When the checkpatch.pl script was run, it showed lines with length
more than 80 characters in rtw_ap.c file. Fixed line number 382 by
breaking it up into two lines within 80 characters.
Signed-off-by: Sreenath Madasu <Sreenath.Madasu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Fix coding style error by removing spaces before ',' as suggested by
checkpatch.pl script.
Signed-off-by: Sunil Shahu <shshahu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

bool check modified
Signed-off-by: Prasanna Karthik <mkarthi3@visteon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

linux/ieee80211.h already defines constants for capability bits.
Include it where needed, resolve discrepancies in naming, and remove the
duplicated definitions.

Also, make use of WLAN_CAPABILITY_IS_STA_BSS() macro to check if neither
ESS nor IBSS capability bits are set.
Signed-off-by: Jakub Sitnicki <jsitnicki@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

We were only using the kernel commandline to set the mode if this driver
is builtin, but when it is built as a module we were not having any way
to set the mode. Start using commandline even if it is built as a
module.
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

We were checking smtc_regbaseaddress and that too at a place where it
can never be NULL. Real check should be on sfb->lfb immediately after
we do ioremap.
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

These macros were only defined but not used anywhere.
Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Signed-off-by: Luis de Bethencourt <luis@debethencourt.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

In ancient times it was necessary to manually initialize the bus
field of an spi_driver to spi_bus_type. These days this is done in
spi_register_driver(), so we can drop the manual assignment.
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: devel@driverdev.osuosl.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

and mark them as static inline.
This shrinks the compiled module from 137442 to 117732 bytes and we also
get rid of vb_util.c
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This patch uses the  BIT macro for bit shift operation.
Signed-off-by: Hari Prasath Gujulan Elango <hgujulan@visteon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Fix line over 80 characters warning.
Signed-off-by: Ravi Teja Darbha <ravi2j@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Variable "u32 c" always re-initialize in for loop.
Initialized value of "u32 c" is not used in function
and is redundant, hence removed.
Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Sunil Shahu <shshahu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

"else" statement after "if" is unnecessary, hence removed.
Signed-off-by: Sunil Shahu <shshahu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Convert a Microsoft compiler specific directive "#pragma pack(1)" to a
GCC equivalent __packed. Also, by doing this we save
ourselves from trouble if any other struct definitions are added after
the #pragma because it will be applied to all of the definitions
following it.
Signed-off-by: Giedrius Statkevičius <giedrius.statkevicius@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Wrap function arguments to shorten lines to under 80 characters.
Signed-off-by: Peter Karlsson <peter@zapto.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Fixed alignment to 8 bytes per line.
Signed-off-by: Peter Karlsson <peter@zapto.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Use eth_zero_addr to assign the zero address to the given address
array instead of memset when second argument is address of zero.
Note that the 6 in the third argument of memset appears to represent
an ethernet address size (ETH_ALEN).

The Coccinelle semantic patch that makes this change is as follows:

// <smpl>
@eth_zero_addr@
expression e;
@@

-memset(e,0x00,6);
+eth_zero_addr(e);
// </smpl>
Signed-off-by: Vaishali Thakkar <vthakkar1994@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Fix checkpatch.pl "space required after that ','" errors
Signed-off-by: Greg Donald <gdonald@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This patch removes the trailing whitespace error given
by checkpatch.pl
Signed-off-by: Joglekar Tejas <tjogleka@visteon.com>
Acked-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This patch fixes checkpatch.pl warnings in upc.h regarding single-statement macros
embedded within do { } while (0) blocks.
Signed-off-by: Nicholas Parkanyi <n.parkanyi@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This patch replaces C99 comments in rf.h and rf.c, with
C89 comments, fixing the checkpatch.pl errors.
Signed-off-by: Nicholas Parkanyi <n.parkanyi@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Add IEEE80211_HW_SUPPORTS_PS to ieee80211_hw flags
enabling this feature.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

PSbIsNextTBTTWakeUp is called at beacon intervals.

The should listen to next beacon on count down of wake_up_count == 1.

This restores this back to vendors code but modified for mac80211.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

mac80211 changes the wake state before attempting to tx data
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

The presence of comments originally caused the two lines
to be over 80 characters long.

