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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>
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Cleanups on various subarchitectures
Cleanup patches for various ARM platforms and some of their associated
drivers, the bulk of these is for mach-91.
Arnd ended up pulling in the restart branch from Russell in order to
fix up some simple but annoying merge conflicts.
* tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (44 commits)
arm/at91: fix build of stamp9g20
ARM: u300: delete memory.h
MAINTAINERS: add maintainer entry for Picochip picoxcell
ARM: picoxcell: move io mappings to common.c
ARM: picoxcell: don't reserve irq_descs
ARM: picoxcell: remove mach/memory.h
ARM: at91: delete the pcontrol_g20_defconfig
arm/tegra: Remove code that's ifndef CONFIG_ARM_GIC
arm/tegra: remove unused defines
arm/tegra: fix variable formatting in makefile
ARM: davinci: vpif: move code to driver core header from platform
ARM: at91/gpio: fix display of number of irq setuped
ARM: at91/gpio: drop PIN_BASE
ARM: at91/udc: use gpio_is_valid to check the gpio
ARM: at91/ohci: use gpio_is_valid to check the gpio
ARM: at91/nand: use gpio_is_valid to check the gpio
ARM: at91/mmc: use gpio_is_valid to check the gpio
ARM: at91/ide: use gpio_is_valid to check the gpio
ARM: at91/pata: use gpio_is_valid to check the gpio
ARM: at91/soc: use gpio_is_valid to check the gpio
...
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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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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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* if you do dput() of root dentry, do *not* follow that with iput() of root
inode.
* while we are at it, don't do that dput() at all - you are leaving the pointer
in ->s_root and your ->kill_sb() will be very unhappy with that. It will do
proper dput(), though, so the easiest way is to leave that to it entirely.
* freeing ->s_fs_info is also best left to ->kill_sb() (which will do it
anyway), especially since we leave the pointer in place.
* that xchg() in ->kill_sb() is not a bug per se, but it's a plain and simple
masturbation with fewer excuses than Onan had...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (53 commits)
Kconfig: acpi: Fix typo in comment.
misc latin1 to utf8 conversions
devres: Fix a typo in devm_kfree comment
btrfs: free-space-cache.c: remove extra semicolon.
fat: Spelling s/obsolate/obsolete/g
SCSI, pmcraid: Fix spelling error in a pmcraid_err() call
tools/power turbostat: update fields in manpage
mac80211: drop spelling fix
types.h: fix comment spelling for 'architectures'
typo fixes: aera -> area, exntension -> extension
devices.txt: Fix typo of 'VMware'.
sis900: Fix enum typo 'sis900_rx_bufer_status'
decompress_bunzip2: remove invalid vi modeline
treewide: Fix comment and string typo 'bufer'
hyper-v: Update MAINTAINERS
treewide: Fix typos in various parts of the kernel, and fix some comments.
clockevents: drop unknown Kconfig symbol GENERIC_CLOCKEVENTS_MIGR
gpio: Kconfig: drop unknown symbol 'CS5535_GPIO'
leds: Kconfig: Fix typo 'D2NET_V2'
sound: Kconfig: drop unknown symbol ARCH_CLPS7500
...
Fix up trivial conflicts in arch/powerpc/platforms/40x/Kconfig (some new
kconfig additions, close to removed commented-out old ones)
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Conflicts:
arch/arm/mach-at91/at91cap9.c
arch/arm/mach-at91/at91sam9260.c
arch/arm/mach-at91/at91sam9261.c
arch/arm/mach-at91/at91sam9263.c
arch/arm/mach-at91/at91sam9g45.c
arch/arm/mach-at91/at91sam9rl.c
arch/arm/mach-exynos/cpu.c
arch/arm/mach-shmobile/board-kota2.c
This resolves a bunch of conflicts between the arm-soc tree
and changes from the arm tree that have gone upstream.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Conflicts:
net/bluetooth/l2cap_core.c
Just two overlapping changes, one added an initialization of
a local variable, and another change added a new local variable.
Signed-off-by: David S. Miller <davem@davemloft.net>
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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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Where are inside an 'if USB_GADGET'.
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Instead use container_of to retrieve the s3c_hsudc from the
struct usb_gadget pointer.
