[PATCH 5.10 070/152] habanalabs/gaudi: retry loading TPC f/w on -EINTR
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-01-18 14:23:53
Also in:
lkml
Subsystem:
char and misc drivers, the rest · Maintainers:
Arnd Bergmann, Greg Kroah-Hartman, Linus Torvalds
From: Oded Gabbay <ogabbay@kernel.org> [ Upstream commit 98e8781f008372057bd5cb059ca6b507371e473d ] 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> Signed-off-by: Sasha Levin <sashal@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 36f0bb7154ab9..ed1bd41262ecd 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi.c
+++ b/drivers/misc/habanalabs/gaudi/gaudi.c@@ -754,11 +754,17 @@ 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; }
--
2.27.0