Commit f704177e authored by Stefan Chulski's avatar Stefan Chulski Committed by David S. Miller
Browse files

net: mvpp2: improve Packet Processor version check 



Use >= MVPP22 instead of != MVPP21.
Non functional change.

Signed-off-by: default avatarStefan Chulski <stefanc@marvell.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8b986866

drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c

+18 −18
Original line number Diff line number Diff line
@@ -329,7 +329,7 @@ static int mvpp2_get_nrxqs(struct mvpp2 *priv) 
{

	unsigned int nrxqs;



	if (priv->hw_version != MVPP21 && queue_mode == MVPP2_QDIST_SINGLE_MODE)

	if (priv->hw_version >= MVPP22 && queue_mode == MVPP2_QDIST_SINGLE_MODE)

		return 1;



	/* According to the PPv2.2 datasheet and our experiments on
@@ -469,7 +469,7 @@ static void mvpp2_bm_bufs_get_addrs(struct device *dev, struct mvpp2 *priv, 
				      MVPP2_BM_PHY_ALLOC_REG(bm_pool->id));

	*phys_addr = mvpp2_thread_read(priv, thread, MVPP2_BM_VIRT_ALLOC_REG);



	if (priv->hw_version != MVPP21) {

	if (priv->hw_version >= MVPP22) {

		u32 val;

		u32 dma_addr_highbits, phys_addr_highbits;
@@ -963,7 +963,7 @@ static inline void mvpp2_bm_pool_put(struct mvpp2_port *port, int pool, 
	if (test_bit(thread, &port->priv->lock_map))

		spin_lock_irqsave(&port->bm_lock[thread], flags);



	if (port->priv->hw_version != MVPP21) {

	if (port->priv->hw_version >= MVPP22) {

		u32 val = 0;



		if (sizeof(dma_addr_t) == 8)
@@ -1462,7 +1462,7 @@ static bool mvpp2_port_supports_xlg(struct mvpp2_port *port) 


static bool mvpp2_port_supports_rgmii(struct mvpp2_port *port)

{

	return !(port->priv->hw_version != MVPP21 && port->gop_id == 0);

	return !(port->priv->hw_version >= MVPP22 && port->gop_id == 0);

}



/* Port configuration routines */
@@ -2125,7 +2125,7 @@ static void mvpp2_mac_reset_assert(struct mvpp2_port *port) 
	      MVPP2_GMAC_PORT_RESET_MASK;

	writel(val, port->base + MVPP2_GMAC_CTRL_2_REG);



	if (port->priv->hw_version != MVPP21 && port->gop_id == 0) {

	if (port->priv->hw_version >= MVPP22 && port->gop_id == 0) {

		val = readl(port->base + MVPP22_XLG_CTRL0_REG) &

		      ~MVPP22_XLG_CTRL0_MAC_RESET_DIS;

		writel(val, port->base + MVPP22_XLG_CTRL0_REG);
@@ -4016,7 +4016,7 @@ static void mvpp2_txdesc_clear_ptp(struct mvpp2_port *port, 
				   struct mvpp2_tx_desc *desc)

{

	/* We only need to clear the low bits */

	if (port->priv->hw_version != MVPP21)

	if (port->priv->hw_version >= MVPP22)

		desc->pp22.ptp_descriptor &=

			cpu_to_le32(~MVPP22_PTP_DESC_MASK_LOW);

}
@@ -4528,7 +4528,7 @@ static void mvpp2_start_dev(struct mvpp2_port *port) 
	/* Enable interrupts on all threads */

	mvpp2_interrupts_enable(port);



	if (port->priv->hw_version != MVPP21)

	if (port->priv->hw_version >= MVPP22)

		mvpp22_mode_reconfigure(port);



	if (port->phylink) {
@@ -4746,7 +4746,7 @@ static int mvpp2_open(struct net_device *dev) 
		valid = true;

