Commit Graph

106 Commits

Author SHA1 Message Date
Paul Gortmaker
803a536243 usb: delete non-required instances of include <linux/init.h>
None of these files are actually using any __init type directives
and hence don't need to include <linux/init.h>.  Most are just a
left over from __devinit and __cpuinit removal, or simply due to
code getting copied from one driver to the next.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-01-08 15:01:39 -08:00
Robert Baldyga
e117e742d3 usb: gadget: add "maxpacket_limit" field to struct usb_ep
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>
2013-12-17 13:17:41 -06:00
Jingoo Han
e01ee9f509 usb: gadget: use dev_get_platdata()
Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-07-30 11:18:46 +03:00
Felipe Balbi
2fb29f215c usb: gadget: omap_udc: don't assign gadget.dev.release directly
udc-core provides a better way to handle release
methods, let's use it.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-03-18 11:17:53 +02:00
Felipe Balbi
f6511d153e usb: gadget: omap_udc: don't touch gadget.dev.driver
udc-core now handles that for us, which means
we can remove it from our driver.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-03-18 11:17:40 +02:00
Felipe Balbi
981e070fdd usb: gadget: omap_udc: remove unnecessary initializations
udc-core now sets dma-related and parent fields
for us, we don't need to do it ourselves.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-03-18 11:17:25 +02:00
Felipe Balbi
7bce401cc6 usb: gadget: drop now unnecessary flag
We don't need the ->register_my_device flag
anymore because all UDC drivers have been
properly converted.

Let's remove every history of it.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-03-18 11:16:55 +02:00
Felipe Balbi
6dfc84fcb6 usb: gadget: omap_udc: let udc-core manage gadget->dev
By simply setting a flag, we drop some boilerplate
code.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-03-18 11:16:41 +02:00
Arnd Bergmann
518868c8fe usb: gadget: fix omap_udc build errors
1bf0cf6040 "usb: gadget: omap_udc: convert to udc_start/udc_stop"
made some trivial changes but was missing a ';' character.

8c4cc00552 "ARM: OMAP1: DMA: Moving OMAP1 DMA channel definitions
to mach-omap1" added a definition for OMAP_DMA_USB_W2FC_TX0 to
the driver while making the header file it was defined in
unavailable for drivers, but this driver actually needs
OMAP_DMA_USB_W2FC_RX0 as well.

Both changes appear trivial, so let's add the missing semicolon
and the macro definition.

Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-07 12:29:08 +08:00
Felipe Balbi
eeef458766 usb: gadget: constify all struct usb_gadget_ops
Add the missing 'const' keyword to all struct
usb_gadget_ops in the gadget framework.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-01-24 21:11:35 +02:00
Felipe Balbi
1bf0cf6040 usb: gadget: omap_udc: convert to udc_start/udc_stop
Mechanical change making use of the new (can we
still call it new ?) interface for registering
UDC drivers.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-01-24 21:11:30 +02:00
Linus Torvalds
a11da7df65 ARM: arm-soc: power management and clock changes
This branch contains a largeish set of updates of power management and
 clock setup. The bulk of it is for OMAP/AM33xx platforms, but also a
 few around hotplug/suspend/resume on Exynos.
 
 It includes a split-up of some of the OMAP clock data into separate
 files which adds to the diffstat, but gross delta is fairly reasonable.
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Merge tag 'pm-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC power management and clock changes from Olof Johansson:
 "This branch contains a largeish set of updates of power management and
  clock setup.  The bulk of it is for OMAP/AM33xx platforms, but also a
  few around hotplug/suspend/resume on Exynos.

  It includes a split-up of some of the OMAP clock data into separate
  files which adds to the diffstat, but gross delta is fairly reasonable."

