Commit Graph

506942 Commits

Author SHA1 Message Date
Matthias Schwarzott
b9ce9dfd18 [media] cx231xx: change usage of I2C_1 to the real i2c port
change almost all instances of I2C_1 to I2C_1_MUX_3

Only these cases are changed to I2C_1_MUX_1:
* All that have dont_use_port_3 set.
* CX231XX_BOARD_HAUPPAUGE_EXETER, old code did explicitly not switch to port3.
* eeprom access for 930C

Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-10-30 17:38:42 -02:00
Matthias Schwarzott
8a0253481c [media] cx231xx: let is_tuner check the real i2c port and not the i2c master number
Get used i2c port from bus_nr and status of port_3 switch.

Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-10-30 17:38:36 -02:00
Larry Finger
09fa9d87ca rtlwifi: rtl8821ae: Remove extra semicolons
The kbuild test robot reports that there are extra semicolons in this
driver. All of them are caused by using "};" rather than "}" at the
end of a switch statement. This patch does not change any functionality.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Murilo Opsfelder Araujo <mopsfelder@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:26:54 -04:00
Arend van Spriel
3fe33c4cec brcmsmac: expose 802.11 core statistics in debugfs
The 802.11 statistics obtained from the device can be retrieved
dumping the 'macstat' file in debugfs folder.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:26:53 -04:00
Arend van Spriel
9146782b1b brcmsmac: fix statistic counter update function
The 802.11 core statistics are retrieved from the core registers
but not stored. So the debug code was never triggered to give a
warning message on tx underruns or rx overflows. This patch fixes
this and assures the statistics are stored in the snapshot.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:26:53 -04:00
Joe Perches
7a1283d8f5 carl9170: Convert byte_rev_table uses to bitrev8
Use the inline function instead of directly indexing the array.

This allows some architectures with hardware instructions
for bit reversals to eliminate the array.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:26:52 -04:00
Vladimir Kondratiev
9a06bec9ae wil6210: Add support for large packets
It is possible to configure driver using mtu_max module parameter
by setting it to value in range of 68..7920 inclusive.
This is sub-optimal performance-wise in case packet is larger than 1 page.
mtu_max default value is 2228.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:26:52 -04:00
Vladimir Kondratiev
e240537b4c wil6210: improve dmesg for fw error handling
In case of FW error, make it clear (in dmesg) what branch is taken
in the error recovery code.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:26:51 -04:00
Vladimir Kondratiev
b516fcc554 wil6210: prevent double disconnect command issuing
Disconnect flow may be invoked either from upper layer request,
or from event reported by the firmware.

In case of firmware event, driver need to release resources for the station but
not send another disconnect WMI command.

In case of upper layer request, WMI_DISCONNECT_STA_CMDID command need to
be issued for the firmware to perform disconnect on the MAC layer. Eventually,
event is expected to confirm MAC disconnect, but it is better to not wait for
firmware event and release station resources immediately. FW may fail to
report disconnect for various reasons, so one could not rely on event always reported.

Introduce parameter to distinguish 2 cases above to prevent double WMI command
issuing.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:26:50 -04:00
Vladimir Kondratiev
48516298ed wil6210: reset flow updates
As communicated with the firmware & hardware teams

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:26:50 -04:00
Vladimir Kondratiev
cded936962 wil6210: do not attempt FW recovery if interface is down
When interface is down, recovery flow should not be attempted.
Next ndo_open() will trigger target reset, that is FW recovery.

Doing recovery while interface is down cause internal "up", leaving
internal driver state in conflict with network stack. Then, when network
stack will call ndo_open(), kernel oops will be triggered.

Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:26:49 -04:00
Hante Meuleman
84936626ef brcmfmac: (clean) Move sdio related function.
prec_enq is a sdio specific function. Move it to sdio.c.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:26:48 -04:00
Hante Meuleman
122d3d04d7 brcmfmac: (clean) Rename sdio related files.
Rename sdio_host.h to sdio.h and dhd_sdio.c to sdio.c.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:26:48 -04:00
Hante Meuleman
888bf76e41 brcmfmac: (clean) Rename sdio related files.
Rename sdio_host.h to sdio.h and dhd_sdio.c to sdio.c.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:26:47 -04:00
Hante Meuleman
bfe8197582 brcmfmac: (clean) Rename files wl_cfg80211 to cfg80211
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:26:46 -04:00
Hante Meuleman
76b5a96d1d brcmfmac: (clean) Rename dhd_common.c in common.c
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:26:45 -04:00
Hante Meuleman
d14f78b990 brcmfmac: (clean) Rename dhd_bus.h in bus.h
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:26:45 -04:00
Hante Meuleman
a8e8ed3446 brcmfmac: (clean) Rename files dhd_dbg to debug
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:26:44 -04:00
Hante Meuleman
4a1c61508b brcmfmac: (clean) Move tracepoint related function.
__brcmf_err is a tracepoint specific function. Move it to
tracepoint.c.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:26:38 -04:00
Hante Meuleman
d3c80372e0 brcmfmac: (clean) Remove packet filter configuration.
Packet filters got configured but never used.

Reviewed-by: Franky Lin <frankyl@broadcom.com>
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:24:50 -04:00
Hante Meuleman
ac83d0b0aa brcmfmac: (clean) Remove usb_rdl.h as it is not needed.
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:24:50 -04:00
Arend van Spriel
9c64766680 brcmfmac: do not use firmware error code in driver
Passing the firmware error codes up the driver may be mapped to
linux error numbers which may impact proper fault analysis. So
better pass up a generic failure code, ie. -EBADE and only show
firmware error code in FIL debug message.

Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:24:50 -04:00
Arend van Spriel
a3e53bbfd9 brcmfmac: remove unused defintion
The define EBRCMF_UNSUPPORTED is not used in the source file so this
patch removes it.

Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:24:50 -04:00
Arend van Spriel
a9a2808f05 brcmfmac: show firmware error as string in debug message
Showing the firmware error allows to quickly give a clue what
went wrong and directly look in the firmware code that gave us
back the error.

Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:24:50 -04:00
Hante Meuleman
b9a82f892e brcmfmac: Add wowl patterns support.
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:24:50 -04:00
Hante Meuleman
330b4e4be9 brcmfmac: Add wowl support for SDIO devices.
This patch adds wowl support for SDIO bus devices. This feature
requires FW which has support for wowl built in.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:24:49 -04:00
Hante Meuleman
244b124c6a brcmfmac: Add wowl support for USB devices.
This patch adds wowl support for USB bus devices. This feature
requires FW which has support for wowl built in.

Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com>
Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com>
Signed-off-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:24:49 -04:00
Lorenzo Bianconi
edad187380 ath9k: set pulse_rssi threshold to 15
Reduce pulse_rssi threshold to 15 in order to improve radar pattern detection
probability on ext channel

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:24:49 -04:00
John W. Linville
47cb759ff7 Merge tag 'iwlwifi-next-for-john-2014-10-29' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
Emmanuel Grumbach <egrumbach@gmail.com> says:

"The big new thing here is netdetect which allows the
firmware to wake up the platform when a specific network
is detected. Along with that I have fixes for d3 operation.
The usual amount of rate scaling stuff - we now support STBC.
The other commit that stands out is Johannes's work on
devcoredump. He basically starts to use the standard
infrastructure he built."

Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:22:06 -04:00
Matthias Schwarzott
a1f267651f [media] cx231xx: remember status of i2c port_3 switch
This is used later for is_tuner function that switches i2c behaviour for
some tuners.

