Commit Graph

17905 Commits

Author SHA1 Message Date
Badhri Jagan Sridharan 24cf34595d usb: gadget: f_midi: add super speed support
Add super speed descriptors for f_midi.

Signed-off-by: Badhri Jagan Sridharan <Badhri@google.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-15 12:46:05 +03:00
Colin Ian King a79741fdb0 usb: gadget: dummy: fix infinite loop because of missing loop decrement
The while loop never terminates because the loop counter i is never
decremented. Fix this by decrementing i.

Detected by CoverityScan, CID#751073 ("Infinite Loop")

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-15 12:46:04 +03:00
Julia Lawall c05429005b usb: gadget: f_midi: constify snd_rawmidi_ops structures
These snd_rawmidi_ops structures are only passed as the third
argument of snd_rawmidi_set_ops.  This argument is const, so the
snd_rawmidi_ops structures can be const too.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-15 12:46:04 +03:00
Chunfeng Yun dfcdcba9e3 usb: mtu3: add generic compatible string
The mtu3 driver is a generic driver for MediaTek usb3 DRD IP, add
a generic compatible to avoid confusion when support new SoCs but
use a compatible with specific SoC's name "mt8173".

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-15 12:46:04 +03:00
Abdulhadi Mohamed b3c4ec71ec usb: gadget: f_hid: {GET,SET} PROTOCOL Support
The current f_hid driver doesn't handle GET_PROCOTOL and
SET_PROCOTOL requests, which are required to operate HID
gadgets in BOOT mode. This patch implements this feature for
devices that have the same implementation for REPORT and BOOT mode
so that these devices are recognized by older BIOSes.

Signed-off-by: Abdulhadi Mohamed <abdulahhadi2@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-15 12:46:03 +03:00
Chunfeng Yun 4a10a937ed usb: mtu3: fix ip sleep auto-exit issue when enable DRD mode
Ip sleep will auto exit if vbus comparison circuit of u2 phy is
disabled when system tries to enter suspend mode, so get vbus-valid
status from mac but not from u2 phy when enable DRD mode to fix
the issue.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-15 12:46:03 +03:00
Chunfeng Yun d1e4a4076c usb: mtu3: clear u1/u2_enable to 0 in mtu3_gadget_reset
when the device is reset by host, the status of u1_enable and
u2_enable should also be restored to default value.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-15 12:46:03 +03:00
Chunfeng Yun 8ba4ad488e usb: mtu3: handle delayed status of the control transfer
Add the delayed status handling. This is used by mass storage etc to
gain some extra time to setup its internal status before it can proceed
further requests, and once the gadget is ready, it will enqueue an
empty packet which is used for synchronization.
The issue may happen on some FGPA platform with very low cpu frequency.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-15 12:46:02 +03:00
Fabio Estevam c7733dc117 usb: phy: qcom: Use devm_ioremap_resource()
Using devm_ioremap_resource() can make the code simpler, as it
already does the resource NULL check.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-15 12:46:02 +03:00
Julia Lawall 89c9968206 usb: gadget: fsl_qe_udc: constify qe_ep0_desc
qe_ep0_desc is only passed as the second argument to qe_ep_init, which is
const, so qe_ep0_desc can be const too.

Done with the help of Coccinelle.

Acked-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-15 12:46:02 +03:00
Yoshihiro Shimoda b744a2e003 usb: gadget: udc: renesas_usb3: add support for R-Car M3-W
This patch adds support for R-Car M3-W. This patch also adds R-Car
Gen3 generic version's compatible and changes ".compatible" in
the usb3_of_match from "renesas,r8a7796-usb3-peri" to
"renesas,rcar-gen3-usb3-peri".

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-15 12:45:54 +03:00
Yoshihiro Shimoda 974203c0b9 usb: gadget: udc: renesas_usb3: add support for R-Car H3 ES2.0
This patch adds support for R-Car H3 ES2.0. Since this SoC revision
doesn't need workaround for vbus detection and number of ramif is
increased. So, this driver uses soc_device_match() to detect it.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-09 13:13:44 +03:00
Yoshihiro Shimoda 43ba968b00 usb: gadget: udc: renesas_usb3: add debugfs to set the b-device mode
This patch adds debugfs to set the "b-device" mode for using a board
which is not connected to the ID pin (e.g. CN11 on Salvator-X).
If we want to use peripheral mode on such a board, we have to disable
VBUS output first. So, this patch can set such a mode as the following:

 # mount -t debugfs none /sys/kernel/debug
 # modprobe renesas_usb3
 # modprobe g_mass_storage file=/dev/shm/test.bin
 # echo 1 > /sys/kernel/debug/ee020000.usb/b_device

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-09 13:12:06 +03:00
Chunfeng Yun 5c33f8f4c3 usb: mtu3: add a vbus debugfs interface
Provides a new vbus debugfs interface used to turn on/off vbus
regulator, it also can be used to get/put reference count of
vbus, due to sometimes we need keep it alive when manually switch
mtu3 to device mode.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-09 13:10:47 +03:00
Franklin S Cooper Jr c14af973ed usb: dwc3: keystone: Add PM_RUNTIME Support to DWC3 Keystone USB driver
For 66AK2Gx there is a requirement to use PM Runtime to properly manage
clocks and the power domains. Therefore, add PM runtime support. Remove
legacy clock api's calls since other users of this driver worked without
these clock apis calls.

Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-09 13:10:16 +03:00
Gustavo A. R. Silva 0ae99ecba7 usb: dwc3: omap: fix error return code in dwc3_omap_probe()
platform_get_irq() returns an error code, but the dwc3-omap driver
ignores it and always returns -EINVAL. This is not correct and,
prevents -EPROBE_DEFER from being propagated properly.

Notice that platform_get_irq() no longer returns 0 on error:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e330b9a6bb35dc7097a4f02cb1ae7b6f96df92af

Print and propagate the return value of platform_get_irq on failure.

This issue was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-09 13:10:09 +03:00
Doug Wilson 8bcd988972 usb: dwc3: pci: constify dev_pm_ops
dev_pm_ops is not supposed to change at runtime. Marking it constant.

Signed-off-by: Doug Wilson <doug.wilson@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-09 13:09:50 +03:00
Gustavo A. R. Silva 8e374f0add usb: gadget: udc: renesas_usb3: fix error return code in renesas_usb3_probe()
platform_get_irq() returns an error code, but the renesas_usb3 driver
ignores it and always returns -ENODEV. This is not correct and,
prevents -EPROBE_DEFER from being propagated properly.

Also, notice that platform_get_irq() no longer returns 0 on error:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e330b9a6bb35dc7097a4f02cb1ae7b6f96df92af

Print error message and propagate the return value of platform_get_irq
on failure.

This issue was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-09 13:09:19 +03:00
Arvind Yadav b765ff181e usb: gadget: f_uac2: constify snd_pcm_ops structures
snd_pcm_ops are not supposed to change at runtime. All functions
working with snd_pcm_ops provided by <sound/pcm.h> work with
const snd_pcm_ops. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-09 13:08:44 +03:00
Shu Wang d6f5f071f1 xhci: fix memleak in xhci_run()
Found this issue by kmemleak.
xhci_run() did not check return val and free command for
xhci_queue_vendor_command()

unreferenced object 0xffff88011c0be500 (size 64):
  comm "kworker/0:1", pid 58, jiffies 4294670908 (age 50.420s)
  hex dump (first 32 bytes):
  backtrace:
    [<ffffffff8176166a>] kmemleak_alloc+0x4a/0xa0
    [<ffffffff8121801a>] kmem_cache_alloc_trace+0xca/0x1d0
    [<ffffffff81576bf4>] xhci_alloc_command+0x44/0x130
    [<ffffffff8156f1cc>] xhci_run+0x4cc/0x630
    [<ffffffff8153b84b>] usb_add_hcd+0x3bb/0x950
    [<ffffffff8154eac8>] usb_hcd_pci_probe+0x188/0x500
    [<ffffffff815851ac>] xhci_pci_probe+0x2c/0x220
    [<ffffffff813d2ca5>] local_pci_probe+0x45/0xa0
    [<ffffffff810a54e4>] work_for_cpu_fn+0x14/0x20
    [<ffffffff810a8409>] process_one_work+0x149/0x360
    [<ffffffff810a8d08>] worker_thread+0x1d8/0x3c0
    [<ffffffff810ae7d9>] kthread+0x109/0x140
    [<ffffffff8176d585>] ret_from_fork+0x25/0x30
    [<ffffffffffffffff>] 0xffffffffffffffff

Cc: <stable@vger.kernel.org>
Signed-off-by: Shu Wang <shuwang@redhat.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-20 14:40:36 +02:00
Peter Chen 576d55460e usb: xhci: fix spinlock recursion for USB2 test mode
Both xhci_hub_control and xhci_disable_slot tries to hold spinlock, the
spinlock recursion occurs when enters USB2 test mode. Fix it by unlock
spinlock before calling xhci_disable_slot.

Cc: <stable@vger.kernel.org>
Fixes: 0f1d832ed1 ("usb: xhci: Add port test modes support for usb2")
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-20 14:40:36 +02:00
Mathias Nyman a54408d0a0 xhci: fix 20000ms port resume timeout
A uncleared PLC (port link change) bit will prevent furuther port event
interrupts for that port. Leaving it uncleared caused get_port_status()
to timeout after 20000ms while waiting to get the final port event
interrupt for resume -> U0 state change.

This is a targeted fix for a specific case where we get a port resume event
racing with xhci resume. The port event interrupt handler notices xHC is
not yet running and bails out early, leaving PLC uncleared.

The whole xhci port resuming needs more attention, but while working on it
it anyways makes sense to always ensure PLC is cleared in get_port_status
before setting a new link state and waiting for its completion.

