[PATCH net-next 08/16] sfc: Keep disabled NICs quiescent during suspend/resume
From: Ben Hutchings <hidden>
Date: 2012-08-24 19:51:27
Subsystem:
networking drivers, sfc network driver, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Edward Cree, Linus Torvalds
Currently we ignore and clear the disabled state. Signed-off-by: Ben Hutchings <redacted> --- drivers/net/ethernet/sfc/efx.c | 28 ++++++++++++++++------------ 1 files changed, 16 insertions(+), 12 deletions(-)
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index e5f3a17..f02591b 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c@@ -2729,12 +2729,14 @@ static int efx_pm_freeze(struct device *dev) rtnl_lock(); - efx->state = STATE_UNINIT; + if (efx->state != STATE_DISABLED) { + efx->state = STATE_UNINIT; - netif_device_detach(efx->net_dev); + netif_device_detach(efx->net_dev); - efx_stop_all(efx); - efx_stop_interrupts(efx, false); + efx_stop_all(efx); + efx_stop_interrupts(efx, false); + } rtnl_unlock();
@@ -2747,19 +2749,21 @@ static int efx_pm_thaw(struct device *dev) rtnl_lock(); - efx_start_interrupts(efx, false); + if (efx->state != STATE_DISABLED) { + efx_start_interrupts(efx, false); - mutex_lock(&efx->mac_lock); - efx->phy_op->reconfigure(efx); - mutex_unlock(&efx->mac_lock); + mutex_lock(&efx->mac_lock); + efx->phy_op->reconfigure(efx); + mutex_unlock(&efx->mac_lock); - efx_start_all(efx); + efx_start_all(efx); - netif_device_attach(efx->net_dev); + netif_device_attach(efx->net_dev); - efx->state = STATE_READY; + efx->state = STATE_READY; - efx->type->resume_wol(efx); + efx->type->resume_wol(efx); + } rtnl_unlock();
--
1.7.7.6
--
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
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