From: yegorslists@googlemail.com
To: barebox@lists.infradead.org
Subject: [PATCH] net: cpsw: increase a delay before reading the ALIVE register
Date: Fri, 9 Jun 2023 11:02:17 +0200 [thread overview]
Message-ID: <20230609090217.2492987-1-yegorslists@googlemail.com> (raw)
From: Yegor Yefremov <yegorslists@googlemail.com>
At leasr am335x, the delay is not enough to reliably detect all PHYs.
Hence, increase the timeout.
Tested with the followings PHYs:
- MotorComm YT8511
- Atheros AT8035
- CPlus IP101A
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
---
drivers/net/cpsw.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/cpsw.c b/drivers/net/cpsw.c
index 0449240f98..fdf6ff1e8e 100644
--- a/drivers/net/cpsw.c
+++ b/drivers/net/cpsw.c
@@ -620,7 +620,7 @@ static int cpsw_mdio_probe(struct device *dev)
* silicon. Since the effect of (b) was found to be largely
* negligible, we keep things simple here.
*/
- udelay(1000);
+ udelay(2000);
start = get_time_ns();
while (1) {
--
2.34.1
next reply other threads:[~2023-06-09 9:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-09 9:02 yegorslists [this message]
2023-06-12 6:28 ` Sascha Hauer
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