• Senthil Balasubramanian's avatar
    ath9k: Fix IRQ nobody cared issue with ath9k · 6115e855
    Senthil Balasubramanian authored
    IRQs should be disabled before calling free_irq. Also flush pending
    IRQs. Pasted the kernel log message for reference.
    
    kernel: irq 17: nobody cared (try booting with the "irqpoll" option)
    kernel:  [<c0252d2c>] __report_bad_irq+0x2e/0x6f
    kernel:  [<c0252f22>] note_interrupt+0x1b5/0x207
    kernel:  [<c025258b>] ? handle_IRQ_event+0x21/0x48
    kernel:  [<c02534cb>] handle_fasteoi_irq+0x8e/0xad
    kernel:  [<c0205650>] do_IRQ+0x6c/0x84
    kernel:  [<c020425f>] common_interrupt+0x23/0x28
    kernel:  [<c034f6f6>] ? acpi_idle_enter_simple+0x198/0x205
    kernel:  [<c044686c>] ? menu_select+0x5c/0x78
    kernel:  [<c0445a95>] cpuidle_idle_call+0x59/0x89
    kernel:  [<c02029d7>] cpu_idle+0xae/0xcf
    kernel:  [<c0543102>] rest_init+0x4e/0x50
    kernel:  =======================
    kernel: handlers:
    kernel: [<f88fdd26>] (ath_isr+0x0/0x13a [ath9k])
    kernel: Disabling IRQ #17
    Signed-off-by: default avatarSenthil Balasubramanian <senthilkumar@atheros.com>
    Tested-by: default avatarSteven Noonan <steven@uplinklabs.net>
    Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
    6115e855
main.c 36.5 KB