On Thu, Oct 07, 2021 at 07:40:04PM +0300, Dmitry Osipenko wrote:
> 29.09.2021 09:22, LakshmiPraveen Kopparthi пишет:
...
> > +static int pci1xxxx_i2c_suspend(struct device *dev)
> > +{
> > + struct pci1xxxx_i2c *i2c = dev_get_drvdata(dev);
> > + struct pci_dev *pdev = to_pci_dev(dev);
How pdev is used?
> > + u32 regval;
> > +
> > + i2c_mark_adapter_suspended(&i2c->adap);
> > +
> > + pci1xxxx_ack_high_level_intr(i2c, ALL_HIGH_LAYER_INTR);
> > + pci1xxxx_i2c_config_high_level_intr(i2c, ALL_HIGH_LAYER_INTR, false);
> > +
> > + /*
> > + * Enable the PERST_DIS bit to mask the PERST from
> > + * resetting the core regs
> > + */
> > + regval = readl(i2c->i2c_base + SMBUS_RESET_REG);
> > + regval |= PERI_SMBUS_D3_RESET_DIS;
> > + writel(regval, i2c->i2c_base + SMBUS_RESET_REG);
> > +
> > + return 0;
> > +}
> > +
> > +static int pci1xxxx_i2c_resume(struct device *dev)
> > +{
> > + struct pci1xxxx_i2c *i2c = dev_get_drvdata(dev);
> > + struct pci_dev *pdev = to_pci_dev(dev);
Ditto.
> > + u32 regval;
> > +
> > + i2c_mark_adapter_resumed(&i2c->adap);
> > +
> > + regval = readl(i2c->i2c_base + SMBUS_RESET_REG);
> > + regval &= ~PERI_SMBUS_D3_RESET_DIS;
> > + writel(regval, i2c->i2c_base + SMBUS_RESET_REG);
> > +
> > + return 0;
> > +}
--
With Best Regards,
Andy Shevchenko
