diff options
Diffstat (limited to 'drivers/misc/habanalabs/habanalabs.h')
| -rw-r--r-- | drivers/misc/habanalabs/habanalabs.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/misc/habanalabs/habanalabs.h b/drivers/misc/habanalabs/habanalabs.h index a624d1e1e1e5..65717e4055da 100644 --- a/drivers/misc/habanalabs/habanalabs.h +++ b/drivers/misc/habanalabs/habanalabs.h @@ -487,7 +487,8 @@ enum hl_pll_frequency { * @send_cpu_message: send buffer to ArmCP. * @get_hw_state: retrieve the H/W state * @pci_bars_map: Map PCI BARs. - * @set_dram_bar_base: Set DRAM BAR to map specific device address. + * @set_dram_bar_base: Set DRAM BAR to map specific device address. Returns + * old address the bar pointed to or U64_MAX for failure * @init_iatu: Initialize the iATU unit inside the PCI controller. * @rreg: Read a register. Needed for simulator support. * @wreg: Write a register. Needed for simulator support. @@ -564,7 +565,7 @@ struct hl_asic_funcs { u16 len, u32 timeout, long *result); enum hl_device_hw_state (*get_hw_state)(struct hl_device *hdev); int (*pci_bars_map)(struct hl_device *hdev); - int (*set_dram_bar_base)(struct hl_device *hdev, u64 addr); + u64 (*set_dram_bar_base)(struct hl_device *hdev, u64 addr); int (*init_iatu)(struct hl_device *hdev); u32 (*rreg)(struct hl_device *hdev, u32 reg); void (*wreg)(struct hl_device *hdev, u32 reg, u32 val); |