[celestica]: blacklist i2c_mux_pca9541 module#5881
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lguohan wants to merge 1 commit intosonic-net:masterfrom
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[celestica]: blacklist i2c_mux_pca9541 module#5881lguohan wants to merge 1 commit intosonic-net:masterfrom
lguohan wants to merge 1 commit intosonic-net:masterfrom
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device use i2c_mux_pca854x driver. recently, sonic kernel
enabled i2c_mux_pca9541 driver and it causes i2c mux probe failure.
blacklist pca9541 driver resolves the probe failure below.
Nov 10 08:14:52.839345 sonic WARNING kernel: [ 10.900019] pca954x 0-0071: probe failed
Signed-off-by: Guohan Lu <lguohan@gmail.com>
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other devices also use pca954x will have similar issue. not sure how to find out those cases and check. |
lguohan
changed the title
bingwang-ms
approved these changes
Nov 10, 2020
yxieca
approved these changes
Nov 10, 2020
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retest mellanox please |
jleveque
approved these changes
Nov 10, 2020
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Closing this PR in favor of #5891 |
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device use i2c_mux_pca954x driver. recently, sonic kernel
enabled i2c_mux_pca9541 driver and it causes i2c mux probe failure.
blacklist pca9541 driver resolves the probe failure below.
Signed-off-by: Guohan Lu lguohan@gmail.com
- Why I did it
Fix #5877
device use i2c_mux_pca854x driver. recently, sonic kernel
enabled i2c_mux_pca9541 driver and it causes i2c mux probe failure.
blacklist pca9541 driver resolves the probe failure below.
- How I did it
blacklist i2c_mux_pca9541 at using kernel cmdline
- How to verify it
modify the cmdline and verify manually on the dut.
- Which release branch to backport (provide reason below if selected)
- Description for the changelog
- A picture of a cute animal (not mandatory but encouraged)