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s/regsiter/register/
Signed-off-by: Geliang Tang <geliangtang@163.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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gadget methods should be called without
spinlocks held.
Reported-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Convert endpoint configuration to new capabilities model.
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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When remove module g_serial on quark platform, the following Warning on:
Modules linked in: usb_f_acm u_serial g_serial(-) pch_udc libcomposite configfs udc_core
ad7298 industrialio_triggered_buffer kfifo_buf tpm_i2c_infineon indus
CPU: 0 PID: 369 Comm: modprobe Not tainted 3.14.29ltsi-WR7.0.0.0_standard #6
Hardware name: Intel Corp. QUARK/CrossHill, BIOS 0x010100F5 01/01/2014
f641df0c f641df0c f641dec8 c15ac7fa f641defc c103084f c16c2356 f641df28
00000171 c16b855c 000009dd c15b2d6f 000009dd c15b2d6f f6bd2000 faae5480
00000000 f641df14 c10308a3 00000009 f641df0c c16c2356 f641df28 f641df2c
Call Trace:
[<c15ac7fa>] dump_stack+0x16/0x18
[<c103084f>] warn_slowpath_common+0x7f/0xa0
[<c15b2d6f>] ? preempt_count_sub+0x6f/0xc0
[<c15b2d6f>] ? preempt_count_sub+0x6f/0xc0
[<c10308a3>] warn_slowpath_fmt+0x33/0x40
[<c15b2d6f>] preempt_count_sub+0x6f/0xc0
[<faadbc82>] pch_udc_pcd_pullup+0x32/0xa0 [pch_udc]
[<fa9747d9>] usb_gadget_remove_driver+0x29/0x60 [udc_core]
[<fa974869>] usb_gadget_unregister_driver+0x59/0x80 [udc_core]
[<faa78310>] usb_composite_unregister+0x10/0x20 [libcomposite]
[<faae50f1>] cleanup+0xd/0xf [g_serial]
[<c1084c47>] SyS_delete_module+0xf7/0x150
[<c111f8dd>] ? ____fput+0xd/0x10
[<c104b2ae>] ? task_work_run+0x6e/0xa0
[<c15afda5>] syscall_call+0x7/0x7
g_serial module on quark is depended on pch_udc module, ttyGSX cann't recieve
data and warning on when remove g_serial.
It was unlocked before the modification of the structure it was protecting,
fix it as "lock -> unlock" to resolve this.
Signed-off-by: Pengyu Ma <pengyu.ma@windriver.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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In big endian cases, the macro cpu_to_le{16,32} unfolds to __swab{16,32}
which provides special case for constants. In little endian cases,
__constant_cpu_to_le{16,32} and cpu_to_le{16,32} expand directly to
the same expression. So, replace __constant_cpu_to_le{16,32} with
cpu_to_le{16,32} with the goal of getting rid of the definition of
__constant_cpu_to_le{16,32} completely.
The semantic patch that performs this transformation is as follows:
@@expression x;@@
(
- __constant_cpu_to_le16(x)
+ cpu_to_le16(x)
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- __constant_cpu_to_le32(x)
+ cpu_to_le32(x)
)
Signed-off-by: Vaishali Thakkar <vthakkar1994@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Set value for common is_selfpowered.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Replace usb_gadget_driver's disconnect with udc-core's reset notifier at
bus reset handler.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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now that no UDC driver relies on the extra
'driver' argument to ->udc_stop(), we can
safely remove it.
This commit is based on previous work by
Robert Baldyga <r.baldyga@samsung.com> which
can be found at [1]; however that patch turned
out to have a high probability of regressing
many UDC drivers because of a blind search & replace
s/driver/$udc->driver/ which caused the 'driver'
argument to stop_activity() to be a valid non-NULL
pointer when it should be NULL, thus causing UDCs
to mistakenly call gadget driver's ->disconnect()
callback.
[1] http://markmail.org/message/x5zneg4xea4zntab
Acked-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Use the recently introduced usb_gadget_giveback_request() in favor of
direct invocation of the completion routine.
All places in drivers/usb/ matching "[-.]complete(" were replaced with a
call to usb_gadget_giveback_request(). This was compile-tested with all
ARM drivers enabled and runtime-tested for musb.
Signed-off-by: Michal Sojka <sojka@merica.cz>
Acked-by: Felipe Balbi <balbi@ti.com>
Tested-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch is to enable the USB gadget device for Intel Quark X1000
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@intel.com>
Signed-off-by: Bing Niu <bing.niu@intel.com>
Signed-off-by: Alvin (Weike) Chen <alvin.chen@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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The drivers/usb/gadget directory contains many files.
Files which are related can be distributed into separate directories.
This patch moves the UDC drivers into a separate directory.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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