The patch adds a new HIDCOM device and does not affect other devices
driven by the cypress_M8 module. Changes are:
- add VendorID ProductID to device tables
- skip unstable speed check because FRWD uses 115200bps
- skip reset at probe which is an issue workaround for this
particular device.
Signed-off-by: Robert Butora <robert.butora.fi@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Addition of the M and N recommended values for the USB3 PHY DPLL.
Sysclk for DRA7xx is 20MHz.
This yields:
Clk = 20MHz * M/(N+1) = 20MHz * 1000 /(7+1) = 2.5 Ghz
Signed-off-by: Ruchika Kharwar <ruchika@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Pci_enable_device() will set device power state to D0,
so it's no need to do it again in dwc3_pci_probe().
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch splits the PCI portion of ohci-hcd out into its
own separate driver module, called ohci-pci.
The major point of difficulty lies in ohci-pci's many vendor- and
device-specific workarounds. Some of them have to be applied before
calling ohci_start() some after, which necessitates a fair amount of
code motion. The other platform drivers require much smaller changes.
The complete sb800_prefetch() function moved to ohci-q.c,because its
only related to ohci-pci driver.
USB_OHCI_HCD_PCI symbol no longer dependence on STB03xxx, PPC_MPC52xx and
USB_OHCI_HCD_PPC_OF that's what removed.
V2:
- few specific content of pci related code in ohci_pci_start function has been moved to ohci_pci_reset
and rest of the generic code is written in ohci_start of ohci-hcd.c file.
V3:
- ohci_restart() has been called in ohci_pci_reset() function for to reset the ohci pci.
V4:
-sb800_prefetch() moved to ohci-q.c,because its only related to ohci-pci.
-no longer _creating_ CONFIG_USB_OHCI_PCI,creating CONFIG_USB_OHCI_HCD_PCI.
-overrides renamed with pci_override,its giving proper meaning.
V5:
-sb800_prefetch() moved to pci-quirks.c,because its only related to pci.
V6:
-sb800_prefetch() function has been moved to pci-quirks.c made as separate patch in 2/3.
-Most of the generic ohci pci changes moved in 2/3 patch,now this is complete ohci-pci separation patch.
V7:
-Unrelated include file has been removed from ohci.h file.
V8:
-USB_OHCI_HCD_PCI symbol does not dependence on STB03xxx, PPC_MPC52xx and USB_OHCI_HCD_PPC_OF.
Signed-off-by: Manjunath Goudar <manjunath.goudar@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Note that this changes is part of separating the ohci pci host controller
driver from ohci-hcd host code.
This contains :
-Moved sb800_prefetch() function from ohci-pci.c to pci-quirks.c file
and EXPORTed, this is part of the effort to move the ohci pci related
code to generic pci code.
-Passed "device" argument instead of "ohci_hcd" in sb800_prefetch()
function to avoid extra include file in pci-quirks.c.
V2:
-Passed "device" argment instead of "pci_dev", then we use to_pci_dev()
to get the "pci_dev" structure.
Signed-off-by: Manjunath Goudar <manjunath.goudar@linaro.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch prepares ohci-hcd for being split up into a core
library and separate platform driver modules. A generic
ohci_hc_driver structure is created, containing all the "standard"
values, and a new mechanism is added whereby a driver module can
specify a set of overrides to those values. In addition the
ohci_restart(),ohci_suspend() and ohci_resume() routines need
to be EXPORTed for use by the drivers.
Added ohci_setip(() and ohci_start() routine for to start the generic
controller rather than each having its own idiosyncratic approach.
This allow to clean duplicated code in most of SOC driver
In V2:
-ohci_hcd_init() ohci_run() and ohci_stop() are not made non-static.
-Adds the ohci_setup() and ohci_start() routine.
In V3:
-purpose of ohci_setup() and ohci_start() function description written in the patch
description.
-ohci_init() are not made non-static but now called beginning of the ohci_restart().
-ohci_run() signature change reverted back.
