4.20-stable review patch. If anyone has any objections, please let me know.
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[ 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 c7901a3f2a794..a903e97793f9a 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)