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Date: Mon, 27 Jul 2020 12:56:40 +0100 From: Edward Cree <ecree@...arflare.com> To: <linux-net-drivers@...arflare.com>, <davem@...emloft.net> CC: <netdev@...r.kernel.org> Subject: [PATCH v5 net-next 07/16] sfc_ef100: don't call efx_reset_down()/up() on EF100 We handle everything ourselves in ef100_reset(), rather than relying on the generic down/up routines. Signed-off-by: Edward Cree <ecree@...arflare.com> --- drivers/net/ethernet/sfc/efx_common.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/sfc/efx_common.c b/drivers/net/ethernet/sfc/efx_common.c index 5667694c6514..26b05ec4e712 100644 --- a/drivers/net/ethernet/sfc/efx_common.c +++ b/drivers/net/ethernet/sfc/efx_common.c @@ -814,14 +814,18 @@ int efx_reset_up(struct efx_nic *efx, enum reset_type method, bool ok) */ int efx_reset(struct efx_nic *efx, enum reset_type method) { + int rc, rc2 = 0; bool disabled; - int rc, rc2; netif_info(efx, drv, efx->net_dev, "resetting (%s)\n", RESET_TYPE(method)); efx_device_detach_sync(efx); - efx_reset_down(efx, method); + /* efx_reset_down() grabs locks that prevent recovery on EF100. + * EF100 reset is handled in the efx_nic_type callback below. + */ + if (efx_nic_rev(efx) != EFX_REV_EF100) + efx_reset_down(efx, method); rc = efx->type->reset(efx, method); if (rc) { @@ -849,7 +853,8 @@ int efx_reset(struct efx_nic *efx, enum reset_type method) disabled = rc || method == RESET_TYPE_DISABLE || method == RESET_TYPE_RECOVER_OR_DISABLE; - rc2 = efx_reset_up(efx, method, !disabled); + if (efx_nic_rev(efx) != EFX_REV_EF100) + rc2 = efx_reset_up(efx, method, !disabled); if (rc2) { disabled = true; if (!rc)
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