The issue is fixed by moving the comments into a separate line.
Signed-off-by: Arjun Krishna Babu <arjunkrishnababu96@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This is a driver chip for 240x160 4-bit greyscale LCDs.
It is capable of 4-wire (8 bit) or 3-wire (9 bit) SPI that have both been
tested. (It also has a 6800 or 8080-style parallel interface, but I have
not included support for it.)
Signed-off-by: Henri Chain <henri.chain@eleves.ec-nantes.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

When an init sequence is present in the Device Tree,
fbtft_init_display_dt() is used to initialize the display.
Add missing reset function call and activation of
chip select for parallel bus.
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This patch fixes the following checkpatch.pl error:

CHECK:SPACING at line 318.
Signed-off-by: Fabio Falzoi <fabio.falzoi84@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This patch fixes the following checkpatch.pl error:

CHECK:PARENTHESIS_ALIGNMENT at line 217.
Signed-off-by: Fabio Falzoi <fabio.falzoi84@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This patch removes some unnecessary multiple blank lines to fix the
following checkpatch errors:

CHECK:LINE_SPACING at lines 29, 67, 131, 287, 299, 312, 326, 351 and
364.
Signed-off-by: Fabio Falzoi <fabio.falzoi84@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Remove paragraph about writing to the Free Software Foundation's
mailing address from GPL notice.
This patch fixes the following checkpatch error:

CHECK:FSF_MAILING_ADDRESS at line 17.
Signed-off-by: Fabio Falzoi <fabio.falzoi84@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

We learned that it was possible for the core networking code to call
visornic_xmit() within ISR context, resulting in the need for us to
use spin_lock_irqsave() / spin_lock_irqrestore() to lock accesses to our
virtual device channels.

Without the correct locking added in this patch, random hangs would occur
on typical kernels while stressing the netork.  When using a kernel with
CONFIG_DEBUG_SPINLOCK=y, a stackdump would occur at the time of the hang
reporting:

    BUG: spinlock recursion on CPU#0, vnic_incoming/<pid>

(see below for more details)

We considered the possibility of adding a protocol between a visordriver
and visorbus where the visordriver could specify which type of locking it
required for its virtual device channels (essentially indicating whether
or not it was possible for the channel to be accessed in ISR context), but
decided this extra complexity was NOT needed, and that channel queues
should always be accessed with the most-stringent locking.  So that is
what is implemented in this commit.

Below is an example stackdump illustrating the spinlock recursion that is
fixed by this commit.  Note that we are first in virtnic_rx() writing to
the device channel when an APIC timer interrupt occurs.  Within the core
networking code, net_rx_action() calls process_backlog(), which eventually
lands up back up in virtnic_xmit() in the code attempting to also write to
the device channel.