-unrelated changes removed.
-duplicate comment line removed.
-inline ohci_suspend() and ohci_resume() is not needed so removed from ohci.h file.
In V4:
-ohci-init() EXPORTed because it is called by all bus glue modules.
-ohci-setup() removed from 1/2 added into 2/2 patch.
In V5:
-Again ohci_setup() is added and EXPORTed because to replace the ohci_init() from
all bus glues.
-ohci_init() is not made non-static function.
In V6:
-ohci_init() call is removed from ohci_quirk_nec_worker(), because it is already called in ohci_restart().
In V8:
-ohci_hcd_init() is called by ohci_setup() to make generic ohci initialization in all ohci drivers.
Signed-off-by: Manjunath Goudar <manjunath.goudar@linaro.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch attempts to fix the isochronous API in the fhci-hcd
driver. There are two problems with the current code:
ed->last_iso is used but not set anywhere. The patch changes
its name to ed->next_iso and uses it to store the frame number
of the next available slot in the isochronous stream.
urb->start_frame isn't set when the URB_ISO_ASAP flag is off.
The patch sets it to the next available slot if the stream is
in use, or the current frame otherwise.
This won't give the right behavior when an underrun occurs, but I
don't know enough about the driver to handle that case.
Unfortunately, I don't have any way to test these changes.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: Anton Vorontsov <avorontsov@ru.mvista.com>
CC: Li Yang <leoli@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch attempts to update the imx21-hcd driver to the current
standard for the isochronous API. Firstly, urb->start_frame should
always be set by the driver; it is not an input parameter. Secondly,
the URB_ISO_ASAP flag matters only when an URB is submitted to a
stream that has gotten an underrun. It causes the URB to be scheduled
for the next available slot in the future, rather than the earliest
unused (and expired) slot.
Unfortunately, I don't have any way to test these changes.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: Sascha Hauer <kernel@pengutronix.de>
CC: Martin Fuzzey <mfuzzey@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch attempts to fix the isochonour API in the musb host
driver. In particular, the urb->start_frame field should always be
set by the driver; it isn't an input parameter.
The simplest way to accomplish this is to treat all URBs as though the
URB_ISO_ASAP flag was set. This won't give the right behavior when an
underrun occurs, but I don't know enough about the musb driver to
handle that case.
Unfortunately, I have no way to test this change.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Exynos5440 does not require any explict USB phy configuration. So skip
the USB phy configuration for Exynos5440 based platforms.
Signed-off-by: Thomas Abraham <thomas.ab@samsung.com>
Ackked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is a specifier we may use to dump small buffers.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use the wrapper functions for getting and setting the driver data using
platform_device instead of using dev_{get,set}_drvdata() with &pdev->dev,
so we can directly pass a struct platform_device.
Also, unnecessary dev_set_drvdata() is removed, because the driver core
clears the driver data to NULL after device_release or on probe failure.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
'hcd' can never be NULL and the spear_ehci_hcd_drv_remove routine
will never be called in_interrupt. Hence remove these checks.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When converting this driver to devm_ioremap_resource, the removal of this now
unneeded function has been forgotten.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch is to add a property 'disabled-ports' representing the unused port
of USB3503. USB3503 can support up to 3 USB host port and each ports can be
controlled to be enabled or disabled. Do not describe this property if all
ports must be enabled.
You can represent the ports to disable in the device tree.
usb3503@08{
...
disabled-ports = <2 3>;
...
};
Signed-off-by: Dongjin Kim <tobetter@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch is to disable the USB ports unconnected to USB3503. In order to
disable the port, 'port_off_mask' must be set.
* Disable PORT1 only
.port_off_mask = USB3503_OFF_PORT1;
* Disable PORT1 and PORT3 only
.port_off_mask = USB3503_OFF_PORT1 | USB3503_OFF_PORT3;
* Enables all ports
.port_off_mask = 0;
Signed-off-by: Dongjin Kim <tobetter@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch adds some code that inadvertently got left out of commit
c1fdb68e3d (USB: EHCI: changes related
to qh_refresh()). The calls to qh_refresh() and qh_link_periodic()
were taken out of qh_schedule(); therefore it is necessary to call
these routines manually after calling qh_schedule().