* tag 'pm-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (60 commits)
  ARM: OMAP: Move plat-omap/dma-omap.h to include/linux/omap-dma.h
  ASoC: OMAP: mcbsp fixes for enabling ARM multiplatform support
  watchdog: OMAP: fixup for ARM multiplatform support
  ARM: EXYNOS: Add flush_cache_all in suspend finisher
  ARM: EXYNOS: Remove scu_enable from cpuidle
  ARM: EXYNOS: Fix soft reboot hang after suspend/resume
  ARM: EXYNOS: Add support for rtc wakeup
  ARM: EXYNOS: fix the hotplug for Cortex-A15
  ARM: OMAP2+: omap_device: Correct resource handling for DT boot
  ARM: OMAP2+: hwmod: Add possibility to count hwmod resources based on type
  ARM: OMAP2+: hwmod: Add support for per hwmod/module context lost count
  ARM: OMAP2+: PRM: initialize some PRM functions early
  ARM: OMAP2+: voltage: fixup oscillator handling when CONFIG_PM=n
  ARM: OMAP4: USB: power down MUSB PHY during boot
  ARM: OMAP2+: clock: Cleanup !CONFIG_COMMON_CLK parts
  ARM: OMAP2xxx: clock: drop obsolete clock data
  ARM: OMAP2: clock: Cleanup !CONFIG_COMMON_CLK parts
  ARM: OMAP3+: DPLL: drop !CONFIG_COMMON_CLK sections
  ARM: AM33xx: clock: drop obsolete clock data
  ARM: OMAP3xxx: clk: drop obsolete clock data
  ...
2012-12-13 10:58:20 -08:00
Linus Torvalds
8287361abc ARM: arm-soc: Header cleanups
This is a collection of header file cleanups, mostly for OMAP and AT91,
 that keeps moving the platforms in the direction of multiplatform by
 removing the need for mach-dependent header files used in drivers and
 other places.
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Merge tag 'headers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC Header cleanups from Olof Johansson:
 "This is a collection of header file cleanups, mostly for OMAP and
  AT91, that keeps moving the platforms in the direction of
  multiplatform by removing the need for mach-dependent header files
  used in drivers and other places."

Fix up mostly trivial conflicts as per Olof.

* tag 'headers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (106 commits)
  ARM: OMAP2+: Move iommu/iovmm headers to platform_data
  ARM: OMAP2+: Make some definitions local
  ARM: OMAP2+: Move iommu2 to drivers/iommu/omap-iommu2.c
  ARM: OMAP2+: Move plat/iovmm.h to include/linux/omap-iommu.h
  ARM: OMAP2+: Move iopgtable header to drivers/iommu/
  ARM: OMAP: Merge iommu2.h into iommu.h
  atmel: move ATMEL_MAX_UART to platform_data/atmel.h
  ARM: OMAP: Remove omap_init_consistent_dma_size()
  arm: at91: move at91rm9200 rtc header in drivers/rtc
  arm: at91: move reset controller header to arm/arm/mach-at91
  arm: at91: move pit define to the driver
  arm: at91: move at91_shdwc.h to arch/arm/mach-at91
  arm: at91: move board header to arch/arm/mach-at91
  arn: at91: move at91_tc.h to arch/arm/mach-at91
  arm: at91 move at91_aic.h to arch/arm/mach-at91
  arm: at91 move board.h to arch/arm/mach-at91
  arm: at91: move platfarm_data to include/linux/platform_data/atmel.h
  arm: at91: drop machine defconfig
  ARM: OMAP: Remove NEED_MACH_GPIO_H
  ARM: OMAP: Remove unnecessary mach and plat includes
  ...
2012-12-12 11:45:16 -08:00
Tony Lindgren
45c3eb7d3a ARM: OMAP: Move plat-omap/dma-omap.h to include/linux/omap-dma.h
Based on earlier discussions[1] we attempted to find a suitable
location for the omap DMA header in commit 2b6c4e73 (ARM: OMAP:
DMA: Move plat/dma.h to plat-omap/dma-omap.h) until the conversion
to dmaengine is complete.

Unfortunately that was before I was able to try to test compile
of the ARM multiplatform builds for omap2+, and the end result
was not very good.

So I'm creating yet another all over the place patch to cut the
last dependency for building omap2+ for ARM multiplatform. After
this, we have finally removed the driver dependencies to the
arch/arm code, except for few drivers that are being worked on.

The other option was to make the <plat-omap/dma-omap.h> path
to work, but we'd have to add some new header directory to for
multiplatform builds.

