- 17 Aug, 2013 1 commit
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Peter Meerwald authored
the TI TMP006 is a non-contact temperature sensor with I2C interface; it measures the surface temperature of a distance object using a thermopile to absorb IR energy emitted from the object the sensor has two channels: IR sensor voltage (16-bit) and reference temperature of the chip (14-bit); datasheet is here: http://www.ti.com/lit/ds/symlink/tmp006.pdf v2 (thanks to Grygorii Strashko, Lars-Peter Clausen, Jonathan Cameron for review comments): * power down device on driver remove * use sign_extend32() * style cleanup * add comments what channel raw LSBs mean * spelling of thermopile Signed-off-by:
Peter Meerwald <pmeerw@pmeerw.net> Cc: Grygorii Strashko <grygorii.strashko@ti.com> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: Jonathan Cameron <jic23@kernel.org> Cc: LM Sensors <lm-sensors@lm-sensors.org> Signed-off-by:
Jonathan Cameron <jic23@kernel.org>
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- 16 Aug, 2013 11 commits
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Yann Droneaud authored
Macro get_unused_fd() is used to allocate a file descriptor with default flags. Those default flags (0) can be "unsafe": O_CLOEXEC must be used by default to not leak file descriptor across exec(). Instead of macro get_unused_fd(), functions anon_inode_getfd() or get_unused_fd_flags() should be used with flags given by userspace. If not possible, flags should be set to O_CLOEXEC to provide userspace with a default safe behavor. In a further patch, get_unused_fd() will be removed so that new code start using anon_inode_getfd() or get_unused_fd_flags() with correct flags. This patch replaces calls to get_unused_fd() with call to get_unused_fd_flags(O_CLOEXEC) following advice from Erik Gilling. Signed-off-by:
Yann Droneaud <ydroneaud@opteya.com> Cc: Erik Gilling <konkers@android.com> Cc: Colin Cross <ccross@google.com> Link: http://lkml.kernel.org/r/CACSP8SjXGMk2_kX_+RgzqqQwqKernvF1Wt3K5tw991W5dfAnCA@mail.gmail.com Link: http://lkml.kernel.org/r/cover.1376327678.git.ydroneaud@opteya.comSigned-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Yann Droneaud authored
Macro get_unused_fd() is used to allocate a file descriptor with default flags. Those default flags (0) can be "unsafe": O_CLOEXEC must be used by default to not leak file descriptor across exec(). Instead of macro get_unused_fd(), functions anon_inode_getfd() or get_unused_fd_flags() should be used with flags given by userspace. If not possible, flags should be set to O_CLOEXEC to provide userspace with a default safe behavor. In a further patch, get_unused_fd() will be removed so that new code start using anon_inode_getfd() or get_unused_fd_flags() with correct flags. This patch replaces calls to get_unused_fd() with call to get_unused_fd_flags(O_CLOEXEC) following advice from Erik Gilling. Signed-off-by:
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Malcolm Priestley authored
The new structures being typedef struct tagSCTS -> struct vnt_cts typedef struct tagSCTS_FB -> struct vnt_cts_fb These are only needed by rxtc.c so moved to rxtx.h and will eventually form part of the structure of struct vnt_tx_buffer. The linux/ieee80211.h in desc.h is no longer needed. Signed-off-by:
Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by:
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Malcolm Priestley authored
The new structures being typedef struct tagSRTS_g -> struct vnt_rts_g typedef struct tagSRTS_g_FB -> struct vnt_rts_g_fb typedef struct tagSRTS_ab -> struct vnt_rts_ab typedef struct tagSRTS_a_FB -> struct vnt_rts_a_fb These are only needed by rxtc.c so moved to rxtx.h and will eventually form part of the structure of struct vnt_tx_buffer. Signed-off-by:
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Jens Frederich authored
Using an int which is casted to unsigned char as inbuf is messy. The code won't work on big endian systems. The patch should fix this. Signed-off-by:
Jens Frederich <jfrederich@gmail.com> Signed-off-by:
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Jens Frederich authored
This patch replace some magic numbers. I believe it makes the driver more readable. The magic number 0x26 is the XO system embedded controller (EC) command 'DCON power enable/disable'. Number 0x41, and 0x42 are special memory controller settings register. The 0x41 initialize bit sequence 0x101 means: enable memory power down function and special SDRAM clock delay for synchronize SDRAM output and clock signal. The 0x42 initialize squence 0x101 is wrong. According to the specification Bit 8 is reserved, thus not in use. I removed it. Signed-off-by:
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Malcolm Priestley authored
Replace with struct vnt_beacon_buffer. Signed-off-by:
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Malcolm Priestley authored
