b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -203,6 +203,7 @@ enum core_specific_irq_mask {
core_irq_tx_path_exit_lpi_mode = 32,
core_irq_rx_path_in_lpi_mode = 64,
core_irq_rx_path_exit_lpi_mode = 128,
+ core_irq_pcs_autoneg_complete = 256,
};
/* DMA HW capabilities */
b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
@@ -222,6 +222,11 @@ static int dwmac1000_irq_status(void __iomem *ioaddr)
readl(ioaddr + GMAC_PMT);
status |= core_irq_receive_pmt_irq;
}
+ if (unlikely(intr_status & pcs_ane_irq)) {
+ CHIP_DBG(KERN_INFO "GMAC: PCS Auto-negotiation complete\n");
+ readl(ioaddr + GMAC_AN_STATUS);
+ status |= core_irq_pcs_autoneg_complete;
+ }
/* MAC trx/rx EEE LPI entry/exit interrupts */
if (intr_status & lpiis_irq) {
/* Clean LPI interrupt by reading the Reg 12 */
b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
@@ -93,6 +93,7 @@ struct stmmac_priv {
u32 tx_coal_timer;
int use_riwt;
u32 rx_riwt;
+ bool core_pcs_an;
};
extern int phyaddr;
b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1623,6 +1623,8 @@ static irqreturn_t stmmac_interrupt(int irq, void
*dev_id)
priv->xstats.mmc_rx_csum_offload_irq_n++;
if (status & core_irq_receive_pmt_irq)
priv->xstats.irq_receive_pmt_irq_n++;
+ if (status & core_irq_pcs_autoneg_complete)
+ priv->core_pcs_an = true;
/* For LPI we need to save the tx status */
This patch adds auto-negotiation complete irq and ISR. when the irq is occured it read GMAC_AN_STATUS register to clear PCSANCIS bit. Singed-off-by: Byungho An <bh74.an@samsung.com> --- drivers/net/ethernet/stmicro/stmmac/common.h | 1 + drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c | 5 +++++ drivers/net/ethernet/stmicro/stmmac/stmmac.h | 1 + drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 2 ++ 4 files changed, 9 insertions(+) if (status & core_irq_tx_path_in_lpi_mode) {