diff options
Diffstat (limited to 'src/soc/intel/common/block/lpss/lpss.c')
| -rw-r--r-- | src/soc/intel/common/block/lpss/lpss.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/src/soc/intel/common/block/lpss/lpss.c b/src/soc/intel/common/block/lpss/lpss.c index 74c7aa15dc..6e33c0f94f 100644 --- a/src/soc/intel/common/block/lpss/lpss.c +++ b/src/soc/intel/common/block/lpss/lpss.c @@ -65,16 +65,12 @@ void lpss_clk_update(uintptr_t base, uint32_t clk_m_val, uint32_t clk_n_val) } /* Set controller power state to D0 or D3 */ -void lpss_set_power_state(const struct device *dev, enum lpss_pwr_state state) +void lpss_set_power_state(pci_devfn_t devfn, enum lpss_pwr_state state) { -#if defined(__SIMPLE_DEVICE__) - unsigned int devfn = dev->path.pci.devfn; - pci_devfn_t lpss_dev = PCI_DEV(0, PCI_SLOT(devfn), PCI_FUNC(devfn)); -#else - const struct device *lpss_dev = dev; -#endif - - pci_update_config8(lpss_dev, PME_CTRL_STATUS, ~POWER_STATE_MASK, state); + uint8_t reg8 = pci_s_read_config8(devfn, PME_CTRL_STATUS); + reg8 &= ~POWER_STATE_MASK; + reg8 |= state; + pci_s_write_config8(devfn, PME_CTRL_STATUS, reg8); } bool is_dev_lpss(const struct device *dev) |