Instead of calling usb_string_id() multiple times I replace it with one
usb_string_ids_tab(). The NULL pointer in struct usb_string with "" and
are not overwritten in fail or unbind case.
The conditional assignment remains because some gadgets recycle the string
ID because the same descriptor (and string ID) is used if we have more
than one config descriptor.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
There is no need for this variable in between.
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch removes the shifting and masking of interface and its alt
setting and provides its own variable.
This looks better and is smaller:
text data bss dec hex filename
x86-32
6940 956 56 7952 1f10 gadget/audio.o.old
6908 956 56 7920 1ef0 gadget/audio.o.new
arm
7914 956 56 8926 22de gadget/audio.o.old
7886 956 56 8898 22c2 gadget/audio.o.new
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
DMA_ADDR_INVALID is used by the UDC driver and the gadgets should
provide only a buffer address. Everything else should be taken core of
by the UDC and udc-core.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
HS and SS descriptors are staticaly created. They are updated during the
bind process with the endpoint address, string id or interface numbers.
After that, the descriptor chain is linked to struct usb_function which
is used by composite in order to serve the GET_DESCRIPTOR requests,
number of available configs and so on.
There is no need to assign the HS descriptor only if the UDC supports
HS speed because composite won't report those to the host if HS support
has not been reached. The same reasoning is valid for SS.
This patch makes sure each function updates HS/SS descriptors
unconditionally and uses the newly introduced helper function to create a
copy the descriptors for the speed which is supported by the UDC.
While at that, also rename f->descriptors to f->fs_descriptors in order
to make it more explicit what that means.
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The "video->minor = -1" assigment is done in V4L2 by
video_register_device() so it is removed here.
Now. uvc_function_bind() calls in error case uvc_function_unbind() for
cleanup. The problem is that uvc_function_unbind() frees the uvc struct
and uvc_bind_config() does as well in error case of usb_add_function().
Removing kfree() in usb_add_function() would make the patch smaller but
it would look odd because the new allocated memory is not cleaned up.
However it is not guaranteed that if we call usb_add_function() we also
get to the bind function.
Therefore the patch extracts the conditional cleanup from
uvc_function_unbind() applies to uvc_function_bind().
uvc_function_unbind() now contains only the complete cleanup which is
required once everything has been registrated.
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Bhupesh Sharma <bhupesh.sharma@st.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This function works only on FS or HS. If the gadget is HS capable only
HS descriptors are assigned. If we plug it to an 1.1 host it won't work
because we have only 2.0 descriptors. This patch changes the behavior to
provide both sets.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The HS descriptors are only created if HS is supported by the UDC but we
never free them.
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Whether highspeed configuration is valid or not is something that
composite decides and not the gadget. That gadget can only provide the
required descriptors for it.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
I think this is wrong since 72c973dd ("usb: gadget: add
usb_endpoint_descriptor to struct usb_ep"). If we fail to allocate an ep
or bail out early we shouldn't check for the descriptor which is
assigned at ep_enable() time.
Cc: Tatyana Brokhman <tlinder@codeaurora.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
In case something goes wrong here, don't leak memory / endpoints.
Acked-by: Jassi Brar <jassisinghbrar@gmail.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The 9 for HS means 32ms. Use the macro to make it easier to read.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The 5+4 magic for HS tries to aim 32ms which is also what is intended
with 1 << 5 for FS. This little macro should make this easier to
understand.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
The descriptor list for FS speed was not NULL terminated. This patch
fixes this.
While here one of the twe two bAlternateSetting assignments for the BOT
interface. Both assign 0, one is enough.
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Commit d11519 ("usb: gadget: Add Interface Association Descriptor to
ECM") added the IAD descriptor to FS and HS descriptors. The SS
descriptor has been left out probably because it has been added "just
recently".