Or we would have to manually include arch/arm/plat-omap/include
again from arch/arm/Makefile for omap2+.

Neither of these alternatives sound appealing as they will
likely lead addition of various other headers exposed to the
drivers, which we want to avoid for the multiplatform kernels.

Since we already have a minimal include/linux/omap-dma.h,
let's just use that instead and add a note to it to not
use the custom omap DMA functions any longer where possible.

Note that converting omap DMA to dmaengine depends on
dmaengine supporting automatically incrementing the FIFO
address at the device end, and converting all the remaining
legacy drivers. So it's going to be few more merge windows.

[1] https://patchwork.kernel.org/patch/1519591/#

cc: Russell King <linux@arm.linux.org.uk>
cc: Kevin Hilman <khilman@ti.com>
cc: "Benoît Cousson" <b-cousson@ti.com>
cc: Herbert Xu <herbert@gondor.apana.org.au>
cc: "David S. Miller" <davem@davemloft.net>
cc: Vinod Koul <vinod.koul@intel.com>
cc: Dan Williams <djbw@fb.com>
cc: Mauro Carvalho Chehab <mchehab@infradead.org>
cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
cc: David Woodhouse <dwmw2@infradead.org>
cc: Kyungmin Park <kyungmin.park@samsung.com>
cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
cc: Hans Verkuil <hans.verkuil@cisco.com>
cc: Vaibhav Hiremath <hvaibhav@ti.com>
cc: Lokesh Vutla <lokeshvutla@ti.com>
cc: Rusty Russell <rusty@rustcorp.com.au>
cc: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
cc: Afzal Mohammed <afzal@ti.com>
cc: linux-crypto@vger.kernel.org
cc: linux-media@vger.kernel.org
cc: linux-mtd@lists.infradead.org
cc: linux-usb@vger.kernel.org
cc: linux-fbdev@vger.kernel.org
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-11-30 08:41:50 -08:00
Bill Pemberton
fb4e98ab63 usb: remove use of __devexit
CONFIG_HOTPLUG is going away as an option so __devexit is no
longer needed.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Peter Korsgaard <jacmet@sunsite.dk>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Cc: Li Yang <leoli@freescale.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Wan ZongShun <mcuos.com@gmail.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-21 13:27:17 -08:00
Bill Pemberton
41ac7b3ab7 usb: remove use of __devinit
CONFIG_HOTPLUG is going away as an option so __devinit is no longer
needed.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Peter Korsgaard <jacmet@sunsite.dk>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Cc: Li Yang <leoli@freescale.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Cc: Geoff Levand <geoff@infradead.org>
Cc: Wan ZongShun <mcuos.com@gmail.com>
Cc: Olav Kongas <ok@artecdesign.ee>
Cc: Lennert Buytenhek <kernel@wantstofly.org>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-21 13:27:16 -08:00
Bill Pemberton
7690417db5 usb: remove use of __devexit_p
CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer
needed.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Cc: Peter Korsgaard <jacmet@sunsite.dk>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Cc: Li Yang <leoli@freescale.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Wan ZongShun <mcuos.com@gmail.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-11-21 13:27:16 -08:00
Lokesh Vutla
2b6c4e7324 ARM: OMAP: DMA: Move plat/dma.h to plat-omap/dma-omap.h
Move plat/dma.h to plat-omap/dma-omap.h as part of single
zImage work

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-15 14:04:53 -07:00
Lokesh Vutla
8c4cc00552 ARM: OMAP1: DMA: Moving OMAP1 DMA channel definitions to mach-omap1
Some of the omap1 dma channel definitions are used by some drivers.
For moving omap1 dma channel definitions to mach-omap1/, the used
ones should be defined locally to driver. Driver can eliminate it
by using DT, platform data, or IORESOURCE_DMA.
And moving OMAP1 DMA channel definitions to mach-omap1

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-10-15 14:01:01 -07:00
Sebastian Andrzej Siewior
ffe0b33506 usb: gadget: remove global variable composite in composite.c
This patch removes the global variable composite in composite.c.
The private data which was saved there is now passed via an additional
argument to the bind() function in struct usb_gadget_driver.

