| Age | Commit message (Collapse) | Author |
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Setup legacy rates in ath_rate_init() itself.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Avoid casting of ath_tx_ratctrl and access the elements directly.
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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[ 6133.670329] BUG: unable to handle kernel NULL pointer dereference at 0000000000000010
[ 6133.672802] IP: [<ffffffffa030fcf6>] ieee80211_stop_queues+0x26/0x40 [mac80211]
[ 6133.672802] PGD 759dc067 PUD 74f1d067 PMD 0
[ 6133.672802] Oops: 0002 [#1] PREEMPT SMP
[ 6133.672802] last sysfs file: /sys/class/backlight/acpi_video0/brightness
[ 6133.672802] CPU 0
[ 6133.672802] Modules linked in: ath9k(-) mac80211 pciehp pci_hotplug arc4 ecb joydev pcmcia ppdev lp ppp_generic psmouse sg pcspkr s]
[ 6133.735830] Pid: 4445, comm: rmmod Tainted: G W 2.6.28-rc5-wl #1
[ 6133.735830] RIP: 0010:[<ffffffffa030fcf6>] [<ffffffffa030fcf6>] ieee80211_stop_queues+0x26/0x40 [mac80211]
[ 6133.735830] RSP: 0018:ffff88007d1efd10 EFLAGS: 00010246
[ 6133.735830] RAX: 0000000000000000 RBX: ffff880074f41aa0 RCX: 0000000000000000
[ 6133.735830] RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffff880074f40340
[ 6133.735830] RBP: ffff880074990000 R08: 0000000000000000 R09: 000000000000224d
[ 6133.735830] R10: 0000000000000000 R11: ffffffff8031dc70 R12: 0000000000000000
[ 6133.735830] R13: 0000000000000001 R14: ffff880074f46c9c R15: 0000000000000000
[ 6133.735830] FS: 00007f1e2e0bc6f0(0000) GS:ffffffff805e0b80(0000) knlGS:0000000000000000
[ 6133.735830] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 6133.735830] CR2: 0000000000000010 CR3: 0000000075593000 CR4: 00000000000006e0
[ 6133.735830] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6133.735830] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 6133.735830] Process rmmod (pid: 4445, threadinfo ffff88007d1ee000, task ffff88007c0c8000)
[ 6133.735830] Stack:
[ 6133.735830] ffffffffa034d583 ffff88007c7d9410 ffff88007c7d9410 ffff88007c7d9410
[ 6133.735830] ffffffff80481dab ffff880074f41aa0 00000000fffffff0 0000000000000000
[ 6133.735830] 0000000000000001 0000000000000001 ffffffffa034d8a5 ffff88007c7d9400
[ 6133.735830] Call Trace:
[ 6133.735830] [<ffffffffa034d583>] ? ath_radio_disable+0x33/0x150 [ath9k]
[ 6133.735830] [<ffffffff80481dab>] ? __mutex_lock_slowpath+0x20b/0x2a0
[ 6133.735830] [<ffffffffa034d8a5>] ? ath_sw_toggle_radio+0x65/0xa0 [ath9k]
[ 6133.735830] [<ffffffffa019d1f4>] ? rfkill_toggle_radio+0x74/0x140 [rfkill]
[ 6133.735830] [<ffffffffa019d597>] ? rfkill_remove_switch+0x67/0x80 [rfkill]
[ 6133.735830] [<ffffffffa019d955>] ? rfkill_unregister+0x25/0x50 [rfkill]
[ 6133.735830] [<ffffffffa034bf75>] ? ath_detach+0xf5/0x140 [ath9k]
[ 6133.735830] [<ffffffffa034bfe9>] ? ath_pci_remove+0x29/0x80 [ath9k]
[ 6133.735830] [<ffffffff8035263c>] ? pci_device_remove+0x2c/0x60
[ 6133.735830] [<ffffffff803c3829>] ? __device_release_driver+0x99/0x100
[ 6133.735830] [<ffffffff803c3950>] ? driver_detach+0xc0/0xd0
[ 6133.735830] [<ffffffff803c296e>] ? bus_remove_driver+0x8e/0xd0
[ 6133.735830] [<ffffffff80352916>] ? pci_unregister_driver+0x36/0xa0
[ 6133.735830] [<ffffffffa0356ad4>] ? exit_ath_pci+0x10/0x29 [ath9k]
[ 6133.735830] [<ffffffff8026bb1b>] ? sys_delete_module+0x1cb/0x2d0
[ 6133.735830] [<ffffffff802960d9>] ? do_munmap+0x349/0x390
[ 6133.735830] [<ffffffff80342d01>] ? __up_write+0x21/0x150
[ 6133.735830] [<ffffffff8020c45b>] ? system_call_fastpath+0x16/0x1b
