[PATCH v2 5/6] net/wan/fsl_ucc_hdlc: GUMR for non tsa mode
David Gounaris
david.gounaris at infinera.com
Wed Aug 29 23:13:27 AEST 2018
The following bits in the GUMR is changed for non
tsa mode: CDS, CTSP and CTSS are set to zero.
When set, there is no tx interrupts from the controller.
Signed-off-by: David Gounaris <david.gounaris at infinera.com>
---
drivers/net/wan/fsl_ucc_hdlc.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c
index be5b0096af3b..248f1f5bcd04 100644
--- a/drivers/net/wan/fsl_ucc_hdlc.c
+++ b/drivers/net/wan/fsl_ucc_hdlc.c
@@ -97,6 +97,13 @@ static int uhdlc_init(struct ucc_hdlc_private *priv)
if (priv->tsa) {
uf_info->tsa = 1;
uf_info->ctsp = 1;
+ uf_info->cds = 1;
+ uf_info->ctss = 1;
+ }
+ else {
+ uf_info->cds = 0;
+ uf_info->ctsp = 0;
+ uf_info->ctss = 0;
}
/* This sets HPM register in CMXUCR register which configures a
--
2.13.6
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