Commit graph

287,481 commits

Author SHA1 Message Date
Aaro Koskinen
2c265f7479 staging: octeon-ethernet: drop poll_now parameter from cvm_oct_common_open
Drop redundant poll_now parameter from cvm_oct_common_open.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:56:10 -07:00
Aaro Koskinen
064e08350f staging: octeon-ethernet: rgmii: poll link status on open
Get the initial link status already on open instead of postponing
it to the periodic poll task. This unifies the behaviour with
other interfaces types.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:56:10 -07:00
J. German Rivera
63f2be5c3b staging: fsl-mc: Added serialization to mc_send_command()
When the same portal is used to call mc_send_command() from two
different threads or a thread and an interrupt handler, serialization
is required, as the MC only supports one outstanding command per MC
portal. Thus, a new command should not be sent to the MC until the
last command sent has been responded by the MC.

Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:54:46 -07:00
J. German Rivera
3f95ad2185 staging: fsl-mc:Added support for atomic portals
Refactored mc_send_command() to support two flavors of polling:
- preemptible (for non-atomic portals), which was already supported.
  It calls usleep_range() between polling iterations.
- non-preemptible (for atomic portals), which is needed when
  mc_send_command() is called with interrupts disabled.
  It calls udelay() between polling iterations.

Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:54:46 -07:00
J. German Rivera
140305e77a staging: fsl-mc: refactored mc_send_command()
Moved wait logic in mc_send_command() to its own function

Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:54:46 -07:00
J. German Rivera
c6a3363c13 staging: fsl-mc: changed timeout units for MC cmd completion
Changed units for the timeout to wait for completion
of MC command, from jiffies to milliseconds.

Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:54:46 -07:00
J. German Rivera
4e65f46aba staging: fsl-mc: Added missing initializer in fsl_mc_bus_driver
owner needs to be initialized as THIS_MOUDLE.

Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:53:38 -07:00
J. German Rivera
a17f4aa627 staging: fsl-mc: fixed bug in uninitialized root dprc irq count
When initializing the object attributes for the root dprc, the
irq_count was uninitialized. Initialize it to 1.

Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:53:38 -07:00
J. German Rivera
2379bdbc6c staging: fsl-mc: Fixed WARN_ON() in fsl_mc_resource_pool_remove_device
Check that resource is not NULL before de-referencing it.

Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:53:38 -07:00
J. German Rivera
09a38ab0b1 staging: fsl-mc: refactored error exit in allocator probe/remove
Replaced error gotos with direct returns in fsl_mc_allocator_probe()
and fsl_mc_allocator_remove(), since the only error handling done
in those functions is to exit.

Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:53:38 -07:00
J. German Rivera
6958cd4483 staging: fsl-mc: Fixed bug in fsl_mc_allocator_remove
Call fsl_mc_resource_pool_remove_device() only if mc_dev->resource
is not NULL.

Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:53:38 -07:00
J. German Rivera
95e9a09af4 staging: fsl-mc: Fixed alignment of copyright comment
Whitespace cleanup-- add missing spaces in column 1 of copyright

Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:53:38 -07:00
J. German Rivera
770417bb85 staging: fsl-mc: Removed unused DPMCP macros
The macros were a left-over from a previous implementation
of the dpmcp APIs and are no longer used.

Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:53:38 -07:00
J. German Rivera
eceebf8bb3 staging: fsl-mc: Changed types of flags, portal size in
Changed these two fields from 32-bit integers to 16-bit integers in
struct fsl_mc_io, as 32 bits is too much for these fields. This
change does not affect other components since fsl_mc_io is an opaque
type.

Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:53:38 -07:00
J. German Rivera
6998d6ba8c staging: fsl-mc: Changed dev_info() calls to dev_dbg()
Changed dev_info() calls to dev_dbg() in
fsl_mc_allocator_probe/fsl_mc_allocator_remove, as they
are useful only for debugging.

Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:53:38 -07:00
J. German Rivera
d2f8499153 staging: fsl-mc: dpmcp opening/closing refactoring
Before, we were opening and closing a mc_io's dpmcp object
in fsl_mc_portal_reset(), since that was the only function that was
calling dpmcp MC operations. However, it is better for maintainability
to open the dpmcp object when it gets associated with an mc_io object,
and close it when this association is terminated. This way, we are free
to call dpmcp operations on a mc_io's dpmcp object at any time, without
having to check if the dpmcp object is opened or not.

Consequently, the creation/teardown of the association between
an mc_io object and a dpmcp is now encapsulated in two functions:
fsl_mc_io_set_dpmcp()/fsl_mc_io_unset_dpmcp(). Besides, setting
the corresponding pointers for the association, these functions
open and close the dpmcp object respectively.

Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:53:38 -07:00
J. German Rivera
ffcd52ef09 staging: fsl-mc: fsl_mc_io object refactoring
Each fsl_mc_io object is associated with an fsl_mc_device object
of type "dpmcp" representing the MC portal associated with the
fsl_mc_io object. Before, we were representing this association with
an fsl_mc_resource pointer. To enhance code clarity, it is more
straight forward to use an fsl_mc_device pointer instead.
So, this change replaces the 'resource' field in the fsl_mc_io
object with 'dpmcp_dev'. Also, it changes parameter 'resource' of
fsl_create_mc_io() to be an fsl_mc_device pointer instead.

Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:53:38 -07:00
J. German Rivera
724e50f7c2 staging: fsl-mc: Naming cleanup in fsl_mc-portal_allocate
mc_adev is a local variable for the allocated dpmcp object.
Renamed mc_adev as dpmcp_dev for clarity.

Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:53:38 -07:00
Peter Senna Tschudin
ffa2366666 usb/host/fotg210: Remove return statement inside if
This patch make changes to an if else statement which simplifies the code
allowing to remove a return.

CC: Joe Perches <joe@perches.com>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:49:50 -07:00
Alison Schofield
e405f0e45e staging: r8723au: move * to be adjacent to pointer name
Move * in pointer types to be adjacent to pointer names per Linux
coding style.

Addresses checkpatch.pl: ERROR: "foo*    bar" should be "foo *bar"

Signed-off-by: Alison Schofield <amsfield22@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:16:37 -07:00
Ksenija Stanojevic
fcc74c4dd6 Staging: lustre: include : Remove unused macros
These macro are not used anymore, therefore remove them.

Signed-off-by: Ksenija Stanojevic <ksenija.stanojevic@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:16:37 -07:00
Ksenija Stanojevic
d811ed6974 Staging: lustre: include: Convert macro class_export_lock_put into static inline function
Static inline functions are preferred over macros. This change is safe
because the types of arguments at all the call sites are same.

Signed-off-by: Ksenija Stanojevic <ksenija.stanojevic@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:16:37 -07:00
Ksenija Stanojevic
edc6a40e3a Staging: lustre: include: Convert macro class_export_lock_get into static inline function
Static inline functions are preferred over macros. This change is safe
because the types of arguments at all the call sites are same.

Signed-off-by: Ksenija Stanojevic <ksenija.stanojevic@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:16:37 -07:00
Ksenija Stanojevic
a1d825e937 Staging: lustre: include: Move function prototypes
Functions:
struct obd_export *class_export_get(struct obd_export *exp);
void class_export_put(struct obd_export *exp)
are being used in macros that are converted into static inline
functions, therefore move function prototypes to avoid build
error in later patches.