[ 6133.735830] Code: c3 0f 1f 40 00 0f b7 57 5e 0f b7 47 5c 01 c2 74 30 31 c9 66 90 48 8b 57 78 0f b7 c1 48 c1 e0 07 48 03 82 00 03 00
[ 6133.735830] RIP [<ffffffffa030fcf6>] ieee80211_stop_queues+0x26/0x40 [mac80211]
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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In the commit entitled "mac80211/drivers: rewrite the rate control
API", the meaning of the packet transmit count was changed from the
number of retries to the total number. In driver rtl8187, this change
was missed.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Acked-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Tested-by: Hin-Tak Leung <htl10@users.sourceforge.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When we switch off the LEDS during initialization
we kill rt73usb from proper functioning. The immediate
result after the first LED command are MCU failures
and a complete breakdown of TX/RX.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Since WE7 /proc/net/wireless checks whether level and noise are in dBm
and shows them accordingly. Indicate that we return signal and noice
levels in dBm.
Before:
Inter-| sta-| Quality | Discarded packets | Missed | WE
face | tus | link level noise | nwid crypt frag retry misc | beacon | 22
eth1: 0000 65. 219. 165. 0 0 148 41 0 0
After:
Inter-| sta-| Quality | Discarded packets | Missed | WE
face | tus | link level noise | nwid crypt frag retry misc | beacon | 22
eth1: 0000 65. -37. -91. 0 0 0 0 0 0
While at it, replace raw numbers with appropriate macro.
Signed-off-by: Andrey Borzenkov <arvidjaar@mail.ru>
Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This fixes the poor wireless connection which happens even
if we are very well in the range.
Signed-off-by: Don.breslin@atheros.com
Signed-off-by: Vasanthakumar Thiagarajan <vasanth@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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As was pointed out in "p54: honour bss_info_changed's short slot time settings",
bss_info_changed provides more useful settings that can be used by the driver.
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Johannes pointed out that the driver has cache the firmware for
suspend/resume cycles.
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch contains only contains a one-liner fixes and enhancements
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch enables Mesh Point operation for any p54 device.
Signed-off-by: Christian Lamparter <chunkeey@web.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Make the DMAable mameory consistent with pci_set_consistent_dma_mask().
The DMA-mapping.txt Documentation recommends this but for PCI-X
considerations and on strange architecture like SGI SN2, not sure
why it would fix an issue but lets see if it does, just in case.
Before this, this driver was tested with x86_64 with about
7 GB of RAM, not sure if this is really needed.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Use DMA_32BIT_MASK to clarify we only want 32-bit DMA
memory. What was there before is also 32-bit but this makes it
clearer
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Instead of hardcoding the used in/out endpoints
we should detect them by walking through all
available endpoints.
rt2800usb will gain the most out of this, because
the legacy drivers indicate that there are multiple
endpoints available.
However this code might benefit at least rt73usb as
well for the MIMO queues, and if we are really lucky
rt2500usb will benefit because for the TX and PRIO
queues.
