From: Oded Gabbay <ogabbay@kernel.org>
Date: Wed, 26 May 2021 08:14:21 +0000 (+0300)
Subject: habanalabs: prefer ASYNC device probing
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=135ade0c6afccbe874bdda811201733e5b57c9bc;p=linux.git

habanalabs: prefer ASYNC device probing

There is no dependency when probing multiple devices so indicate to the
kernel that it can probe our devices in ASYNC fashion.

This shortens insmod of the driver from ~2 minutes to 20 seconds on
a system with 8 devices.

Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
---

diff --git a/drivers/misc/habanalabs/common/habanalabs_drv.c b/drivers/misc/habanalabs/common/habanalabs_drv.c
index bd67d4ceab562..137e7dc63d3b5 100644
--- a/drivers/misc/habanalabs/common/habanalabs_drv.c
+++ b/drivers/misc/habanalabs/common/habanalabs_drv.c
@@ -574,7 +574,11 @@ static struct pci_driver hl_pci_driver = {
 	.probe = hl_pci_probe,
 	.remove = hl_pci_remove,
 	.shutdown = hl_pci_remove,
-	.driver.pm = &hl_pm_ops,
+	.driver = {
+		.name = HL_NAME,
+		.pm = &hl_pm_ops,
+		.probe_type = PROBE_PREFER_ASYNCHRONOUS,
+	},
 	.err_handler = &hl_pci_err_handler,
 };