diff options
Diffstat (limited to 'drivers/misc/mei/hw-me.c')
| -rw-r--r-- | drivers/misc/mei/hw-me.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c index 241eae550b0..56a9caa2e60 100644 --- a/drivers/misc/mei/hw-me.c +++ b/drivers/misc/mei/hw-me.c @@ -127,6 +127,7 @@ static void mei_me_hw_config(struct mei_device *dev) static inline enum mei_pg_state mei_me_pg_state(struct mei_device *dev) { struct mei_me_hw *hw = to_me_hw(dev); + return hw->pg_state; } @@ -139,6 +140,7 @@ static void mei_me_intr_clear(struct mei_device *dev) { struct mei_me_hw *hw = to_me_hw(dev); u32 hcsr = mei_hcsr_read(hw); + if ((hcsr & H_IS) == H_IS) mei_me_reg_write(hw, H_CSR, hcsr); } @@ -151,6 +153,7 @@ static void mei_me_intr_enable(struct mei_device *dev) { struct mei_me_hw *hw = to_me_hw(dev); u32 hcsr = mei_hcsr_read(hw); + hcsr |= H_IE; mei_hcsr_set(hw, hcsr); } @@ -164,6 +167,7 @@ static void mei_me_intr_disable(struct mei_device *dev) { struct mei_me_hw *hw = to_me_hw(dev); u32 hcsr = mei_hcsr_read(hw); + hcsr &= ~H_IE; mei_hcsr_set(hw, hcsr); } @@ -234,6 +238,7 @@ static int mei_me_hw_reset(struct mei_device *dev, bool intr_enable) static void mei_me_host_set_ready(struct mei_device *dev) { struct mei_me_hw *hw = to_me_hw(dev); + hw->host_hw_state = mei_hcsr_read(hw); hw->host_hw_state |= H_IE | H_IG | H_RDY; mei_hcsr_set(hw, hw->host_hw_state); @@ -247,6 +252,7 @@ static void mei_me_host_set_ready(struct mei_device *dev) static bool mei_me_host_is_ready(struct mei_device *dev) { struct mei_me_hw *hw = to_me_hw(dev); + hw->host_hw_state = mei_hcsr_read(hw); return (hw->host_hw_state & H_RDY) == H_RDY; } @@ -260,6 +266,7 @@ static bool mei_me_host_is_ready(struct mei_device *dev) static bool mei_me_hw_is_ready(struct mei_device *dev) { struct mei_me_hw *hw = to_me_hw(dev); + hw->me_hw_state = mei_me_mecsr_read(hw); return (hw->me_hw_state & ME_RDY_HRA) == ME_RDY_HRA; } @@ -283,6 +290,7 @@ static int mei_me_hw_ready_wait(struct mei_device *dev) static int mei_me_hw_start(struct mei_device *dev) { int ret = mei_me_hw_ready_wait(dev); + if (ret) return ret; dev_dbg(&dev->pdev->dev, "hw is ready\n"); @@ -390,6 +398,7 @@ static int mei_me_write_message(struct mei_device *dev, rem = length & 0x3; if (rem > 0) { u32 reg = 0; + memcpy(®, &buf[length - rem], rem); mei_me_reg_write(hw, H_CB_WW, reg); } @@ -448,6 +457,7 @@ static int mei_me_read_slots(struct mei_device *dev, unsigned char *buffer, if (buffer_length > 0) { u32 reg = mei_me_mecbrw_read(dev); + memcpy(reg_buf, ®, buffer_length); } @@ -465,6 +475,7 @@ static void mei_me_pg_enter(struct mei_device *dev) { struct mei_me_hw *hw = to_me_hw(dev); u32 reg = mei_me_reg_read(hw, H_HPG_CSR); + reg |= H_HPG_CSR_PGI; mei_me_reg_write(hw, H_HPG_CSR, reg); } @@ -732,6 +743,7 @@ static const struct mei_hw_ops mei_me_hw_ops = { static bool mei_me_fw_type_nm(struct pci_dev *pdev) { u32 reg; + pci_read_config_dword(pdev, PCI_CFG_HFS_2, ®); /* make sure that bit 9 (NM) is up and bit 10 (DM) is down */ return (reg & 0x600) == 0x200; |