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-and-tested-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
very minor patch fixing the following build warning on
a debug message:
drivers/usb/musb/musb_host.c: In function ‘musb_host_rx’:
drivers/usb/musb/musb_host.c:1763:4: warning: format ‘%x’ \
expects argument of type ‘unsigned int’, but argument \
6 has type ‘dma_addr_t’ [-Wformat]
Signed-off-by: Felipe Balbi <balbi@ti.com>
Registered Tegra USB PHY as a separate platform driver.
To synchronize host controller and PHY initialization, used deferred
probe mechanism. As PHY should be initialized before EHCI starts running,
deferred probe of Tegra EHCI driver till PHY probe gets completed.
Got rid of instance number based handling in host driver.
Made use of DT params to get the PHY Pad registers.
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Check return values from all GPIO APIs and handle errors accordingly.
Remove the call to clk_disable_unprepare(); this function does not
prepare or enable the clock, so the error path should not disable or
unprepare it.
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
As GPIO information is avail through DT, used it to get Tegra ULPI
reset GPIO number. Added a new member to tegra_usb_phy structure to
store this number.
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Added a new PHY mode to support OTG.
Obtained Tegra USB PHY mode using DT property.
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
In case if clk_get_sys fails, return correct error value provided by
the API.
Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Increase the current arbitrary limit for isocronous packet size to a
value large enough to account for USB 3.0 super bandwidth streams,
bMaxBurst (0~15 allowed, 1~16 packets)
bmAttributes (bit 1:0, mult 0~2, 1~3 packets)
so the size max for one USB 3 isocronous transfer is
1024 byte * 16 * 3 = 49152 byte
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Federico Manzan <f.manzan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The control-message timeout is specified in milliseconds and should not
depend on HZ.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The control and bulk-message timeouts are specified in milliseconds and
should not depend on HZ.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The bulk-message timeout is specified in milliseconds and should not
depend on HZ.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The control-message timeout is specified in milliseconds and should not
depend on HZ.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix regression introduced by commit 0eafe4de1a ("USB: serial: mos7840:
add support for MCS7810 devices") which used stack-allocated buffers for
control messages.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The read_mos_reg function is called with stack-allocated buffers, which
must not be used for control messages.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The first and second interrupt-in urbs are swapped for some Treo/Kyocera
devices, but the urb context was never updated with the new port.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch reverts commit 3e619d0415
(USB: EHCI: fix bug in scheduling periodic split transfers). The
commit was valid -- it fixed a real bug -- but the periodic scheduler
in ehci-hcd is in such bad shape (especially the part that handles
split transactions) that fixing one bug is very likely to cause
another to surface. That's what happened in this case; the result was
choppy and noisy playback on certain 24-bit audio devices.
The only real fix will be to rewrite this entire section of code. My
next project...
This fixes https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1136110.
Thanks to Tim Richardson for extra testing and feedback, and to Joseph
Salisbury and Tyson Tan for tracking down the original source of the
problem.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: Joseph Salisbury <joseph.salisbury@canonical.com>
CC: Tim Richardson <tim@tim-richardson.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Hi Greg,
Here's four xHCI bug fixes that should be queued for 3.10.
The first two are generic bug fixes, and have been in my queue for a while
because I've been doing the OPW internship coordination. I suspect you'll be
seeing more pull requests from me now that the intern selection process is
almost over. :)
The last two patches fix a nasty kernel crash on resume from S3 for TI hosts
that have the compliance mode quirk. Tony has confirmed that the patches fix
the issue on the effected systems.
All four patches are marked for stable.
Sarah Sharp
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Merge tag 'for-usb-linus-2013-05-24' of git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci into usb-linus
Sarah writes:
xhci: Misc bug fixes for 3.10.
