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07c054d3e5
The flexcan IP core has up to 64 mailboxes, each one has a corresponding
interrupt bit in the iflag1 or iflag2 registers and a mask bit in the
imask1 or imask2 registers.
In the timestamp (i.e. non FIFO) mode the driver needs to mask out all
non RX interrupt sources and uses the precomputed values
reg_imask1_default and reg_imask2_default of struct flexcan_priv for
this.
However in the current driver the reg_imask{1,2}_default cannot be used
directly to get the pending RX interrupts. The TX interrupt is part of
these variables, so it needs to be masked out, too.
This is a preparation patch to clean up calculation of the pending RX
interrupts, it only renames the variables from
reg_imask{1,2}_default
to
rx_mask{1,2}
To better reflect their meaning after the complete conversion. This
change is done with the following sed command:
sed -i -e "s/reg_imask\(1\|2\)_default/rx_mask\1/" drivers/net/can/flexcan.c
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.