Only the "old-style" UDC drivers have to be touched here, new style are
doing it right because this change is made in udc-core.

Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-09-10 15:35:41 +03:00
Linus Torvalds
9fc377799b USB patches for 3.6-rc1
Here's the big USB patch set for the 3.6-rc1 merge window.
 
 Lots of little changes in here, primarily for gadget controllers and drivers.
 There's some scsi changes that I think also went in through the scsi tree, but
 they merge just fine.  All of these patches have been in the linux-next tree
 for a while now.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB patches from Greg Kroah-Hartman:
 "Here's the big USB patch set for the 3.6-rc1 merge window.

  Lots of little changes in here, primarily for gadget controllers and
  drivers.  There's some scsi changes that I think also went in through
  the scsi tree, but they merge just fine.  All of these patches have
  been in the linux-next tree for a while now.

  Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"

Fix up trivial conflicts in include/scsi/scsi_device.h (same libata
conflict that Jeff had already encountered)

* tag 'usb-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (207 commits)
  usb: Add USB_QUIRK_RESET_RESUME for all Logitech UVC webcams
  usb: Add quirk detection based on interface information
  usb: s3c-hsotg: Add header file protection macros in s3c-hsotg.h
  USB: ehci-s5p: Add vbus setup function to the s5p ehci glue layer
  USB: add USB_VENDOR_AND_INTERFACE_INFO() macro
  USB: notify phy when root hub port connect change
  USB: remove 8 bytes of padding from usb_host_interface on 64 bit builds
  USB: option: add ZTE MF821D
  USB: sierra: QMI mode MC7710 moved to qcserial
  USB: qcserial: adding Sierra Wireless devices
  USB: qcserial: support generic Qualcomm serial ports
  USB: qcserial: make probe more flexible
  USB: qcserial: centralize probe exit path
  USB: qcserial: consolidate usb_set_interface calls
  USB: ehci-s5p: Add support for device tree
  USB: ohci-exynos: Add support for device tree
  USB: ehci-omap: fix compile failure(v1)
  usb: host: tegra: pass correct pointer in ehci_setup()
  USB: ehci-fsl: Update ifdef check to work on 64-bit ppc
  USB: serial: keyspan: Removed unrequired parentheses.
  ...
2012-07-26 10:23:47 -07:00
Greg Kroah-Hartman
ff9cce8277 usb: phy: patches for v3.6 merge window
We are starting to support multiple USB phys as
 we should thanks for Kishon's work. DeviceTree support
 for USB PHYs won't come until discussion with DeviceTree
 maintainer is finished.
 
 Together with that series, we have one fix for twl4030
 which missed a IRQF_ONESHOT annotation when requesting
 a threaded IRQ without a top half handler, and removal
 of an unused variable compilation warning to isp1301_omap.
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Merge tag 'xceiv-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

usb: phy: patches for v3.6 merge window

We are starting to support multiple USB phys as
we should thanks for Kishon's work. DeviceTree support
for USB PHYs won't come until discussion with DeviceTree
maintainer is finished.

Together with that series, we have one fix for twl4030
which missed a IRQF_ONESHOT annotation when requesting
a threaded IRQ without a top half handler, and removal
of an unused variable compilation warning to isp1301_omap.
2012-07-05 15:35:41 -07:00
Greg Kroah-Hartman
94ff447cf2 usb: gadget: patches for v3.6 merge window
This is quite a big pull request and contains patches
 all over the place.
 
 omap_udc is now a bit cleaner after removing omap2 support,
 fixing some checkpatch.pl warnings and errors, switching over
 to generic map/unmap routines and preventing a NULL pointer
 de-reference.
 
 s3c-hsotg has been switched over to devm_* API, got some
 locking fixes and improvements and it also got an implementation
 for the pullup() method.
 
 the mass storage gadgets changed default value of the removable
 parameter, dropped some unused options and made "file" and "ro"
 module_parameters read-only in some cases.
 
 ffs function got support for HID descriptor.
 
 Some UDCs have been converted to clk_prepare_enable() and
 clk_disable_unprepare().
 