Even if rt2500usb and rt73usb do not get better performance
after this patch, the endpoint detection still belongs to
rt2x00usb, and it shouldn't hurt to always try to detect
the available endpoints.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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After considerable testing, the initial fears that the driver might damage
some flavors of RTL8187B hardware seem to be groundless. Accordingly, the
logged warning is removed. In addition, Kconfig is changed to remove the
dependence on EXPERIMENTAL.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger>
Acked-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Acked-by: Hin-Tak Leung <htl10@users.sourceforge.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Realtek 8187B has a receive command queue to feedback beacon interrupt
and transmitted packet status. Use it to feedback mac80211 about status
of transmitted packets. Unfortunately in the course of testing I found
that the sequence number reported by hardware includes entire sequence
control in a 12 bit only field, so a workaround is done to check only
lowest bits.
Tested-by: Larry Finger <Larry.Finger@lwfinger.net>
Tested-by: Hin-Tak Leung <htl10@users.sourceforge.net>
Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Add conf_tx callback and use it to configure tx queues of 8187L/8187B.
Tested-by: Larry Finger <Larry.Finger@lwfinger.net>
Tested-by: Hin-Tak Leung <htl10@users.sourceforge.net>
Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Hin-Tak Leung reported that after the change "rtl8187: add short slot
handling for 8187B" his RTL8187B started to give low throughput on
network transfers. Turns out that the SIFS setting used isn't ok, it
doesn't look to be the real aSIFSTime, using the "magical" 0x22 value
like on other 818x variants as the vendor does too fixes the issue.
Tested-by: Larry Finger <Larry.Finger@lwfinger.net>
Tested-by: Hin-Tak Leung <htl10@users.sourceforge.net>
Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Race condition causes RX buffers to be accessed even before it is
initialized. The RX and TX buffers are initialized immediately after
the hardware is registered with mac80211. The mac80211 start callback
is ready to be fired once the device is registered for a case when the
wpa_supplicant is also running at the same time.
The same race condition is also possible for RKFILL registration
as RFKILL init happens after the device registration with mac80211
and it is possible that rfkill_register would be called even before
it is initialized.
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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ath9k frees irq even before IRQs are disabled and existing IRQs
are flushed when rfkill_register() fails.
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Currently, ath9k builds RFKILL feature only when the RFKILL subsystem
is built part of the kernel. Build RFKILL feature regardless of whether
RFKILL subsystem is built as a MODULE or part of the kernel.
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch fixes incorrect noise floor threshold values.
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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init values update for various atheros chipsets.
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This enables the custom firmware regulatory solution option
on iwlwifi drivers. These devices are uncapable of mapping their
EEPROM regulatory domain to a specific ISO / IEC alpha2.
Although the new 11n devices (>= iwl 5000) have only
3 regultaory SKUs -- MOW, ABG (no N) and BG -- the older
devices (3945 and 4965) have a more complex SKU arrangement
and therefore its not practical to move this to the driver.
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Acked-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch fix value of upper FH register bound plus
it reorders and groups registers in more readable way
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Acked-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch cleans up some flow handler related document. It also
removes some blank lines.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The patch rewrites the mac80211 configure_filter handler to better mapping
mac80211 filter flags to iwlwifi hardware filter flags. We now can support
5 mac80211 filter flags: FIF_OTHER_BSS, FIF_ALLMULTI, FIF_PROMISC_IN_BSS,
FIF_BCN_PRBRESP_PROMISC and FIF_CONTROL. This patch also avoids reconnecting
if the filter flags are changed when the STA is associated. Because rx_assoc
is used when full rxon is not necessary.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Patch fixes checkpatch.pl errors for iwlwifi.
Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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use IWL_CCK_RATES_MASK and IWL_OFDM_RATES_MASK instead of
their values directly.