    BUG: spinlock recursion on CPU#0, vnic_incoming/262
     lock: 0xffff88002db810c0, .magic: dead4ead, .owner: vnic_incoming/262,
                               .owner_cpu: 0
    CPU: 0 PID: 262 Comm: vnic_incoming
                    Tainted: G         C      4.2.0-rc1-ARCH+ #56
    Hardware name: Dell Inc. PowerEdge T110/ , BIOS 1.23 12/15/2009
     ffff8800216ac200 ffff88002c803388 ffffffff81476364 0000000000000106
     ffff88002db810c0 ffff88002c8033a8 ffffffff8109e2bc ffff88002db810c0
     ffffffff817631d4 ffff88002c8033c8 ffffffff8109e330 ffff88002db810c0
    Call Trace:
     <IRQ>  [<ffffffff81476364>] dump_stack+0x4f/0x73
     [<ffffffff8109e2bc>] spin_dump+0x7c/0xc0
     [<ffffffff8109e330>] spin_bug+0x30/0x40
     [<ffffffff8109e547>] do_raw_spin_lock+0x127/0x140
     [<ffffffff8147bad0>] _raw_spin_lock+0x40/0x50
     [<ffffffffa0151fa6>] ? visorchannel_signalinsert+0x46/0x70 [visorbus]
     [<ffffffffa0151fa6>] visorchannel_signalinsert+0x46/0x70 [visorbus]
     [<ffffffffa01683a2>] visornic_xmit+0x302/0x5d0 [visornic]
     [<ffffffff813b2f30>] dev_hard_start_xmit+0x2e0/0x510
     [<ffffffff813b2b75>] ? validate_xmit_skb+0x235/0x310
     [<ffffffff813d79e7>] sch_direct_xmit+0xf7/0x1d0
     [<ffffffff813b34d3>] __dev_queue_xmit+0x203/0x640
     [<ffffffff813b3320>] ? __dev_queue_xmit+0x50/0x640
     [<ffffffff813f3f6f>] ? ip_finish_output+0x1df/0x310
     [<ffffffff813b3933>] dev_queue_xmit_sk+0x13/0x20
     [<ffffffff813f3a5c>] ip_finish_output2+0x22c/0x470
     [<ffffffff813f3f6f>] ? ip_finish_output+0x1df/0x310
     [<ffffffff810987e0>] ? __lock_is_held+0x50/0x70
     [<ffffffff813f3f6f>] ip_finish_output+0x1df/0x310
     [<ffffffff813f4c31>] ip_output+0xb1/0x100
     [<ffffffff813f41be>] ip_local_out_sk+0x3e/0x80
     [<ffffffff813f4388>] ip_queue_xmit+0x188/0x4a0
     [<ffffffff813f4200>] ? ip_local_out_sk+0x80/0x80
     [<ffffffff8139fcd6>] ? __alloc_skb+0x86/0x1e0
     [<ffffffff8140bd5b>] tcp_transmit_skb+0x4cb/0x9c0
     [<ffffffff8139f0dc>] ? __kmalloc_reserve+0x3c/0x90
     [<ffffffff8139fcea>] ? __alloc_skb+0x9a/0x1e0
     [<ffffffff8140c47d>] tcp_send_ack+0x10d/0x150
     [<ffffffff814060ee>] __tcp_ack_snd_check+0x5e/0x90
     [<ffffffff81408eb4>] tcp_rcv_established+0x354/0x710
     [<ffffffff81412182>] tcp_v4_do_rcv+0x162/0x3f0
     [<ffffffff81414412>] tcp_v4_rcv+0xb22/0xb50
     [<ffffffff813ee2bc>] ? ip_local_deliver_finish+0x4c/0x2d0
     [<ffffffff813ee350>] ip_local_deliver_finish+0xe0/0x2d0
     [<ffffffff813ee2bc>] ? ip_local_deliver_finish+0x4c/0x2d0
     [<ffffffff813ee72e>] ip_local_deliver+0xae/0xc0
     [<ffffffff813edeaf>] ip_rcv_finish+0x14f/0x510
     [<ffffffff813aab2d>] ? __netif_receive_skb_core+0x9d/0xb70
     [<ffffffff813eea13>] ip_rcv+0x2d3/0x3b0
     [<ffffffff81097110>] ? cpuacct_css_alloc+0xb0/0xb0
     [<ffffffff813ab0f3>] __netif_receive_skb_core+0x663/0xb70
     [<ffffffff813aab2d>] ? __netif_receive_skb_core+0x9d/0xb70
     [<ffffffff810971a9>] ? cpuacct_charge+0x99/0xb0
     [<ffffffff81097110>] ? cpuacct_css_alloc+0xb0/0xb0
     [<ffffffff810987e0>] ? __lock_is_held+0x50/0x70
     [<ffffffff813ab72c>] ? process_backlog+0xbc/0x150
     [<ffffffff813ab78b>] ? process_backlog+0x11b/0x150
     [<ffffffff813ab627>] __netif_receive_skb+0x27/0x70
     [<ffffffff813ab702>] process_backlog+0x92/0x150
     [<ffffffff813afffd>] net_rx_action+0x13d/0x350
     [<ffffffff81036b2d>] ? lapic_next_event+0x1d/0x30
     [<ffffffff81058694>] __do_softirq+0x104/0x320
     [<ffffffff810c0788>] ? hrtimer_interrupt+0xc8/0x1a0
     [<ffffffff81074e70>] ? blocking_notifier_chain_cond_register+0x70/0x70
     [<ffffffff81058ab9>] irq_exit+0x79/0xa0
     [<ffffffff8147ecca>] smp_apic_timer_interrupt+0x4a/0x60
     [<ffffffff8147d2c8>] apic_timer_interrupt+0x68/0x70
     <EOI>  [<ffffffff81271c02>] ? __memcpy+0x12/0x20
     [<ffffffffa01517da>] ? visorchannel_write+0x4a/0x80 [visorbus]
     [<ffffffffa0151eb8>] signalinsert_inner+0x88/0x130 [visorbus]
     [<ffffffffa0151fb5>] visorchannel_signalinsert+0x55/0x70 [visorbus]
     [<ffffffffa0166e57>] visornic_rx+0x12e7/0x19d0 [visornic]
     [<ffffffffa01677c9>] process_incoming_rsps+0x289/0x690 [visornic]
     [<ffffffff814771c5>] ? preempt_schedule+0x25/0x30
     [<ffffffff81001026>] ? ___preempt_schedule+0x12/0x14
     [<ffffffff81093080>] ? wait_woken+0x90/0x90
     [<ffffffffa0167540>] ? visornic_rx+0x19d0/0x19d0 [visornic]
     [<ffffffffa0167540>] ? visornic_rx+0x19d0/0x19d0 [visornic]
     [<ffffffff81073a39>] kthread+0xe9/0x110
     [<ffffffff81073950>] ? __init_kthread_worker+0x70/0x70
     [<ffffffff8147c89f>] ret_from_fork+0x3f/0x70
     [<ffffffff81073950>] ? __init_kthread_worker+0x70/0x70

