On Wed, 30 Jan 2013 09:15:04 -0500, Neil Horman wrote: > On Tue, Jan 29, 2013 at 11:10:28PM +0100, Jean Delvare wrote: > > This won't fix it, unless the hardware happens to update dma_size when > > receiving a block from a slave. If not then dma_size will always be > > I2C_SMBUS_BLOCK_MAX, while what we need is the number of bytes actually > > received. > > I'm sorry, I misspoke. Its the rxbytes field in the descriptor that we need > to use. I > believe that field gets updated by the firmware on dmas from the device to the > cpu.
I couldn't find a description of the hardware descriptor in the datasheets, so I'm afraid I can't help here. If it is really there then I'd be grateful if you can point me to the right file and page. > (...) > I'll have some tomorrow. I've got all your trivial changes fixed up, and will > hopefully be able to sort out the convoluted stuff with you and Seth in the > next > few days Great. I'll be happy to test whatever you have then. -- Jean Delvare -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
