Hi Terry, On Sun, 30 Jan 2022 12:41:27 -0600, Terry Bowman wrote: > EFCH cd6h/cd7h port I/O may no longer be available on later AMD > processors and it is recommended to use MMIO instead. Update the > request and release functions to support MMIO. > > MMIO request/release and mmapping require details during cleanup. > Add a MMIO configuration structure containing resource and vaddress > details for mapping the region, accessing the region, and releasing > the region. > > Signed-off-by: Terry Bowman <terry.bowman@xxxxxxx> > --- > drivers/i2c/busses/i2c-piix4.c | 61 ++++++++++++++++++++++++++++++---- > 1 file changed, 55 insertions(+), 6 deletions(-) > (...) > @@ -880,6 +928,7 @@ static int piix4_add_adapter(struct pci_dev *dev, unsigned short smba, > return -ENOMEM; > } > > + adapdata->mmio_cfg.use_mmio = 0; Useless initialization, as the adapdata structure has just been zalloc'd. > adapdata->smba = smba; > adapdata->sb800_main = sb800_main; > adapdata->port = port << piix4_port_shift_sb800; -- Jean Delvare SUSE L3 Support
