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authorJakub Kicinski <kuba@kernel.org>2023-07-26 21:49:28 -0700
committerJakub Kicinski <kuba@kernel.org>2023-07-26 21:49:29 -0700
commit601ad04f13e6fbf070027fbf1fc713f93607a008 (patch)
tree8afc3c39439acc3319e140d1a270b6d605957ed4 /drivers/net/Kconfig
parentc1b0b6118b48100de0465b09201445df292647c1 (diff)
parent1f4aea1f72da039d830862bc690dbd2d355dc992 (diff)
Merge branch 'mlxsw-speed-up-transceiver-module-eeprom-dump'
Petr Machata says: ==================== mlxsw: Speed up transceiver module EEPROM dump Ido Schimmel writes: Old firmware versions could only read up to 48 bytes from a transceiver module's EEPROM in one go. Newer versions can read up to 128 bytes, resulting in fewer transactions. Query support for the new capability during driver initialization and if supported, read up to 128 bytes in one go. This is going to be especially useful for upcoming transceiver module firmware flashing support. Before: # perf stat -e devlink:devlink_hwmsg -- ethtool -m swp11 page 0x1 offset 128 length 128 i2c 0x50 [...] Performance counter stats for 'ethtool -m swp11 page 0x1 offset 128 length 128 i2c 0x50': 3 devlink:devlink_hwmsg After: # perf stat -e devlink:devlink_hwmsg -- ethtool -m swp11 page 0x1 offset 128 length 128 i2c 0x50 [...] Performance counter stats for 'ethtool -m swp11 page 0x1 offset 128 length 128 i2c 0x50': 1 devlink:devlink_hwmsg Patches #1-#4 are preparations / cleanups. Patch #5 adds support for the new read size. ==================== Link: https://lore.kernel.org/r/cover.1690281940.git.petrm@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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