Commit f1c73396 authored by Raju Lakkaraju's avatar Raju Lakkaraju Committed by Jakub Kicinski
Browse files

net: pcs: xpcs: Add 2500BASE-X case in get state for XPCS drivers 



Add DW_2500BASEX case in xpcs_get_state( ) to update speed, duplex and pause

Signed-off-by: default avatarRaju Lakkaraju <Raju.Lakkaraju@microchip.com>
Reviewed-by: default avatarSerge Semin <fancer.lancer@gmail.com>
Link: https://lore.kernel.org/r/20231027044306.291250-1-Raju.Lakkaraju@microchip.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 06497763

drivers/net/pcs/pcs-xpcs.c

+29 −0
Original line number Diff line number Diff line
@@ -1090,6 +1090,28 @@ static int xpcs_get_state_c37_1000basex(struct dw_xpcs *xpcs, 
	return 0;

}



static int xpcs_get_state_2500basex(struct dw_xpcs *xpcs,

				    struct phylink_link_state *state)

{

	int ret;



	ret = xpcs_read(xpcs, MDIO_MMD_VEND2, DW_VR_MII_MMD_STS);

	if (ret < 0) {

		state->link = 0;

		return ret;

	}



	state->link = !!(ret & DW_VR_MII_MMD_STS_LINK_STS);

	if (!state->link)

		return 0;



	state->speed = SPEED_2500;

	state->pause |= MLO_PAUSE_TX | MLO_PAUSE_RX;

	state->duplex = DUPLEX_FULL;



	return 0;

}



static void xpcs_get_state(struct phylink_pcs *pcs,

			   struct phylink_link_state *state)

{
@@ -1127,6 +1149,13 @@ static void xpcs_get_state(struct phylink_pcs *pcs, 
			       ERR_PTR(ret));

		}

		break;

	case DW_2500BASEX:

		ret = xpcs_get_state_2500basex(xpcs, state);

		if (ret) {

			pr_err("xpcs_get_state_2500basex returned %pe\n",

			       ERR_PTR(ret));

		}

		break;

	default:

		return;

	}

drivers/net/pcs/pcs-xpcs.h

+2 −0
Original line number Diff line number Diff line
@@ -55,6 +55,8 @@ 
/* Clause 37 Defines */

/* VR MII MMD registers offsets */

#define DW_VR_MII_MMD_CTRL		0x0000

#define DW_VR_MII_MMD_STS		0x0001

#define DW_VR_MII_MMD_STS_LINK_STS	BIT(2)

#define DW_VR_MII_DIG_CTRL1		0x8000

#define DW_VR_MII_AN_CTRL		0x8001

#define DW_VR_MII_AN_INTR_STS		0x8002