Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 4.20 098/105] mlxsw: pci: Return error on PCI reset timeout | Date | Tue, 12 Feb 2019 21:33:29 -0500 |
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From: Nir Dotan <nird@mellanox.com>
[ Upstream commit 67c14cc9b35055264fc0efed00159a7de1819f1b ]
Return an appropriate error in the case when the driver timeouts on waiting for firmware to go out of PCI reset.
Fixes: 233fa44bd67a ("mlxsw: pci: Implement reset done check") Signed-off-by: Nir Dotan <nird@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/net/ethernet/mellanox/mlxsw/pci.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlxsw/pci.c b/drivers/net/ethernet/mellanox/mlxsw/pci.c index c7901a3f2a79..a903e97793f9 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/pci.c +++ b/drivers/net/ethernet/mellanox/mlxsw/pci.c @@ -1367,10 +1367,10 @@ static int mlxsw_pci_sw_reset(struct mlxsw_pci *mlxsw_pci, u32 val = mlxsw_pci_read32(mlxsw_pci, FW_READY); if ((val & MLXSW_PCI_FW_READY_MASK) == MLXSW_PCI_FW_READY_MAGIC) - break; + return 0; cond_resched(); } while (time_before(jiffies, end)); - return 0; + return -EBUSY; } static int mlxsw_pci_alloc_irq_vectors(struct mlxsw_pci *mlxsw_pci) -- 2.19.1
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