Signed-off-by: Ksenija Stanojevic <ksenija.stanojevic@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 20:16:37 -07:00
Greg Kroah-Hartman
539669779a phy: for 4.4
*) Add new PHY driver for Broadcom's cygnus PCIe PHY
 *) Add USB3 PHY driver for mediatek's SoCs
 *) Add VBUS regulator support for Samsung's exynos PHY
 *) Misc cleanup
 
 Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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Merge tag 'phy-for-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-next

Kishon writes:

phy: for 4.4

*) Add new PHY driver for Broadcom's cygnus PCIe PHY
*) Add USB3 PHY driver for mediatek's SoCs
*) Add VBUS regulator support for Samsung's exynos PHY
*) Misc cleanup

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2015-10-17 20:12:19 -07:00
Vladimir Zapolskiy
324700604b Input: lpc32xx_ts - fix warnings caused by enabling unprepared clock
If common clock framework is configured, the driver generates a warning,
which is fixed by this change:

    root@devkit3250:~# cat /dev/input/touchscreen0
    ------------[ cut here ]------------
    WARNING: CPU: 0 PID: 720 at drivers/clk/clk.c:727 clk_core_enable+0x2c/0xa4()
    Modules linked in: sc16is7xx snd_soc_uda1380
    CPU: 0 PID: 720 Comm: cat Not tainted 4.3.0-rc2+ #199
    Hardware name: LPC32XX SoC (Flattened Device Tree)
    Backtrace:
    [<>] (dump_backtrace) from [<>] (show_stack+0x18/0x1c)
    [<>] (show_stack) from [<>] (dump_stack+0x20/0x28)
    [<>] (dump_stack) from [<>] (warn_slowpath_common+0x90/0xb8)
    [<>] (warn_slowpath_common) from [<>] (warn_slowpath_null+0x24/0x2c)
    [<>] (warn_slowpath_null) from [<>] (clk_core_enable+0x2c/0xa4)
    [<>] (clk_core_enable) from [<>] (clk_enable+0x24/0x38)
    [<>] (clk_enable) from [<>] (lpc32xx_setup_tsc+0x18/0xa0)
    [<>] (lpc32xx_setup_tsc) from [<>] (lpc32xx_ts_open+0x14/0x1c)
    [<>] (lpc32xx_ts_open) from [<>] (input_open_device+0x74/0xb0)
    [<>] (input_open_device) from [<>] (evdev_open+0x110/0x16c)
    [<>] (evdev_open) from [<>] (chrdev_open+0x1b4/0x1dc)
    [<>] (chrdev_open) from [<>] (do_dentry_open+0x1dc/0x2f4)
    [<>] (do_dentry_open) from [<>] (vfs_open+0x6c/0x70)
    [<>] (vfs_open) from [<>] (path_openat+0xb4c/0xddc)
    [<>] (path_openat) from [<>] (do_filp_open+0x40/0x8c)
    [<>] (do_filp_open) from [<>] (do_sys_open+0x124/0x1c4)
    [<>] (do_sys_open) from [<>] (SyS_open+0x2c/0x30)
    [<>] (SyS_open) from [<>] (ret_fast_syscall+0x0/0x38)

Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-10-17 11:33:05 -07:00
Maxime Ripard
bef6229f36 ARM: sunxi: Add R8 support
The R8 is a new Allwinner SoC based on the A13. While both are very
similar, there's still a few differences. Introduce a new compatible to
deal with them.

In order to have a consistent naming, instead of mentioning the Allwinner
A series as the machine name, switch to sun4i/sun5i like what is done for
the other families.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
2015-10-17 18:47:28 +02:00
Malcolm Priestley
9196124442 staging: vt6655: card.c rename pDevice with priv
Removing camel case.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 09:04:27 -07:00
Malcolm Priestley
bc667b99cc staging: vt6655: rename pOpts and sOpts to opts.
bring pointers and members into line.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 09:04:27 -07:00
Malcolm Priestley
068b998835 staging: vt6655: remove static inline alloc_td_info.
Since this only contains one function and used only twice remove
inline altogether.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 09:04:27 -07:00
Malcolm Priestley
e06cf9aba8 staging: vt6655: remove static inline alloc_rd_info.
Since this only contains one function and only used twice
remove inline altogether.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 09:04:27 -07:00
Malcolm Priestley
bed02d93a1 staging: vt6655: replace typedef struct __device_opt
with struct vnt_options and members
rx_descs0 for nRxDescs0
rx_descs1 for nRxDescs1
tx_descs for nTxDescs
int_works
short_retry
long_retry
bbp_type
flags

