Fix some style violations in the generic PHY management code.
Acked-by: Joe Hershberger joe.hershberger@ni.com Signed-off-by: Mario Six mario.six@gdsys.cc
---
v1 -> v2: * Fixed comment style according to Joe's comments
--- drivers/net/phy/phy.c | 94 +++++++++++++++++++++++++++++++-------------------- 1 file changed, 57 insertions(+), 37 deletions(-)
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index fd3dd556c8..c576d26b67 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -27,7 +27,7 @@ DECLARE_GLOBAL_DATA_PTR; /* Generic PHY support and helper functions */
/** - * genphy_config_advert - sanitize and advertise auto-negotation parameters + * genphy_config_advert - sanitize and advertise auto-negotiation parameters * @phydev: target phy_device struct * * Description: Writes MII_ADVERTISE with the appropriate values, @@ -117,7 +117,6 @@ static int genphy_config_advert(struct phy_device *phydev) return changed; }
- /** * genphy_setup_forced - configures/forces speed/duplex from @phydev * @phydev: target phy_device struct @@ -130,14 +129,15 @@ static int genphy_setup_forced(struct phy_device *phydev) int err; int ctl = BMCR_ANRESTART;
- phydev->pause = phydev->asym_pause = 0; + phydev->pause = 0; + phydev->asym_pause = 0;
- if (SPEED_1000 == phydev->speed) + if (phydev->speed == SPEED_1000) ctl |= BMCR_SPEED1000; - else if (SPEED_100 == phydev->speed) + else if (phydev->speed == SPEED_100) ctl |= BMCR_SPEED100;
- if (DUPLEX_FULL == phydev->duplex) + if (phydev->duplex == DUPLEX_FULL) ctl |= BMCR_FULLDPLX;
err = phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, ctl); @@ -145,7 +145,6 @@ static int genphy_setup_forced(struct phy_device *phydev) return err; }
- /** * genphy_restart_aneg - Enable and Restart Autonegotiation * @phydev: target phy_device struct @@ -169,7 +168,6 @@ int genphy_restart_aneg(struct phy_device *phydev) return ctl; }
- /** * genphy_config_aneg - restart auto-negotiation or write BMCR * @phydev: target phy_device struct @@ -182,7 +180,7 @@ int genphy_config_aneg(struct phy_device *phydev) { int result;
- if (AUTONEG_ENABLE != phydev->autoneg) + if (phydev->autoneg != AUTONEG_ENABLE) return genphy_setup_forced(phydev);
result = genphy_config_advert(phydev); @@ -191,8 +189,10 @@ int genphy_config_aneg(struct phy_device *phydev) return result;
if (result == 0) { - /* Advertisment hasn't changed, but maybe aneg was never on to - * begin with? Or maybe phy was isolated? */ + /* + * Advertisment hasn't changed, but maybe aneg was never on to + * begin with? Or maybe phy was isolated? + */ int ctl = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMCR);
if (ctl < 0) @@ -202,8 +202,10 @@ int genphy_config_aneg(struct phy_device *phydev) result = 1; /* do restart aneg */ }
- /* Only restart aneg if we are advertising something different - * than we were before. */ + /* + * Only restart aneg if we are advertising something different + * than we were before. + */ if (result > 0) result = genphy_restart_aneg(phydev);
@@ -240,7 +242,7 @@ int genphy_update_link(struct phy_device *phydev) int i = 0;
printf("%s Waiting for PHY auto negotiation to complete", - phydev->dev->name); + phydev->dev->name); while (!(mii_reg & BMSR_ANEGCOMPLETE)) { /* * Timeout reached ? @@ -305,7 +307,8 @@ int genphy_parse_link(struct phy_device *phydev) */ gblpa = phy_read(phydev, MDIO_DEVAD_NONE, MII_STAT1000); if (gblpa < 0) { - debug("Could not read MII_STAT1000. Ignoring gigabit capability\n"); + debug("Could not read MII_STAT1000. "); + debug("Ignoring gigabit capability\n"); gblpa = 0; } gblpa &= phy_read(phydev, @@ -338,8 +341,9 @@ int genphy_parse_link(struct phy_device *phydev) if (lpa & LPA_100FULL) phydev->duplex = DUPLEX_FULL;
- } else if (lpa & LPA_10FULL) + } else if (lpa & LPA_10FULL) { phydev->duplex = DUPLEX_FULL; + }
/* * Extended status may indicate that the PHY supports @@ -577,7 +581,9 @@ static int phy_probe(struct phy_device *phydev) { int err = 0;
- phydev->advertising = phydev->supported = phydev->drv->features; + phydev->advertising = phydev->drv->features; + phydev->supported = phydev->drv->features; + phydev->mmds = phydev->drv->mmds;
if (phydev->drv->probe) @@ -597,7 +603,7 @@ static struct phy_driver *generic_for_interface(phy_interface_t interface) }
static struct phy_driver *get_phy_driver(struct phy_device *phydev, - phy_interface_t interface) + phy_interface_t interface) { struct list_head *entry; int phy_id = phydev->phy_id; @@ -619,12 +625,14 @@ static struct phy_device *phy_device_create(struct mii_dev *bus, int addr, { struct phy_device *dev;