Cc: <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-20 14:40:36 +02:00
Shyam Sundar S K 28a2369f7d usb: xhci: Issue stop EP command only when the EP state is running
on AMD platforms with SNPS 3.1 USB controller if stop endpoint command is
issued the controller does not respond, when the EP is not in running
state. HW completes the command execution and reports
"Context State Error" completion code. This is as per the spec. However
HW on receiving the second command additionally marks EP to Flow control
state in HW which is RTL bug. This bug causes the HW not to respond
to any further doorbells that are rung by the driver. This makes the EP
to not functional anymore and causes gross functional failures.

As a workaround, not to hit this problem, it's better to check the EP state
and issue a stop EP command only when the EP is in running state.

As a sidenote, even with this patch there is still a possibility of
triggering the RTL bug if the context state races with the stop endpoint
command as described in xHCI spec 4.6.9

[code simplification and reworded sidenote in commit message -Mathias]
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Signed-off-by: Nehal Shah <Nehal-bakulchandra.Shah@amd.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-20 14:40:35 +02:00
Jiahau Chang 9da5a1092b xhci: Bad Ethernet performance plugged in ASM1042A host
When USB Ethernet is plugged in ASMEDIA ASM1042A xHCI host, bad
performance was manifesting in Web browser use (like download
large file such as ISO image). It is known limitation of
ASM1042A that is not compatible with driver scheduling,
As a workaround we can modify flow control handling of ASM1042A.
The register we modify is changes the behavior

[use quirk bit 28, usleep_range 40-60us, empty non-pci function -Mathias]
Cc: <stable@vger.kernel.org>
Signed-off-by: Jiahau Chang <Lars_chang@asmedia.com.tw>
Signed-off-by: Ian Pilcher <arequipeno@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-20 14:40:35 +02:00
Mathias Nyman 4b895868bb xhci: Fix NULL pointer dereference when cleaning up streams for removed host
This off by one in stream_id indexing caused NULL pointer dereference and
soft lockup on machines with USB attached SCSI devices connected to a
hotpluggable xhci controller.

The code that cleans up pending URBs for dead hosts tried to dereference
a stream ring at the invalid stream_id 0.
ep->stream_info->stream_rings[0] doesn't point to a ring.

Start looping stream_id from 1 like in all the other places in the driver,
and check that the ring exists before trying to kill URBs on it.

Reported-by: rocko r <rockorequin@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-20 14:40:35 +02:00
Greg Kroah-Hartman 3d69f3a8c2 usb: fixes for v4.13-rc2
First set of fixes for the current -rc cycle. Only three fixes on dwc3
 this time around (proper order for getting a PHY reference, fix for
 unmapping DMA and a fix for requesting IRQ on the OMAP glue layer).
 
 Most fixes are on the renesas USB controller, fixing several old bugs
 with most going to stable.
 
 dwc2 also learned that it *must* reset USB Address to zero on Reset
 interrupts.
 
 Apart from these, some drivers needed HAS_DMA dependency and there's a
 sparse warning fix for bdc udc.
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Merge tag 'fixes-for-v4.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus

Felipe writes:

usb: fixes for v4.13-rc2

First set of fixes for the current -rc cycle. Only three fixes on dwc3
this time around (proper order for getting a PHY reference, fix for
unmapping DMA and a fix for requesting IRQ on the OMAP glue layer).

Most fixes are on the renesas USB controller, fixing several old bugs
with most going to stable.

dwc2 also learned that it *must* reset USB Address to zero on Reset
interrupts.

Apart from these, some drivers needed HAS_DMA dependency and there's a
sparse warning fix for bdc udc.
2017-07-19 13:15:30 +02:00
Yoshihiro Shimoda b8b9c974af usb: renesas_usbhs: gadget: disable all eps when the driver stops
A gadget driver will not disable eps immediately when ->disconnect()
is called. But, since this driver assumes all eps stop after
the ->disconnect(), unexpected behavior happens (especially in system
suspend).
So, this patch disables all eps in usbhsg_try_stop(). After disabling
eps by renesas_usbhs driver, since some functions will be called by
both a gadget and renesas_usbhs driver, renesas_usbhs driver should
protect uep->pipe. To protect uep->pipe easily, this patch adds a new
lock in struct usbhsg_uep.

Fixes: 2f98382dc ("usb: renesas_usbhs: Add Renesas USBHS Gadget")
Cc: <stable@vger.kernel.org> # v3.0+
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-07-19 10:38:22 +03:00
Yoshihiro Shimoda 59a0879a0e usb: renesas_usbhs: fix usbhsc_resume() for !USBHSF_RUNTIME_PWCTRL
This patch fixes an issue that some registers may be not initialized
after resume if the USBHSF_RUNTIME_PWCTRL is not set. Otherwise,
if a cable is not connected, the driver will not enable INTENB0.VBSE
after resume. And then, the driver cannot detect the VBUS.

