Commit 6c3282a6 authored by Russell King (Oracle)'s avatar Russell King (Oracle) Committed by Jakub Kicinski
Browse files

net: stmmac: add select_pcs() platform method 



Allow platform drivers to provide their logic to select an appropriate
PCS.

Tested-by: default avatarRomain Gantois <romain.gantois@bootlin.com>
Reviewed-by: default avatarRomain Gantois <romain.gantois@bootlin.com>
Signed-off-by: default avatarRussell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/E1sHhoM-00Fesu-8E@rmk-PC.armlinux.org.uk


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent ad46951b

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

+7 −0
Original line number Diff line number Diff line
@@ -949,6 +949,13 @@ static struct phylink_pcs *stmmac_mac_select_pcs(struct phylink_config *config, 
						 phy_interface_t interface)

{

	struct stmmac_priv *priv = netdev_priv(to_net_dev(config->dev));

	struct phylink_pcs *pcs;



	if (priv->plat->select_pcs) {

		pcs = priv->plat->select_pcs(priv, interface);

		if (!IS_ERR(pcs))

			return pcs;

	}



	if (priv->hw->xpcs)

		return &priv->hw->xpcs->pcs;

include/linux/stmmac.h

+3 −1
Original line number Diff line number Diff line
@@ -13,7 +13,7 @@ 
#define __STMMAC_PLATFORM_DATA



#include <linux/platform_device.h>

#include <linux/phy.h>

#include <linux/phylink.h>



#define MTL_MAX_RX_QUEUES	8

#define MTL_MAX_TX_QUEUES	8
@@ -271,6 +271,8 @@ struct plat_stmmacenet_data { 
	void (*dump_debug_regs)(void *priv);

	int (*pcs_init)(struct stmmac_priv *priv);

	void (*pcs_exit)(struct stmmac_priv *priv);

	struct phylink_pcs *(*select_pcs)(struct stmmac_priv *priv,

					  phy_interface_t interface);

	void *bsp_priv;

	struct clk *stmmac_clk;

	struct clk *pclk;