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
cc: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch
1. Removes use once use only fc variables, they are useless after refactoring
ieee80211 frame control handlers
2. Other trivial cleanups
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch moves code around and group most of the station
management code into iwl-sta.c
No functional changes (yet)
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Patch aligns iwl3945_pci_probe with iwlwifi's iwl_pci_probe.
Added few comments and code simplified to make readable.
Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The callback function write_tx_data() can only fail
when our ENTRY_OWNER_DEVICE_DATA flag on a queue entry
failed to determine the entry was not available and
it is in fact still owned by the hardware.
This means that if that function fails the queue
must be stopped in mac80211.
When rt2x00queue_get_queue() returns NULL in the TX
path, it means mac80211 has passed us an invalid queue,
although this should be impossible, it shouldn't hurt
if we send mac80211 a signal to stop the queue either.
Both issues can simply be resolved by removing their
manual failure handler and making them use the failure path
provided in rt2x00mac_tx().
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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rt2500usb and rt73usb have different register word sizes,
for that reason the register access wrappers were never
moved into rt2x00usb.
With rt2800usb on its way, we should favor the 32bit
register access and move those wrappers into rt2x00usb.
That saves duplicate code, since only rt2500usb will
need the special 16bit wrappers.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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All code which accessed indirect registers was similar
in respect to the for-loop, the given timeout, etc.
Move it into a seperate function, which for PCI drivers
can be moved into rt2x00pci.
This allows us to cleanup the cleanup the code further
by removing the goto statementsand making the codepath
look a bit nicer.
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Call the ath5k pci driver struct "ath5k" too to be less
confusing in sysfs.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This reverts commit 4a3e818181e1baf970e9232ca8b747e233176b87.
On request from Alan Cox.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit 52429eb216385fdc6969c0112ba8b46cffefaaef.
On request from Alan Cox.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit 7ea3a9ad9bf360f746a7ad6fa72511a5c359490d.
On request from Alan Cox.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This change forces the bits to 0 by using an &= operation with an inverted
mask of all options instead of using an |= with a value of 0.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is a reference to a Buffer Size extention bit that is unneded by
82575/82576 hardware. Since it is not needed it should be removed from the
code.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since the netlink option for DCB is necessary to actually be useful,
simplified the Kconfig option. In addition, added useful help text for the
Kconfig option.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add %pm to omit the colons when printing a mac address.
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Made usb_drivers reset_resume function point to hso_resume this
fixes problems a usb reset is done when the network interface
is left idle for a few minutes. Possibly reset_resume should
initialise hardware more but this works in the common case.
Signed-off-by: Denis Joseph Barrow <D.Barow@option.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Makes TIOCM ioctls for Data Carrier Detect & related functions
work like /drivers/serial/serial-core.c potentially needed
for pppd & similar user programs.
Signed-off-by: Denis Joseph Barrow <D.Barow@option.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A new structure hso_mutex_table had to be declared statically
& used as as hso_device mutex_lock(&serial->parent->mutex) etc
is freed in hso_serial_open & hso_serial_close by kref_put while
the mutex is still in use.
This is a substantial change but should make the driver much stabler.
Signed-off-by: Denis Joseph Barrow <D.Barow@option.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Added check for IFF_UP in hso_resume, this should eliminate -EINVAL (-22)
errors caused from urb's being submitted twice, once by hso_resume
& once in hso_net_open, if suspend/resume USB power saving mode is enabled
Signed-off-by: Denis Joseph Barrow <D.Barow@option.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Moved serial_open_count in hso_serial_open to
prevent crashes owing to the serial structure being made NULL
when hso_serial_close is called even though hso_serial_open
returned -ENODEV, Alan Cox pointed out this happens,
also put in sanity check in hso_serial_close
to check for a valid serial structure which should prevent
the most reproducable crash in the driver when the hso device
is disconnected while in use.
Signed-off-by: Denis Joseph Barrow <D.Barow@option.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Denis Joseph Barrow <D.Barow@option.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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