net: stmmac: Fix clock handling on remove path
authorWong Vee Khee <vee.khee.wong@intel.com>
Fri, 25 Sep 2020 09:54:06 +0000 (17:54 +0800)
committerDavid S. Miller <davem@davemloft.net>
Fri, 25 Sep 2020 23:49:15 +0000 (16:49 -0700)
While unloading the dwmac-intel driver, clk_disable_unprepare() is
being called twice in stmmac_dvr_remove() and
intel_eth_pci_remove(). This causes kernel panic on the second call.

Removing the second call of clk_disable_unprepare() in
intel_eth_pci_remove().

Fixes: 09f012e64e4b ("stmmac: intel: Fix clock handling on error and remove paths")
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Wong Vee Khee <vee.khee.wong@intel.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c

index 2ac9dfb..9e6d60e 100644 (file)
@@ -653,7 +653,6 @@ static void intel_eth_pci_remove(struct pci_dev *pdev)
 
        pci_free_irq_vectors(pdev);
 
-       clk_disable_unprepare(priv->plat->stmmac_clk);
        clk_unregister_fixed_rate(priv->plat->stmmac_clk);
 
        pcim_iounmap_regions(pdev, BIT(0));