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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
commit01a69402cf9d38ff180345d55c2ee51c7e89fbc7 (patch)
treeb406c5242a088c4f59c6e4b719b783f43aca6ae9 /drivers/net/phy/phy_device.c
parentAdding upstream version 6.7.12. (diff)
downloadlinux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.tar.xz
linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.zip
Adding upstream version 6.8.9.upstream/6.8.9
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/net/phy/phy_device.c')
-rw-r--r--drivers/net/phy/phy_device.c60
1 files changed, 34 insertions, 26 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 813b753e2..8efa2a136 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -654,6 +654,7 @@ struct phy_device *phy_device_create(struct mii_bus *bus, int addr, u32 phy_id,
mdiodev->flags = MDIO_DEVICE_FLAG_PHY;
mdiodev->device_free = phy_mdio_device_free;
mdiodev->device_remove = phy_mdio_device_remove;
+ mdiodev->reset_state = -1;
dev->speed = SPEED_UNKNOWN;
dev->duplex = DUPLEX_UNKNOWN;
@@ -1235,18 +1236,19 @@ int phy_init_hw(struct phy_device *phydev)
if (phydev->drv->soft_reset) {
ret = phydev->drv->soft_reset(phydev);
+ if (ret < 0)
+ return ret;
+
/* see comment in genphy_soft_reset for an explanation */
- if (!ret)
- phydev->suspended = 0;
+ phydev->suspended = 0;
}
- if (ret < 0)
- return ret;
-
ret = phy_scan_fixups(phydev);
if (ret < 0)
return ret;
+ phy_interface_zero(phydev->possible_interfaces);
+
if (phydev->drv->config_init) {
ret = phydev->drv->config_init(phydev);
if (ret < 0)
@@ -1411,6 +1413,11 @@ int phy_sfp_probe(struct phy_device *phydev,
}
EXPORT_SYMBOL(phy_sfp_probe);
+static bool phy_drv_supports_irq(struct phy_driver *phydrv)
+{
+ return phydrv->config_intr && phydrv->handle_interrupt;
+}
+
/**
* phy_attach_direct - attach a network device to a given PHY device pointer
* @dev: network device to attach
@@ -1525,6 +1532,9 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
if (phydev->dev_flags & PHY_F_NO_IRQ)
phydev->irq = PHY_POLL;
+ if (!phy_drv_supports_irq(phydev->drv) && phy_interrupt_is_valid(phydev))
+ phydev->irq = PHY_POLL;
+
/* Port is set to PORT_TP by default and the actual PHY driver will set
* it to different value depending on the PHY configuration. If we have
* the generic PHY driver we can't figure it out, thus set the old
@@ -1650,20 +1660,22 @@ EXPORT_SYMBOL_GPL(phy_driver_is_genphy_10g);
/**
* phy_package_join - join a common PHY group
* @phydev: target phy_device struct
- * @addr: cookie and PHY address for global register access
+ * @base_addr: cookie and base PHY address of PHY package for offset
+ * calculation of global register access
* @priv_size: if non-zero allocate this amount of bytes for private data
*
* This joins a PHY group and provides a shared storage for all phydevs in
* this group. This is intended to be used for packages which contain
* more than one PHY, for example a quad PHY transceiver.
*
- * The addr parameter serves as a cookie which has to have the same value
- * for all members of one group and as a PHY address to access generic
- * registers of a PHY package. Usually, one of the PHY addresses of the
- * different PHYs in the package provides access to these global registers.
+ * The base_addr parameter serves as cookie which has to have the same values
+ * for all members of one group and as the base PHY address of the PHY package
+ * for offset calculation to access generic registers of a PHY package.
+ * Usually, one of the PHY addresses of the different PHYs in the package
+ * provides access to these global registers.
* The address which is given here, will be used in the phy_package_read()
- * and phy_package_write() convenience functions. If your PHY doesn't have
- * global registers you can just pick any of the PHY addresses.
+ * and phy_package_write() convenience functions as base and added to the
+ * passed offset in those functions.
*
* This will set the shared pointer of the phydev to the shared storage.
* If this is the first call for a this cookie the shared storage will be
@@ -1673,17 +1685,17 @@ EXPORT_SYMBOL_GPL(phy_driver_is_genphy_10g);
* Returns < 1 on error, 0 on success. Esp. calling phy_package_join()
* with the same cookie but a different priv_size is an error.
*/
-int phy_package_join(struct phy_device *phydev, int addr, size_t priv_size)
+int phy_package_join(struct phy_device *phydev, int base_addr, size_t priv_size)
{
struct mii_bus *bus = phydev->mdio.bus;
struct phy_package_shared *shared;
int ret;
- if (addr < 0 || addr >= PHY_MAX_ADDR)
+ if (base_addr < 0 || base_addr >= PHY_MAX_ADDR)
return -EINVAL;
mutex_lock(&bus->shared_lock);
- shared = bus->shared[addr];
+ shared = bus->shared[base_addr];
if (!shared) {
ret = -ENOMEM;
shared = kzalloc(sizeof(*shared), GFP_KERNEL);
@@ -1695,9 +1707,9 @@ int phy_package_join(struct phy_device *phydev, int addr, size_t priv_size)
goto err_free;
shared->priv_size = priv_size;
}
- shared->addr = addr;
+ shared->base_addr = base_addr;
refcount_set(&shared->refcnt, 1);
- bus->shared[addr] = shared;
+ bus->shared[base_addr] = shared;
} else {
ret = -EINVAL;
if (priv_size && priv_size != shared->priv_size)
@@ -1735,7 +1747,7 @@ void phy_package_leave(struct phy_device *phydev)
return;
if (refcount_dec_and_mutex_lock(&shared->refcnt, &bus->shared_lock)) {
- bus->shared[shared->addr] = NULL;
+ bus->shared[shared->base_addr] = NULL;
mutex_unlock(&bus->shared_lock);
kfree(shared->priv);
kfree(shared);
@@ -1754,7 +1766,8 @@ static void devm_phy_package_leave(struct device *dev, void *res)
* devm_phy_package_join - resource managed phy_package_join()
* @dev: device that is registering this PHY package
* @phydev: target phy_device struct
- * @addr: cookie and PHY address for global register access
+ * @base_addr: cookie and base PHY address of PHY package for offset
+ * calculation of global register access
* @priv_size: if non-zero allocate this amount of bytes for private data
*
* Managed phy_package_join(). Shared storage fetched by this function,
@@ -1762,7 +1775,7 @@ static void devm_phy_package_leave(struct device *dev, void *res)
* phy_package_join() for more information.
*/
int devm_phy_package_join(struct device *dev, struct phy_device *phydev,
- int addr, size_t priv_size)
+ int base_addr, size_t priv_size)
{
struct phy_device **ptr;
int ret;
@@ -1772,7 +1785,7 @@ int devm_phy_package_join(struct device *dev, struct phy_device *phydev,
if (!ptr)
return -ENOMEM;
- ret = phy_package_join(phydev, addr, priv_size);
+ ret = phy_package_join(phydev, base_addr, priv_size);
if (!ret) {
*ptr = phydev;
@@ -2987,11 +3000,6 @@ s32 phy_get_internal_delay(struct phy_device *phydev, struct device *dev,
}
EXPORT_SYMBOL(phy_get_internal_delay);
-static bool phy_drv_supports_irq(struct phy_driver *phydrv)
-{
- return phydrv->config_intr && phydrv->handle_interrupt;
-}
-
static int phy_led_set_brightness(struct led_classdev *led_cdev,
enum led_brightness value)
{