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2012-07-09staging/slicoss: return -ENODEV if no devid matchesDevendra Naga
if no case matches we are simply asserting and doing break. and i think we may need to return that -ENODEV , no device is present, rather assert'ing. Signed-off-by: Devendra Naga <devendra.aaru@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging/slicoss: remove not-needed ASSERTDevendra Naga
As the private pointer is valid at the remove of driver, and remove wont' be called if probe fails, so no point for checking of ASSERT Signed-off-by: Devendra Naga <devendra.aaru@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging "speakup" Fix typos.Justin P. Mattock
Signed-off-by: Justin P. Mattock <justinmattock@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: vt6655: hostap.c: Remove all unused macrosMarcos Paulo de Souza
All these macros were reported by forgotten-macros tool (https://github.com/marcosps/forgotten_macros). Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: vt6655: Remove all commented macrosMarcos Paulo de Souza
These macros were reported by forgotten-macros tool (https://github.com/marcosps/forgotten_macros). Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: vt6655: baseband.h: Remove all unused macrosMarcos Paulo de Souza
These macros were reported by forgotten-macros tool (https://github.com/marcosps/forgotten_macros). Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: vt6655: rf.c: Remove all unused macrosMarcos Paulo de Souza
These macros were reported by forgotte-macros tool (https://github.com/marcosps/forgotten_macros). Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: vt6655: mac.h: Remove all commented macrosMarcos Paulo de Souza
These macros were reported by forgotten-macros tool (https://github.com/marcosps/forgotten_macros). Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: vt6655: Remove all "if 0" blocks from driverMarcos Paulo de Souza
This commit removes code that will never be executed by vt6655 driver. Was the forgotten-macros tool(https://github.com/marcosps/forgotten_macros) who reported these blocks for us. Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: vt6656: Remove unsed macrosMarcos Paulo de Souza
These macros were reported by forgotten-macros tool (https://github.com/marcosps/forgotten_macros). Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: vt6656: Remove all commented macrosMarcos Paulo de Souza
These macros were reported by forgotten-macros tool (https://github.com/marcosps/forgotten_macros). Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: vt6656: hostap.c: Remove commented codeMarcos Paulo de Souza
Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: vt6656: hostap.c: Remove unused macros and some useless commentsMarcos Paulo de Souza
The unused macros were reporteds by forgotten-macros tool(https://github.com/marcosps/forgotten_macros). Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: vt6656: desc.h: Remove commented macros and useless commentsMarcos Paulo de Souza
The commented macros are reported by forgotten-macros tool(https://github.com/marcosps/forgotten_macros). Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: Fixes some checkpatch warnings in asus_oled/asus_oled.cCruz Julian Bishop
This fixes the following warnings: 1: Changes a printk(KERN_ERR) call to a pr_err call in line 785 2: Changes a printk(KERN_ERR) call to a pr_err call in line 791 3: Changes a printk(KERN_ERR) call to a pr_err call in line 798 4: Reduces line length below 80 at line 785 (Not intended) 5: Reduces line length below 80 at line 798 (Not intended) Signed-off-by: Cruz Julian Bishop <cruz@massive-dynamics.biz> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging/ft1000: remove unnecessary assignment of ret with STATUS_SUCCESSDevendra Naga
as ret is assigned to the return of ft1000_poll, we dont need to initialise ret with STATUS_SUCCESS. Signed-off-by: Devendra Naga <devendra.aaru@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging/ft1000-pcmcia: fix checkpatch warningsDevendra Naga
The below checkpatch warns fixed, drivers/staging/ft1000/ft1000-pcmcia/ft1000_proc.c:38: ERROR: that open brace { should be on the previous line drivers/staging/ft1000/ft1000-pcmcia/ft1000_proc.c:45: ERROR: that open brace { should be on the previous line drivers/staging/ft1000/ft1000-pcmcia/ft1000_proc.c:57: ERROR: that open brace { should be on the previous line Signed-off-by: Devendra Naga <devendra.aaru@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging/ft1000: fix the foo * bar warningDevendra Naga
Signed-off-by: Devendra Naga <devendra.aaru@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging/ft1000: fix the no brace needed warning in ft1000_read_fifo_lenDevendra Naga
as the if else statements enclose only one line, so braces around them are not needed. The following warning is fixed drivers/staging/ft1000/ft1000-pcmcia/ft1000_hw.c:100: WARNING: braces {} are not necessary for any arm of this statement Signed-off-by: Devendra Naga <devendra.aaru@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging/ft1000: fix sparse warning about the kernel thread handler functionDevendra Naga
sparse throws warning about the ft1000_poll_thread as drivers/staging/ft1000/ft1000-usb/ft1000_usb.c:40:5: warning: symbol 'ft1000_poll_thread' was not declared. Should it be static? Signed-off-by: Devendra Naga <devendra.aaru@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging/ft1000: fix sparse warningDevendra Naga
