- 13 Oct, 2015 40 commits
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H Hartley Sweeten authored
Interrupts are only needed by this driver to support the analog input async commands. Don't hook up the command support if pcmcia_request_irq() fails instead of completely failing the (*auto_attach). Signed-off-by:
H Hartley Sweeten <hsweeten@visionengravers.com> Reviewed-by:
Ian Abbott <abbotti@mev.co.uk> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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H Hartley Sweeten authored
The comedi (*insn_read) functions are supposed to do simple one-shot reading of an analog input channel. Currently this driver enables interrupts and uses wait_for_completion_interruptible() to allow the interrupt routine to let the analog input (*insn_read) know that the end-of-conversion has occured. Simplify the function by using the comedi_timeout() helper to check the aux status register to see when the conversion is finished. Signed-off-by:
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H Hartley Sweeten authored
For aesthetics, and use the BIT macro to define the bits and define some macros for the timer mode and d/a update bits. Signed-off-by:
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H Hartley Sweeten authored
All the registers are 8-bit except for the analog output and timer registers. For clarity, add some comments. Signed-off-by:
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H Hartley Sweeten authored
For aesthetics, move the bit defines for this register and use the BIT macro to define the bits. Define a macro for the scanrate bits and use it to remove the CamelCase. Rename the defines to match the register. Signed-off-by:
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H Hartley Sweeten authored
For aesthetics, move the bit defines for this register and use the BIT macro to define the bits. Signed-off-by:
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H Hartley Sweeten authored
For aesthetics, move the bit defines for this register and use the BIT macro to define the bits. Rename the defines to match the register. Signed-off-by:
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H Hartley Sweeten authored
For aesthetics, move the bit defines for this register and use the BIT macro to define the bits. Signed-off-by:
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H Hartley Sweeten authored
For aesthetics, rename the register map defines and convert the values to hex. Also, move the private data definition and DAQP_FIFO_SIZE define after the register definitions. Signed-off-by:
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H Hartley Sweeten authored
Reformat the multi-line comments in the kernel CodingStyle. Signed-off-by:
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H Hartley Sweeten authored
Introduce a helper function for the common code used to clear any pending interrupts. Signed-off-by:
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H Hartley Sweeten authored
For aesthetics, define a macro for the pacer clock options and rename the CamelCase. Remove the unnecessary local variables used to set the control register. Signed-off-by:
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H Hartley Sweeten authored
Fix the checkpatch.pl issues about: CHECK: spaces preferred around that '<<' (ctx:VxV) Signed-off-by:
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H Hartley Sweeten authored
The data link between the D/A data port and the D/A converter is a serial link. The serial link requires about 8ms to complete a transfer. Use the comedi_timeout() helper to ensure that there is not a previous transfer still happening before trying to write new data to the channel. For aesthetics, save the readback value after updating the hardware. Signed-off-by:
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H Hartley Sweeten authored
Use the comedi_offset_munge() helper to do the offset binary to two's complement conversion when writing a new analog output value. Signed-off-by:
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H Hartley Sweeten authored
Introduce a helper function to get a two's complement sample from the FIFO and munge it to the offset binary format that comedi uses. Signed-off-by:
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H Hartley Sweeten authored
This board has 4 digital inputs not 1. Fix the subdevice init. The digital input lines are shared with other functions. Add a comment about this. Signed-off-by:
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H Hartley Sweeten authored
This board has 4 digital outputs not 1. Fix the subdevice init. The digital output lines are used for the external channel selection when the expansion mode is enabled. Add a comment about this. Signed-off-by:
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H Hartley Sweeten authored
Change the MODULE_DESCRIPTION to something more usefull than the generic "Comedi low-level driver". Signed-off-by:
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H Hartley Sweeten authored