 Marvell now got support for its USB3 controller in mainline
 after introducing its mv_u3d_core.c driver.
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Merge tag 'gadget-for-v3.6' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next

usb: gadget: patches for v3.6 merge window

This is quite a big pull request and contains patches
all over the place.

omap_udc is now a bit cleaner after removing omap2 support,
fixing some checkpatch.pl warnings and errors, switching over
to generic map/unmap routines and preventing a NULL pointer
de-reference.

s3c-hsotg has been switched over to devm_* API, got some
locking fixes and improvements and it also got an implementation
for the pullup() method.

the mass storage gadgets changed default value of the removable
parameter, dropped some unused options and made "file" and "ro"
module_parameters read-only in some cases.

ffs function got support for HID descriptor.

Some UDCs have been converted to clk_prepare_enable() and
clk_disable_unprepare().

Marvell now got support for its USB3 controller in mainline
after introducing its mv_u3d_core.c driver.
2012-07-05 15:10:09 -07:00
Kishon Vijay Abraham I
ded017ee6c usb: phy: fix return value check of usb_get_phy
usb_get_phy will return -ENODEV if it's not able to find the phy. Hence
fixed all the callers of usb_get_phy to check for this error condition
instead of relying on a non-zero value as success condition.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-07-02 10:40:49 +03:00
Tony Lindgren
5f6129675b Merge branches 'cleanup-udc' and 'cleanup-dma' into cleanup 2012-06-28 05:46:41 -07:00
Kishon Vijay Abraham I
662dca54ca usb: otg: support for multiple transceivers by a single controller
Add a linked list for keeping multiple PHY instances with different
types so that we can have separate USB2 and USB3 PHYs on one single
board. _get_phy_ has been changed so that the controller gets
the transceiver by type. _remove_phy_ has been added to let the phy
be removed from the phy list.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-06-25 14:05:35 +03:00
Kishon Vijay Abraham I
721002ec1d usb: otg: utils: rename function name in OTG utils
_transceiver() in otg.c is replaced with _phy. usb_set_transceiver is
replaced with usb_add_phy to make it similar to other usb standard
function names like usb_add_hcd.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-06-25 14:04:26 +03:00
Ido Shayevitz
77964b3ce8 usb: gadget: omap_udc: Remove unneeded condition
The removed condition is always true, since the endpoint descriptor is
set prior to calling the enable endpoint.

Signed-off-by: Ido Shayevitz <idos@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-06-04 18:15:47 +03:00
Tony Lindgren
b924b20470 ARM: OMAP: Make FS USB omap1 only
As the FS USB code is not being actively used for omap2+
there's no point keeping it around for omap2+.

Let's make the FS USB platform init code omap1 only so
we can remove the last user of omap_read/write for omap2+,
and simplify things for further USB, DMA, and device tree
related work.

While at it, also group the mach includes for the related
drivers.

Cc: linux-usb@vger.kernel.org
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-04 00:57:57 -07:00
Felipe Balbi
dd8e93814a usb: gadget: omap_udc: use generic map/unmap routines
This patch makes use of the generic map/unmap
routines on the omap_udc driver. Removes
some useless and duplicated code.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-06-03 23:11:35 +03:00
Felipe Balbi
23673d7d26 usb: gadget: omap_udc: kfree(NULL) is safe
we don't need to check for _req because
kfree(NULL) is safe. Also, if someone
actually passes a NULL pointer to be freed
by usb_ep_free_request(), he deserves any
issue he faces.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-06-03 23:11:34 +03:00
Felipe Balbi
70617db7ad usb: gadget: omap_udc: remove possiblity of NULL pointer de-reference
when allocating a request, it's better programming
practice to make sure we return NULL if allocation
failed.

This will ensure that, if struct usb_request isn't
the first member on our structure, we don't cheat
the gadget driver into thinking allocating worked
because pointer isn't 0.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-06-03 23:11:33 +03:00
Felipe Balbi
dc1737cdd7 usb: gadget: omap_udc: let it work as a module
this also helps removing a few lines of boilerplate
code.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-06-03 23:11:32 +03:00
Felipe Balbi
5b6d84b789 usb: gadget: omap_udc: remove useless print
that print isn't needed at all. Remove it
and move the use_dma reinitialization to
probe() function.

