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| author | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2018-09-26 16:54:31 +0300 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2018-09-26 16:54:31 +0300 |
| commit | aaccf3c97418f169afdbb5855e9cbcbda34e90fd (patch) | |
| tree | 5d4207e67958bdbc23288cf30178692f5534e1a0 /Documentation/driver-api/fpga/fpga-mgr.rst | |
| parent | f39684524b391c5a7ed0ac44db4fec3357af1c5d (diff) | |
| parent | 6bf4ca7fbc85d80446ac01c0d1d77db4d91a6d84 (diff) | |
| download | linux-aaccf3c97418f169afdbb5855e9cbcbda34e90fd.tar.xz | |
Merge tag 'v4.19-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into fbdev-for-next
Sync with upstream (which now contains fbdev-v4.19 changes) to
prepare a base for fbdev-v4.20 changes.
Diffstat (limited to 'Documentation/driver-api/fpga/fpga-mgr.rst')
| -rw-r--r-- | Documentation/driver-api/fpga/fpga-mgr.rst | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/Documentation/driver-api/fpga/fpga-mgr.rst b/Documentation/driver-api/fpga/fpga-mgr.rst index bcf2dd24e179..4b3825da48d9 100644 --- a/Documentation/driver-api/fpga/fpga-mgr.rst +++ b/Documentation/driver-api/fpga/fpga-mgr.rst @@ -83,7 +83,7 @@ The programming sequence is:: 3. .write_complete The .write_init function will prepare the FPGA to receive the image data. The -buffer passed into .write_init will be atmost .initial_header_size bytes long, +buffer passed into .write_init will be at most .initial_header_size bytes long; if the whole bitstream is not immediately available then the core code will buffer up at least this much before starting. @@ -98,9 +98,9 @@ scatter list. This interface is suitable for drivers which use DMA. The .write_complete function is called after all the image has been written to put the FPGA into operating mode. -The ops include a .state function which will read the hardware FPGA manager and -return a code of type enum fpga_mgr_states. It doesn't result in a change in -hardware state. +The ops include a .state function which will determine the state the FPGA is in +and return a code of type enum fpga_mgr_states. It doesn't result in a change +in state. How to write an image buffer to a supported FPGA ------------------------------------------------ @@ -181,8 +181,8 @@ API for implementing a new FPGA Manager driver .. kernel-doc:: drivers/fpga/fpga-mgr.c :functions: fpga_mgr_unregister -API for programming a FPGA --------------------------- +API for programming an FPGA +--------------------------- .. kernel-doc:: include/linux/fpga/fpga-mgr.h :functions: fpga_image_info |