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authorRussell King (Oracle) <rmk+kernel@armlinux.org.uk>2024-02-02 18:41:45 +0100
committerPaolo Abeni <pabeni@redhat.com>2024-02-06 12:44:40 +0100
commit0bd199fd9c19aa545f677fd0a99f2be101cb6309 (patch)
treec341bba82a52372ce69b5dd8ed966e3f304d9c98 /drivers/net
parentnet: dst: Make dst_destroy() static and return void. (diff)
downloadlinux-0bd199fd9c19aa545f677fd0a99f2be101cb6309.tar.xz
linux-0bd199fd9c19aa545f677fd0a99f2be101cb6309.zip
net: phy: constify phydev->drv
Device driver structures are shared between all devices that they match, and thus nothing should never write to the device driver structure through the phydev->drv pointer. Let's make this pointer const to catch code that attempts to do so. Suggested-by: Christian Marangi <ansuelsmth@gmail.com> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Link: https://lore.kernel.org/r/E1rVxXt-002YqY-9G@rmk-PC.armlinux.org.uk Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/phy/phy.c3
-rw-r--r--drivers/net/phy/phy_device.c6
-rw-r--r--drivers/net/phy/xilinx_gmii2rgmii.c2
3 files changed, 5 insertions, 6 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 3b9531143be1..14224e06d69f 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -1290,7 +1290,6 @@ int phy_disable_interrupts(struct phy_device *phydev)
static irqreturn_t phy_interrupt(int irq, void *phy_dat)
{
struct phy_device *phydev = phy_dat;
- struct phy_driver *drv = phydev->drv;
irqreturn_t ret;
/* Wakeup interrupts may occur during a system sleep transition.
@@ -1316,7 +1315,7 @@ static irqreturn_t phy_interrupt(int irq, void *phy_dat)
}
mutex_lock(&phydev->lock);
- ret = drv->handle_interrupt(phydev);
+ ret = phydev->drv->handle_interrupt(phydev);
mutex_unlock(&phydev->lock);
return ret;
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 52828d1c64f7..2eed8f03621d 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -1413,7 +1413,7 @@ int phy_sfp_probe(struct phy_device *phydev,
}
EXPORT_SYMBOL(phy_sfp_probe);
-static bool phy_drv_supports_irq(struct phy_driver *phydrv)
+static bool phy_drv_supports_irq(const struct phy_driver *phydrv)
{
return phydrv->config_intr && phydrv->handle_interrupt;
}
@@ -1867,7 +1867,7 @@ int phy_suspend(struct phy_device *phydev)
{
struct ethtool_wolinfo wol = { .cmd = ETHTOOL_GWOL };
struct net_device *netdev = phydev->attached_dev;
- struct phy_driver *phydrv = phydev->drv;
+ const struct phy_driver *phydrv = phydev->drv;
int ret;
if (phydev->suspended)
@@ -1892,7 +1892,7 @@ EXPORT_SYMBOL(phy_suspend);
int __phy_resume(struct phy_device *phydev)
{
- struct phy_driver *phydrv = phydev->drv;
+ const struct phy_driver *phydrv = phydev->drv;
int ret;
lockdep_assert_held(&phydev->lock);
diff --git a/drivers/net/phy/xilinx_gmii2rgmii.c b/drivers/net/phy/xilinx_gmii2rgmii.c
index 7fd9fe6a602b..7b1bc5fcef9b 100644
--- a/drivers/net/phy/xilinx_gmii2rgmii.c
+++ b/drivers/net/phy/xilinx_gmii2rgmii.c
@@ -22,7 +22,7 @@
struct gmii2rgmii {
struct phy_device *phy_dev;
- struct phy_driver *phy_drv;
+ const struct phy_driver *phy_drv;
struct phy_driver conv_phy_drv;
struct mdio_device *mdio;
};