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Commit e1dde8dc authored by Andrew Lunn's avatar Andrew Lunn Committed by David S. Miller
Browse files

net: phy: marvell: Refactor some bigger functions 



Break big functions up by using a number of smaller helper
function. Solves some of the over 80 lines warnings, by reducing the
indentation level.

Signed-off-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4f48ed32

drivers/net/phy/marvell.c

+271 −213
Original line number Diff line number Diff line
@@ -695,12 +695,11 @@ static int m88e3016_config_init(struct phy_device *phydev) 
	return marvell_config_init(phydev);

}



static int m88e1111_config_init(struct phy_device *phydev)

static int m88e1111_config_init_rgmii(struct phy_device *phydev)

{

	int err;

	int temp;



	if (phy_interface_is_rgmii(phydev)) {

	temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);

	if (temp < 0)

		return temp;
@@ -730,12 +729,14 @@ static int m88e1111_config_init(struct phy_device *phydev) 
	else

		temp |= MII_M1111_HWCFG_MODE_COPPER_RGMII;



		err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);

		if (err < 0)

			return err;

	return phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);

}



	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {

static int m88e1111_config_init_sgmii(struct phy_device *phydev)

{

	int err;

	int temp;



	temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);

	if (temp < 0)

		return temp;
@@ -753,16 +754,18 @@ static int m88e1111_config_init(struct phy_device *phydev) 
	if (err < 0)

		return err;



		err = phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE,

				err & (~0xff));

		if (err < 0)

			return err;

	return phy_write(phydev, MII_M1145_PHY_EXT_ADDR_PAGE, err & (~0xff));

}



	if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {

static int m88e1111_config_init_rtbi(struct phy_device *phydev)

{

	int err;

	int temp;



	temp = phy_read(phydev, MII_M1111_PHY_EXT_CR);

	if (temp < 0)

		return temp;



	temp |= (MII_M1111_RX_DELAY | MII_M1111_TX_DELAY);

	err = phy_write(phydev, MII_M1111_PHY_EXT_CR, temp);

	if (err < 0)
@@ -771,8 +774,11 @@ static int m88e1111_config_init(struct phy_device *phydev) 
	temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);

	if (temp < 0)

		return temp;

		temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);



	temp &= ~(MII_M1111_HWCFG_MODE_MASK |

		  MII_M1111_HWCFG_FIBER_COPPER_RES);

	temp |= 0x7 | MII_M1111_HWCFG_FIBER_COPPER_AUTO;



	err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);

	if (err < 0)

		return err;
@@ -781,6 +787,7 @@ static int m88e1111_config_init(struct phy_device *phydev) 
	err = phy_write(phydev, MII_BMCR, BMCR_RESET);

	if (err < 0)

		return err;



	do

		temp = phy_read(phydev, MII_BMCR);

	while (temp & BMCR_RESET);
@@ -788,9 +795,33 @@ static int m88e1111_config_init(struct phy_device *phydev) 
	temp = phy_read(phydev, MII_M1111_PHY_EXT_SR);

	if (temp < 0)

		return temp;

		temp &= ~(MII_M1111_HWCFG_MODE_MASK | MII_M1111_HWCFG_FIBER_COPPER_RES);

		temp |= MII_M1111_HWCFG_MODE_COPPER_RTBI | MII_M1111_HWCFG_FIBER_COPPER_AUTO;

		err = phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);



	temp &= ~(MII_M1111_HWCFG_MODE_MASK |

		  MII_M1111_HWCFG_FIBER_COPPER_RES);

	temp |= MII_M1111_HWCFG_MODE_COPPER_RTBI |

		MII_M1111_HWCFG_FIBER_COPPER_AUTO;



	return phy_write(phydev, MII_M1111_PHY_EXT_SR, temp);

}



static int m88e1111_config_init(struct phy_device *phydev)

{

	int err;



	if (phy_interface_is_rgmii(phydev)) {

		err = m88e1111_config_init_rgmii(phydev);

		if (err)

			return err;

	}



	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {

		err = m88e1111_config_init_sgmii(phydev);

		if (err < 0)

			return err;

	}



	if (phydev->interface == PHY_INTERFACE_MODE_RTBI) {

		err = m88e1111_config_init_rtbi(phydev);

		if (err < 0)

			return err;

	}
@@ -941,29 +972,9 @@ static int m88e1149_config_init(struct phy_device *phydev) 
	return phy_write(phydev, MII_BMCR, BMCR_RESET);

}



static int m88e1145_config_init(struct phy_device *phydev)

static int m88e1145_config_init_rgmii(struct phy_device *phydev)

{

	int err;

	int temp;



	/* Take care of errata E0 & E1 */

	err = phy_write(phydev, 0x1d, 0x001b);

	if (err < 0)

		return err;



	err = phy_write(phydev, 0x1e, 0x418f);

	if (err < 0)

		return err;



	err = phy_write(phydev, 0x1d, 0x0016);

	if (err < 0)

		return err;



	err = phy_write(phydev, 0x1e, 0xa2da);

	if (err < 0)

		return err;



