net: Kirkwood_egiga.c bugfixes for rx path
Cosmetic changes: Few comments updated
Functionality: Rx packet frame size is programming should
be done when port is in disabled state. this is corrected
Signed-off-by: Prafulla Wadaskar <prafulla@marvell.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
diff --git a/drivers/net/kirkwood_egiga.c b/drivers/net/kirkwood_egiga.c
index 25c72df..dd711e4 100644
--- a/drivers/net/kirkwood_egiga.c
+++ b/drivers/net/kirkwood_egiga.c
@@ -424,8 +424,6 @@
KWGBEREG_WR(regs->pxc, PRT_CFG_VAL);
KWGBEREG_WR(regs->pxcx, PORT_CFG_EXTEND_VALUE);
KWGBEREG_WR(regs->psc0, PORT_SERIAL_CONTROL_VALUE);
- /* Disable port initially */
- KWGBEREG_BITS_SET(regs->psc0, KWGBE_SERIAL_PORT_EN);
/* Assign port SDMA configuration */
KWGBEREG_WR(regs->sdc, PORT_SDMA_CFG_VALUE);
@@ -438,6 +436,9 @@
KWGBEREG_WR(regs->psc0, KWGBE_MAX_RX_PACKET_9700BYTE
| (KWGBEREG_RD(regs->psc0) & MRU_MASK));
+ /* Enable port initially */
+ KWGBEREG_BITS_SET(regs->psc0, KWGBE_SERIAL_PORT_EN);
+
/*
* Set ethernet MTU for leaky bucket mechanism to 0 - this will
* disable the leaky bucket mechanism .
@@ -480,7 +481,7 @@
stop_queue(®s->tqc);
stop_queue(®s->rqc);
- /* Enable port */
+ /* Disable port */
KWGBEREG_BITS_RESET(regs->psc0, KWGBE_SERIAL_PORT_EN);
/* Set port is not reset */
KWGBEREG_BITS_RESET(regs->psc1, 1 << 4);
@@ -525,7 +526,7 @@
p_txdesc->buf_ptr = (u8 *) p;
p_txdesc->byte_cnt = datasize;
- /* Apply send command using zeroth RXUQ */
+ /* Apply send command using zeroth TXUQ */
KWGBEREG_WR(regs->tcqdp[TXUQ], (u32) p_txdesc);
KWGBEREG_WR(regs->tqc, (1 << TXUQ));