Hi Greg,
Here's four xHCI bug fixes that should be queued for 3.10.
The first two are generic bug fixes, and have been in my queue for a while
because I've been doing the OPW internship coordination. I suspect you'll be
seeing more pull requests from me now that the intern selection process is
almost over. :)
The last two patches fix a nasty kernel crash on resume from S3 for TI hosts
that have the compliance mode quirk. Tony has confirmed that the patches fix
the issue on the effected systems.
All four patches are marked for stable.
Sarah Sharp
Since highmem PIO URB handling was introduced in:
8e8a551 usb: musb: host: Handle highmem in PIO mode
when a URB is being handled it may happen that the static use_sg flag
was set by a previous URB with buffer in highmem. This leads to error
in handling the present URB.
Fix this by making the use_sg flag URB specific.
Cc: stable <stable@vger.kernel.org> # 3.7+
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Virupax Sadashivpetimath <virupax.sadashivpetimath@stericsson.com>
Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
we never allocate a TRB pool for physical endpoints
0 and 1 so trying to free it (a invalid TRB pool pointer)
will lead us in a warning while removing dwc3.ko module.
In order to fix the situation, all we have to do is skip
dwc3_free_trb_pool() for physical endpoints 0 and 1 just
as we while deleting endpoints from the endpoints list.
Cc: stable@vger.kernel.org
Signed-off-by: George Cherian <george.cherian@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
If the glue layer is removed first (core layer later),
it deletes the phy device first, then the core device.
But at core's removal, it still uses PHY's resources, it may
cause kernel's oops. It is much like the problem
Paul Zimmerman reported at:
http://marc.info/?l=linux-usb&m=136547502011472&w=2.
Besides, it is reasonable the PHY is deleted at last as
the controller is the PHY's user.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
If the glue layer is removed first (core layer later),
it deletes the phy device first, then the core device.
But at core's removal, it still uses PHY's resources, it may
cause kernel's oops. It is much like the problem
Paul Zimmerman reported at:
http://marc.info/?l=linux-usb&m=136547502011472&w=2.
Besides, it is reasonable the PHY is deleted at last as
the controller is the PHY's user.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Use the wrapper functions for getting and setting the driver data using
platform_device instead of using dev_{get,set}_drvdata() with &pdev->dev,
so we can directly pass a struct platform_device.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
'nop_xceiv_dt_ids' is always compiled in. Hence use of
of_match_ptr is unnecessary.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Eric Miao <eric.y.miao@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Commit 0998d06310 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Yu Xu <yuxu@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch adds driver data for Exynos 4x12 USB 2.0 PHY.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
To remove unnecessary if statements, this patch introduces phy_enable
and phy_disable callbacks in driver data structure that implement
SoC-specific PHY initialization and deinitialization.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch extends driver data structure with set_isolation callback,
which allows to remove the need for checking for SoC type in a switch
statement.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch cleans up handling of reference clock rate in Samsung USB PHY
drivers. It is mostly a cosmetic change but improves error handling in
case of failing to get reference clock or invalid clock rate.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
There is no need to use devm_clk_get to get a clock that is being put
at the end of the function.
This patch changes the code getting reference clock to use clk_get
instead of useless in this case devm_clk_get.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Since phy-samsung-usb library can be used only by phy-samsung-usb2 and
phy-samsung-usb3 drivers, there is no need to give explicit control over
its Kconfig symbol.
This patch makes CONFIG_SAMSUNG_USBPHY symbol hidden and selected
implicitly by CONFIG_SAMSUNG_USB2PHY and CONFIG_SAMSUNG_USB3PHY.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Add support for the ab9540 variant of the ab8500 family.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Maxime Coquelin <maxime.coquelin@st.com>
Cc: Avinash Kumar <avinash.kumar@stericsson.com>
Cc: Thirupathi Chippakurthy <thirupathi.chippakurthy@stericsson.com>
Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
