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12f950a6a1
commit c7a5378a0f707686de3ddb489f1653c523bb7dcc upstream.
Driver returns -EOPNOTSUPPORTED on unsupported parameters case in set
config. Upper level driver checks for -ENOTSUPP. Because of the return
code mismatch, the ioctls from userspace fail. Resolve the issue by
passing -ENOTSUPP during unsupported case.
Fixes: 7d3e4d807d ("misc: microchip: pci1xxxx: load gpio driver for the gpio controller auxiliary device enumerated by the auxiliary bus driver.")
Cc: stable <stable@kernel.org>
Signed-off-by: Rengarajan S <rengarajan.s@microchip.com>
Link: https://lore.kernel.org/r/20241205133626.1483499-3-rengarajan.s@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>