Hi Ben, 2011/10/21 Ben Dooks <ben-i2c@xxxxxxxxx>: > On Tue, Oct 18, 2011 at 09:22:50PM +0900, Tomoya MORINAGA wrote: >> (2011/10/18 20:16), Christian Gmeiner wrote: >> >> Hi, Christian >> >>> Hi all >>> >>> I am using a 3.0.7 linux kernel with "[PATCH x/7 v4] i2c-eg20t: ..." >>> from 12. October on top of >>> it. > > Shall I leave v4 on the list of things to submit? The v4 patch series improves the driver... before it I was not even possible to run i2cdetect. Now with v4 applied I can see all devices which are connected to the eg20t i2c adapter. So it would be fine to if you could merge v4 into upstream. > >>> ... >>> ... >>> [ 1.439115] i2c_eg20t 0000:02:0c.2: pch_i2c_probe :Entered. >>> [ 1.439163] i2c_eg20t 0000:02:0c.2: PCI INT C -> GSI 18 (level, >>> low) -> IRQ 18 >>> [ 1.439602] i2c-dev: adapter [i2c_eg20t] registered as minor 0 >>> [ 1.439738] i2c i2c-0: adapter [i2c_eg20t] registered >>> [ 1.460041] i2c_eg20t 0000:02:0c.2: pch_i2c_init :I2CCTL=380 >>> pch_i2cbc=fc0 pch_i2ctmr=186a Enable interrupts >>> [ 1.460097] i2c_eg20t 0000:02:0c.2: pch_i2c_probe :returns 0. >>> ... >>> ... >>> [ 2.098641] i2c 0-0050: uevent >>> [ 2.098823] at24 0-0050: probe >>> [ 2.098874] i2c 0-0051: uevent >>> [ 2.099070] dummy 0-0051: probe >>> [ 2.099084] i2c i2c-0: client [dummy] registered with bus id 0-0051 >>> [ 2.099099] at24 0-0050: 512 byte 24c04 EEPROM, writable, 16 bytes/write >>> [ 2.099130] i2c i2c-0: master_xfer[0] W, addr=0x50, len=1 >>> [ 2.099140] i2c i2c-0: master_xfer[1] R, addr=0x50, len=24 >>> [ 2.099151] i2c_eg20t 0000:02:0c.2: pch_i2c_xfer >>> :adap->p_adapter_info->pch_i2c_suspended is 0 >>> [ 2.099161] i2c_eg20t 0000:02:0c.2: pch_i2c_xfer :After invoking >>> I2C_MODE_SEL :flag= 0x0 >>> [ 2.099171] i2c_eg20t 0000:02:0c.2: pch_i2c_xfer :invoking pch_i2c_writebytes >>> [ 2.099187] i2c_eg20t 0000:02:0c.2: pch_i2c_writebytes :I2CCTL = >>> 390 msgs->len = 1 >>> [ 2.099202] i2c_eg20t 0000:02:0c.2: pch_i2c_start :I2CCTL = 390 >>> [ 2.099559] i2c_eg20t 0000:02:0c.2: pch_i2c_cb :PCH_I2CSR = 28 >>> [ 2.099586] i2c_eg20t 0000:02:0c.2: pch_i2c_writebytes :writing 0 >>> to Data register >>> [ 2.099872] i2c_eg20t 0000:02:0c.2: pch_i2c_cb :PCH_I2CSR = 28 >>> [ 2.099903] i2c_eg20t 0000:02:0c.2: pch_i2c_repstart :I2CCTL = 3b0 >>> [ 2.099915] i2c_eg20t 0000:02:0c.2: pch_i2c_writebytes :return=1 >>> [ 2.101095] i2c i2c-0: master_xfer[0] W, addr=0x50, len=1 >>> [ 2.101107] i2c i2c-0: master_xfer[1] R, addr=0x50, len=24 >>> [ 2.101118] i2c_eg20t 0000:02:0c.2: pch_i2c_xfer >>> :adap->p_adapter_info->pch_i2c_suspended is 0 >>> [ 2.101128] i2c_eg20t 0000:02:0c.2: pch_i2c_xfer :After invoking >>> I2C_MODE_SEL :flag= 0x0 >>> [ 2.101138] i2c_eg20t 0000:02:0c.2: pch_i2c_xfer :invoking pch_i2c_writebytes >>> [ 2.101153] i2c_eg20t 0000:02:0c.2: pch_i2c_writebytes :I2CCTL = >>> 3b4 msgs->len = 1 >>> [ 2.122099] i2c_eg20t 0000:02:0c.2: pch_i2c_wait_for_bus_idle :I2CSR = 28 >>> [ 2.122116] i2c_eg20t 0000:02:0c.2: pch_i2c_wait_for_bus_idle >>> :pch_i2c_wait_for_bus_idle: Timeout Error.return-62 >>> [ 2.143103] i2c_eg20t 0000:02:0c.2: pch_i2c_init :I2CCTL=380 >>> pch_i2cbc=fc0 pch_i2ctmr=186a Enable interrupts >>> [ 2.145097] i2c i2c-0: master_xfer[0] W, addr=0x50, len=1 >>> [ 2.145112] i2c i2c-0: master_xfer[1] R, addr=0x50, len=24 >>> [ 2.145124] i2c_eg20t 0000:02:0c.2: pch_i2c_xfer >>> :adap->p_adapter_info->pch_i2c_suspended is 0 >>> [ 2.145135] i2c_eg20t 0000:02:0c.2: pch_i2c_xfer :After invoking >>> I2C_MODE_SEL :flag= 0x0 >>> [ 2.145145] i2c_eg20t 0000:02:0c.2: pch_i2c_xfer :invoking pch_i2c_writebytes >>> [ 2.145160] i2c_eg20t 0000:02:0c.2: pch_i2c_writebytes :I2CCTL = >>> 390 msgs->len = 1 >>> [ 2.145174] i2c_eg20t 0000:02:0c.2: pch_i2c_start :I2CCTL = 390 >>> [ 2.145530] i2c_eg20t 0000:02:0c.2: pch_i2c_cb :PCH_I2CSR = 28 >>> [ 2.145556] i2c_eg20t 0000:02:0c.2: pch_i2c_writebytes :writing 0 >>> to Data register >>> [ 2.145843] i2c_eg20t 0000:02:0c.2: pch_i2c_cb :PCH_I2CSR = 28 >>> [ 2.145874] i2c_eg20t 0000:02:0c.2: pch_i2c_repstart :I2CCTL = 3b0 >>> [ 2.145886] i2c_eg20t 0000:02:0c.2: pch_i2c_writebytes :return=1 >>> [ 2.147055] failed to read eeprom >>> >>> Any hints? Btw. the eg20t i2c driver works much better with the patch >>> series from 12. October. >>> >> >> We tested again for I2C EEPROM access using Linux-3.1.0-rc9. >> As a result, the test is OK. >> >> Let me know how to do your test ? >> >> -- >> tomoya >> ROHM Co., Ltd. >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-i2c" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html > Greets -- Christian Gmeiner, MSc -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