[ balbi@ti.com : changed verbose container_of() into
an already provided helper 'to_hsudc()' ]
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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As the memory region is requested through request_mem_region
use the correct paired method to release it in the error path
and don't go "beneath the API".
Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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The udc has three supplies: vdda (3.3V), vddi (1.2V) and vddosc (1.8-3.3V).
Turn these on and off on start and stop calls.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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udc_start and udc_stop reduce code duplication in comparison to
start and stop generalising calls done by all drivers
(i.e. bind and unbind) and moving these calls to common code.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Instead of adding and deleting the gadget device in the start and stop
invocations. Use device_register in the probe method to initialize
and add the gadget device.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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The number of get and put calls should always be equal.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Fixes possible section mismatch warnings.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Gadget drivers should be compilable on all architectures.
This patch removes one dependency on architecture-specific code.
Acked-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This patch do the following things:
1. Change the Kconfig information.
2. Rename the driver name.
3. Don't do any type cast to io memory.
4. Add dummy stub for clk framework.
Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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According to ChipIdea's SPEC, we cannot touch curr_dtd_ptr in dqh
directly, use prime endpoint instead.
Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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We should not change gadget driver's descriptors just
because we think it's right to do so.
There are several of reasons which would support this
statement but it suffices to say that this was probably
never tested because it updates bmAttributes without
asking the driver if it's ok to do so.
This means that e.g. on UASP gadget it would enable
stream support even for the command endpoint which must
not have stream support enabled.
In fact, this change is fixing the bug introduced by
commit a59d6b9 (usb: gadget: add streams support to
the gadget framework) which was caught when testing
UASP gadget with dwc3 driver.
Cc: Tatyana Brokhman <tlinder@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Rewrite function queue_dtd according to ChipIdea's reference manual.
Remove all unnecessary logic, it will enhance the performance.
Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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readl expected 'const volatile void *' as the argument.
Signed-off-by: Neil Zhang <zhangwm@marvell.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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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
* 'for-next/dwc3' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb: (392 commits)
usb: dwc3: ep0: fix for possible early delayed_status
usb: dwc3: gadget: fix stream enable bit
usb: dwc3: ep0: fix GetStatus handling (again)
usb: dwc3: ep0: use dwc3_request for ep0 requsts instead of usb_request
usb: dwc3: use correct hwparam register for power mgm check
usb: dwc3: omap: move to module_platform_driver
usb: dwc3: workaround: missing disconnect event
usb: dwc3: workaround: missing USB3 Reset event
usb: dwc3: workaround: U1/U2 -> U0 transiton
usb: dwc3: gadget: return early in dwc3_cleanup_done_reqs()
usb: dwc3: ep0: handle delayed_status again
usb: dwc3: ep0: push ep0state into xfernotready processing
usb: dwc3: fix sparse errors
usb: dwc3: fix few coding style problems
usb: dwc3: move generic dwc3 code from gadget into core
usb: dwc3: use a helper function for operation mode setting
usb: dwc3: ep0: don't use ep0in for transfers
usb: dwc3: ep0: use proper endianess in SetFeature for wIndex
usb: dwc3: core: drop DWC3_EVENT_BUFFERS_MAX
usb: dwc3: omap: add multiple instances support to OMAP
...
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Release superspeed mass storage descriptors memory
when the function is unbind.
Signed-off-by: Yu Xu <yuxu@marvell.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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We can decide in runtime if that will be used
or not.
Signed-off-by: Felipe Balbi <balbi@ti.com>
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replace some debug info, make it easy to use.
Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This patch impletments system suspend/resume functions for Marvell
otg controller.
If OTG is enabled, OTG driver will do most of the work.
If not, we will check clock gating.
If clock gating is enabled, the UDC will be start/stop automatically.
If not, UDC will be start/stop in suspend/resume functions.
Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Split the clock relative code from clock gating solution.
Then we can remove some duplicate code, make the code more clean.
Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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When device is stopped, there is no need to handle ISR.
Especially when otg switch to HOST mode.
Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Add otg relative code, make it possible to switch between host and
device.
Signed-off-by: Neil Zhang <zhangwm@marvell.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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The advantage of kcalloc is, that will prevent integer overflows which could
result from the multiplication of number of elements and size and it is also
a bit nicer to read.
