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path: root/drivers/staging/octeon-usb
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2017-05-15staging: octeon-usb: use correct function for hcd cleanupAnton Bondarenko
Use usb_put_hdc to release hdc allocated by usb_create_hcd. This is needed to handle sub-allocations and HCD sharing correctly. Signed-off-by: Anton Bondarenko <anton.bondarenko.sama@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-22staging: octeon-usb: Remove unnecessary assignmentRehas Sachdeva
Remove 'x=a;' from a consecutive double assignment of the form 'x=a; x=b;'. Issue detected by the semantic patch found here: https://github.com/coccinelle/coccinellery/blob/master/write2/write2.cocci Signed-off-by: Rehas Sachdeva <aquannie@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-08-30staging: octeon-usb: correct driver name in Kconfig help textRandy Dunlap
The module name in the Makefile and in the driver source file is octeon-hcd, so correct the Kconfig text to be the same. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-25staging: octeon-usb: update TODOAaro Koskinen
Update TODO. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-25staging: octeon-usb: avoid an overlong lineAaro Koskinen
Avoid an overlong line. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-25staging: octeon-usb: move next pipe selection into a separate functionAaro Koskinen
Move next pipe selection into a separate function to avoid deep nesting. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-25staging: octeon-usb: move isoc transfer handling into separate functionAaro Koskinen
Move isochronous transfer handling into a separate function to avoid deep indentation. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-25staging: octeon-usb: move interrupt transfer handling into separate functionAaro Koskinen
Move bulk transfer handling into a separate function to avoid deep indentation. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-25staging: octeon-usb: move bulk transfer handling into separate functionAaro Koskinen
Move bulk transfer handling into a separate function to avoid deep indentation. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-25staging: octeon-usb: move control transfer handling into separate functionAaro Koskinen
Move control transfer handling into a separate function to avoid deep indentation. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-25staging: octeon-usb: fold cvmx_usb_state into octeon_hcdAaro Koskinen
Fold cvmx_usb_state into octeon_hcd. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-25staging: octeon-usb: rename STATUS_SUCCESS to STATUS_OKAaro Koskinen
Rename STATUS_SUCCESS to STATUS_OK. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-25staging: octeon-usb: rename cvmx_usb_perform_complete to cvmx_usb_completeAaro Koskinen
Rename cvmx_usb_perform_complete to cvmx_usb_complete. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-25staging: octeon-usb: rename cvmx_usb_complete to cvmx_usb_statusAaro Koskinen
Rename cvmx_usb_complete to cvmx_usb_status. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-25staging: octeon-usb: simplify if statementAaro Koskinen
Simplify if statement to avoid deep nesting. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-25staging: octeon-usb: pass transfer type to find_ready_pipeAaro Koskinen
Since we always search the same list, we can just pass the transfer type. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-25staging: octeon-usb: eliminate redundant parameter from find_ready_pipeAaro Koskinen
current_frame always equals usb->frame_number. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-25staging: octeon-usb: align split lines to match open parenthesisAaro Koskinen
Align split lines to match open parenthesis. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-25staging: octeon-usb: use preferred style for NULL comparisonAaro Koskinen
Use preferred coding style for NULL comparison. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-20staging: octeon-usb: make driver name to match the file nameAaro Koskinen
Make driver name to match the file name. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-20staging: octeon-usb: add spaces around operatorAaro Koskinen
Add spaces around operator to improve readability. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-20staging: octeon-usb: switch to use kernel typesAaro Koskinen
Switch to use kernel types: uint64_t -> u64 uint32_t -> u32 uint16_t -> u16 uint8_t -> u8 int8_t -> s8 Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-20staging: octeon-usb: clean up includesAaro Koskinen
Clean up includes. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-20staging: octeon-usb: delete space after castAaro Koskinen
Delete space after cast. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-20staging: octeon-usb: add missing bracesAaro Koskinen
Some if branches are missing braces as required by coding style. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-20staging: octeon-usb: delete redundant blank linesAaro Koskinen
Delete redundant blank lines. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-14staging: octeon-usb: support official bindingsAaro Koskinen
Support official DT bindings alongside with the deprecated ones. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-11staging: octeon: Remove unneeded parentheses in assignmentJanani Ravichandran
