diff options
Diffstat (limited to 'drivers/ntb')
| -rw-r--r-- | drivers/ntb/hw/amd/ntb_hw_amd.c | 11 | ||||
| -rw-r--r-- | drivers/ntb/hw/amd/ntb_hw_amd.h | 2 |
2 files changed, 5 insertions, 8 deletions
diff --git a/drivers/ntb/hw/amd/ntb_hw_amd.c b/drivers/ntb/hw/amd/ntb_hw_amd.c index f50537e0917b..84723420d70b 100644 --- a/drivers/ntb/hw/amd/ntb_hw_amd.c +++ b/drivers/ntb/hw/amd/ntb_hw_amd.c @@ -246,7 +246,7 @@ static int amd_ntb_get_link_status(struct amd_ntb_dev *ndev) static int amd_link_is_up(struct amd_ntb_dev *ndev) { if (!ndev->peer_sta) - return NTB_LNK_STA_ACTIVE(ndev->cntl_sta); + return ndev->cntl_sta; if (ndev->peer_sta & AMD_LINK_UP_EVENT) { ndev->peer_sta = 0; @@ -896,16 +896,15 @@ static int amd_poll_link(struct amd_ntb_dev *ndev) u32 reg; reg = readl(mmio + AMD_SIDEINFO_OFFSET); - reg &= NTB_LIN_STA_ACTIVE_BIT; + reg &= AMD_SIDE_READY; dev_dbg(&ndev->ntb.pdev->dev, "%s: reg_val = 0x%x.\n", __func__, reg); - if (reg == ndev->cntl_sta) - return 0; - ndev->cntl_sta = reg; - return amd_ntb_get_link_status(ndev); + amd_ntb_get_link_status(ndev); + + return ndev->cntl_sta; } static void amd_link_hb(struct work_struct *work) diff --git a/drivers/ntb/hw/amd/ntb_hw_amd.h b/drivers/ntb/hw/amd/ntb_hw_amd.h index 39e5d18e12ff..156a4a92b803 100644 --- a/drivers/ntb/hw/amd/ntb_hw_amd.h +++ b/drivers/ntb/hw/amd/ntb_hw_amd.h @@ -53,10 +53,8 @@ #include <linux/pci.h> #define AMD_LINK_HB_TIMEOUT msecs_to_jiffies(1000) -#define NTB_LIN_STA_ACTIVE_BIT 0x00000002 #define NTB_LNK_STA_SPEED_MASK 0x000F0000 #define NTB_LNK_STA_WIDTH_MASK 0x03F00000 -#define NTB_LNK_STA_ACTIVE(x) (!!((x) & NTB_LIN_STA_ACTIVE_BIT)) #define NTB_LNK_STA_SPEED(x) (((x) & NTB_LNK_STA_SPEED_MASK) >> 16) #define NTB_LNK_STA_WIDTH(x) (((x) & NTB_LNK_STA_WIDTH_MASK) >> 20) |