Move vnt_tx_buffer *pTxBufHead to argument u8 *usbPacketBuf position. Fix the calling to s_bPacketToWirelessUsb so it attached to the calling struct vnt_tx_buffer pTX_Buffer. Signed-off-by:
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Malcolm Priestley authored
Rename to vnt_tx_buffer. Signed-off-by:
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Rupesh Gujare authored
We should not use extra variable just to copy pointer value, renaming parameter name serves pupose & removes extra variable. Signed-off-by:
Rupesh Gujare <rupesh.gujare@atmel.com> Signed-off-by:
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Rupesh Gujare authored
We are assigning value to hport before returning, there is no need to initialize it. Signed-off-by:
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- 15 Aug, 2013 1 commit
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Lidza Louina authored
This patch removes the dgnc_proc.c and dgnc_proc.h files and all references to proc functions in dgnc_driver.c. This also removes proc.h from the include headers in driver.c, mgmt.c and sysfs.c and proc.o from the Makefile. Drivers now use sysfs instead of proc. Signed-off-by:
Lidza Louina <lidza.louina@gmail.com> Signed-off-by:
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- 14 Aug, 2013 22 commits
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Andrew Morton authored
alpha allmodconfig: drivers/staging/comedi/drivers/das16.c: In function 'das16_detach': drivers/staging/comedi/drivers/das16.c:1234: error: implicit declaration of function 'kfree' Cc: Ian Abbott <abbotti@mev.co.uk> Reviewed-by:
H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
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Malcolm Priestley authored
The return value of uGetRTSCTSDuration always needs to be corrected to a u16 little endian corrected value. Some places the endian correction is done on the next line Change uGetRTSCTSDuration return u16 little endian corrected value. Signed-off-by:
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Malcolm Priestley authored
A value is only returned when bNeedAck is true. Only when byDurType == DATADUR_B is different. Remove switch statement and simplify with if structure. Signed-off-by:
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Malcolm Priestley authored
This is part of the Remote NDIS message format with patch vt6656: rxtx.c: s_vGetFreeContext use single tx memset. there is not need for this structure and its members. Signed-off-by:
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Malcolm Priestley authored
All structure members of BEACON_BUFFER/TX_BUFFER should be packed. Only the first 4 members of these structures are live. The forth member is referenced at run-time by packed structures. typedef struct tagSTxBufHead typedef struct tagSTxShortBufHead in desc.h If these structures are not packed the alignment of these members will be wrong. Signed-off-by:
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Dan Carpenter authored
This patch separates success & failure block along with fixing following issues:- 1. The way oz_hcd_pd_arrived() looks now it's easy to think we free "ep" but actually we do this spaghetti thing of setting it to NULL on success. 2. It is hard to read it because there are unlocks scattered throughout. 3. Currently we set "ep" to NULL on the success path and then test it and or free it. In current code you have to scroll to the start of the function to read code. Original patch was submitted by Dan here :- http://driverdev.linuxdriverproject.org/pipermail/driverdev-devel/2013-August/040113.htmlSigned-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
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Rupesh Gujare authored
Swap arguments of oz_ep_alloc() to match kmalloc() for better readability. Signed-off-by:
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Rupesh Gujare authored
Remove variable initialization wherever it is not required. Signed-off-by:
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Rupesh Gujare authored
oz_hcd_pd_departed() takes struct oz_port pointer instead of void *, change function declaration to avoid ambiguity. Reported-by:
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Rupesh Gujare authored
oz_hcd_pd_arrived returns struct oz_port *, change function declaration to avoid ambiguity. Reported-by:
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Rupesh Gujare authored
We are already checking "ep" earlier in function. Do not need to check again. Reported-by:
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Rupesh Gujare authored
Put spaces around math operations. Reported-by:
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Rupesh Gujare authored
Making code simpler for readability. Reported-by:
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Rupesh Gujare authored
This patch adds a blank line between global declarations & functions for readability. Signed-off-by:
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Rupesh Gujare authored
This patch adds blank line between declaration & code for readability. Signed-off-by:
