regulator disables in
twl4030_phy_power if the cable is not connected. Regulator enable/disable
calls are in balance only if the twl4030_phy_resume was called prior the
twl4030_usb_remove, that is, the cable was connected.
Fix this by checking the 'asleep' variable in twl4030_usb_remove since that
variable is used to check state in other functions.
Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Some devices (ex ZTE 2726) simply don't respond at all when data is sent
to some of their USB interfaces. The data gets stuck in the TTYs queue
and sits there until close(2), which them blocks because closing_wait
defaults to 30 seconds (even though the fd is O_NONBLOCK). This is
rarely desired. Implement the standard mechanism to adjust closing_wait
and let applications handle it how they want to.
Signed-off-by: Dan Williams <dcbw@redhat.com>
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Hi,
The [vk][cmz]alloc(_node) family of functions return void pointers which
it's completely unnecessary/pointless to cast to other pointer types since
that happens implicitly.
This patch removes such casts from drivers/usb/
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
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Usually the usbmon returns the amount of data specified in
urb->transfer_buffer_length for output submissions and urb->actual_length
for input callbacks. However, for Isochronous input transfers, this is
not enough, since the returned data buffer may contain "holes".
One easy way to fix this is to use urb->transfer_buffer_length,
but this often transfers a whole lot of unused data, so we find
how much was actually used instead.
Original patch by Márton Németh. See also kernel bug 22182.
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Márton Németh <nm127@freemail.hu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The OMAP4 SDP has an SMSC3320 PHY hooked up to EHCI on Port1.
The PHY power is controlled by GPIO 157.
Turn on the PHY power, and register the controller at init.
Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com>
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
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The OMAP4 has an on-chip EHCI controller. Select USB_ARCH_HAS_EHCI
to allow the EHCI driver to be built on OMAP4.
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
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- Add platform init code for EHCI on OMAP4
- Add pad configuration for PHY and TLL modes
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
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Add base addresses for USBHOST, USBTLL, EHCI and OHCI to
the header file.
This will disappear when the drivers are converted to use
the hwmod database, however this patch is needed until then.
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
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Update the ehci-omap glue layer to support the controller in the
OMAP4. Major differences from OMAP3 is that the OMAP4 has per-port
clocking, and supports ULPI output clocking mode. The old input
clocking mode is not supported.
Also, there are only 2 externally available ports as against 3
in the OMAP3. The third port is internally tied off and should
not be used.
Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com>
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
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The EHCI controller in OMAP4 supports a new interface mode - HSIC.
Add this to the list of modes supported on OMAP3.
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
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Introduce helper functions to test port mode. These checks are
performed in several places in the driver, and these helpers
improve readability.
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
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Use the recently updated aliases to get functional clocks needed by
the driver. This allows the driver to acquire OMAP4-specific clocks
without having to use different clock names for OMAP3 and OMAP4.
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
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Add clkdev aliases for the USBHOST and USBTLL clocks on OMAP3 and
OMAP4, so that the driver can refer to the clocks using a common alias.
This will disappear when the driver is converted to use the hwmod
database, but until then this patch is needed.
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Acked-by: Tony Lindgren <tony@atomide.com>
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Introduce the CONFIG_USB_EHCI_HCD_OMAP option to select
EHCI support on OMAP3 and later chips. This scales better
than having a long line of dependencies for each new OMAP
with EHCI support.
Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com>
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
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Make the TLL channel count a parameter instead of a hardcoded
value. This allows us to be flexible with future OMAP revisions
which could have a different number of channels.
Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com>
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
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Rename usbhost2_120m_fck to usbhost_hs_fck and usbhost1_48m_fck
to usbhost_fs_fck, to better reflect the clocks' functionalities.
In OMAP4, the frequencies for the corresponding clocks are not
necessarily the same as with OMAP3, however the functionalities
are.
Signed-off-by: Keshava Munegowda <keshava_mgowda@ti.com>
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
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The ehci-sh driver was missing tie-ins for endpoint_reset and
clear_tt_buffer_complete, add them in.
Reported-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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We can't use the generic usb_hcd_platform_shutdown helper on account of
the fact we don't stash the hcd pointer in the driver data, so we provide
our own shutdown handler.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This patch adds support for the EHCI IP block present on the Intel
CE4100.
Signed-off-by: Dirk Brandewie <dirk.brandewie@gmail.com>
CC: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as1436) takes care of leftover references to
udev->autosuspend_delay that didn't get removed during the earlier
conversion to the runtime-PM autosuspend API.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This commit fixes warning in f_fs.c introduced by "usb:
gadget: f_fs: remove custom printk() wrappers":
In file included from drivers/usb/gadget/g_ffs.c:64:
drivers/usb/gadget/f_fs.c:30:1: warning: "pr_fmt" redefined
Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as1434) cleans up the uses of usb_mark_last_busy() in
usbcore. The function will be called when a device is resumed and
whenever a usage count is decremented. A call that was missing from
the hub driver is added: A hub is used whenever one of its ports gets
suspended (this prevents hubs from suspending immediately after their
last child).
In addition, the call to disable autosuspend support for new devices
by default is moved from usb_detect_quirks() (where it doesn't really
belong) into usb_new_device() along with all the other runtime-PM
initializations. Finally, an extra pm_runtime_get_noresume() is added
to prevent new devices from autosuspending while they are being
registered.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch (as1428) converts USB over to the new runtime-PM core
autosuspend framework. One slightly awkward aspect of the conversion
is that USB devices will now have two suspend-delay attributes: the
old power/autosuspend file and the new power/autosuspend_delay_ms
file. One expresses the delay time in seconds and the other in
milliseconds, but otherwise they do the same thing. The old attribute
can be deprecated and then removed eventually.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Since the runtime-PM core already defines a .last_busy field in
device.power, this patch uses it to replace the .last_busy field
defined in usb_device and uses pm_runtime_mark_last_busy to implement
usb_mark_last_busy.
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Reviewed-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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