Messages in this thread Patch in this message |  | | From | Oded Gabbay <> | Subject | [PATCH] habanalabs/gaudi: retry loading TPC f/w on -EINTR | Date | Tue, 29 Dec 2020 23:03:36 +0200 |
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If loading the firmware file for the TPC f/w was interrupted, try to do it again, up to 5 times.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org> --- drivers/misc/habanalabs/gaudi/gaudi.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index 88d0e4356d59..8c09e4466af8 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -838,11 +838,17 @@ static int gaudi_init_tpc_mem(struct hl_device *hdev) size_t fw_size; void *cpu_addr; dma_addr_t dma_handle; - int rc; + int rc, count = 5; +again: rc = request_firmware(&fw, GAUDI_TPC_FW_FILE, hdev->dev); + if (rc == -EINTR && count-- > 0) { + msleep(50); + goto again; + } + if (rc) { - dev_err(hdev->dev, "Firmware file %s is not found!\n", + dev_err(hdev->dev, "Failed to load firmware file %s\n", GAUDI_TPC_FW_FILE); goto out; } -- 2.25.1
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