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authorWolfram Sang <wsa+renesas@sang-engineering.com>2024-05-13 16:56:14 +0300
committerWolfram Sang <wsa+renesas@sang-engineering.com>2024-05-13 16:56:14 +0300
commit0e9ee7dd7449371d221ce048615e5d1e271dacfc (patch)
tree366b2a5a8a5ce2724a410e3c03dc113620961717 /drivers/of
parent10316dcc4f39b2560b372d11be477228b95ae5ac (diff)
parent61e05bad821cb293418794738e7cc359949f44fe (diff)
downloadlinux-0e9ee7dd7449371d221ce048615e5d1e271dacfc.tar.xz
Merge tag 'i2c-host-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux into i2c/for-mergewindow
Code cleanup: A substantial code cleanup from Wolfram affects many drivers: - Removed dev_err() in case of timeout during i2c transfers, as timeouts are not considered errors and should not be treated as such. - For the same reason, 'timeout' variables have been renamed to 'time_left'. Other cleanups: - The viperboard driver now omits the "owner = THIS_MODULE" assignment. - Finally, we have eliminated the last remnants of I2C_CLASS_SPD: support for class-based devices has been completely removed from the mux-gpio driver. - In the ocore devices, a more standard use of ioport_map() for 8-bit I/O read/write operations has been implemented. - The mpc driver will be among the first i2c drivers and one of the first in the kernel to use the __free auto cleanup routine. - The designware driver now uses MODULE_DEVICE_TABLE() instead of MODULE_ALIAS() for better consistency with the ID table. - Added prefixes to the octeon register macros. - Fixed some checkpatch errors in the newly created i2c-viai2c-common.c file. Code refactoring: - The riic driver has refactored read/write operations to more flexibly support new platforms, laying the foundation for new SoC peculiarities. - In the i801 driver, a notifier callback has been created for muxed child segments. - The lpi2c driver now sets a clock rate during probe instead of continuously calling clk_get_rate(). - Improvements in the clock divisor logic to accommodate other clock frequencies. - Combined some common functionalities during initialization for the wmt driver and separated others that can be independently used by different drivers. Now, all the common functionalities are grouped in the i2c-viai2c-common.c file. - Improved the clock stretching mechanism in the newly created i2c-viai2c-common.c file, inherited from the previous i2c-wmt.c. Features added: - The octeon driver now includes watchdog timeout handling. - Added high-speed support for the octeon driver. Added support for: - R9A09G057 SoC in the riic driver. - Rapids-D I2C controller in the designware driver. - Cadence driver now also supports RISC-V architectures. - Added support to the WMT device as a separate driver using the newly created i2c-viai2c-common.c functionalities. - Added support for the Zhaoxin I2C controller. Some improvements in the bindings: - The pnx driver is converted to dtschema. - Added documentation for the Qualcomm SC8280XP.
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