diff options
| author | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2023-06-21 16:55:37 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-06-23 05:33:47 +0300 |
| commit | c4fc88ad2a765224a648db8ab35f125e120fe41b (patch) | |
| tree | 3a48b17850336d83d07b1aae3e952619a9b29f2e /drivers | |
| parent | b9ec61be2d91cc09b5e7302e65442e6d71f0ed93 (diff) | |
| download | linux-c4fc88ad2a765224a648db8ab35f125e120fe41b.tar.xz | |
net: stmmac: fix double serdes powerdown
Commit 49725ffc15fc ("net: stmmac: power up/down serdes in
stmmac_open/release") correctly added a call to the serdes_powerdown()
callback to stmmac_release() but did not remove the one from
stmmac_remove() which leads to a doubled call to serdes_powerdown().
This can lead to all kinds of problems: in the case of the qcom ethqos
driver, it caused an unbalanced regulator disable splat.
Fixes: 49725ffc15fc ("net: stmmac: power up/down serdes in stmmac_open/release")
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Junxiao Chang <junxiao.chang@intel.com>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Tested-by: Andrew Halaney <ahalaney@redhat.com>
Link: https://lore.kernel.org/r/20230621135537.376649-1-brgl@bgdev.pl
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 87510951f4e8..b74946bbee3c 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -7457,12 +7457,6 @@ void stmmac_dvr_remove(struct device *dev) netif_carrier_off(ndev); unregister_netdev(ndev); - /* Serdes power down needs to happen after VLAN filter - * is deleted that is triggered by unregister_netdev(). - */ - if (priv->plat->serdes_powerdown) - priv->plat->serdes_powerdown(ndev, priv->plat->bsp_priv); - #ifdef CONFIG_DEBUG_FS stmmac_exit_fs(ndev); #endif |