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authorVivien Didelot2019-08-09 18:47:59 -0400
committerDavid S. Miller2019-08-11 21:27:15 -0700
commiteede236112b7ea4d9a7c2f2af2ac6648699b88f3 (patch)
tree837a76ba3252c623c95063f1797fc656b125e3cd
parent1c6463b6fc36f2261df1a68ee13a5ebd980914b1 (diff)
net: dsa: mv88e6xxx: add delay in direct SMI wait
The mv88e6xxx_smi_direct_wait routine is used to wait on indirect registers access. It is of no exception and must delay between read attempts, like other wait routines. Signed-off-by: Vivien Didelot <vivien.didelot@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/dsa/mv88e6xxx/smi.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/smi.c b/drivers/net/dsa/mv88e6xxx/smi.c
index 18e87a5a20a3..282fe08db050 100644
--- a/drivers/net/dsa/mv88e6xxx/smi.c
+++ b/drivers/net/dsa/mv88e6xxx/smi.c
@@ -66,6 +66,8 @@ static int mv88e6xxx_smi_direct_wait(struct mv88e6xxx_chip *chip,
if (!!(data & BIT(bit)) == !!val)
return 0;
+
+ usleep_range(1000, 2000);
}
return -ETIMEDOUT;