Fixes: ca8a282a53 ("usb: gadget: renesas_usbhs: add suspend/resume support")
Cc: <stable@vger.kernel.org> # v3.2+
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-07-19 10:38:16 +03:00
Yoshihiro Shimoda 781001ff96 usb: gadget: udc: renesas_usb3: protect usb3_ep->started in usb3_start_pipen()
This patch fixes an issue that unexpected behavior happens when
both the interrupt handler and renesas_usb3_ep_enable() are called.
In this case, since usb3_start_pipen() checked the usb3_ep->started,
but the flags was not protected. So, this patch protects the flag
by usb3->lock. Since renesas_usb3_ep_enable() for EP0 will be not called,
this patch doesn't take care of usb3_start_pipe0().

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-07-18 16:20:31 +03:00
Yoshihiro Shimoda ebe6b2b814 usb: gadget: udc: renesas_usb3: fix zlp transfer by the dmac
The dedicated dmac can transfer a zero-length-packet (zlp) if some bits
of the USB_COM_CON register. However, the commit 2d4aa21a73 ("usb:
gadget: udc: renesas_usb3: add support for dedicated DMAC") didn't set
the bits to 1. So, this patch fixes it.

Fixes: 2d4aa21a73 ("usb: gadget: udc: renesas_usb3: add support for dedicated DMAC)
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-07-18 16:20:08 +03:00
Yoshihiro Shimoda 80584efcc6 usb: gadget: udc: renesas_usb3: fix free size in renesas_usb3_dma_free_prd()
The commit 2d4aa21a73 ("usb: gadget: udc: renesas_usb3: add support
for dedicated DMAC") has a bug in the renesas_usb3_dma_free_prd().
The size of dma_free_coherent() should be the same with dma_alloc_coherent()
Otherwise, this code causes a WARNING by mm/page_alloc.c when
renesas_usb3_dma_free_prd() is called. So, this patch fixes it.

Fixes: 2d4aa21a73 ("usb: gadget: udc: renesas_usb3: add support for dedicated DMAC")
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-07-18 16:19:55 +03:00
Ruslan Bilovol 14e1d56cbe usb: gadget: f_uac2: endianness fixes.
As per USB spec, multiple-bytes fields are stored
in little-endian order. Use CPU<->LE helpers for
such fields.

Signed-off-by: Ruslan Bilovol <ruslan.bilovol@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-07-18 09:33:19 +03:00
Ruslan Bilovol 42370b8211 usb: gadget: f_uac1: endianness fixes.
As per USB spec, multiple-bytes fields are stored
in little-endian order. Use CPU<->LE helpers for
such fields.

Signed-off-by: Ruslan Bilovol <ruslan.bilovol@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-07-18 09:33:16 +03:00
kbuild test robot ab1d53d598 usb: gadget: udc: start_udc() can be static
Fixes the following Sparse warnings:

>> drivers/usb/gadget/udc/snps_udc_plat.c:31:6: sparse: symbol 'start_udc' was not declared. Should it be static?
>> drivers/usb/gadget/udc/snps_udc_plat.c:41:6: sparse: symbol 'stop_udc' was not declared. Should it be static?
>> drivers/usb/gadget/udc/snps_udc_plat.c:79:6: sparse: symbol 'udc_drd_work' was not declared. Should it be static?

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-07-18 09:31:57 +03:00
Minas Harutyunyan 307bc11fcd usb: dwc2: gadget: On USB RESET reset device address to zero
Reseted DEVADDR field in DCFG to zero on USB RESET.

Device address in DCFG register does not reset to zero,
which required to pass enumeration, after disconnect and
reconnect.

Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-07-18 08:57:36 +03:00
Colin Ian King 446230f52a usb: storage: return on error to avoid a null pointer dereference
When us->extra is null the driver is not initialized, however, a
later call to osd200_scsi_to_ata is made that dereferences
us->extra, causing a null pointer dereference.  The code
currently detects and reports that the driver is not initialized;
add a return to avoid the subsequent dereference issue in this
check.

Thanks to Alan Stern for pointing out that srb->result needs setting
to DID_ERROR << 16

Detected by CoverityScan, CID#100308 ("Dereference after null check")

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Cc: stable <stable@vger.kernel.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-17 13:11:57 +02:00
Arnd Bergmann 86be7f7b2d usb: typec: include linux/device.h in ucsi.h
The new driver causes a build failure in some configurations:

In file included from /git/arm-soc/drivers/usb/typec/ucsi/trace.h:9:0,
                 from /git/arm-soc/drivers/usb/typec/ucsi/trace.c:2:
drivers/usb/typec/ucsi/ucsi.h:331:39: error: 'struct device' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]

This includes the required header file.

Fixes: c1b0bc2dab ("usb: typec: Add support for UCSI interface")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-17 13:11:56 +02:00
Johan Hovold fe855789d6 USB: cdc-acm: add device-id for quirky printer
Add device-id entry for DATECS FP-2000 fiscal printer needing the
NO_UNION_NORMAL quirk.

