On Tue, Aug 25, 2015 at 01:05:01PM +0200, Christian Fetzer wrote: > This is an attempt to upstream the patches created by Thomas Brandon and > Eddi De Pieri to support the multiplexed main SMBus interface on the SB800 > chipset. (https://www.mail-archive.com/linux-i2c@xxxxxxxxxxxxxxx/msg06757.html) > > I have mainly rebased the latest patch version and tested the driver on a > HP ProLiant MicroServer G7 N54L (where this patch allows to access sensor data > from a w83795adg). > > The patched driver is running stable on the machine, given that ic2_piix4 is > loaded before jc42 and w83795. If jc42 is loaded before i2c_piix4 calling > sensors triggers some errors: > ERROR: Can't get value of subfeature temp1_min_alarm: Can't read > > While the kernel log shows: > i2c i2c-1: Transaction (pre): CNT=0c, CMD=05, ADD=31, DAT0=03, DAT1=c0 > i2c i2c-1: Error: no response! > i2c i2c-1: Transaction (post): CNT=0c, CMD=05, ADD=31, DAT0=ff, DAT1=ff > Unfortunately I don't know how to tackle this specific issue. > > Please review and let me know required changes in order to get this upstream > finally. > > Eddi, Thomas, it would be great if you could verify the changes on your > machines. Yes, additional tests are always good for a patch series Asking the Intel guys for help, I have not much expierence with x86 platforms... Mika, Jarkko, Andy any chance to help? > > Regards, > Christian > > Christian Fetzer (4): > i2c-piix4: Optionally release smba in piix4_adap_remove > i2c-piix4: Convert piix4_main_adapter to array > i2c-piix4: Add support for multiplexed main adapter in SB800 > i2c-piix4: Add adapter port name support for SB800 chipset > > drivers/i2c/busses/i2c-piix4.c | 151 ++++++++++++++++++++++++++++++++++++----- > 1 file changed, 134 insertions(+), 17 deletions(-) > > -- > 1.9.1 > > -- > 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
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