- /* We allocate the device, and initialize the - * default values */ + /* + * We allocate the device, and initialize the + * default values + */ dev = malloc(sizeof(*dev)); if (!dev) { printf("Failed to allocate PHY device for %s:%d\n", - bus->name, addr); + bus->name, addr); return NULL; }
@@ -662,8 +670,10 @@ int __weak get_phy_id(struct mii_dev *bus, int addr, int devad, u32 *phy_id) { int phy_reg;
- /* Grab the bits from PHYIR1, and put them - * in the upper half */ + /* + * Grab the bits from PHYIR1, and put them + * in the upper half + */ phy_reg = bus->read(bus, addr, devad, MII_PHYSID1);
if (phy_reg < 0) @@ -683,9 +693,11 @@ int __weak get_phy_id(struct mii_dev *bus, int addr, int devad, u32 *phy_id) }
static struct phy_device *create_phy_by_mask(struct mii_dev *bus, - unsigned phy_mask, int devad, phy_interface_t interface) + uint phy_mask, int devad, + phy_interface_t interface) { u32 phy_id = 0xffffffff; + while (phy_mask) { int addr = ffs(phy_mask) - 1; int r = get_phy_id(bus, addr, devad, &phy_id); @@ -698,11 +710,13 @@ static struct phy_device *create_phy_by_mask(struct mii_dev *bus, }
static struct phy_device *search_for_existing_phy(struct mii_dev *bus, - unsigned phy_mask, phy_interface_t interface) + uint phy_mask, + phy_interface_t interface) { /* If we have one, return the existing device, with new interface */ while (phy_mask) { int addr = ffs(phy_mask) - 1; + if (bus->phymap[addr]) { bus->phymap[addr]->interface = interface; return bus->phymap[addr]; @@ -713,7 +727,8 @@ static struct phy_device *search_for_existing_phy(struct mii_dev *bus, }
static struct phy_device *get_phy_device_by_mask(struct mii_dev *bus, - unsigned phy_mask, phy_interface_t interface) + uint phy_mask, + phy_interface_t interface) { int i; struct phy_device *phydev; @@ -725,7 +740,7 @@ static struct phy_device *get_phy_device_by_mask(struct mii_dev *bus, /* Otherwise we have to try Clause 45 */ for (i = 0; i < 5; i++) { phydev = create_phy_by_mask(bus, phy_mask, - i ? i : MDIO_DEVAD_NONE, interface); + i ? i : MDIO_DEVAD_NONE, interface); if (IS_ERR(phydev)) return NULL; if (phydev) @@ -735,6 +750,7 @@ static struct phy_device *get_phy_device_by_mask(struct mii_dev *bus, debug("\n%s PHY: ", bus->name); while (phy_mask) { int addr = ffs(phy_mask) - 1; + debug("%d ", addr); phy_mask &= ~(1 << addr); } @@ -744,7 +760,8 @@ static struct phy_device *get_phy_device_by_mask(struct mii_dev *bus, }
/** - * get_phy_device - reads the specified PHY device and returns its @phy_device struct + * get_phy_device - reads the specified PHY device and returns its + * @phy_device struct * @bus: the target MII bus * @addr: PHY address on the MII bus * @@ -823,15 +840,15 @@ int miiphy_reset(const char *devname, unsigned char addr) return phy_reset(phydev); }
-struct phy_device *phy_find_by_mask(struct mii_dev *bus, unsigned phy_mask, - phy_interface_t interface) +struct phy_device *phy_find_by_mask(struct mii_dev *bus, uint phy_mask, + phy_interface_t interface) { /* Reset the bus */ if (bus->reset) { bus->reset(bus);
/* Wait 15ms to make sure the PHY has come out of hard reset */ - udelay(15000); + mdelay(15); }
return get_phy_device_by_mask(bus, phy_mask, interface); @@ -847,8 +864,8 @@ void phy_connect_dev(struct phy_device *phydev, struct eth_device *dev) phy_reset(phydev); if (phydev->dev && phydev->dev != dev) { printf("%s:%d is connected to %s. Reconnecting to %s\n", - phydev->bus->name, phydev->addr, - phydev->dev->name, dev->name); + phydev->bus->name, phydev->addr, + phydev->dev->name, dev->name); } phydev->dev = dev; debug("%s connected to %s\n", dev->name, phydev->drv->name); @@ -856,20 +873,23 @@ void phy_connect_dev(struct phy_device *phydev, struct eth_device *dev)
#ifdef CONFIG_DM_ETH struct phy_device *phy_connect(struct mii_dev *bus, int addr, - struct udevice *dev, phy_interface_t interface) + struct udevice *dev, + phy_interface_t interface) #else struct phy_device *phy_connect(struct mii_dev *bus, int addr, - struct eth_device *dev, phy_interface_t interface) + struct eth_device *dev, + phy_interface_t interface) #endif { struct phy_device *phydev = NULL; #ifdef CONFIG_PHY_FIXED int sn; const char *name; + sn = fdt_first_subnode(gd->fdt_blob, dev_of_offset(dev)); while (sn > 0) { name = fdt_get_name(gd->fdt_blob, sn, NULL); - if (name != NULL && strcmp(name, "fixed-link") == 0) { + if (name && strcmp(name, "fixed-link") == 0) { phydev = phy_device_create(bus, sn, PHY_FIXED_ID, interface); break; @@ -877,7 +897,7 @@ struct phy_device *phy_connect(struct mii_dev *bus, int addr, sn = fdt_next_subnode(gd->fdt_blob, sn); } #endif - if (phydev == NULL) + if (!phydev) phydev = phy_find_by_mask(bus, 1 << addr, interface);
if (phydev) -- 2.11.0