Reported-by: Anton Avramov <lukav@lukav.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-17 13:11:56 +02:00
Jack Pham 4a71fcb8ac usb: dwc3: gadget: only unmap requests from DMA if mapped
A recent optimization was made so that a request put on the
pending_list wouldn't get mapped for DMA until just before
preparing a TRB for it. However, this poses a problem in case
the request is dequeued or the endpoint is disabled before the
mapping is done as that would lead to dwc3_gadget_giveback()
unconditionally calling usb_gadget_unmap_request_for_dev() with
an invalid request->dma handle. Depending on the platform's DMA
implementation the unmap operation could result in a panic.

Since we know a successful mapping is a prerequisite for getting
a TRB, the unmap can be conditionally called only when req->trb
is non-NULL.

Fixes: cdb55b39fa ("usb: dwc3: gadget: lazily map requests for DMA")
Signed-off-by: Jack Pham <jackp@codeaurora.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-07-17 11:01:27 +03:00
Geert Uytterhoeven a9ef5c47d0 usb: gadget: udc: USB_SNP_CORE should depend on HAS_DMA
If NO_DMA=y:

    ERROR: "usb_gadget_map_request" [drivers/usb/gadget/udc/snps_udc_core.ko] undefined!
    ERROR: "dma_pool_destroy" [drivers/usb/gadget/udc/snps_udc_core.ko] undefined!
    ERROR: "usb_gadget_unmap_request" [drivers/usb/gadget/udc/snps_udc_core.ko] undefined!
    ERROR: "dma_pool_free" [drivers/usb/gadget/udc/snps_udc_core.ko] undefined!
    ERROR: "dma_pool_alloc" [drivers/usb/gadget/udc/snps_udc_core.ko] undefined!
    ERROR: "dma_pool_create" [drivers/usb/gadget/udc/snps_udc_core.ko] undefined!

As USB_SNP_CORE is selected by USB_SNP_UDC_PLAT and USB_AMD5536UDC,
these should depend on HAS_DMA, too.  For USB_AMD5536UDC, this is
already fulfilled through the dependency on USB_PCI (PCI implies
HAS_DMA).

Add dependencies on HAS_DMA to fix this.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-07-17 11:00:26 +03:00
Geert Uytterhoeven f84a31eb98 usb: gadget: udc: USB_RENESAS_USB3 should depend on HAS_DMA
If NO_DMA=y:

    ERROR: "usb_gadget_map_request" [drivers/usb/gadget/udc/renesas_usb3.ko] undefined!
    ERROR: "usb_gadget_unmap_request" [drivers/usb/gadget/udc/renesas_usb3.ko] undefined!
    ERROR: "bad_dma_ops" [drivers/usb/gadget/udc/renesas_usb3.ko] undefined!

Add a dependency on HAS_DMA to fix this.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-07-17 11:00:22 +03:00
Axel Lin bee9186943 usb: gadget: f_mass_storage: Fix the logic to iterate all common->luns
It is wrong to do --i in the for loop.

Fixes: dd02ea5a33 ("usb: gadget: mass_storage: Use static array for luns")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Reviewed-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-07-17 11:00:06 +03:00
Vignesh R ee249b4554 usb: dwc3: omap: remove IRQ_NOAUTOEN used with shared irq
IRQ_NOAUTOEN cannot be used with shared IRQs, since commit 04c848d398
("genirq: Warn when IRQ_NOAUTOEN is used with shared interrupts") and
kernel now throws a warn dump. But OMAP DWC3 driver uses this flag. As
per commit 12a7f17fac ("usb: dwc3: omap: fix race of pm runtime with
irq handler in probe") that introduced this flag, PM runtime can race
with IRQ handler when deferred probing happens due to extcon,
therefore IRQ_NOAUTOEN needs to be set so that irq is not enabled until
extcon is registered.

Remove setting of IRQ_NOAUTOEN and move the registration of
shared irq to a point after dwc3_omap_extcon_register() and
of_platform_populate(). This avoids possibility of probe deferring and
above said race condition.

Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Vignesh R <vigneshr@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-07-17 10:59:31 +03:00
Vignesh R 541768b08a usb: dwc3: core: Call dwc3_core_get_phy() before initializing phys
commit f54edb539c ("usb: dwc3: core: initialize ULPI before trying to
get the PHY") moved call to dwc3_core_get_phy() from dwc3_probe() to
dwc3_core_init() after dwc3_core_soft_reset(). But
dwc3_core_soft_reset() calls phy_init(), therefore dwc3_core_get_phy()
needs to be called before dwc3_core_soft_reset().

Fix this by moving call to dwc3_core_get_phy() before
dwc3_core_soft_reset().

This fixes the following abort seen on DRA7xx platforms
[   24.769118] usb usb2: SerialNumber: xhci-hcd.1.auto
[   24.781144] hub 2-0:1.0: USB hub found
[   24.787836] hub 2-0:1.0: 1 port detected
[   24.809939] Unhandled fault: imprecise external abort (0x1406) at 0x00000000

Reported-by: Carlos Hernandez <ceh@ti.com>
Signed-off-by: Vignesh R <vigneshr@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-07-17 10:58:56 +03:00
Joe Perches 4abf87f41a USB: serial: safe_serial: move __inline__ before return type
Make the code like the rest of the kernel.
Also use inline instead of __inline__.