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch enabled dma mapping, and used dma transfer handler
on mod_host
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
mod.h has irq_bempsts/irq_brdysts to keep each irq status,
but it was difficult to find where they were used
on renesas_usbhs driver by using "grep irq_xxxx" command,
since it used irq_##status macro.
This patch fixup them
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This patch uses devm_request_irq() instead of request_irq(),
and removed free_irq() from driver
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
When rts51x_read_status() returns USB_STOR_TRANSPORT_ERROR,
an error happens. This patch fixes build warning as below:
drivers/usb/storage/realtek_cr.c: In function 'init_realtek_cr':
drivers/usb/storage/realtek_cr.c:476:33: warning: 'buf[15]' may be used uninitialized in this function [-Wuninitialized]
drivers/usb/storage/realtek_cr.c:455:5: note: 'buf[15]' was declared here
drivers/usb/storage/realtek_cr.c:475:33: warning: 'buf[14]' may be used uninitialized in this function [-Wuninitialized]
drivers/usb/storage/realtek_cr.c:455:5: note: 'buf[14]' was declared here
drivers/usb/storage/realtek_cr.c:474:50: warning: 'buf[13]' may be used uninitialized in this function [-Wuninitialized]
drivers/usb/storage/realtek_cr.c:455:5: note: 'buf[13]' was declared here
drivers/usb/storage/realtek_cr.c:472:30: warning: 'buf[12]' may be used uninitialized in this function [-Wuninitialized]
drivers/usb/storage/realtek_cr.c:455:5: note: 'buf[12]' was declared here
drivers/usb/storage/realtek_cr.c:471:31: warning: 'buf[11]' may be used uninitialized in this function [-Wuninitialized]
drivers/usb/storage/realtek_cr.c:455:5: note: 'buf[11]' was declared here
drivers/usb/storage/realtek_cr.c:470:31: warning: 'buf[10]' may be used uninitialized in this function [-Wuninitialized]
drivers/usb/storage/realtek_cr.c:455:5: note: 'buf[10]' was declared here
drivers/usb/storage/realtek_cr.c:469:30: warning: 'buf[9]' may be used uninitialized in this function [-Wuninitialized]
drivers/usb/storage/realtek_cr.c:455:5: note: 'buf[9]' was declared here
drivers/usb/storage/realtek_cr.c:468:27: warning: 'buf[8]' may be used uninitialized in this function [-Wuninitialized]
drivers/usb/storage/realtek_cr.c:455:5: note: 'buf[8]' was declared here
drivers/usb/storage/realtek_cr.c:468:43: warning: 'buf[7]' may be used uninitialized in this function [-Wuninitialized]
drivers/usb/storage/realtek_cr.c:455:5: note: 'buf[7]' was declared here
drivers/usb/storage/realtek_cr.c:467:30: warning: 'buf[6]' may be used uninitialized in this function [-Wuninitialized]
drivers/usb/storage/realtek_cr.c:455:5: note: 'buf[6]' was declared here
drivers/usb/storage/realtek_cr.c:466:30: warning: 'buf[5]' may be used uninitialized in this function [-Wuninitialized]
drivers/usb/storage/realtek_cr.c:455:5: note: 'buf[5]' was declared here
drivers/usb/storage/realtek_cr.c:465:28: warning: 'buf[4]' may be used uninitialized in this function [-Wuninitialized]
drivers/usb/storage/realtek_cr.c:455:5: note: 'buf[4]' was declared here
drivers/usb/storage/realtek_cr.c:464:24: warning: 'buf[3]' may be used uninitialized in this function [-Wuninitialized]
drivers/usb/storage/realtek_cr.c:455:5: note: 'buf[3]' was declared here
drivers/usb/storage/realtek_cr.c:464:40: warning: 'buf[2]' may be used uninitialized in this function [-Wuninitialized]
drivers/usb/storage/realtek_cr.c:455:5: note: 'buf[2]' was declared here
drivers/usb/storage/realtek_cr.c:463:24: warning: 'buf[1]' may be used uninitialized in this function [-Wuninitialized]
drivers/usb/storage/realtek_cr.c:455:5: note: 'buf[1]' was declared here
drivers/usb/storage/realtek_cr.c:463:40: warning: 'buf[0]' may be used uninitialized in this function [-Wuninitialized]
drivers/usb/storage/realtek_cr.c:455:5: note: 'buf[0]' was declared here
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use ftdi_get_modem_status to check hardware buffers in chars_in_buffer.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
No need to check hardware buffers when we know that the software
buffers are non-empty.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Use generic chars_in_buffer rather than copying it's implementation.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Export generic chars_in_buffer implementation so it can be used in
subdrivers in combination with checks of any hardware buffers.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Make sure we do not return USB-internal error codes to userspace.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Align the modem-control status operands as was originally indented.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove unused port field from private port data.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Since there's no possible caller of dbgp_external_startup() and
dbgp_reset_prep() when !USB_EHCI_HCD, there's no point in building and
exporting these functions in that case. This eliminates a build error
under the conditions listed in the subject, introduced with the merge
f1c6872e49.
Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The usage of strict_strtoul() is not preferred, because
strict_strtoul() is obsolete. Thus, kstrtoul() should be
used.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Since there's no possible caller of dbgp_external_startup() and
dbgp_reset_prep() when !USB_EHCI_HCD, there's no point in building and
exporting these functions in that case. This eliminates a build error
under the conditions listed in the subject, introduced with the merge
f1c6872e49.
Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Cc: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Make sure we do not allocate urbs if we do not have a bulk endpoint.
Legacy code used incorrect assumption to test for bulk endpoints.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dev_<level> calls take less code than dev_printk(KERN_<LEVEL>
and reducing object size is good.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We're reverting MUSB Mode 1 DMA patch which caused many regressions. Meanwhile
Roger is cooking a better version of that patch, which will hopefully be ready
for v3.8 merge window.
We also fix an undeclared error in ux5000_remove() and another build error
when we try to build USB_MUSB_OMAP2PLUS as a module.
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Merge tag 'fixes-for-v3.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
usb: fixes for v3.7-rc4
We're reverting MUSB Mode 1 DMA patch which caused many regressions. Meanwhile
Roger is cooking a better version of that patch, which will hopefully be ready
for v3.8 merge window.
We also fix an undeclared error in ux5000_remove() and another build error
when we try to build USB_MUSB_OMAP2PLUS as a module.
TWL4030_USB & TWL6030_USB must depend on USB_MUSB_OMAP2PLUS in Kconfig else
we get build errors with
CONFIG_USB_MUSB_HDRC=m
CONFIG_USB_MUSB_OMAP2PLUS=m
CONFIG_TWL4030_USB=y
CONFIG_TWL6030_USB=y
LD init/built-in.o
drivers/built-in.o: In function `twl4030_usb_irq':
drivers/usb/otg/twl4030-usb.c:518: undefined reference to `omap_musb_mailbox'
drivers/built-in.o: In function `twl4030_usb_phy_init':
drivers/usb/otg/twl4030-usb.c:540: undefined reference to `omap_musb_mailbox'
drivers/built-in.o: In function `twl6030_usb_irq':
drivers/usb/otg/twl6030-usb.c:230: undefined reference to `omap_musb_mailbox'
drivers/usb/otg/twl6030-usb.c:225: undefined reference to `omap_musb_mailbox'
drivers/built-in.o: In function `twl6030_usbotg_irq':
drivers/usb/otg/twl6030-usb.c:259: undefined reference to `omap_musb_mailbox'
CC: Peter Meerwald <pmeerw@pmeerw.net>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This pulls in all of the USB changes in 3.7-rc3 into usb-next and
resolves the merge issue with:
drivers/usb/misc/ezusb.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 65b3d52d02
(usb: musb: add musb_ida for multi instance support)
used musbid in ux500_remove() but nerver declared it.
