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The INIT_B pin reports the status during startup and after the end of the
programming process. However the current driver completely ignores it.
Check the pin status during startup to make sure programming is never
started too early and also to detect any hardware issues in the FPGA
connection.
This is optional for backward compatibility. If INIT_B is not passed by
device tree, just fallback to the old udelays.
Signed-off-by: Luca Ceresoli <[email protected]>
Signed-off-by: Moritz Fischer <[email protected]>
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Using variables does not add readability here: parameters passed
to udelay*() are obviously in microseconds and their meaning is clear
from the context.
The type is also wrong, udelay expects an unsigned long.
Signed-off-by: Luca Ceresoli <[email protected]>
Signed-off-by: Moritz Fischer <[email protected]>
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The Xilinx 7-series uses the same protocol, mention that.
Signed-off-by: Luca Ceresoli <[email protected]>
Signed-off-by: Moritz Fischer <[email protected]>
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Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms and conditions of the gnu general public license
version 2 as published by the free software foundation
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 101 file(s).
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Allison Randal <[email protected]>
Cc: [email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Add devm_fpga_mgr_create() which is the managed
version of fpga_mgr_create().
Change current FPGA manager drivers to use
devm_fpga_mgr_create()
Signed-off-by: Alan Tull <[email protected]>
Suggested-by: Federico Vaga <[email protected]>
Acked-by: Moritz Fischer <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Change fpga_mgr_register to not set or use drvdata. This supports
the case where a PCIe device has more than one manager.
Add fpga_mgr_create/free functions. Change fpga_mgr_register and
fpga_mgr_unregister functions to take the mgr struct as their only
parameter.
struct fpga_manager *fpga_mgr_create(struct device *dev,
const char *name,
const struct fpga_manager_ops *mops,
void *priv);
void fpga_mgr_free(struct fpga_manager *mgr);
int fpga_mgr_register(struct fpga_manager *mgr);
void fpga_mgr_unregister(struct fpga_manager *mgr);
Update the drivers that call fpga_mgr_register with the new API.
Signed-off-by: Alan Tull <[email protected]>
[Moritz: Fixup whitespace issue]
Reported-by: Jiuyue Ma <[email protected]>
Signed-off-by: Moritz Fischer <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The driver loads FPGA firmware over SPI, using the "slave serial"
configuration interface on Xilinx FPGAs.
Signed-off-by: Anatolij Gustschin <[email protected]>
Acked-by: Michal Simek <[email protected]>
Reviewed-by: Moritz Fischer <[email protected]>
Acked-by: Alan Tull <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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