[mchehab@osg.samsung.com: Fix CodingStyle on a multi-line comment]

Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-10-30 17:21:46 -02:00
Gulsah Kose
3fd511d986 staging: rtl8188eu: os_dep: Used min_t instead of min
This patch fixes this checkpatch.pl warning:
WARNING: min() should probably be min_t(int, req->essid_len,
IW_ESSID_MAX_SIZE)

by using this coccinelle script:

@r@
identifier i;
expression e1, e2;
type t1, t2;
@@

t1 i =
- min((t2)e1, e2);
+ min_t(t2, e1, e2);

Signed-off-by: Gulsah Kose <gulsah.1004@gmail.com>
Reviewed-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-30 12:20:16 -07:00
Gulsah Kose
04947c5be5 staging: rtl8188eu: os_dep: Removed unnecessary return.
This patch fixes
WARNING:  void function return statements are not generally useful
checkpatch.pl warning in usb_intf.c by using this coccinelle script

@r@
identifier i;
@@
void i(...)
{
...
-return;
}

Signed-off-by: Gulsah Kose <gulsah.1004@gmail.com>
Reviewed-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-30 12:20:15 -07:00
Gulsah Kose
9d9921e930 staging: rtl8188eu: core: Removed unnecessary return keyword.
This patch fixes
WARNING:  void function return statements are not generally useful
checkpatch.pl warning in rtw_efuse.c by using this coccinelle script

@r@
identifier i;
@@
void i(...)
{
...
-return;
}

Signed-off-by: Gulsah Kose <gulsah.1004@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-30 12:20:15 -07:00
Matthias Schwarzott
c3c3f1ae8b [media] cx231xx: add wrapper to get the i2c_adapter pointer
This is a preparation for mapping I2C_1_MUX_1 and I2C_1_MUX_3 later to the seperate
muxed i2c adapters.

Map mux adapters to I2C_1 for now.

Add local variables for i2c_adapters in dvb_init to get line lengths
shorter.

Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-10-30 17:18:22 -02:00
Matthias Schwarzott
d032ca1283 [media] cx231xx: Use symbolic constants for i2c ports instead of numbers
Replace numbers by the constants of same value and same meaning.

Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-10-30 17:16:41 -02:00
Matthias Schwarzott
9abe3b89f3 [media] cx231xx: Modifiy the symbolic constants for i2c ports and describe
Change to I2C_0 ... I2C_2 for the master ports
and add I2C_1_MUX_1 and I2C_1_MUX_3 for the muxed ones.

V2: Renamed mux adapters to seperate them from master adapters.

Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-10-30 17:15:43 -02:00
Matthias Schwarzott
8da4f2d58d [media] cx231xx: give each master i2c bus a seperate name
Instead of using the same name for all 3 i2c physical buses
inside cx231xx, name them differently, adding a number
to it. This helps to better deal with the logs.

[mchehab@osg.samsung.com: removed an unused bus_name var from
 the original patch]
Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-10-30 17:12:21 -02:00
Matthias Schwarzott
23b0e41b47 [media] cx231xx: delete i2c_client per bus
For each i2c master there is a i2c_client allocated that could be
deleted now that its only two users have been changed to use their
own i2c_client.

Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-10-30 17:10:19 -02:00
Matthias Schwarzott
9c67289061 [media] cx231xx: use own i2c_client for eeprom access
This is a preparation for deleting the otherwise useless i2c_clients
that are allocated for all the i2c master adapters.

Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-10-30 17:10:13 -02:00
Matthias Schwarzott
7c894a3b34 [media] cx231xx: let i2c bus scanning use its own i2c_client
This is a preparation for deleting the otherwise useless i2c_clients
that are allocated for all the i2c master adapters.

Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-10-30 17:10:07 -02:00
Larry Finger
75a916e194 rtlwifi: rtl8192se: Fix firmware loading
An error in the code makes the allocated space for firmware to be too
small.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Murilo Opsfelder Araujo <mopsfelder@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:00:23 -04:00
Larry Finger
8ae3c16e41 rtlwifi: rtl8192ce: Add missing section to read descriptor setting
The new version of rtlwifi needs code in rtl92ce_get_desc() that returns
the buffer address for read operations.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Murilo Opsfelder Araujo <mopsfelder@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:00:23 -04:00
Larry Finger
30c5ccc6af rtlwifi: rtl8192se: Add missing section to read descriptor setting
The new version of rtlwifi needs code in rtl92se_get_desc() that returns
the buffer address for read operations.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Murilo Opsfelder Araujo <mopsfelder@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:00:23 -04:00
Larry Finger
501479699f rtlwifi: rtl8192se: Fix duplicate calls to ieee80211_register_hw()
Driver rtlwifi has been modified to call ieee80211_register_hw()
from the probe routine; however, the existing call in the callback
routine for deferred firmware loading was not removed.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Murilo Opsfelder Araujo <mopsfelder@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:00:23 -04:00
Larry Finger
c0386f1584 rtlwifi: rtl8192ce: rtl8192de: rtl8192se: Fix handling for missing get_btc_status
The recent changes in checking for Bluetooth status added some callbacks to code
in rtlwifi. To make certain that all callbacks are defined, a dummy routine has been
added to rtlwifi, and the drivers that need to use it are modified.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Murilo Opsfelder Araujo <mopsfelder@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:00:23 -04:00
Marc Yang
3a8fede115 mwifiex: restart rxreorder timer correctly
During 11n RX reordering, if there is a hole in RX table,
driver will not send packets to kernel until the rxreorder
timer expires or the table is full.
However, currently driver always restarts rxreorder timer when
receiving a packet, which causes the timer hardly to expire.
So while connected with to 11n AP in a busy environment,
ping packets may get blocked for about 30 seconds.

This patch fixes this timer restarting by ensuring rxreorder timer
would only be restarted either timer is not set or start_win
has changed.

Signed-off-by: Chin-Ran Lo <crlo@marvell.com>
Signed-off-by: Plus Chen <pchen@marvell.com>
Signed-off-by: Marc Yang <yangyang@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:00:22 -04:00
Dan Carpenter
a017ff755e ath9k: fix some debugfs output
The right shift operation has higher precedence than the mask so we
left shift by "(i * 3)" and then immediately right shift by "(i * 3)"
then we mask.  It should be left shift, mask, and then right shift.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:00:22 -04:00
Cyril Brulebois
664d6a7927 wireless: rt2x00: add new rt2800usb device
0x1b75 0xa200 AirLive WN-200USB wireless 11b/g/n dongle

References: https://bugs.debian.org/766802
Reported-by: Martin Mokrejs <mmokrejs@fold.natur.cuni.cz>
Cc: stable@vger.kernel.org
Signed-off-by: Cyril Brulebois <kibi@debian.org>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-10-30 15:00:22 -04:00
Tomas Melin
37fa8716e2 [media] rc-main: fix lockdep splash for rc-main
lockdep reports a potential circular dependecy deadlock when registering input device.

Unlock mutex rc_dev->lock prior to calling ir_raw_event_register to avoid the circular
dependency since that function also calls input_register_device and rc_open.

 ======================================================
 [ INFO: possible circular locking dependency detected ]
 3.17.0-rc7+ #24 Not tainted
 -------------------------------------------------------
 modprobe/647 is trying to acquire lock:
  (input_mutex){+.+.+.}, at: [<ffffffff812ed81c>] input_register_device+0x2ba/0x381

 but task is already holding lock:
  (ir_raw_handler_lock){+.+.+.}, at: [<ffffffff813186ed>] ir_raw_event_register+0x102/0x190

 which lock already depends on the new lock.

[cut text]

 other info that might help us debug this:

 Chain exists of:
   input_mutex --> &dev->lock --> ir_raw_handler_lock

  Possible unsafe locking scenario:

        CPU0                    CPU1
        ----                    ----
   lock(ir_raw_handler_lock);
                                lock(&dev->lock);
                                lock(ir_raw_handler_lock);
   lock(input_mutex);

