diff options
| author | Luo bin <luobin9@huawei.com> | 2020-07-25 15:11:19 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-07-28 17:22:03 -0700 |
| commit | 90f86b8a36c065286b743eed29661fc5cd00d342 (patch) | |
| tree | bd31c8c31bcab46bf94529b0de0232f2d8af24db /drivers/net/ethernet/huawei/hinic/hinic_hw_if.h | |
| parent | c15850c709eb5c7771785c9174e4908d1806a0f0 (diff) | |
hinic: add log in exception handling processes
improve the error message when functions return failure and dump
relevant registers in some exception handling processes
Signed-off-by: Luo bin <luobin9@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/huawei/hinic/hinic_hw_if.h')
| -rw-r--r-- | drivers/net/ethernet/huawei/hinic/hinic_hw_if.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/ethernet/huawei/hinic/hinic_hw_if.h b/drivers/net/ethernet/huawei/hinic/hinic_hw_if.h index 0872e035faa1..c06f2253151e 100644 --- a/drivers/net/ethernet/huawei/hinic/hinic_hw_if.h +++ b/drivers/net/ethernet/huawei/hinic/hinic_hw_if.h @@ -12,6 +12,8 @@ #include <linux/types.h> #include <asm/byteorder.h> +#define HINIC_PCIE_LINK_DOWN 0xFFFFFFFF + #define HINIC_DMA_ATTR_ST_SHIFT 0 #define HINIC_DMA_ATTR_AT_SHIFT 8 #define HINIC_DMA_ATTR_PH_SHIFT 10 @@ -249,13 +251,17 @@ struct hinic_hwif { static inline u32 hinic_hwif_read_reg(struct hinic_hwif *hwif, u32 reg) { - return be32_to_cpu(readl(hwif->cfg_regs_bar + reg)); + u32 out = readl(hwif->cfg_regs_bar + reg); + + return be32_to_cpu(*(__be32 *)&out); } static inline void hinic_hwif_write_reg(struct hinic_hwif *hwif, u32 reg, u32 val) { - writel(cpu_to_be32(val), hwif->cfg_regs_bar + reg); + __be32 in = cpu_to_be32(val); + + writel(*(u32 *)&in, hwif->cfg_regs_bar + reg); } int hinic_msix_attr_set(struct hinic_hwif *hwif, u16 msix_index, |