Am 18.06.24 um 21:53 schrieb Guenter Roeck:
> The first patch of this series introduces multi-page support using the
> regmap infrastructure. This simplifies the code and improves regmap caching.
>
> The second patch introduces a spd5118-specific regmap bus to implement
> SMBus accesses. This solves a problem seen with i801 I2C controllers
> when writing to the chip. The I2C_FUNC_SMBUS_I2C_BLOCK support implemented
> in those controllers does not work with spd5118 compatible chips, so
> byte-by-byte access needs to be used explicitly.
>
> The third patch adds support for spd5118 compatible chips which follow
> the standard literally and block access to volatile registers if not
> on page 0.
>
> RFT: I was able to test the code on AMD systems using the piix4 I2C
> controller. It needs testing with i801 controllers and with Renesas
> chips.
>
> v2: Added patches 1 and 2; simplified patch 3 to rely on regmap
> based paging.
Hi,
i also have an AMD system and DRAM chips without the Renesas controller, but still:
Tested-by: Armin Wolf <W_Armin@gmx.de>
> ----------------------------------------------------------------
> Guenter Roeck (3):
> hwmon: (spd5118) Use regmap to implement paging
> hwmon: (spd5118) Use spd5118 specific read/write operations
> hwmon: (spd5118) Add support for Renesas/ITD SPD5118 hub controllers
>
> drivers/hwmon/Kconfig | 2 +-
> drivers/hwmon/spd5118.c | 131 +++++++++++++++++++++++++++++++++++++-----------
> 2 files changed, 102 insertions(+), 31 deletions(-)