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 09:04:27 -07:00
Malcolm Priestley
28c777cb1f staging: vt6655: device.h remove typedef enum
Covert values to macros.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 09:04:27 -07:00
Malcolm Priestley
83373ac0be staging: vt6655: device.h remove unsed headers.
Most of these headers rate to old api that are no longer used
in driver.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 09:04:27 -07:00
Malcolm Priestley
5137897949 staging: vt6655: device.h remove unused macros.
None of these are used in driver anymore.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 09:04:27 -07:00
Malcolm Priestley
0924a89b0b staging: vt6655: device_main Replace uIdx with idx.
Removing camel case.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 09:04:27 -07:00
Amitoj Kaur Chawla
a5eabae947 staging: sm750fb: Prefer using BIT Macro
Replace bit shifting on 1 with the BIT(x) Macro
Problem found using checkpatch.pl
WARNING: 'Prefer using the BIT macro'

Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 09:03:16 -07:00
Eva Rachel Retuya
13d0580cd1 Staging: mt29f_spinand: Remove space after a cast
Modify retval to reflect removal of space during cast operation.
Checkpatch found this issue.

CHECK: No space is necessary after a cast

Signed-off-by: Eva Rachel Retuya <eraretuya@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 09:03:16 -07:00
Aybuke Ozdemir
09c02cb5a6 Staging: wilc1000: Remove unnecessary parentheses
Problem found using checkpatch.pl:
CHECK: Unnecessary parentheses around pstrNetworkInfo->u8SsidLen

Signed-off-by: Aybuke Ozdemir <aybuke.147@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 09:03:16 -07:00
Aybuke Ozdemir
86e4180e12 Staging: wilc1000: Remove unnecessary else after return
Problem found using checkpatch.pl:
WARNING: else is not generally useful after a break or return

Signed-off-by: Aybuke Ozdemir <aybuke.147@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 09:03:16 -07:00
Aybuke Ozdemir
350979e487 Staging: wilc1000: Remove multiple blank lines
Remove multiple blank lines. Problem found using checkpatch.pl
CHECK: Please don't use multiple blank lines.

Signed-off-by: Aybuke Ozdemir <aybuke.147@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 09:03:16 -07:00
Greg Kroah-Hartman
b5f0063778 Staging: lustre: remove unneeded variable
ldlm_lock_enqueue() always returns ELDLM_OK, no matter what happens, so
removed the unneeded variable that this value was being stored in and
just return the value itself.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Cc: Oleg Drokin <oleg.drokin@intel.com>
Cc: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
2015-10-17 08:55:15 -07:00
Linus Torvalds
81429a6dbc Merge branches 'irq-urgent-for-linus' and 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq/timer fixes from Thomas Gleixner:
 "irq: a fix for the new hierarchical MSI interrupt handling which
  unbreaks PCI=n configurations.

  timers: a fix for the new hrtimer clock offset update mechanism to
  ensure that the boot time offset is respected"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  genirq/msi: Do not use pci_msi_[un]mask_irq as default methods

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  timekeeping: Increment clock_was_set_seq in timekeeping_init()
2015-10-17 08:47:27 -07:00
Laura Abbott
fd7cd061ad xhci: Add spurious wakeup quirk for LynxPoint-LP controllers
We received several reports of systems rebooting and powering on
after an attempted shutdown. Testing showed that setting
XHCI_SPURIOUS_WAKEUP quirk in addition to the XHCI_SPURIOUS_REBOOT
quirk allowed the system to shutdown as expected for LynxPoint-LP
xHCI controllers. Set the quirk back.

