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net: sfc: Use pci_clear_master() to disable bus mastering

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pci_disable_device() disables many features, like MSI-X, which we
never reenable in efx_reset().  Further, calls to pci_enable_device()
and pci_disable_device() must be matched since the nesting count was
introduced, so switch to using pci_clear_master() instead.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Ben Hutchings 2008-12-23 03:09:53 +00:00 committed by Jesse Barnes
parent 6a479079c0
commit ef1bba28bf
1 changed files with 2 additions and 2 deletions
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4
drivers/net/sfc/falcon.c
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@ -1403,9 +1403,9 @@ static irqreturn_t falcon_fatal_interrupt(struct efx_nic *efx)
}
/* Disable both devices */
pci_disable_device(efx->pci_dev);
pci_clear_master(efx->pci_dev);
if (FALCON_IS_DUAL_FUNC(efx))
pci_disable_device(nic_data->pci_dev2);
pci_clear_master(nic_data->pci_dev2);
falcon_disable_interrupts(efx);
if (++n_int_errors < FALCON_MAX_INT_ERRORS) {