Note that ideally we would drop all
cpu_is_* and machine_is_* checks from
this driver instead. Later patches will
come to get rid of those.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-06-03 23:11:30 +03:00
Felipe Balbi
80dd1358d3 usb: gadget: omap_udc: make checkpatch.pl happy
This patch is just a cleanup patch to make
checkpatch.pl a little happier with the
omap_udc.c driver.

No functional changes.

Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-06-03 23:11:29 +03:00
Tony Lindgren
ae3725716e usb: gadget: omap_udc: Remove omap2 support
There are no active users of this code for omap2 as
the boards in use have either TUSB or MUSB controller.

While at it, also fix warnings related to uninitialized
dc_clk and hhc_clk.

Cc: linux-usb@vger.kernel.org
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-06-03 23:11:27 +03:00
Ido Shayevitz
f8bdae0614 usb: gadget: Update omap_udc to use usb_endpoint_descriptor inside the struct usb_ep
Remove redundant pointer to struct usb_endpoint_descriptor.

Signed-off-by: Ido Shayevitz <idos@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-05-04 15:52:57 +03:00
David Howells
9ffc93f203 Remove all #inclusions of asm/system.h
Remove all #inclusions of asm/system.h preparatory to splitting and killing
it.  Performed with the following command:

perl -p -i -e 's!^#\s*include\s*<asm/system[.]h>.*\n!!' `grep -Irl '^#\s*include\s*<asm/system[.]h>' *`

Signed-off-by: David Howells <dhowells@redhat.com>
2012-03-28 18:30:03 +01:00
Greg Kroah-Hartman
f9b0f51709 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.
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Merge tag 'gadget-for-v3.4' of 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
2012-03-01 09:20:28 -08:00
Heikki Krogerus
6e13c6505c usb: otg: Convert all users to pass struct usb_otg for OTG functions
This changes the otg functions so that they receive struct
otg instead of struct usb_phy as parameter and
converts all users of these functions to pass the otg member
of their usb_phy.

Includes fixes to IMX code from Sascha Hauer.

[ balbi@ti.com : fixed a compile warning on ehci-mv.c ]

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Acked-by: Li Yang <leoli@freescale.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-02-27 15:41:52 +02:00
Heikki Krogerus
b96d3b0836 usb: Convert all users to new usb_phy
Use the new usb_phy_* functions with transceiver
operations instead of the old otg functions.

Includes fixes from Sascha Hauer.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Acked-by: Li Yang <leoli@freescale.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-02-27 15:41:48 +02:00
Ido Shayevitz
f9c56cdd39 usb: gadget: Clear usb_endpoint_descriptor inside the struct usb_ep on disable
This fix a bug in f_serial, which expect the ep->desc to be NULL after
disabling an endpoint.

Cc: stable@vger.kernel.org
Signed-off-by: Ido Shayevitz <idos@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-02-24 12:22:38 +02:00
Heikki Krogerus
8675381109 usb: otg: Rename otg_transceiver to usb_phy
This is the first step in separating USB transceivers from
USB OTG utilities.

Includes fixes to IMX code from Sascha Hauer.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Acked-by: Li Yang <leoli@freescale.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
2012-02-13 13:34:36 +02:00
Rusty Russell
90ab5ee941 module_param: make bool parameters really bool (drivers & misc)
module_param(bool) used to counter-intuitively take an int.  In
fddd5201 (mid-2009) we allowed bool or int/unsigned int using a messy
trick.

It's time to remove the int/unsigned int option.  For this version
it'll simply give a warning, but it'll break next kernel version.

Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-01-13 09:32:20 +10:30
Michal Nazarewicz
7177aed44f usb: gadget: rename usb_gadget_driver::speed to max_speed
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>
2011-12-12 11:45:12 +02:00
Michal Nazarewicz
d327ab5b6d usb: gadget: replace usb_gadget::is_dualspeed with max_speed
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>
2011-12-12 11:45:11 +02:00
Yong Zhang
b5dd18d874 USB: irq: Remove IRQF_DISABLED
This flag is a NOOP and can be removed now.

