ucc_geth: Implement Transmit on Demand support
Transmit on Demand: Fix spelling in config option, and make it actually enable TOD.
Signed-off-by: Michael Reiss <michael.f.reiss@freescale.com>
Signed-off-by: Michael Barkowski <michael.barkowski@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/arch/powerpc/sysdev/qe_lib/ucc_fast.c b/arch/powerpc/sysdev/qe_lib/ucc_fast.c
index a457ac1..66137bf 100644
--- a/arch/powerpc/sysdev/qe_lib/ucc_fast.c
+++ b/arch/powerpc/sysdev/qe_lib/ucc_fast.c
@@ -210,6 +210,9 @@
uf_regs = uccf->uf_regs;
uccf->p_ucce = (u32 *) & (uf_regs->ucce);
uccf->p_uccm = (u32 *) & (uf_regs->uccm);
+#ifdef CONFIG_UGETH_TX_ON_DEMAND
+ uccf->p_utodr = (u16 *) & (uf_regs->utodr);
+#endif
#ifdef STATISTICS
uccf->tx_frames = 0;
uccf->rx_frames = 0;
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 87d6975..545c405 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2292,8 +2292,8 @@
bool "Mac address filtering support"
depends on UCC_GETH
-config UGETH_TX_ON_DEMOND
- bool "Transmit on Demond support"
+config UGETH_TX_ON_DEMAND
+ bool "Transmit on Demand support"
depends on UCC_GETH
config MV643XX_ETH
diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c
index 1a16ab2..60844a6 100644
--- a/drivers/net/ucc_geth.c
+++ b/drivers/net/ucc_geth.c
@@ -1626,14 +1626,6 @@
}
-#ifdef CONFIG_UGETH_TX_ON_DEMOND
-static int ugeth_transmit_on_demand(struct ucc_geth_private *ugeth)
-{
- struct ucc_fastransmit_on_demand(ugeth->uccf);
-
- return 0;
-}
-#endif
static int ugeth_graceful_stop_tx(struct ucc_geth_private *ugeth)
{
@@ -3343,6 +3335,9 @@
static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct ucc_geth_private *ugeth = netdev_priv(dev);
+#ifdef CONFIG_UGETH_TX_ON_DEMAND
+ struct ucc_fast_private *uccf;
+#endif
u8 *bd; /* BD pointer */
u32 bd_status;
u8 txQ = 0;
@@ -3401,6 +3396,10 @@
out_be16(ugeth->p_cpucount[txQ], ugeth->cpucount[txQ]);
}
+#ifdef CONFIG_UGETH_TX_ON_DEMAND
+ uccf = ugeth->uccf;
+ out_be16(uccf->p_utodr, UCC_FAST_TOD);
+#endif
spin_unlock_irq(&ugeth->lock);
return 0;
diff --git a/include/asm-powerpc/ucc_fast.h b/include/asm-powerpc/ucc_fast.h
index 39d1c90..f529f70 100644
--- a/include/asm-powerpc/ucc_fast.h
+++ b/include/asm-powerpc/ucc_fast.h
@@ -159,6 +159,9 @@
struct ucc_fast *uf_regs; /* a pointer to memory map of UCC regs. */
u32 *p_ucce; /* a pointer to the event register in memory. */
u32 *p_uccm; /* a pointer to the mask register in memory. */
+#ifdef CONFIG_UGETH_TX_ON_DEMAND
+ u16 *p_utodr; /* pointer to the transmit on demand register */
+#endif
int enabled_tx; /* Whether channel is enabled for Tx (ENT) */
int enabled_rx; /* Whether channel is enabled for Rx (ENR) */
int stopped_tx; /* Whether channel has been stopped for Tx