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authorBjorn Andersson <[email protected]>2019-07-24 23:31:08 -0700
committerKalle Valo <[email protected]>2019-09-17 17:03:13 +0300
commit7165ef890a4c44cf16db66b82fd78448f4bde6ba (patch)
treee8b24ba70d78aa06fa559c7f7ddcd967ba64e4fa /tools/perf/scripts/python/intel-pt-events.py
parentb10f32672946ad638a430cc4289029b7acf8e979 (diff)
ath10k: Fix HOST capability QMI incompatibility
The introduction of 768ec4c012ac ("ath10k: update HOST capability QMI message") served the purpose of supporting the new and extended HOST capability QMI message. But while the new message adds a slew of optional members it changes the data type of the "daemon_support" member, which means that older versions of the firmware will fail to decode the incoming request message. There is no way to detect this breakage from Linux and there's no way to recover from sending the wrong message (i.e. we can't just try one format and then fallback to the other), so a quirk is introduced in DeviceTree to indicate to the driver that the firmware requires the 8bit version of this message. Cc: [email protected] Fixes: 768ec4c012ac ("ath10k: update HOST capability qmi message") Signed-off-by: Bjorn Andersson <[email protected]> Acked-by: Rob Herring <[email protected]> Signed-off-by: Kalle Valo <[email protected]>
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