Messages in this thread Patch in this message |  | | From | Oded Gabbay <> | Subject | [PATCH 1/4] habanalabs: ignore device unusable status | Date | Sun, 2 May 2021 18:51:37 +0300 |
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Some users might want to implement their own policy of when the device is unusable so we need to ignore this status in the driver and continue loading as normal.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org> --- drivers/misc/habanalabs/common/firmware_if.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c index fc10cc06f401..a265753f2a53 100644 --- a/drivers/misc/habanalabs/common/firmware_if.c +++ b/drivers/misc/habanalabs/common/firmware_if.c @@ -441,9 +441,9 @@ static int fw_read_errors(struct hl_device *hdev, u32 boot_err0_reg, } if (err_val & CPU_BOOT_ERR0_DEVICE_UNUSABLE_FAIL) { - dev_err(hdev->dev, - "Device boot error - device unusable\n"); - err_exists = true; + /* Ignore this bit, don't prevent driver loading */ + dev_dbg(hdev->dev, "device unusable status is set\n"); + err_val &= ~CPU_BOOT_ERR0_DEVICE_UNUSABLE_FAIL; } security_val = RREG32(cpu_security_boot_status_reg); -- 2.25.1
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