I found this in x86_64 platform, but not sure whether
this is a error on the correct ARCH.
$ make drivers/usb/musb/ux500.o
make[1]: Nothing to be done for `all'.
make[1]: Nothing to be done for `relocs'.
CHK include/generated/uapi/linux/version.h
CHK include/generated/utsrelease.h
UPD include/generated/utsrelease.h
CALL scripts/checksyscalls.sh
CC drivers/usb/musb/ux500.o
drivers/usb/musb/ux500.c: In function 'ux500_probe':
drivers/usb/musb/ux500.c:78:2: error: 'musbid' undeclared (first use in this function)
drivers/usb/musb/ux500.c:78:2: note: each undeclared identifier is reported only once for each function it appears in
make[1]: *** [drivers/usb/musb/ux500.o] Error 1
make: *** [drivers/usb/musb/ux500.o] Error 2
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Felipe Balbi <balbi@ti.com>
platform_device_unregister() only calls platform_device_del() and
platform_device_put(), thus use platform_device_unregister() to
simplify the code.
Also the documents in platform.c shows that platform_device_del
and platform_device_put must _only_ be externally called in error
cases. All other usage is a bug.
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Felipe Balbi <balbi@ti.com>
platform_device_unregister() only calls platform_device_del() and
platform_device_put(), thus use platform_device_unregister() to
simplify the code.
Also the documents in platform.c shows that platform_device_del
and platform_device_put must _only_ be externally called in error
cases. All other usage is a bug.
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Felipe Balbi <balbi@ti.com>
platform_device_unregister() only calls platform_device_del() and
platform_device_put(), thus use platform_device_unregister() to
simplify the code.
Also the documents in platform.c shows that platform_device_del
and platform_device_put must _only_ be externally called in error
cases. All other usage is a bug.
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Felipe Balbi <balbi@ti.com>
platform_device_unregister() only calls platform_device_del() and
platform_device_put(), thus use platform_device_unregister() to
simplify the code.
Also the documents in platform.c shows that platform_device_del
and platform_device_put must _only_ be externally called in error
cases. All other usage is a bug.
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Felipe Balbi <balbi@ti.com>
platform_device_unregister() only calls platform_device_del() and
platform_device_put(), thus use platform_device_unregister() to
simplify the code.
Also the documents in platform.c shows that platform_device_del
and platform_device_put must _only_ be externally called in error
cases. All other usage is a bug.
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Felipe Balbi <balbi@ti.com>
platform_device_unregister() only calls platform_device_del() and
platform_device_put(), thus use platform_device_unregister() to
simplify the code.
Also the documents in platform.c shows that platform_device_del
and platform_device_put must _only_ be externally called in error
cases. All other usage is a bug.
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Felipe Balbi <balbi@ti.com>
platform_device_unregister() only calls platform_device_del() and
platform_device_put(), thus use platform_device_unregister() to
simplify the code.
Also the documents in platform.c shows that platform_device_del
and platform_device_put must _only_ be externally called in error
cases. All other usage is a bug.
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This reverts commit 4f3e8d263d.
it turns out that current implementation of Mode 1
DMA added a few regressions to some users, so we
need to revert this patch and let author work on
a better version of Mode 1 DMA support.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Remove the variable ep_ctx from xhci_add_endpoint(), since it is
assigned but unused. Caught by Coverity.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Remove the variable slot_ctx from xhci_dbg_ctx(), since it is assigned
but unused. Caught by Coverity.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Coverity complains that xhci_evaluate_context_result() is missing a
break statement after the COMP_EBADSLT switch case. It's not a big
deal, since we wanted to return the same error code as the case
statement below it does. The end result would be one that a Slot
Disabled error completion code would also print the warning message
associated with a Context State error code. No other bad behavior would
result.
It's not worth backporting to stable kernels, since it only fixes an
issue with too much debugging.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