Link: http://lkml.kernel.org/r/a5072b74b6c293e6ec93c4900482e9d3267f15b2.1499284835.git.joe@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Johan Hovold <johan@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-07-12 16:26:04 -07:00
Linus Torvalds 6481352082 USB fixes for 4.13-rc1
Here are some remaining USB fixes for 4.13-rc1.  They were originally
 scheduled for 4.12-final, but I didn't send them to you in time.
 Because of that, they were in a separate branch from the larger USB set
 of patches, so here they are in a separate pull request.
 
 Nothing major here a all, just 3 small patches:
 	- some usb-serial new device ids
 	- xhci bugfix for some crazy AMD hardware
 
 All of these have been in linux-next for a long time with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg KH:
 "Here are some remaining USB fixes for 4.13-rc1. They were originally
  scheduled for 4.12-final, but I didn't send them to you in time.
  Because of that, they were in a separate branch from the larger USB
  set of patches, so here they are in a separate pull request.

  Nothing major here a all, just three small patches:

   - some usb-serial new device ids
   - xhci bugfix for some crazy AMD hardware

  All of these have been in linux-next for a long time with no reported
  issues"

* tag 'usb-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  xhci: Limit USB2 port wake support for AMD Promontory hosts
  USB: serial: qcserial: new Sierra Wireless EM7305 device ID
  USB: serial: option: add two Longcheer device ids
2017-07-07 13:42:04 -07:00
Linus Torvalds 6972b007ca Merge (most of) tag 'mfd-next-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
 "New Drivers:
   - Intel Cherry Trail Whiskey Cove PMIC
   - TI LP87565 PMIC

  New Device Support:
   - Add support for Cannonlake to intel-lpss-pci
   - Add support for Simatic IOT2000 to intel_quark_i2c_gpio

  New Functionality:
   - Add Regulator support (axp20x)

  Fix-ups:
   - Rework IRQ handling (intel_soc_pmic_bxtwc, rtsx_pcr, cros_ec)
   - Remove unused/unwelcome code (ipaq-micro, wm831x-core, da9062-core)
   - Provide deregistration on unbind (rn5t618)
   - Rework DT code/documentation (arizona)
   - Constify things (fsl-imx25-tsadc)
   - MAINTAINERS updates (DA9062/61)
   - Kconfig configuration adaptions (INTEL_SOC_PMIC, MFD_AXP20X_I2C)
   - Switch to DMI matching (intel_quark_i2c_gpio)
   - Provide an appropriate level of error checking (wm831x-{i2c,spi},
     twl4030-irq, tc6393xb)
   - Make use of devm_* (resource handling) calls (intel_soc_pmic_bxtwc,
     stm32-timers, atmel-flexcom, cros_ec, fsl-imx25-tsadc,
     exynos-lpass, palmas, qcom-spmi-pmic, smsc-ece1099,
     motorola-cpcap)"

[ Skipped the last commit in that series that added eight thousand
  lines of pointless repeated register definitions.  - Linus ]

* tag 'mfd-next-4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (38 commits)
  mfd: Add LP87565 PMIC support
  mfd: cros_ec: Free IRQ on exit
  dt-bindings: vendor-prefixes: Add arctic to vendor prefix
  mfd: da9061: Fix to remove BBAT_CONT register from chip model
  mfd: da9061: Fix to remove BBAT_CONT register from chip model
  mfd: axp20x-i2c: Document that this must be builtin on x86
  mfd: Add Cherry Trail Whiskey Cove PMIC driver
  mfd: tc6393xb: Handle return value of clk_prepare_enable
  mfd: intel_quark_i2c_gpio: Add support for SIMATIC IOT2000 platform
  mfd: intel_quark_i2c_gpio: Use dmi_system_id table for retrieving frequency
  mfd: motorola-cpcap: Use devm_of_platform_populate()
  mfd: smsc-ece: Use devm_of_platform_populate()
  mfd: qcom-spmi-pmic: Use devm_of_platform_populate()
  mfd: palmas: Use devm_of_platform_populate()
  mfd: exynos: Use devm_of_platform_populate()
  mfd: fsl-imx25: Use devm_of_platform_populate()
  mfd: cros_ec: Use devm_of_platform_populate()
  mfd: atmel: Use devm_of_platform_populate()
  mfd: stm32-timers: Use devm_of_platform_populate()
  mfd: intel_soc_pmic: Select designware i2c-bus driver
  ...
2017-07-07 13:30:05 -07:00
Linus Torvalds c856863988 Merge branch 'misc.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc compat stuff updates from Al Viro:
 "This part is basically untangling various compat stuff. Compat
  syscalls moved to their native counterparts, getting rid of quite a
  bit of double-copying and/or set_fs() uses. A lot of field-by-field
  copyin/copyout killed off.