Remove parentheses around the right hand side of assignments as they are not needed. Semantic patch used: @@ expression a, b, c; @@ ( a = (b == c) | a = - ( b - ) ) Signed-off-by: Janani Ravichandran <janani.rvchndrn@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-07drivers: staging: octeon-usb: octeon-hcd.c: fixed coding style related warningsSaatvik Arya
fixed coding style warnings related to comment blocks Signed-off-by: Saatvik Arya <aryasaatvik@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-24staging: octeon-usb: Replace kmalloc with kmalloc_arrayCristina Moraru
Replace kmalloc with specialized function kmalloc_array when the size is a multiplication of: number_of_elements * size_of_element Signed-off-by: Cristina Moraru <cristina.moraru09@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-09-12staging: octeon-usb: Fix module autoload for OF platform driverLuis de Bethencourt
This platform driver has a OF device ID table but the OF module alias information is not created so module autoloading won't work. Signed-off-by: Luis de Bethencourt <luis@debethencourt.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-05-08Staging: fixed multiple spelling errors.Carlos E. Garcia
Fixed multiple spelling errors. Signed-off-by: Carlos E. Garcia <carlos@cgarcia.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-04-28staging: octeon-usb: fix unaligned isochronous transfersJohan Hovold
Make sure to copy the whole transfer buffer when releasing the temporary buffer used for unaligned isochronous transfers as the data is not necessarily contiguous in that case. Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-04-03staging: octeon-usb: make CVMX_WAIT_FOR_FIELD32 to take condition expressionAaro Koskinen
Make CVMX_WAIT_FOR_FIELD32 to take full condition expression. This should make the usage simpler, and the macro more readable. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-04-03staging: octeon-usb: assume union type for FIELD32 macrosAaro Koskinen
Assume union type for FIELD32 macros to simplify usage. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-04-03staging: octeon-usb: octeon_usb_probe: delete unused variableAaro Koskinen
"flags" is not used, delete it. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-04-03staging: octeon-usb: make cvmx_fifo_setup voidAaro Koskinen
Make cvmx_fifo_setup void, it does not return any value. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-03-24stating: octeon-usb: cvmx_usb_initialize(): eliminate extra indentationAaro Koskinen
Eliminate extra indentation by putting all the code into the same block. Also delete a bogus comment. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-03-24staging: octeon-usb: try to recover from failed hardware resetAaro Koskinen
On some hardware the USB fails to initialize to sane state after cold boot. We can detect this based on some unexpected interrupt bits, and recover by re-initializing. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-03-24staging: octeon-usb: fail and warn if DMA counters are wrongAaro Koskinen
Fail and WARN if DMA counters are wrong. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-03-24staging: octeon-usb: move cvmx_usb_shutdown()Aaro Koskinen
Move cvmx_usb_shutdown() to allow its use from some other functions. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-03-24staging: octeon-usb: rewrite port resetAaro Koskinen
Don't disable port before resetting. Also perform reset unconditionally when requested. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-03-24staging: octeon-usb: move fifo setup to controller reset from port resetAaro Koskinen
Move FIFO setup to controller reset from port reset. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-03-24staging: octeon-usb: move fifo setup into a separate routineAaro Koskinen
Move FIFO setup into a separate routine. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-03-24staging: octeon-usb: use USB stack to turn on powerAaro Koskinen
Use USB stack to turn on the power bit. It will also do the necessary delays. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-03-24staging: octeon-usb: don't poll interrupts earlyAaro Koskinen
Don't poll interrupts before we have registered the HCD. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-03-24staging: octeon-usb: refactor usbn block initAaro Koskinen
Move one-time state data structure initialization out of cvmx_usb_initialize(). This enables to re-initialize USBN HW block without messing up data structures. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-03-24staging: octeon-usb: never retry after xacterrAaro Koskinen
Never retry after xacterr. The DMA engine cannot handle that properly and may result in wrong transfer count and hang. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-03-24staging: octeon-usb: program DMA engine based on transfer directionAaro Koskinen
Program DMA engine based on transfer direction. We are only transferring to one direction at a time. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-03-24staging: octeon-usb: use __BITFIELD_FIELDAaro Koskinen
Use __BITFIELD_FIELD to define bitfields. OCTEON can at least in theory run also in little-endian mode, so the bitfield definitions should not assume big-endian byte order. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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