  *** DEADLOCK ***

 4 locks held by modprobe/647:
  #0:  (&dev->mutex){......}, at: [<ffffffff812d19f3>] device_lock+0xf/0x11
  #1:  (&dev->mutex){......}, at: [<ffffffff812d19f3>] device_lock+0xf/0x11
  #2:  (&dev->lock){+.+.+.}, at: [<ffffffff81317fff>] rc_register_device+0x55d/0x58a
  #3:  (ir_raw_handler_lock){+.+.+.}, at: [<ffffffff813186ed>] ir_raw_event_register+0x102/0x190

 stack backtrace:
 CPU: 0 PID: 647 Comm: modprobe Not tainted 3.17.0-rc7+ #24

 Call Trace:
  [<ffffffff81489d6a>] dump_stack+0x46/0x58
  [<ffffffff81487699>] print_circular_bug+0x1f8/0x209
  [<ffffffff81074353>] __lock_acquire+0xb54/0xeda
  [<ffffffff81080f17>] ? console_unlock+0x34d/0x399
  [<ffffffff81074c01>] lock_acquire+0xd9/0x111
  [<ffffffff812ed81c>] ? input_register_device+0x2ba/0x381
  [<ffffffff8148e650>] mutex_lock_interruptible_nested+0x57/0x381
  [<ffffffff812ed81c>] ? input_register_device+0x2ba/0x381
  [<ffffffff81124e03>] ? kfree+0x7c/0x96
  [<ffffffff812ed81c>] ? input_register_device+0x2ba/0x381
  [<ffffffff81072531>] ? trace_hardirqs_on+0xd/0xf
  [<ffffffff812ed81c>] input_register_device+0x2ba/0x381
  [<ffffffff8131a537>] ir_mce_kbd_register+0x109/0x139
  [<ffffffff81318728>] ir_raw_event_register+0x13d/0x190
  [<ffffffff81317e40>] rc_register_device+0x39e/0x58a
  [<ffffffff81072531>] ? trace_hardirqs_on+0xd/0xf
  [<ffffffffa00cf2e3>] nvt_probe+0x5ad/0xd52 [nuvoton_cir]
  [<ffffffffa00ced36>] ? nvt_resume+0x80/0x80 [nuvoton_cir]
  [<ffffffff81296003>] pnp_device_probe+0x8c/0xa9
  [<ffffffff812d1b94>] ? driver_sysfs_add+0x6e/0x93
  [<ffffffff812d203a>] driver_probe_device+0xa1/0x1e3
  [<ffffffff812d217c>] ? driver_probe_device+0x1e3/0x1e3
  [<ffffffff812d21ca>] __driver_attach+0x4e/0x6f
  [<ffffffff812d075b>] bus_for_each_dev+0x5a/0x8c
  [<ffffffff812d1b24>] driver_attach+0x19/0x1b
  [<ffffffff812d1879>] bus_add_driver+0xf1/0x1d6
  [<ffffffff812d2817>] driver_register+0x87/0xbe
  [<ffffffffa0120000>] ? 0xffffffffa0120000
  [<ffffffff81295da4>] pnp_register_driver+0x1c/0x1e
  [<ffffffffa0120010>] nvt_init+0x10/0x1000 [nuvoton_cir]
  [<ffffffff8100030e>] do_one_initcall+0xea/0x18c
  [<ffffffff8111497f>] ? __vunmap+0x9d/0xc7
  [<ffffffff810a3ca1>] load_module+0x1c21/0x1f2c
  [<ffffffff810a0bce>] ? show_initstate+0x44/0x44
  [<ffffffff810a404e>] SyS_init_module+0xa2/0xb1
  [<ffffffff81490ed2>] system_call_fastpath+0x16/0x1b

Signed-off-by: Tomas Melin <tomas.melin@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-10-30 16:57:43 -02:00
Frank Schaefer
2279948735 [media] af9005: fix kernel panic on init if compiled without IR
This patches fixes an ancient bug in the dvb_usb_af9005 driver, which
has been reported at least in the following threads:
https://lkml.org/lkml/2009/2/4/350
https://lkml.org/lkml/2014/9/18/558

If the driver is compiled in without any IR support (neither
DVB_USB_AF9005_REMOTE nor custom symbols), the symbol_request calls in
af9005_usb_module_init() return pointers != NULL although the IR
symbols are not available.