   - kernel/compat.c is much closer to containing just the
     copyin/copyout of compat structs. Not all compat syscalls are gone
     from it yet, but it's getting there.

   - ipc/compat_mq.c killed off completely.

   - block/compat_ioctl.c cleaned up; floppy compat ioctls moved to
     drivers/block/floppy.c where they belong. Yes, there are several
     drivers that implement some of the same ioctls. Some are m68k and
     one is 32bit-only pmac. drivers/block/floppy.c is the only one in
     that bunch that can be built on biarch"

* 'misc.compat' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  mqueue: move compat syscalls to native ones
  usbdevfs: get rid of field-by-field copyin
  compat_hdio_ioctl: get rid of set_fs()
  take floppy compat ioctls to sodding floppy.c
  ipmi: get rid of field-by-field __get_user()
  ipmi: get COMPAT_IPMICTL_RECEIVE_MSG in sync with the native one
  rt_sigtimedwait(): move compat to native
  select: switch compat_{get,put}_fd_set() to compat_{get,put}_bitmap()
  put_compat_rusage(): switch to copy_to_user()
  sigpending(): move compat to native
  getrlimit()/setrlimit(): move compat to native
  times(2): move compat to native
  compat_{get,put}_bitmap(): use unsafe_{get,put}_user()
  fb_get_fscreeninfo(): don't bother with do_fb_ioctl()
  do_sigaltstack(): lift copying to/from userland into callers
  take compat_sys_old_getrlimit() to native syscall
  trim __ARCH_WANT_SYS_OLD_GETRLIMIT
2017-07-06 20:57:13 -07:00
Linus Torvalds 920f2ecdf6 sound updates for 4.13-rc1
This development cycle resulted in a fair amount of changes in both
 core and driver sides.  The most significant change in ALSA core is
 about PCM.  Also the support of of-graph card and the new DAPM widget
 for DSP are noteworthy changes in ASoC core.  And there're lots of
 small changes splat over the tree, as you can see in diffstat.
 
 Below are a few highlights:
 
 ALSA core:
 - Removal of set_fs() hackery from PCM core stuff, and the code
   reorganization / optimization thereafter
 - Improved support of PCM ack ops, and a new ABI for improved
   control/status mmap handling
 - Lots of constifications in various codes
 
 ASoC core:
 - The support of of-graph card, which may work as a better generic
   device for a replacement of simple-card
 - New widget types intended mainly for use with DSPs
 
 ASoC drivers:
 - New drivers for Allwinner V3s SoCs
 - Ensonic ES8316 codec support
 - More Intel SKL and KBL works
 - More device support for Intel SST Atom (mostly for cheap tablets and
   2-in-1 devices)
 - Support for Rockchip PDM controllers
 - Support for STM32 I2S and S/PDIF controllers
 - Support for ZTE AUD96P22 codecs
 
 HD-audio:
 - Support of new Realtek codecs (ALC215/ALC285/ALC289), more quirks
   for HP and Dell machines
 - A few more fixes for i915 component binding
 
 Note that of-graph change may bring the conflicts with a later pull
 request of devicetree, as currently found in linux-next.
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Merge tag 'sound-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "This development cycle resulted in a fair amount of changes in both
  core and driver sides. The most significant change in ALSA core is
  about PCM. Also the support of of-graph card and the new DAPM widget
  for DSP are noteworthy changes in ASoC core. And there're lots of
  small changes splat over the tree, as you can see in diffstat.

  Below are a few highlights:

  ALSA core:
   - Removal of set_fs() hackery from PCM core stuff, and the code
     reorganization / optimization thereafter
   - Improved support of PCM ack ops, and a new ABI for improved
     control/status mmap handling
   - Lots of constifications in various codes

  ASoC core:
   - The support of of-graph card, which may work as a better generic
     device for a replacement of simple-card
   - New widget types intended mainly for use with DSPs

  ASoC drivers:
   - New drivers for Allwinner V3s SoCs
   - Ensonic ES8316 codec support
   - More Intel SKL and KBL works
   - More device support for Intel SST Atom (mostly for cheap tablets
     and 2-in-1 devices)
   - Support for Rockchip PDM controllers
   - Support for STM32 I2S and S/PDIF controllers
   - Support for ZTE AUD96P22 codecs

  HD-audio:
   - Support of new Realtek codecs (ALC215/ALC285/ALC289), more quirks
     for HP and Dell machines
   - A few more fixes for i915 component binding"

