[PATCH 0/2] soundwire: qcom: Fix port handling bugs

[Srinivas Kandagatla]

This series fixes two bugs in the Qualcomm SoundWire controller driver
spotted by sashiko-bot:

1. An off-by-one in the port exhaustion check: find_first_zero_bit()
   returns the size argument (not size+1) when no free bit is found, so
   the existing `pn > maxport` guard is never true.  The driver would
   silently assign an out-of-range port instead of returning -EBUSY.

2. The sruntime[] array was sized by a hardcoded SWRM_MAX_DAIS constant
   (0xF = 15), while the actual port count comes from hardware and can
   exceed that with controllers supporting up to 17 ports.  Switch to a
   dynamic allocation at probe time so the limit tracks the hardware
   automatically.

Srinivas Kandagatla (2):
  soundwire: qcom: Fix port exhaustion check in stream_alloc_ports
  soundwire: qcom: Allocate sruntime array dynamically

 drivers/soundwire/qcom.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

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2.53.0