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mlxsw: pci: Wait longer before accessing the device after reset
authorAmit Cohen <amitc@mellanox.com>
Thu, 27 Feb 2020 20:07:53 +0000 (21:07 +0100)
committerDavid S. Miller <davem@davemloft.net>
Thu, 27 Feb 2020 20:09:22 +0000 (12:09 -0800)
commitac004e84164e27d69017731a97b11402a69d854b
treead88760ed5936fe96c05a4dcd43d4983c4f659e6
parent23797b98909f34b75fd130369bde86f760db69d0
mlxsw: pci: Wait longer before accessing the device after reset

During initialization the driver issues a reset to the device and waits
for 100ms before checking if the firmware is ready. The waiting is
necessary because before that the device is irresponsive and the first
read can result in a completion timeout.

While 100ms is sufficient for Spectrum-1 and Spectrum-2, it is
insufficient for Spectrum-3.

Fix this by increasing the timeout to 200ms.

Fixes: da382875c616 ("mlxsw: spectrum: Extend to support Spectrum-3 ASIC")
Signed-off-by: Amit Cohen <amitc@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/mellanox/mlxsw/pci_hw.h