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Lidza Louina authored
This patch removes the use of read_cnt, real_raw, buf and rawreadok. The variable buf is never used in the code. The variables rawreadok read_cnt and real_raw don't exist in the new API. Reading the data raw is no longer supported by the tty layer. Signed-off-by:
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Lidza Louina authored
The declaration for the ioctl function has changed. The previous version of this declaration took struct file *file as a parameter and the new one does not. This patch removes that parameter. Signed-off-by:
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Lidza Louina authored
The commands TIOCGETP, TCGETS, and TCGETA are not supposed to be seen by the ioctl. This patch removes the switch cases for these commands. Signed-off-by:
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Lidza Louina authored
The value tty->termios needed to be dereferenced to be assigned to the variable ts. Signed-off-by:
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Lidza Louina authored
The functions tty_flip_buffer_push, tty_insert_flip_string, tty_insert_flip_char and tty_buffer_request_room now require a struct of type tty_port instead of struct tty_struct. This patch makes those changes. Signed-off-by:
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Lidza Louina authored
This patch fixes this error: invalid type argument of ‘->’ (have ‘struct ktermios’). There were changes in the tty layer's API. Access to the termios flags changed from tty->termios->*flag* to tty->termios.*flag*. Signed-off-by:
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Lidza Louina authored
The Makefile contains the variables needed for the driver to build. The Makefile.inc isn't needed. Signed-off-by:
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- 12 Aug, 2013 5 commits
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Malcolm Priestley authored
As result of patches staging: vt6656: rxtx.c: s_uGetDataDuration remove First Frag or Mid Frag dead code staging: vt6656: rxtx.c: s_uGetDataDuration remove dead variables. variables uFragIdx, cbLastFragmentSize, uMACfragNum are dead. Signed-off-by:
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Malcolm Priestley authored
As result of patch staging: vt6656: rxtx.c s_uGetDataDuration remove First Frag or Mid Frag dead code. cbFrameLength, wRate, uFragIdx, cbLastFragmentSize, uMACfragNum, byFBOption are dead variables. Signed-off-by:
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Malcolm Priestley authored
The driver always calls s_uGetDataDuration with; uFragIdx = 0, cbLastFragmentSize = 0 and uMACfragNum = 1 uFragIdx == (uMACfragNum-1) is always true and bLastFrag = 1. Remove dead First Frag or Mid Frag if/else and variables. Signed-off-by:
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Minchan Kim authored
[1] introduced down_write in zram_slot_free_notify to prevent race between zram_slot_free_notify and zram_bvec_[read|write]. The race could happen if somebody who has right permission to open swap device is reading swap device while it is used by swap in parallel. However, zram_slot_free_notify is called with holding spin_lock of swap layer so we shouldn't avoid holing mutex. Otherwise, lockdep warns it. This patch adds new list to handle free slot and workqueue so zram_slot_free_notify just registers slot index to be freed and registers the request to workqueue. If workqueue is expired, it holds mutex_lock so there is no problem any more. If any I/O is issued, zram handles pending slot-free request caused by zram_slot_free_notify right before handling issued request because workqueue wouldn't be expired yet so zram I/O request handling function can miss it. Lastly, when zram is reset, flush_work could handle all of pending free request so we shouldn't have memory leak. NOTE: If zram_slot_free_notify's kmalloc with GFP_ATOMIC would be failed, the slot will be freed when next write I/O write the slot. [1] [57ab0485, zram: use zram->lock to protect zram_free_page() in swap free notify path] * from v2 * refactoring * from v1 * totally redesign Cc: Nitin Gupta <ngupta@vflare.org> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: stable@vger.kernel.org Signed-off-by:
Minchan Kim <minchan@kernel.org> Signed-off-by:
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Minchan Kim authored
[1] tried to fix invalid memory access on zram->disk but it didn't fix properly because get_disk failed during module exit path. Actually, we don't need to reset zram->disk's capacity to zero in module exit path so that this patch introduces new argument "reset_capacity" on zram_reset_divice and it only reset it when reset_store is called. [1] 6030ea9b, zram: avoid invalid memory access in zram_exit() Cc: Nitin Gupta <ngupta@vflare.org> Cc: Jiang Liu <jiang.liu@huawei.com> Cc: stable@vger.kernel.org Signed-off-by:
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