For aesthetics, rename the register map defines so they have namespace associated with the driver and use the BIT macro to define the bits. Add the missing defines for the registers and use them to remove the magic values from the driver. Add a comment about the extra registers to explain why this driver doesn't just use the standard 8255 driver instead. Signed-off-by:
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H Hartley Sweeten authored
Reformat the multi-line comments in the kernel CodingStyle. Signed-off-by:
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Paul Gortmaker authored
The Kconfig currently controlling compilation of this code is: drivers/staging/emxx_udc/Kconfig:config USB_EMXX drivers/staging/emxx_udc/Kconfig: bool "EMXX USB Function Device Controller" ...meaning that it currently is not being built as a module by anyone. Lets remove the modular code that is essentially orphaned, so that when reading the driver there is no doubt it is builtin-only. Since module_platform_driver() uses the same init level priority as builtin_platform_driver() the init ordering remains unchanged with this commit. The .remove function was declared __exit, so it wouldn't have been available for a sysfs bind/unbind anyway, so lets be explicit here and use ".suppress_bind_attrs = true" to prevent root from doing something silly. We also delete the MODULE_LICENSE tag etc. since all that information is already contained at the top of the file in the comments. Cc: Vincenzo Scotti <vinc94@gmail.com> Cc: Haneen Mohammed <hamohammed.sa@gmail.com> Cc: Felipe Balbi <balbi@ti.com> Cc: Roberta Dobrescu <roberta.dobrescu@gmail.com> Cc: Tapasweni Pathak <tapaswenipathak@gmail.com> Cc: Peter Chen <peter.chen@freescale.com> Cc: Robert Baldyga <r.baldyga@samsung.com> Cc: Chris Rorvick <chris@rorvick.com> Cc: "Gujulan Elango, Hari Prasath (H.)" <hgujulan@visteon.com> Cc: devel@driverdev.osuosl.org Signed-off-by:
Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by:
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Paul Gortmaker authored
The Kconfig currently controlling compilation of this code is: drivers/staging/android/Kconfig:config ANDROID_TIMED_OUTPUT drivers/staging/android/Kconfig: bool "Timed output class driver" ...meaning that it currently is not being built as a module by anyone. Lets remove the modular code that is essentially orphaned, so that when reading the driver there is no doubt it is builtin-only. Since module_init translates to device_initcall in the non-modular case, the init ordering remains unchanged with this commit. We replace module.h with init.h and export.h ; the latter since this file does actually export some symbols. We also delete the MODULE_LICENSE tag etc. since all that information is already contained at the top of the file in the comments. Cc: "Arve Hjønnevåg" <arve@android.com> Cc: Riley Andrews <riandrews@android.com> Cc: devel@driverdev.osuosl.org Signed-off-by:
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Paul Gortmaker authored
The Kconfig currently controlling compilation of this code is: drivers/staging/android/Kconfig:config ANDROID_LOW_MEMORY_KILLER drivers/staging/android/Kconfig: bool "Android Low Memory Killer" ...meaning that it currently is not being built as a module by anyone. Lets remove the modular code that is essentially orphaned, so that when reading the driver there is no doubt it is builtin-only. Since module_init translates to device_initcall in the non-modular case, the init ordering remains unchanged with this commit. We replace module.h with init.h and moduleparam.h ; the latter since this file was previously implicitly relying on getting that header. We also delete the MODULE_LICENSE tag etc. since all that information is already contained at the top of the file in the comments. Cc: "Arve Hjønnevåg" <arve@android.com> Cc: Riley Andrews <riandrews@android.com> Cc: devel@driverdev.osuosl.org Signed-off-by:
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Paul Gortmaker authored
The Kconfig currently controlling compilation of this code is: staging/android/Kconfig:config SW_SYNC staging/android/Kconfig: bool "Software synchronization objects" ...meaning that it currently is not being built as a module by anyone. Lets remove the modular code that is essentially orphaned, so that when reading the driver there is no doubt it is builtin-only. Since module_init translates to device_initcall in the non-modular case, the init ordering remains unchanged with this commit. We also delete the MODULE_LICENSE tag etc. since all that information is already contained at the top of the file in the comments. Cc: "Arve Hjønnevåg" <arve@android.com> Cc: Riley Andrews <riandrews@android.com> Cc: devel@driverdev.osuosl.org Signed-off-by:
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Paul Gortmaker authored
The Kconfig currently controlling compilation of this code is: drivers/staging/android/Kconfig:config ASHMEM drivers/staging/android/Kconfig: bool "Enable the Anonymous Shared Memory Subsystem" ...meaning that it currently is not being built as a module by anyone. Lets remove the modular code that is essentially orphaned, so that when reading the driver there is no doubt it is builtin-only. Since module_init translates to device_initcall in the non-modular case, the init ordering remains unchanged with this commit. We replace module.h with init.h and export.h ; the latter since this file uses the global THIS_MODULE. We also delete the MODULE_LICENSE tag etc. since all that information is already contained at the top of the file in the comments. Cc: "Arve Hjønnevåg" <arve@android.com> Cc: Riley Andrews <riandrews@android.com> Cc: devel@driverdev.osuosl.org Signed-off-by:
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Paul Gortmaker authored
The Kconfig currently controlling compilation of this code is: drivers/staging/android/ion/Kconfig:config ION_TEGRA drivers/staging/android/ion/Kconfig: tristate "Ion for Tegra" ...which led me to incorrectly conclude this file was built modular earlier. However the above CONFIG is just used to enter the dir and once we do enter that dir, we see the build is unconditional: drivers/staging/android/ion/Makefile:obj-$(CONFIG_ION_TEGRA) += tegra/ drivers/staging/android/ion/tegra/Makefile:obj-y += tegra_ion.o ...meaning that it currently is not being built as a module by anyone. However, given that the Kconfig did explicitly choose tristate, and that the dummy ion driver is (functionally) tristate, I chose to make the Makefile do the right thing for it to build as a module. After this change, on an ARM allmodconfig, we see: CC [M] drivers/staging/android/ion/tegra/tegra_ion.o so it does build OK as a module. I can't vouch for the modular functionality however, so consider this compile tested only. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: "Arve Hjønnevåg" <arve@android.com> Cc: Riley Andrews <riandrews@android.com> Cc: Stephen Warren <swarren@wwwdotorg.org> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: Markus Elfring <elfring@users.sourceforge.net> Cc: devel@driverdev.osuosl.org Cc: linux-tegra@vger.kernel.org Signed-off-by:
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Paul Gortmaker authored
The Kconfig currently controlling compilation of this code is: drivers/staging/android/ion/Kconfig:menuconfig ION drivers/staging/android/ion/Kconfig: bool "Ion Memory Manager" ...meaning that it currently is not being built as a module by anyone. Lets remove the modular code that is essentially orphaned, so that when reading the driver there is no doubt it is builtin-only. Since module_init translates to device_initcall in the non-modular case, the init ordering remains unchanged with this commit. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: "Arve Hjønnevåg" <arve@android.com> Cc: Riley Andrews <riandrews@android.com> Cc: devel@driverdev.osuosl.org Signed-off-by:
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Ksenija Stanojevic authored
Braces in single statement blocks are not needed. Found by checkpatch.pl Signed-off-by: Ksenija Stanojevic<ksenija.stanojevic@gmail.com> Signed-off-by: -
Parshuram Thombare authored
Signed-off-by:
Parshuram Thombare <thombarepr@yahoo.com> Signed-off-by:
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Sudip Mukherjee authored
The IO configuration was not used to configure the board. It was only read from the configuration file. Stop reading it and also remove the other related variables defined for it. Signed-off-by:
Sudip Mukherjee <sudip@vectorindia.org> Signed-off-by:
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Sudip Mukherjee authored
checkpatch was warning us about extra unneeded parenthesis. Signed-off-by:
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Sudip Mukherjee authored
checkpatch was warning us that the alignment should match the open parenthesis. Signed-off-by:
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Sudip Mukherjee authored
Space is not necessary after typecast. Signed-off-by:
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Sudip Mukherjee authored
Blank lines are not needed after opening braces. checkpatch was giving us warnings about this. Signed-off-by:
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Sudip Mukherjee authored
Blank lines are not needed before closing braces. checkpatch was giving warning about this. Signed-off-by:
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Sudip Mukherjee authored
checkpatch warns us about multiple blank lines which are not needed. Remove them. Signed-off-by:
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Alison Schofield authored
Move open braces to be in line with "if" control flow statements. Addresses checkpatch.pl: ERROR: that open brace { should be on the previous line Signed-off-by:Alison Schofield <amsfield22@gmail.com> Signed-off-by:
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Shraddha Barke authored
kfree on NULL pointer is a no-op. The semantic patch used - // <smpl> @@ expression E; @@ - if (E != NULL) { kfree(E); } + kfree(E); @@ expression E; @@ - if (E != NULL) { kfree(E); E = NULL; } + kfree(E); + E = NULL; // </smpl>smpl> Signed-off-by:Shraddha Barke <shraddha.6596@gmail.com> Signed-off-by:
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Shraddha Barke authored
kfree on NULL pointer is a no-op. The semantic patch used- // <smpl> @@ expression E; @@ - if (E != NULL) { kfree(E); } + kfree(E); @@ expression E; @@ - if (E != NULL) { kfree(E); E = NULL; } + kfree(E); + E = NULL; // </smpl>smpl> Signed-off-by:
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