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authorPraveen Talari <praveen.talari@oss.qualcomm.com>2026-07-16 12:08:43 +0530
committerAndi Shyti <andi.shyti@kernel.org>2026-07-28 17:38:40 +0200
commit3275b99ecb5d371df00581cac92ad0d890736b6b (patch)
treeaaef3ba67756a0ae7ddc49684edf1909f3e3fcf5 /tools/perf/scripts/python/stackcollapse.py
parentedf133cdeeb3cf8deb8166c07592061c6aedd385 (diff)
i2c: qcom-geni: use cancel command before abort on transfer timeout
The GENI I2C driver currently invokes geni_se_abort_m_cmd() directly when a transfer times out. However, the GENI hardware command cancellation flow requires a cancel command to be issued first. An abort should only be used as a fallback when the cancel operation itself fails to complete. Introduce a dedicated cancel_done completion that is signaled when M_CMD_CANCEL_EN is received. The timeout recovery path waits for cancel completion and escalates to geni_i2c_abort_xfer() only if the cancel command does not complete within the expected time. Co-developed-by: Naresh Maramaina <naresh.maramaina@oss.qualcomm.com> Signed-off-by: Naresh Maramaina <naresh.maramaina@oss.qualcomm.com> Signed-off-by: Praveen Talari <praveen.talari@oss.qualcomm.com> Reviewed-by: Mukesh Kumar Savaliya <mukesh.savaliya@oss.qualcomm.com> Signed-off-by: Andi Shyti <andi.shyti@kernel.org> Link: https://lore.kernel.org/r/20260716-fix_cancel_sequence_on_failure_for_i2c-v3-1-9091315a33a0@oss.qualcomm.com
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