[PATCH 3/3] i2c: owl: Enable asynchronous probing

Cristian Ciocaltea cristian.ciocaltea at gmail.com
Thu Oct 8 14:44:41 PDT 2020


Speed up the boot process by using the asynchronous probing feature
supported by the recent kernels.

For SBCs based on the Actions Semi S500 SoC, the overall boot time is
expected to be reduced by 200-300 ms.

Suggested-by: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea at gmail.com>
---
 drivers/i2c/busses/i2c-owl.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/i2c/busses/i2c-owl.c b/drivers/i2c/busses/i2c-owl.c
index 547132768119..ed3942051845 100644
--- a/drivers/i2c/busses/i2c-owl.c
+++ b/drivers/i2c/busses/i2c-owl.c
@@ -521,6 +521,7 @@ static struct platform_driver owl_i2c_driver = {
 	.driver		= {
 		.name	= "owl-i2c",
 		.of_match_table = of_match_ptr(owl_i2c_of_match),
+		.probe_type = PROBE_PREFER_ASYNCHRONOUS,
 	},
 };
 module_platform_driver(owl_i2c_driver);
-- 
2.28.0




More information about the linux-actions mailing list