4 Commits

Author	SHA1	Message	Date
Wolfram Sang	39129f28c9	i2c: nvidia-gpu: limit reads also for combined messages ... If the controller can only do 4 byte reads, this needs to be applied for the read-part of combined messages, too. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Fixes: c71bcdcb42 ("i2c: add i2c bus driver for NVIDIA GPU") Acked-by: Ajay Gupta <ajayg@nvidia.com> Tested-by: Ajay Gupta <ajayg@nvidia.com>	2018-11-27 14:00:22 +01:00
Wolfram Sang	98be694ba2	i2c: nvidia-gpu: adhere to I2C fault codes ... As described in Documentation/i2c/fault-codes. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Fixes: c71bcdcb42 ("i2c: add i2c bus driver for NVIDIA GPU") Acked-by: Ajay Gupta <ajayg@nvidia.com> Tested-by: Ajay Gupta <ajayg@nvidia.com>	2018-11-27 13:59:10 +01:00
Wolfram Sang	caccdcc5db	i2c: nvidia-gpu: make pm_ops static ... sparse rightfully says: warning: symbol 'gpu_i2c_driver_pm' was not declared. Should it be static? Signed-off-by: Wolfram Sang <wsa@the-dreams.de>	2018-11-09 17:56:44 +01:00
Ajay Gupta	c71bcdcb42	i2c: add i2c bus driver for NVIDIA GPU ... Latest NVIDIA GPU card has USB Type-C interface. There is a Type-C controller which can be accessed over I2C. This driver adds I2C bus driver to communicate with Type-C controller. I2C client driver will be part of USB Type-C UCSI driver. Signed-off-by: Ajay Gupta <ajayg@nvidia.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> [wsa: kept Makefile sorting] Signed-off-by: Wolfram Sang <wsa@the-dreams.de>	2018-11-09 17:46:43 +01:00