linux

iv/linux

History

Geert Uytterhoeven 7fa816b92c ravb: Add missing free_irq() call to ravb_close()

When reopening the network device on ra7795/salvator-x, e.g. after a
DHCP timeout:

    IP-Config: Reopening network devices...
    genirq: Flags mismatch irq 139. 00000000 (eth0:ch24:emac) vs. 00000000 (eth0:ch24:emac)
    ravb e6800000.ethernet eth0: cannot request IRQ eth0:ch24:emac
    IP-Config: Failed to open eth0
    IP-Config: No network devices available

The "mismatch" is due to requesting an IRQ that is already in use,
while IRQF_PROBE_SHARED wasn't set.

However, the real cause is that ravb_close() doesn't release the R-Car
Gen3-specific secondary IRQ.

Add the missing free_irq() call to fix this.

Fixes: 22d4df8ff3a3cc72 ("ravb: Add support for r8a7795 SoC")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2016-05-09 22:30:39 -04:00

Kconfig

sh_eth, ravb: Use ARCH_RENESAS

2016-03-03 17:09:08 -05:00

Makefile

Renesas Ethernet AVB PTP clock driver

2015-06-11 00:24:12 -07:00

ravb_main.c

ravb: Add missing free_irq() call to ravb_close()

2016-05-09 22:30:39 -04:00

ravb_ptp.c

ravb: factor out register bit twiddling code