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net/wan/fsl_ucc_hdlc: GUMR for non tsa mode 

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@infinera.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Gounaris 2018-09-03 14:47:29 +02:00 committed by David S. Miller
parent 045f77baf6
commit 040b7c94e4
1 changed files with 6 additions and 0 deletions
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6
drivers/net/wan/fsl_ucc_hdlc.c
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@ -97,6 +97,12 @@ static int uhdlc_init(struct ucc_hdlc_private *priv)
if (priv->tsa) { if (priv->tsa) {
uf_info->tsa = 1; uf_info->tsa = 1;
uf_info->ctsp = 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 /* This sets HPM register in CMXUCR register which configures a