If this function is marked as __init, kernel will splat when driver is
(re)bind
echo "
c080000.ethernet">/sys/bus/platform/drivers/ipqess-edma/unbind
echo "
c080000.ethernet">/sys/bus/platform/drivers/ipqess-edma/bind
Example with additional print messages, functions at boot:
[ 2.039468] ipqess-edma
c080000.ethernet: ipqess_axi_probe pre register_netdev
[ 2.039530] ipqess-edma
c080000.ethernet: *netdev:
c27d2000
[ 2.045609] ipqess-edma
c080000.ethernet: &ipqess_init:
c0d1e28c
[ 2.051122] ipqess_init
[ 2.057338] netdev:
c27d2000
[ 2.059492] ess = netdev_priv:
c27d2500
[ 2.062615] ess->pdev:
c2138c00
[ 2.066174] ess->pdev->dev:
c2138c10
[ 2.069314] ess->pdev->dev.of_node:
ef6f6368
[ 2.073120] ess->pdev->dev.of_node: /soc/ethernet@
c080000
fails (bind) after unbind:
[ 34.987948] ipqess-edma
c080000.ethernet: ipqess_axi_probe pre register_netdev
[ 34.988012] ipqess-edma
c080000.ethernet: *netdev:
c27d6000
[ 34.994088] ipqess-edma
c080000.ethernet: &ipqess_init:
c0d1e28c
[ 34.999652] 8<--- cut here ---
[ 35.005802] Unable to handle kernel paging request at virtual address
c0d1e28c when execute
[ 35.008676] [
c0d1e28c] *pgd=
80c1941e(bad)
[ 35.016918] Internal error: Oops:
8000000d [#1] SMP ARM
Signed-off-by: John Thomson <git@johnthomson.fastmail.com.au>
Link: https://github.com/openwrt/openwrt/pull/15831
Signed-off-by: Robert Marko <robimarko@gmail.com>
+ }
+}
+
-+static int __init ipqess_init(struct net_device *netdev)
++static int ipqess_init(struct net_device *netdev)
+{
+ struct ipqess *ess = netdev_priv(netdev);
+ struct device_node *of_node = ess->pdev->dev.of_node;
projects / openwrt / staging / nbd.git / commitdiff