Note that the quirk was originally introduced for LynxPoint and
LynxPoint-LP just for this same reason. See:

commit 638298dc66 ("xhci: Fix spurious wakeups after S5 on Haswell")

It was later limited to only concern HP machines as it caused
regression on some machines, see both bug and commit:

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=66171
commit 6962d914f3 ("xhci: Limit the spurious wakeup fix only to HP machines")

Later it was discovered that the powering on after shutdown
was limited to LynxPoint-LP (Haswell-ULT) and that some non-LP HP
machine suffered from spontaneous resume from S3 (which should
not be related to the SPURIOUS_WAKEUP quirk at all). An attempt
to fix this then removed the SPURIOUS_WAKEUP flag usage completely.

commit b45abacde3 ("xhci: no switching back on non-ULT Haswell")

Current understanding is that LynxPoint-LP (Haswell ULT) machines
need the SPURIOUS_WAKEUP quirk, otherwise they will restart, and
plain Lynxpoint (Haswell) machines may _not_ have the quirk
set otherwise they again will restart.

Signed-off-by: Laura Abbott <labbott@fedoraproject.org>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Oliver Neukum <oneukum@suse.com>
[Added more history to commit message -Mathias]
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 00:04:18 -07:00
Mathias Nyman
3b4739b895 xhci: handle no ping response error properly
If a host fails to wake up a isochronous SuperSpeed device from U1/U2
in time for a isoch transfer it will generate a "No ping response error"
Host will then move to the next transfer descriptor.

Handle this case in the same way as missed service errors, tag the
current TD as skipped and handle it on the next transfer event.

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 00:04:18 -07:00
Mathias Nyman
e210c422b6 xhci: don't finish a TD if we get a short transfer event mid TD
If the difference is big enough between the bytes asked and received
in a bulk transfer we can get a short transfer event pointing to a TRB in
the middle of the TD. We don't want to handle the TD yet as we will anyway
receive a new event for the last TRB in the TD.

Hold off from finishing the TD and removing it from the list until we
receive an event for the last TRB in the TD

Cc: stable <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-17 00:04:18 -07:00
Peter Senna Tschudin
50bdb12388 usb/host/fotg210: Add function scan_frame_queue()
checkpatch complains about too many leading tabs because the if
statement starts after 6 tabs:

scan_iosoc() -> for() -> while() -> switch() -> if() -> for() -> if()

There is also a goto statement going backwards in case of failure. This
patch creates a new inline function named scan_frame_queue() containing
the last 4 nesting levels, and removes the need of backwards goto,
making the code easier to read. After the patch it becomes:

scan_iosoc() -> for() -> while() -> scan_frame_queue()

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-16 23:46:27 -07:00
Peter Senna Tschudin
32fb1939e3 usb/host/fotg210: Add function: output_buf_tds_dir()
checkpatch complains about too many leading tabs because the switch
statement starts after 6 tabs.

fill_periodic_buffer() -> for() -> do -> switch() -> if() ->
list_for_each_entry() and finally the last switch().

This patch moves the list_for_each_entry() and the last switch() to a
new function named output_buf_tds_dir(). This change makes the code
easier to read and calm down checkpatch. This patch changes it to:

fill_periodic_buffer() -> for() -> do -> switch() -> if() ->
output_buf_tds_dir()

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-16 23:46:27 -07:00
Peter Senna Tschudin
c4d66b5f8d usb/host/fotg210: convert macro to inline function
This patch convert the macro speed_char in an inline function. The goal
of this patch is to make the code easier to read.

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-16 23:46:27 -07:00
Peter Senna Tschudin
05ebc36e48 usb/host/fotg210: replace msleep by usleep_range
msleep under 20ms can result in sleeping up to 20ms, which may not be
intended. Replace msleep(5) by usleep_range(5000, 10000). The range of 5
ms is to reduce the chances of creating an interrupt while reducing the
maximum wait time in 50%.

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-16 23:46:27 -07:00