This leads to the following oops:
...
[    8.529751] usbcore: registered new interface driver dvb_usb_af9005
[    8.531584] BUG: unable to handle kernel paging request at 02e00000
[    8.533385] IP: [<7d9d67c6>] af9005_usb_module_init+0x6b/0x9d
[    8.535613] *pde = 00000000
[    8.536416] Oops: 0000 [#1] PREEMPT PREEMPT DEBUG_PAGEALLOCDEBUG_PAGEALLOC
[    8.537863] CPU: 0 PID: 1 Comm: swapper Not tainted 3.15.0-rc6-00151-ga5c075c #1
[    8.539827] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014
[    8.541519] task: 89c9a670 ti: 89c9c000 task.ti: 89c9c000
[    8.541519] EIP: 0060:[<7d9d67c6>] EFLAGS: 00010206 CPU: 0
[    8.541519] EIP is at af9005_usb_module_init+0x6b/0x9d
[    8.541519] EAX: 02e00000 EBX: 00000000 ECX: 00000006 EDX: 00000000
[    8.541519] ESI: 00000000 EDI: 7da33ec8 EBP: 89c9df30 ESP: 89c9df2c
[    8.541519]  DS: 007b ES: 007b FS: 0000 GS: 00e0 SS: 0068
[    8.541519] CR0: 8005003b CR2: 02e00000 CR3: 05a54000 CR4: 00000690
[    8.541519] Stack:
[    8.541519]  7d9d675b 89c9df90 7d992a49 7d7d5914 89c9df4c 7be3a800 7d08c58c 8a4c3968
[    8.541519]  89c9df80 7be3a966 00000192 00000006 00000006 7d7d3ff4 8a4c397a 00000200
[    8.541519]  7d6b1280 8a4c3979 00000006 000009a6 7da32db8 b13eec81 00000006 000009a6
[    8.541519] Call Trace:
[    8.541519]  [<7d9d675b>] ? ttusb2_driver_init+0x16/0x16
[    8.541519]  [<7d992a49>] do_one_initcall+0x77/0x106
[    8.541519]  [<7be3a800>] ? parameqn+0x2/0x35
[    8.541519]  [<7be3a966>] ? parse_args+0x113/0x25c
[    8.541519]  [<7d992bc2>] kernel_init_freeable+0xea/0x167
[    8.541519]  [<7cf01070>] kernel_init+0x8/0xb8
[    8.541519]  [<7cf27ec0>] ret_from_kernel_thread+0x20/0x30
[    8.541519]  [<7cf01068>] ? rest_init+0x10c/0x10c
[    8.541519] Code: 08 c2 c7 05 44 ed f9 7d 00 00 e0 02 c7 05 40 ed f9 7d 00 00 e0 02 c7 05 3c ed f9 7d 00 00 e0 02 75 1f b8 00 00 e0 02 85 c0 74 16 <a1> 00 00 e0 02 c7 05 54 84 8e 7d 00 00 e0 02 a3 58 84 8e 7d eb
[    8.541519] EIP: [<7d9d67c6>] af9005_usb_module_init+0x6b/0x9d SS:ESP 0068:89c9df2c
[    8.541519] CR2: 0000000002e00000
[    8.541519] ---[ end trace 768b6faf51370fc7 ]---

The prefered fix would be to convert the whole IR code to use the kernel IR
infrastructure (which wasn't available at the time this driver had been created).

Until anyone who still has this old hardware steps up an does the conversion,
fix it by not calling the symbol_request calls if the driver is compiled in
without the default IR symbols (CONFIG_DVB_USB_AF9005_REMOTE).
Due to the IR related pointers beeing NULL by default, IR support will then be disabled.

The downside of this solution is, that it will no longer be possible to
compile custom IR symbols (not using CONFIG_DVB_USB_AF9005_REMOTE) in.

Please note that this patch has NOT been tested with all possible cases.
I don't have the hardware and could only verify that it fixes the reported
bug.

Reported-by: Fengguag Wu <fengguang.wu@intel.com>
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Cc: <stable@vger.kernel.org>
Acked-by: Luca Olivetti <luca@ventoso.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-10-30 16:57:19 -02:00