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-09-18 01:39:36 -07:00
Klaus Schwarzkopf
28c9fc68eb usb gadget: clean up FSF boilerplate text
remove the following two paragraphs as they are not needed:

This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
License for more details.

You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,59
Temple Place - Suite 330, Boston, MA  02111-1307, USA.

Signed-off-by: Klaus Schwarzkopf <schwarzkopf@sensortherm.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-09-09 16:00:09 -07:00
Kuninori Morimoto
29cc88979a USB: use usb_endpoint_maxp() instead of le16_to_cpu()
Now ${LINUX}/drivers/usb/* can use usb_endpoint_maxp(desc) to get maximum packet size
instead of le16_to_cpu(desc->wMaxPacketSize).
This patch fix it up

Cc: Armin Fuerst <fuerst@in.tum.de>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Johannes Erdfelt <johannes@erdfelt.com>
Cc: Vojtech Pavlik <vojtech@suse.cz>
Cc: Oliver Neukum <oliver@neukum.name>
Cc: David Kubicek <dave@awk.cz>
Cc: Johan Hovold <jhovold@gmail.com>
Cc: Brad Hards <bhards@bigpond.net.au>
Acked-by: Felipe Balbi <balbi@ti.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Thomas Dahlmann <dahlmann.thomas@arcor.de>
Cc: David Brownell <david-b@pacbell.net>
Cc: David Lopo <dlopo@chipidea.mips.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Michal Nazarewicz <m.nazarewicz@samsung.com>
Cc: Xie Xiaobo <X.Xie@freescale.com>
Cc: Li Yang <leoli@freescale.com>
Cc: Jiang Bo <tanya.jiang@freescale.com>
Cc: Yuan-hsin Chen <yhchen@faraday-tech.com>
Cc: Darius Augulis <augulis.darius@gmail.com>
Cc: Xiaochen Shen <xiaochen.shen@intel.com>
Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: OKI SEMICONDUCTOR, <toshiharu-linux@dsn.okisemi.com>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Ben Dooks <ben@simtec.co.uk>
Cc: Thomas Abraham <thomas.ab@samsung.com>
Cc: Herbert Pötzl <herbert@13thfloor.at>
Cc: Arnaud Patard <arnaud.patard@rtp-net.org>
Cc: Roman Weissgaerber <weissg@vienna.at>
Acked-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Tony Olech <tony.olech@elandigitalsystems.com>
Cc: Florian Floe Echtler <echtler@fs.tum.de>
Cc: Christian Lucht <lucht@codemercs.com>
Cc: Juergen Stuber <starblue@sourceforge.net>
Cc: Georges Toth <g.toth@e-biz.lu>
Cc: Bill Ryder <bryder@sgi.com>
Cc: Kuba Ober <kuba@mareimbrium.org>
Cc: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-08-23 09:47:40 -07:00
Sebastian Andrzej Siewior
0f91349b89 usb: gadget: convert all users to the new udc infrastructure
peripheral drivers are using usb_add_gadget()/usb_del_gadget() to
register/unregister to the udc-core.

The udc-core will take the first available gadget driver and attach
function driver which is calling usb_gadget_register_driver(). This is
the same behaviour we have right now.

Only dummy_hcd was tested, the others were compiled tested.

Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Anton Tikhomirov <av.tikhomirov@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Dan Carpenter <error27@gmail.com>
Cc: Darius Augulis <augulis.darius@gmail.com>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Jingoo Han <jg1.han@samsung.com>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Li Yang <leoli@freescale.com>
Cc: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Pavankumar Kondeti <pkondeti@codeaurora.org>
Cc: Roy Huang <roy.huang@analog.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Toshiharu Okada <toshiharu-linux@dsn.okisemi.com>
Cc: Xiaochen Shen <xiaochen.shen@intel.com>
Cc: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Cc: Yuan-Hsin Chen <yhchen@faraday-tech.com>
Cc: cxie4 <cxie4@marvell.com>
Cc: linux-geode@lists.infradead.org
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-06-28 11:13:35 -07:00