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authorAnatolij Gustschin <[email protected]>2024-10-04 13:36:54 +0200
committerJakub Kicinski <[email protected]>2024-10-07 16:38:02 -0700
commit5c14e51d2d7df49fe0d4e64a12c58d2542f452ff (patch)
tree6a8eb6e9291fb96a13252f3ad0432b8b29e86b1a /tools/perf/scripts/python/exported-sql-viewer.py
parent631083143315d1b192bd7d915b967b37819e88ea (diff)
net: dsa: lan9303: ensure chip reset and wait for READY status
Accessing device registers seems to be not reliable, the chip revision is sometimes detected wrongly (0 instead of expected 1). Ensure that the chip reset is performed via reset GPIO and then wait for 'Device Ready' status in HW_CFG register before doing any register initializations. Cc: [email protected] Fixes: a1292595e006 ("net: dsa: add new DSA switch driver for the SMSC-LAN9303") Signed-off-by: Anatolij Gustschin <[email protected]> [alex: reworked using read_poll_timeout()] Signed-off-by: Alexander Sverdlin <[email protected]> Reviewed-by: Vladimir Oltean <[email protected]> Link: https://patch.msgid.link/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
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