Fixes: b12fdf7d ('staging: unisys: rework signal remove/insert to avoid sparse lock warnings')
Signed-off-by: Tim Sell <Timothy.Sell@unisys.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

A visorchannel associated with a device should have its writing to
the channel protected by a lock.

Fixes: b32c4997 ('staging: unisys: Move channel creation up the stack')
Signed-off-by: Tim Sell <Timothy.Sell@unisys.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Remove some extra tabs in order to improve readalibility.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This patch turns a kmalloc/memset into an equivalent kzalloc.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

visorchannel_write() and it's user visorbus_write_channel() are
exported, so all visorbus function drivers (i.e., drivers that call
visorbus_register_visor_driver()) are potentially affected by the bug.

Because of pointer-arithmetic rules, the address being written to in the
affected code was actually at byte offset:

    sizeof(struct channel_header) * offset

instead of just <offset> bytes as intended.

The bug could cause some very difficult-to-diagnose symptoms.  The
particular problem that led me on this chase was a kernel fault that
would occur during 'insmod visornic' after a previous 'rmmod visornic',
where we would fault during netdev_register_kobject() within
pm_runtime_set_memalloc_noio() while traversing a device list, which
occurred because dev->parent for the visorbus device had become
corrupted.

Fixes: 0abb60c1 ('staging: unisys: visorchannel_write(): Handle...')
Signed-off-by: Tim Sell <Timothy.Sell@unisys.com>
Acked-by: Don Zickus <dzickus@redhat.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

I'm not sure what adverse runtime effects the previously-omitted
NULL-termination would cause, but the code was definitely wrong.

Fixes: 79573162 ('staging: unisys: Clean up device sysfs attributes')
Signed-off-by: Tim Sell <Timothy.Sell@unisys.com>
Acked-by: Don Zickus <dzickus@redhat.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

When building with ARCH=um you get the following error:

arch/x86/include/asm/cpufeature.h:252:42: error: 'REQUIRED_MASK0'
	undeclared

The Unisys drivers should not be compiled for UML, so this patch addresses
that by adding a dependency to kconfig for !UML.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Tested-by: Ken Cox <jkc@redhat.com>
Signed-off-by: Ken Cox <jkc@redhat.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

We inadvertently remove the MODULE_DEVICE_TABLE line for visorbus,
this patch adds it back in.
Signed-off-by: David Kershner <david.kershner@unisys.com>
Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Fixes: d5b3f1dc ('staging: unisys: move timskmod.h functionality')
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>