diff options
Diffstat (limited to 'drivers/misc/mei/hw-me.c')
| -rw-r--r-- | drivers/misc/mei/hw-me.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c index e2fb44cc5c37..56c2101e80ad 100644 --- a/drivers/misc/mei/hw-me.c +++ b/drivers/misc/mei/hw-me.c @@ -18,6 +18,7 @@ #include <linux/kthread.h> #include <linux/interrupt.h> +#include <linux/pm_runtime.h> #include "mei_dev.h" #include "hbm.h" @@ -1063,6 +1064,8 @@ static int mei_me_hw_reset(struct mei_device *dev, bool intr_enable) } } + pm_runtime_set_active(dev->dev); + hcsr = mei_hcsr_read(dev); /* H_RST may be found lit before reset is started, * for example if preceding reset flow hasn't completed. @@ -1263,8 +1266,14 @@ static bool mei_me_fw_type_nm(struct pci_dev *pdev) static bool mei_me_fw_type_sps(struct pci_dev *pdev) { u32 reg; - /* Read ME FW Status check for SPS Firmware */ - pci_read_config_dword(pdev, PCI_CFG_HFS_1, ®); + unsigned int devfn; + + /* + * Read ME FW Status register to check for SPS Firmware + * The SPS FW is only signaled in pci function 0 + */ + devfn = PCI_DEVFN(PCI_SLOT(pdev->devfn), 0); + pci_bus_read_config_dword(pdev->bus, devfn, PCI_CFG_HFS_1, ®); trace_mei_pci_cfg_read(&pdev->dev, "PCI_CFG_HFS_1", PCI_CFG_HFS_1, reg); /* if bits [19:16] = 15, running SPS Firmware */ return (reg & 0xf0000) == 0xf0000; |