sparse warns about having 0 assigned to a pointer, fix it up by using NULL. The following sparse warning is fixed drivers/staging/ft1000/ft1000-usb/ft1000_debug.c:170:52: warning: Using plain integer as NULL pointer Signed-off-by: Devendra Naga <devendra.aaru@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging/ft1000: fix the no brace needed warning in ft1000_interruptDevendra Naga
as the if statement encloses only one line braces around it are not needed. The following warn fixed, WARNING: braces {} are not necessary for single statement blocks Signed-off-by: Devendra Naga <devendra.aaru@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging/rts_pstor: fix single statements block warningDevendra Naga
The following warning is fixed up. drivers/staging/rts_pstor/sd.c:190: WARNING: braces {} are not necessary for single statement blocks Signed-off-by: Devendra Naga <devendra.aaru@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging/rts_pstor: fix the no brace needed warningDevendra Naga
for if else statements having single block no braces are needed fixed the following checkpatch warning drivers/staging/rts_pstor/sd.c:140: WARNING: braces {} are not necessary for any arm of this statement Signed-off-by: Devendra Naga <devendra.aaru@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: vt6656: iwctl: remove a few remaining redundant newlinesJesper Juhl
I missed a few redundant newlines the first time. Signed-off-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: vt6656: iwctl: Fix up a few remaining brace issuesJesper Juhl
My previous cleanup patches missed a few cases of redundant/missing/replaced curly braces. This should fix up the last ones. Signed-off-by: Jesper Juhl <jj@chaosbits.net> Acked-by : Marcos Paulo de Souza <marcos.souza.org@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: vt6656: iwctl: fix up spacing around operatorsJesper Juhl
A few cases were missed in my previous cleanup, this takes care of the last cases of missing space (or too much space (as in a newline)) around operators ('=', '==', ',', '<'). Signed-off-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: zsmalloc: add mapping modesSeth Jennings
This patch improves mapping performance in zsmalloc by getting usage information from the user in the form of a "mapping mode" and using it to avoid unnecessary copying for objects that span pages. Signed-off-by: Seth Jennings <sjenning@linux.vnet.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: zsmalloc: add details to zs_map_object boiler plateSeth Jennings
Add information on the usage limits of zs_map_object() Signed-off-by: Seth Jennings <sjenning@linux.vnet.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: zsmalloc: add single-page object fastpath in unmapSeth Jennings
Improve zs_unmap_object() performance by adding a fast path for objects that don't span pages. Signed-off-by: Seth Jennings <sjenning@linux.vnet.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: zsmalloc: remove x86 dependencySeth Jennings
This patch replaces the page table assisted object mapping method, which has x86 dependencies, with a arch-independent method that does a simple copy into a temporary per-cpu buffer. While a copy seems like it would be worse than mapping the pages, tests demonstrate the copying is always faster and, in the case of running inside a KVM guest, roughly 4x faster. Signed-off-by: Seth Jennings <sjenning@linux.vnet.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: zcache: cleanup the code between tmem_obj_init and tmem_obj_findXiao Guangrong
tmem_obj_find and insertion tmem-obj have the some logic, we can integrate the code Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: zcache: introduce get_zcache_clientXiao Guangrong
Introduce get_zcache_client to remove the common code Acked-by: Seth Jennings <sjenning@linux.vnet.ibm.com> Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: zcache: cleanup zcache_do_preload and zcache_put_pageXiao Guangrong
Cleanup the code for zcache_do_preload and zcache_put_page Acked-by: Seth Jennings <sjenning@linux.vnet.ibm.com> Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: zcache: optimize zcache_do_preloadXiao Guangrong
zcache_do_preload is called in zcache_put_page where IRQ is disabled, so, need not care preempt Acked-by: Seth Jennings <sjenning@linux.vnet.ibm.com> Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: zcache: cleanup zbud_initXiao Guangrong
Need not set global parameters to 0 Acked-by: Seth Jennings <sjenning@linux.vnet.ibm.com> Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: zcache: mark zbud_init/zcache_comp_init as __initXiao Guangrong
These functions are called only when system is initializing, so mark __init for them to free memory Acked-by: Seth Jennings <sjenning@linux.vnet.ibm.com> Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: zcache: remove unnecessary config option dependenceXiao Guangrong
zcache is enabled only if one of CONFIG_CLEANCACHE and CONFIG_FRONTSWAP is enabled, see the Kconfig: depends on (CLEANCACHE || FRONTSWAP) && CRYPTO=y && X86 So, we can remove the check in the source code Acked-by: Seth Jennings <sjenning@linux.vnet.ibm.com> Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: zcache: fix a compile warningXiao Guangrong
