- 21 Sep, 2010 33 commits
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Jonathan Cameron authored
Also remove no unused precision attr. Signed-off-by:
Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by:
Manuel Stahl <manuel.stahl@iis.fraunhofer.de> Signed-off-by:
Greg Kroah-Hartman <gregkh@suse.de>
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Jonathan Cameron authored
This has been replaced by a separate _index attribute Signed-off-by:
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Jonathan Cameron authored
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Jonathan Cameron authored
Also fixes a missing NULL to terminate one of the attribute arrays. Signed-off-by:
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Jonathan Cameron authored
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Jonathan Cameron authored
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Jonathan Cameron authored
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Jonathan Cameron authored
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Jonathan Cameron authored
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Jonathan Cameron authored
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Jonathan Cameron authored
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Jonathan Cameron authored
As Manuel Stahl observed, putting data into the naming of an attribute (beyond what it is for) breaks the one value per attribute rule (in spirit at least). Hence we introduce a separate _index attribute for each scan element to tell userspace the ordering in output from the buffer. This will generate a lot of sparse warnings as all drivers will have unused iio_const_attrs created. The rest of the set will clean these up. The final patch will remove the old indexing method. It is not here so as to maintain one or other interface for all devices as this set progresses. Signed-off-by:
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Jonathan Cameron authored
The job this was intended to do (never implemented) is now done by explicit definition of _type attributes in all drivers Signed-off-by:
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Jonathan Cameron authored
The bit depth of 14 for the supply adc on the datasheet is highly suspicious. Confirmation requested from Analog. Signed-off-by:
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Jonathan Cameron authored
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Jonathan Cameron authored
Note some of the in driver type specifications do not match the data sheet. I am assuming the datasheet is correct. This bug would not have been apparent in the driver as these values were unusued. Signed-off-by:
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Jonathan Cameron authored
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Jonathan Cameron authored
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Jonathan Cameron authored
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Jonathan Cameron authored
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Jonathan Cameron authored
As both signed and unsigned in attributes exist, each element must be fully specified. Signed-off-by:
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Jonathan Cameron authored
Also, adds a macro to make defining such attributes simple. Signed-off-by:
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Henry Ptasinski authored
This patch to the existing bcm80211 directory in the staging tree adds fullmac driver support for the BCM4329 SDIO chip from Broadcom. Configuration of the mac80211 driver or the fullmac driver can be done through menuconfig. Signed-off-by:
Henry Ptasinski <henryp@broadcom.com> Signed-off-by:
Nohee Ko <noheek@broadcom.com> Signed-off-by:
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Markus Grabner authored
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Markus Grabner <grabner@icg.tugraz.at> Signed-off-by:
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Vasiliy Kulikov authored
g_pBlockTable has only DeviceInfo.wDataBlockNum elements. Signed-off-by:
Vasiliy Kulikov <segooon@gmail.com> Signed-off-by:
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Vasiliy Kulikov authored
kmalloc() may fail, if so return error code. Signed-off-by:
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Pavan Savoy authored
move all the header information to ti_wilink_st.h. This header would then not only serve the local modules like the st_core.c, st_kim.c and st_ll.c but also the external modules/protocol drivers that are dependent on the shared transport driver. Modify the source files to include the new header ti_wilink_st.h, Signed-off-by:
Pavan Savoy <pavan_savoy@ti.com> Signed-off-by:
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Pavan Savoy authored
replace uint and family by a much more proper u8/u16 types. This is required specifically for data members of structures coming in from the chip and data members parsed from the binary firmware file. Signed-off-by:
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Vipin Mehta authored
The commit fixes a race condition in the initialization portion of the driver. The problem was observed while testing with the kernel in the staging-next tree. The wait on the ready event is signalled prematurely before setting the arVersion.wlan_ver and arVersion.abi_ver. The code waiting on this semaphore checks for the validity of these values and hence may proceed with an un-updated values of these fields. The wakeup signal is now sent after these values are set. Signed-off-by:
Vipin Mehta <vmehta@atheros.com> Signed-off-by:
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Vipin Mehta authored
The commit fixes a compilation error that was encountered while using a specific kernel configuration file. The problem was the use of some functions defined in <linux/semaphore.h> without including the header file explicitly. It was probably working before because of the dependency getting implicitly satisfied via some other header file. Reported-by:
Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by:
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Vipin Mehta authored
Eliminating the inclusion of the same header file more than once. The files being removed are already included by osapi_linux.h. Reported-by:
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Maurice Dawson authored
This is a patch to the adl_pci9111.c file that fixes all, printk() should include KERN-facility level, warnings found by the checkpatch.pl tool Signed-off-by:
Maurice Dawson <mauricedawson2699@gmail.com> Signed-off-by:
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Charles Clément authored
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Charles Clément <caratorn@gmail.com> Signed-off-by:
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- 20 Sep, 2010 7 commits
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Marek Lindner authored
set_primary_if is currently misused to update the mac address in vis packets. This unneeded and introduces overhead due to other operations which must be done when updating the primary interface. Signed-off-by:
Marek Lindner <lindner_marek@yahoo.de> Signed-off-by:
Sven Eckelmann <sven.eckelmann@gmx.de> Signed-off-by:
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Sven Eckelmann authored
set_primary_if exchanges the current primary interfaces with a new one. This is a new reference and thus we have to count it and decrease the count of the old primary interface. Signed-off-by:
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Sven Eckelmann authored
The return of get_batman_if_by_netdev and get_active_batman_if leaks a pointer from the rcu protected list of interfaces. We must protect it to prevent a too early release of the memory. Those functions must increase the reference counter before rcu_read_unlock or it may be to late to prevent a free. hardif_add_interface must also increase the reference count for the returned batman_if to make the behaviour consistent. Reported-by:
Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by:
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Sven Eckelmann authored
get_batman_if_by_netdev and get_active_batman_if may leak data from the rcu protected list of interfaces. The rcu protected list of all gateway nodes leaks the actual data outside the read-side critical area. This is not valid as we may free the data using a call_rcu created callback after we unlock using rcu_read_unlock. A workaround is to provide a reference count to be sure that the memory isn't freed to early. It is currently only to implement the already existing functionality and doesn't provide the full tracking of all usage cases. Additionally, we must hardif_hold inside the rcu_read_lock()..rcu_read_unlock() before we attach to the structure which "leaks" it. When another function now removed it from its usage context (primary_if, usage on stack, ...) then we must hardif_put it. If it is decremented to zero then we can issue the call_rcu to the freeing function. So "put" is not allowed inside an rcu_read_lock. Signed-off-by:
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Sven Eckelmann authored
It is recommended [1] to use synchronize_rcu to simplify the code - especially when otherwise extra locking is needed to protect other code from picking stale elements. It also protects us for emitting to many callbacks which may results in OOM conditions. The only reason not to use it, would be in performance critical sections or when we are not allowed to block. [1] Documentation/RCU/checklist.txt Signed-off-by:
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Sven Eckelmann authored
Regions which do not use rcu functions don't need to protected by rcu_read_lock. If we want to protect data from being freed than it must be covered by the same read-side critical section or otherwise the grace period may already ended and freed the memory before we called rcu_read_lock again. Signed-off-by:
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Sven Eckelmann authored
receive_bat_packet is not called with rcu_read_lock so we must ensure by ourself that we protect list_for_each_entry_rcu using the correct RCU locks. Signed-off-by:
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