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sfc: Fix EEH with legacy interrupts.

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PCI legacy interrupts are level-triggered, and we cannot mask them up
on an isolated device.  Instead, disable the IRQ at the controller
until we have recovered.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
This commit is contained in:
Alexandre Rames 2013-03-21 16:41:43 +00:00 • committed by Ben Hutchings
parent 3717348840
commit b28405b0f2
4 changed files with 18 additions and 1 deletions
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1
drivers/net/ethernet/sfc/net_driver.h
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@ -788,6 +788,7 @@ struct efx_nic {
const struct efx_nic_type *type;
int legacy_irq;
bool legacy_irq_enabled;
bool eeh_disabled_legacy_irq;
struct workqueue_struct *workqueue;
char workqueue_name[16];
struct work_struct reset_work;