The semantic patch that makes this change is available
in https://lkml.org/lkml/2011/11/25/107
Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Acked-by: Michal Nazarewicz <[4]mina86@mina86.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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Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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With Peiyu's patch "gadget: mass_storage: adapt logic block size to bound block
devices" (http://www.spinics.net/lists/linux-usb/msg50791.html), now mass storage
can adjust logic block size dynamically based on real devices.
Then there is one issue caused by it, if two luns have different logic block size,
mass storage can't work.
Let's check the current software flow:
1. get_next_command(): call received_cbw();
2. received_cbw(): update common->lun = cbw->Lun, but common->curlen is not updated;
3. do_scsi_command(): in READ_X and WRITE_X commands, common->data_size_from_cmnd is
updated by common->curlun->blkbits;
4. check_command(): update common->curlun according to common->lun
As you can see, the step 3 uses wrong common->curlun, then wrong common->curlun->blkbits.
If the two luns have same blkbits, there isn't issue. Otherwise, both will fail.
This patch moves the common->curlun update to step 1, then make sure step 3 gets right
blkbits and data_size_from_cmnd.
Cc: Peiyu Li <peiyu.li@csr.com>
Signed-off-by: YuPing Luo <yuping.luo@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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The ci13xxx_udc driver checks the number of endpoints in the udc
controller, however some routines expect that the hardware has 16
bidirectional endpoints.
This patch improves the driver to work on controllers with less than
16 endpoints like the udc controller found on freescale's
mx23 and mx28.
Tested-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Some gadget drivers don't implement suspend and/or resume functions.
Instead of changing the gadget drivers, make suspend and resume in
ci13xxx_udc (following other udc drivers) optional.
Tested-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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The original implementation of dequeuing a request in progress
is not correct. Change to use a correct process and also clean
up the related functions a little bit.
Signed-off-by: Li Yang <leoli@freescale.com>
Acked-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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In order to support multiple SoC kernel image, compile-time dependency
on a specific SoC type should be avoided.
fsl_udc_clk_finalize is already protected by cpu_is_mx35(), so remove
the compile-time check for CONFIG_SOC_IMX35.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix the following build error:
CC [M] drivers/usb/gadget/fsl_mxc_udc.o
drivers/usb/gadget/fsl_mxc_udc.c: In function 'fsl_udc_clk_finalize':
drivers/usb/gadget/fsl_mxc_udc.c:98: error: implicit declaration of function 'readl'
drivers/usb/gadget/fsl_mxc_udc.c:100: error: implicit declaration of function 'writel'
This error is caused by the follwing commit:
(16fcb63: arm/imx: remove mx31_setup_weimcs( ) from mx31.h)
,which removed '#include <linux/io.h>' from mx31.h.
fsl_mxc_udc.c includes <mach/hardware.h>, which in turns includes mx31.h, so
that's the reason fsl_mxc_udc.c built fine previously.
Instead of relying on the indirect inclusion of the linux/io.h header file,
include it directly in fsl_mxc_udc.c.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Some ISO gadgets, like audio, has SYNC attribute as well as
USB_ENDPOINT_XFER_ISOC for their bmAttributes at ISO endpoint
descriptor. So, it needs to use usb_endpoint_xfer_isoc to judge
ISO XFER.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Acked-by: Li Yang <leoli@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Several UDC drivers had a gadget driver's speed sanity check of the
form of:
driver->speed != USB_SPEED_HIGH
or:
driver->speed != USB_SPEED_HIGH && driver->speed != USB_SPEED_FULL
As more and more gadget drivers support USB SuperSpeed, driver->speed
may be set to USB_SPEED_SUPER and UDC driver should handle such gadget
correctly. The above checks however fail to recognise USB_SPEED_SUPER
as a valid speed.
This commit changes the two checks to:
driver->speed < USB_SPEED_HIGH
or:
driver->speed < USB_SPEED_FULL
respectively.
Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Reported-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Commit "usb: gadget: use config_ep_by_speed() instead of
ep_choose()" broke g_serial in "non ACM nor OBEX"
mode. Apply a trivial fix on usb endpoints discovery.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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