Hi,
please find attached the next try. Thanks to Marc. I've worked on all mentioned
issues except one: I don't add clk_disable_unprepare in sunxi_can_start. Makes
no
sense to me (driver fails).
For testers:
the patch will only apply wihtout modification to kernels 3.19+.
I've tested the driver (receipt, sending and basic errors). IMHO
everything is fine. The performance seems to be good - high rates
(>5000 packets/second) working fine.
Please test and report bugs if exists.
[PATCH v5 1/2] Device Tree Binding Documentation
[PATCH v5 2/2] Kernel Module
History:
V5: fix license
modify prefix to mode select defines
enable and disable clock in sunxican_get_berr_counter
delete set_normal_mode at the end of sunxi_can_start
removed sunxican_id_table
use devm_clk_get instead of clk_get
use devm_ioremap_resource to simplify probe and remove
make set-normal-mode and set-reset-mode more readable
v4: defines prefixed with SUNXI_
sunxi_can_write_cmdreg tweaked
loops in set_xxx_mode reworked
add return value to set_xxx_mode
sunxican_start_xmit reworked
struct platform_driver stripped
moved set_bittiming into open
moved clock start into open
add clock stop to close
suspend reworked
resume reworked
fixed double counting bug
v3: changed error state change handling (thx Andri for the hint)
use bittiming function correct (no need to call it)
strip down priv (suggested by Marc)
scripts/checkpatch.pl-> no matches anymore
sparse -> no errors or warnings anymore
v2: cleaning
v1: initial
Signed-off-by: Gerhard Bertelsmann <[email protected]>
---
.../devicetree/bindings/net/can/sunxi_can.txt | 40 +
drivers/net/can/Kconfig | 10 +
drivers/net/can/Makefile | 1 +
drivers/net/can/sunxi_can.c | 879 +++++++++++++++++++++
4 files changed, 930 insertions(+)
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