* tag 'sound-4.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (418 commits)
  ALSA: hda - Fix unbalance of i915 module refcount
  ASoC: Intel: Skylake: Remove driver debugfs exit
  ASoC: Intel: Skylake: explicitly add the headers sst-dsp.h
  ALSA: hda/realtek - Remove GPIO_MASK
  ALSA: hda/realtek - Fix typo of pincfg for Dell quirk
  ALSA: pcm: add a documentation for tracepoints
  ALSA: atmel: ac97c: fix error return code in atmel_ac97c_probe()
  ALSA: x86: fix error return code in hdmi_lpe_audio_probe()
  ASoC: Intel: Skylake: Add support to read firmware registers
  ASoC: Intel: Skylake: Add sram address to sst_addr structure
  ASoC: Intel: Skylake: Debugfs facility to dump module config
  ASoC: Intel: Skylake: Add debugfs support
  ASoC: fix semicolon.cocci warnings
  ASoC: rt5645: Add quirk override by module option
  ASoC: rsnd: make arrays path and cmd_case static const
  ASoC: audio-graph-card: add widgets and routing for external amplifier support
  ASoC: audio-graph-card: update bindings for amplifier support
  ASoC: rt5665: calibration should be done before jack detection
  ASoC: rsnd: constify dev_pm_ops structures.
  ASoC: nau8825: change crosstalk-bypass property to bool type
  ...
2017-07-06 10:56:51 -07:00
Linus Torvalds 5518b69b76 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking updates from David Miller:
 "Reasonably busy this cycle, but perhaps not as busy as in the 4.12
  merge window:

   1) Several optimizations for UDP processing under high load from
      Paolo Abeni.

   2) Support pacing internally in TCP when using the sch_fq packet
      scheduler for this is not practical. From Eric Dumazet.

   3) Support mutliple filter chains per qdisc, from Jiri Pirko.

   4) Move to 1ms TCP timestamp clock, from Eric Dumazet.

   5) Add batch dequeueing to vhost_net, from Jason Wang.

   6) Flesh out more completely SCTP checksum offload support, from
      Davide Caratti.

   7) More plumbing of extended netlink ACKs, from David Ahern, Pablo
      Neira Ayuso, and Matthias Schiffer.

   8) Add devlink support to nfp driver, from Simon Horman.

   9) Add RTM_F_FIB_MATCH flag to RTM_GETROUTE queries, from Roopa
      Prabhu.

  10) Add stack depth tracking to BPF verifier and use this information
      in the various eBPF JITs. From Alexei Starovoitov.

  11) Support XDP on qed device VFs, from Yuval Mintz.

  12) Introduce BPF PROG ID for better introspection of installed BPF
      programs. From Martin KaFai Lau.

  13) Add bpf_set_hash helper for TC bpf programs, from Daniel Borkmann.

  14) For loads, allow narrower accesses in bpf verifier checking, from
      Yonghong Song.

  15) Support MIPS in the BPF selftests and samples infrastructure, the
      MIPS eBPF JIT will be merged in via the MIPS GIT tree. From David
      Daney.

  16) Support kernel based TLS, from Dave Watson and others.

  17) Remove completely DST garbage collection, from Wei Wang.

  18) Allow installing TCP MD5 rules using prefixes, from Ivan
      Delalande.

  19) Add XDP support to Intel i40e driver, from Björn Töpel

  20) Add support for TC flower offload in nfp driver, from Simon
      Horman, Pieter Jansen van Vuuren, Benjamin LaHaise, Jakub
      Kicinski, and Bert van Leeuwen.

  21) IPSEC offloading support in mlx5, from Ilan Tayari.

  22) Add HW PTP support to macb driver, from Rafal Ozieblo.

  23) Networking refcount_t conversions, From Elena Reshetova.

  24) Add sock_ops support to BPF, from Lawrence Brako. This is useful
      for tuning the TCP sockopt settings of a group of applications,
      currently via CGROUPs"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1899 commits)
  net: phy: dp83867: add workaround for incorrect RX_CTRL pin strap
  dt-bindings: phy: dp83867: provide a workaround for incorrect RX_CTRL pin strap
  cxgb4: Support for get_ts_info ethtool method
  cxgb4: Add PTP Hardware Clock (PHC) support
  cxgb4: time stamping interface for PTP
  nfp: default to chained metadata prepend format
  nfp: remove legacy MAC address lookup
  nfp: improve order of interfaces in breakout mode
  net: macb: remove extraneous return when MACB_EXT_DESC is defined
  bpf: add missing break in for the TCP_BPF_SNDCWND_CLAMP case
  bpf: fix return in load_bpf_file
  mpls: fix rtm policy in mpls_getroute
  net, ax25: convert ax25_cb.refcount from atomic_t to refcount_t
  net, ax25: convert ax25_route.refcount from atomic_t to refcount_t
  net, ax25: convert ax25_uid_assoc.refcount from atomic_t to refcount_t
  net, sctp: convert sctp_ep_common.refcnt from atomic_t to refcount_t
  net, sctp: convert sctp_transport.refcnt from atomic_t to refcount_t
  net, sctp: convert sctp_chunk.refcnt from atomic_t to refcount_t
  net, sctp: convert sctp_datamsg.refcnt from atomic_t to refcount_t
  net, sctp: convert sctp_auth_bytes.refcnt from atomic_t to refcount_t
  ...
2017-07-05 12:31:59 -07:00