Fix some style violations in the generic PHY management code.
Acked-by: Joe Hershberger <joe.hershber...@ni.com>
Signed-off-by: Mario Six <mario....@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
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