From: Heiner Kallweit Date: Fri, 22 Mar 2019 06:39:35 +0000 (+0100) Subject: r8169: fix cable re-plugging issue X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=23c78343ec36990709b636a9e02bad814f4384ad;p=linux.git r8169: fix cable re-plugging issue Bartek reported that after few cable unplug/replug cycles suddenly replug isn't detected any longer. His system uses a RTL8106, I wasn't able to reproduce the issue with RTL8168g. According to his bisect the referenced commit caused the regression. As Realtek doesn't release datasheets or errata it's hard to say what's the actual root cause, but this change was reported to fix the issue. Fixes: 38caff5a445b ("r8169: handle all interrupt events in the hard irq handler") Reported-by: Bartosz Skrzypczak Suggested-by: Bartosz Skrzypczak Tested-by: Bartosz Skrzypczak Signed-off-by: Heiner Kallweit Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 9dd1cd2c0c687..7562ccbbb39af 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -6542,7 +6542,7 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance) set_bit(RTL_FLAG_TASK_RESET_PENDING, tp->wk.flags); } - if (status & RTL_EVENT_NAPI) { + if (status & (RTL_EVENT_NAPI | LinkChg)) { rtl_irq_disable(tp); napi_schedule_irqoff(&tp->napi); }