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authorNiklas Cassel <niklas.cassel@axis.com>2016-11-24 15:36:33 +0100
committerDavid S. Miller <davem@davemloft.net>2016-11-29 19:10:47 -0500
commit436feafe95cc2de3e1a56a0679c80291e1776894 (patch)
tree1beb1890773e1958ae1c312dbd0f97d517eb4090 /drivers/net/ethernet/stmicro/stmmac/dwmac4.h
parent530742e707190b585f0874876ad1fcac9a0abbcb (diff)
net: stmmac: enable tx queue 0 for gmac4 IPs synthesized with multiple TX queues
The dwmac4 IP can synthesized with 1-8 number of tx queues. On an IP synthesized with DWC_EQOS_NUM_TXQ > 1, all txqueues are disabled by default. For these IPs, the bitfield TXQEN is R/W. Always enable tx queue 0. The write will have no effect on IPs synthesized with DWC_EQOS_NUM_TXQ == 1. The driver does still not utilize more than one tx queue in the IP. Signed-off-by: Niklas Cassel <niklas.cassel@axis.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/dwmac4.h')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac4.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4.h b/drivers/net/ethernet/stmicro/stmmac/dwmac4.h
index 6f4f5ce25114..3e8d4fefa5e0 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4.h
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4.h
@@ -155,8 +155,11 @@ enum power_event {
#define MTL_CHAN_RX_DEBUG(x) (MTL_CHANX_BASE_ADDR(x) + 0x38)
#define MTL_OP_MODE_RSF BIT(5)
+#define MTL_OP_MODE_TXQEN BIT(3)
#define MTL_OP_MODE_TSF BIT(1)
+#define MTL_OP_MODE_TQS_MASK GENMASK(24, 16)
+
#define MTL_OP_MODE_TTC_MASK 0x70
#define MTL_OP_MODE_TTC_SHIFT 4