Re: [PATCH 2/5] em28xx: respect the message size constraints for i2c transfers

2012-12-15 Thread Frank Schäfer
Am 14.12.2012 17:55, schrieb Antti Palosaari: On 12/14/2012 06:28 PM, Frank Schäfer wrote: The em2800 can transfer up to 4 bytes per i2c message. All other em25xx/em27xx/28xx chips can transfer at least 64 bytes per message. I2C adapters should never split messages transferred via the I2C

[PATCH 2/5] em28xx: respect the message size constraints for i2c transfers

2012-12-14 Thread Frank Schäfer
The em2800 can transfer up to 4 bytes per i2c message. All other em25xx/em27xx/28xx chips can transfer at least 64 bytes per message. I2C adapters should never split messages transferred via the I2C subsystem into multiple message transfers, because the result will almost always NOT be the same

Re: [PATCH 2/5] em28xx: respect the message size constraints for i2c transfers

2012-12-14 Thread Antti Palosaari
On 12/14/2012 06:28 PM, Frank Schäfer wrote: The em2800 can transfer up to 4 bytes per i2c message. All other em25xx/em27xx/28xx chips can transfer at least 64 bytes per message. I2C adapters should never split messages transferred via the I2C subsystem into multiple message transfers, because