Fix: drivers/staging/zcache/zcache-main.c: In function ‘zcache_comp_op’: drivers/staging/zcache/zcache-main.c:112:2: warning: ‘ret’ may be used uninitial Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: zcache: fix refcount leakXiao Guangrong
In zcache_get_pool_by_id, the refcount of zcache_host is not increased, but it is always decreased in zcache_put_pool Acked-by: Seth Jennings <sjenning@linux.vnet.ibm.com> Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging: CSR: fix function declaration warningsEmil Goode
Sparse is warning about non-ANSI function declaration. Add void to the parameterless function. drivers/staging/csr/csr_wifi_hip_chiphelper.c:633:31: warning: non-ANSI function declaration of function 'ChipHelper_Null' I also fixed this checkpatch error: ERROR: "foo* bar" should be "foo *bar" Signed-off-by: Emil Goode <emilgoode@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-07-09staging:iio:ade7758: Use iio_validate_scan_mask_onehotLars-Peter Clausen
Only one of the channels of the ade7758 may be sampled at a time. Use the new validate_scan_mask callback and the iio_validate_scan_mask_onehot function to implement this restriction. Previously this was implemented using available_scan_masks, but this requires a individual scan mask for each channel. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2012-07-09staging:iio:ad7793: Use iio_validate_scan_mask_onehotLars-Peter Clausen
Only one of the channels of the ad7793 may be sampled at a time. Use the new validate_scan_mask callback and the iio_validate_scan_mask_onehot function to implement this restriction. Previously this was implemented using available_scan_masks, but this requires a individual scan mask for each channel. Also the previous code was adding the scan index of the timestamp channel to each available scan mask, this is not required though since the timestamp channel is not restricted by the available scan masks and can be enabled or disabled independently. So the new code does not have to take care of this. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2012-07-09staging:iio:ad7192: Use iio_validate_scan_mask_onehotLars-Peter Clausen
Only one of the channels of the ad7192 may be sampled at a time. Use the new validate_scan_mask callback and the iio_validate_scan_mask_onehot function to implement this restriction. Previously this was implemented using available_scan_masks, but this requires a individual scan mask for each channel. Also the previous code was adding the scan index of the timestamp channel to each available scan mask, this is not required though since the timestamp channel is not restricted by the available scan masks and can be enabled or disabled independently. So the new code does not have to take care of this. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2012-07-09iio: Introduce iio_validate_scan_mask_onehotLars-Peter Clausen
Add a helper function for validating a scan mask for devices where exactly one channel must be selected during sampling. This is a common case among devices which have scan mask restrictions so it makes sense to provide this function in the core. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2012-07-09iio: Add callback to check whether a scan mask is validLars-Peter Clausen
This is useful for cases where the number of valid scan masks grows exponentially, but it is rather easy to check whether a mask is valid or not programmatically. An example of such a case is a device with multiple ADCs where each ADC has a upstream MUX, which allows to select from a number of physical channels. +-------+ +-------+ | | | | --- Channel 1 | ADC 1 |---| MUX 1 | --- ... | | | | --- Channel M +-------+ +-------+ . . . . . . . . . +-------+ +-------+ | | | | --- Channel M * N + 1 | ADC N |---| MUX N | --- ... | | | | --- Channel M * N + M +-------+ +-------+ The number of necessary scan masks for this case is (M+1)**N - 1, on the other hand it is easy to check whether subsets for each ADC of the scanmask have only one bit set. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2012-07-08iio: Fix inkern remove incorrect put of deviceJonathan Cameron
The device_get is after this point so on error we should not be removing it. Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2012-07-08staging:iio:adis16400: Do not return error code in the interrupt handlerLars-Peter Clausen
The interrupt handler should only ever return one of the three irqreturn_t constants and not an error code. Also make sure to always call iio_trigger_notify_done before leaving the trigger handler. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2012-07-08staging:iio:adis16260: Do not return error code in the interrupt handlerLars-Peter Clausen
The interrupt handler should only ever return one of the three irqreturn_t constants and not an error code. Also make sure to always call iio_trigger_notify_done before leaving the trigger handler. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2012-07-08staging:iio:accel:adis16xxx: Do not return error code in the interrupt handlerLars-Peter Clausen
The interrupt handler should only ever return one of the three irqreturn_t constants and not an error code. Also make sure to always call iio_trigger_notify_done before leaving the trigger handler. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>