linux-toradex.git/drivers/fpga, branch v4.4-rc6

fpga manager: Fix firmware resource leak on error

2015-11-24T23:25:46+00:00

If fpga_mgr_buf_load() fails, the firmware resource previously allocated
by request_firmware() is leaked. Fix it by calling release_firmware()
regardless of the return value of fpga_mgr_buf_load().

Found by the Coverity scanner (CID 1339653).

Fixes: 6a8c3be7ec8e ("add FPGA manager core")
Signed-off-by: Tobias Klauser 
Acked-by: Alan Tull 
Signed-off-by: Greg Kroah-Hartman

fpga manager: remove label

2015-11-24T23:25:46+00:00

Remove implementation of 'label' DT binding.

Signed-off-by: Alan Tull 
Reviewed-by: Moritz Fischer 
Signed-off-by: Greg Kroah-Hartman

fpga: socfpga: Fix check of return value of devm_request_irq

2015-10-29T22:20:25+00:00

The return value should be checked for non-zero, instead
of checking it being IS_ERR_VALUE().

Acked-by: Alan Tull 
Reviewed-by: Josh Cartwright 
Signed-off-by: Moritz Fischer 
Signed-off-by: Greg Kroah-Hartman

fpga: zynq-fpga: Fix issue with drvdata being overwritten.

2015-10-23T23:49:44+00:00

Upon registering a FPGA Manager low level driver, FPGA Manager
core overwrites the platform drvdata pointer. Prior to this commit
zynq-fpga falsely relied on this pointer to still be valid at remove()
time.

Reported-by: Alan Tull 
Signed-off-by: Moritz Fischer 
Acked-by: Alan Tull 
Signed-off-by: Greg Kroah-Hartman

fpga manager: remove unnecessary null pointer checks

2015-10-23T23:49:44+00:00

Remove unnecessary null pointer checks.  We want the caller of
these functions to do their own pointer checks.  Add some
comments to document this.

Signed-off-by: Alan Tull 
Reviewed-by: Moritz Fischer 
Signed-off-by: Greg Kroah-Hartman

fpga manager: ensure lifetime with of_fpga_mgr_get

2015-10-23T23:49:44+00:00

Ensure device and driver lifetime from of_fpga_mgr_get() to
fpga_mgr_put().

* Don't put_device() in of_fpga_mgr_get, do it in fpga_mgr_put().
  (still do put_device if there is an error).
* Do module_get on the low level driver.
* Don't need to module_get(THIS_MODULE) since we won't be allowed
  to unload the fpga manager core without unloading low level
  driver first.
* Remove unnedessary null check for node pointer.

Signed-off-by: Alan Tull 
Signed-off-by: Greg Kroah-Hartman

fpga: zynq-fpga: Change fw format to handle bin instead of bit.

2015-10-23T23:49:12+00:00

This gets rid of the code to strip away the header and byteswap,
as well as the check for the sync word.

Signed-off-by: Moritz Fischer 
Reviewed-by: Josh Cartwright 
Acked-by: Michal Simek 
Signed-off-by: Greg Kroah-Hartman

fpga: zynq-fpga: Fix unbalanced clock handling

2015-10-23T23:49:12+00:00

This commit fixes the unbalanced clock handling, where
a failed probe would leave the clock with an enable count of -1.

Reported-by: Josh Cartwright 
Signed-off-by: Moritz Fischer 
Signed-off-by: Greg Kroah-Hartman

fpga manager: Adding FPGA Manager support for Xilinx Zynq 7000

2015-10-18T04:57:16+00:00

This commit adds FPGA Manager support for the Xilinx Zynq chip.
The code borrows some from the xdevcfg driver in Xilinx'
vendor tree.

Signed-off-by: Moritz Fischer 
Signed-off-by: Greg Kroah-Hartman

fpga manager: add driver for socfpga fpga manager

2015-10-07T17:08:15+00:00

Add driver to fpga manager framework to allow configuration
of FPGA in Altera SoCFPGA parts.

Signed-off-by: Alan Tull 
Acked-by: Michal Simek 
Acked-by: Moritz Fischer 
Signed-off-by: Greg Kroah-Hartman