	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {

	int temp = phy_read(phydev, MII_M1145_PHY_EXT_CR);



	if (temp < 0)
@@ -997,13 +1008,14 @@ static int m88e1145_config_init(struct phy_device *phydev) 
			return err;



		err = phy_write(phydev, 0x1e, 0x8000);

			if (err < 0)

				return err;

	}

	return err;

}



	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {

		temp = phy_read(phydev, MII_M1145_PHY_EXT_SR);

static int m88e1145_config_init_sgmii(struct phy_device *phydev)

{

	int temp = phy_read(phydev, MII_M1145_PHY_EXT_SR);



	if (temp < 0)

		return temp;
@@ -1011,7 +1023,38 @@ static int m88e1145_config_init(struct phy_device *phydev) 
	temp |= MII_M1145_HWCFG_MODE_SGMII_NO_CLK;

	temp |= MII_M1145_HWCFG_FIBER_COPPER_AUTO;



		err = phy_write(phydev, MII_M1145_PHY_EXT_SR, temp);

	return phy_write(phydev, MII_M1145_PHY_EXT_SR, temp);

}



static int m88e1145_config_init(struct phy_device *phydev)

{

	int err;



	/* Take care of errata E0 & E1 */

	err = phy_write(phydev, 0x1d, 0x001b);

	if (err < 0)

		return err;



	err = phy_write(phydev, 0x1e, 0x418f);

	if (err < 0)

		return err;



	err = phy_write(phydev, 0x1d, 0x0016);

	if (err < 0)

		return err;



	err = phy_write(phydev, 0x1e, 0xa2da);

	if (err < 0)

		return err;



	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) {

		err = m88e1145_config_init_rgmii(phydev);

		if (err < 0)

			return err;

	}



	if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {

		err = m88e1145_config_init_sgmii(phydev);

		if (err < 0)

			return err;

	}
@@ -1072,36 +1115,14 @@ static int marvell_update_link(struct phy_device *phydev, int fiber) 
	return 0;

}



/* marvell_read_status_page

 *

 * Description:

 *   Check the link, then figure out the current state

 *   by comparing what we advertise with what the link partner

 *   advertises.  Start by checking the gigabit possibilities,

 *   then move on to 10/100.

 */

static int marvell_read_status_page(struct phy_device *phydev, int page)

static int marvell_read_status_page_an(struct phy_device *phydev,

				       int fiber)

{

	int adv;

	int err;

	int status;

	int lpa;

	int lpagb;

	int status = 0;

	int fiber;



	/* Detect and update the link, but return if there

	 * was an error

	 */

	if (page == MII_M1111_FIBER)

		fiber = 1;

	else

		fiber = 0;



	err = marvell_update_link(phydev, fiber);

	if (err)

		return err;

	int adv;



	if (phydev->autoneg == AUTONEG_ENABLE) {

	status = phy_read(phydev, MII_M1011_PHY_STATUS);

	if (status < 0)

		return status;
@@ -1144,7 +1165,8 @@ static int marvell_read_status_page(struct phy_device *phydev, int page) 
	}



	if (!fiber) {

			phydev->lp_advertising = mii_stat1000_to_ethtool_lpa_t(lpagb) |

		phydev->lp_advertising =

			mii_stat1000_to_ethtool_lpa_t(lpagb) |

			mii_lpa_to_ethtool_lpa_t(lpa);



		if (phydev->duplex == DUPLEX_FULL) {
@@ -1168,7 +1190,11 @@ static int marvell_read_status_page(struct phy_device *phydev, int page) 
			}

		}

	}

	} else {

	return 0;

}



static int marvell_read_status_page_fixed(struct phy_device *phydev)

{

	int bmcr = phy_read(phydev, MII_BMCR);



	if (bmcr < 0)
@@ -1189,11 +1215,43 @@ static int marvell_read_status_page(struct phy_device *phydev, int page) 
	phydev->pause = 0;

	phydev->asym_pause = 0;

	phydev->lp_advertising = 0;

	}



	return 0;

}



/* marvell_read_status_page

 *

 * Description:

 *   Check the link, then figure out the current state

 *   by comparing what we advertise with what the link partner

 *   advertises.  Start by checking the gigabit possibilities,

 *   then move on to 10/100.

 */

static int marvell_read_status_page(struct phy_device *phydev, int page)

{

	int fiber;

	int err;



	/* Detect and update the link, but return if there

	 * was an error

	 */

	if (page == MII_M1111_FIBER)

		fiber = 1;

	else

		fiber = 0;



	err = marvell_update_link(phydev, fiber);

	if (err)

		return err;



	if (phydev->autoneg == AUTONEG_ENABLE)

		err = marvell_read_status_page_an(phydev, fiber);

	else

		err = marvell_read_status_page_fixed(phydev);



	return err;

}



/* marvell_read_status

 *

 * Some Marvell's phys have two modes: fiber and copper.