	}



	if (priv->hw_version != MVPP21 && port->port_irq) {

	if (priv->hw_version >= MVPP22 && port->port_irq) {

		err = request_irq(port->port_irq, mvpp2_port_isr, 0,

				  dev->name, port);

		if (err) {
@@ -6399,7 +6399,7 @@ static int mvpp2__mac_prepare(struct phylink_config *config, unsigned int mode, 
			     MVPP2_GMAC_PORT_RESET_MASK,

			     MVPP2_GMAC_PORT_RESET_MASK);



		if (port->priv->hw_version != MVPP21) {

		if (port->priv->hw_version >= MVPP22) {

			mvpp22_gop_mask_irq(port);



			phy_power_off(port->comphy);
@@ -6453,7 +6453,7 @@ static int mvpp2_mac_finish(struct phylink_config *config, unsigned int mode, 
{

	struct mvpp2_port *port = mvpp2_phylink_to_port(config);



	if (port->priv->hw_version != MVPP21 &&

	if (port->priv->hw_version >= MVPP22 &&

	    port->phy_interface != interface) {

		port->phy_interface = interface;
@@ -7200,7 +7200,7 @@ static int mvpp2_init(struct platform_device *pdev, struct mvpp2 *priv) 
	if (dram_target_info)

		mvpp2_conf_mbus_windows(dram_target_info, priv);



	if (priv->hw_version != MVPP21)

	if (priv->hw_version >= MVPP22)

		mvpp2_axi_init(priv);



	/* Disable HW PHY polling */
@@ -7350,7 +7350,7 @@ static int mvpp2_probe(struct platform_device *pdev) 
			priv->global_tx_fc = true;

	}



	if (priv->hw_version != MVPP21 && dev_of_node(&pdev->dev)) {

	if (priv->hw_version >= MVPP22 && dev_of_node(&pdev->dev)) {

		priv->sysctrl_base =

			syscon_regmap_lookup_by_phandle(pdev->dev.of_node,

							"marvell,system-controller");
@@ -7363,7 +7363,7 @@ static int mvpp2_probe(struct platform_device *pdev) 
			priv->sysctrl_base = NULL;

	}



	if (priv->hw_version != MVPP21 &&

	if (priv->hw_version >= MVPP22 &&

	    mvpp2_get_nrxqs(priv) * 2 <= MVPP2_BM_MAX_POOLS)

		priv->percpu_pools = 1;
@@ -7408,7 +7408,7 @@ static int mvpp2_probe(struct platform_device *pdev) 
		if (err < 0)

			goto err_pp_clk;



		if (priv->hw_version != MVPP21) {

		if (priv->hw_version >= MVPP22) {

			priv->mg_clk = devm_clk_get(&pdev->dev, "mg_clk");

			if (IS_ERR(priv->mg_clk)) {

				err = PTR_ERR(priv->mg_clk);
@@ -7449,7 +7449,7 @@ static int mvpp2_probe(struct platform_device *pdev) 
		return -EINVAL;

	}



	if (priv->hw_version != MVPP21) {

	if (priv->hw_version >= MVPP22) {

		err = dma_set_mask(&pdev->dev, MVPP2_DESC_DMA_MASK);

		if (err)

			goto err_axi_clk;
@@ -7514,7 +7514,7 @@ static int mvpp2_probe(struct platform_device *pdev) 
		goto err_port_probe;

	}



	if (priv->global_tx_fc && priv->hw_version != MVPP21) {

	if (priv->global_tx_fc && priv->hw_version >= MVPP22) {

		err = mvpp2_enable_global_fc(priv);

		if (err)

			dev_warn(&pdev->dev, "Minimum of CM3 firmware 18.09 and chip revision B0 required for flow control\n");
@@ -7536,10 +7536,10 @@ static int mvpp2_probe(struct platform_device *pdev) 
	clk_disable_unprepare(priv->axi_clk);



err_mg_core_clk:

	if (priv->hw_version != MVPP21)

	if (priv->hw_version >= MVPP22)

		clk_disable_unprepare(priv->mg_core_clk);

err_mg_clk:

	if (priv->hw_version != MVPP21)

	if (priv->hw_version >= MVPP22)

		clk_disable_unprepare(priv->mg_clk);

err_gop_clk:

	clk_disable_unprepare(priv->gop_clk);