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Since the addition of the pre/post reset handlers, it became clear that we cannot do a I2400M-RT-BUS type reset while holding the init_mutex, as in the case of USB, it will deadlock when trying to call i2400m_pre_reset(). Thus, the following changes: - clarify the fact that calling bus_reset() w/ I2400M_RT_BUS while holding init_mutex is a no-no. - i2400m_dev_reset_handle() will do a BUS reset to recover a gone device after unlocking init_mutex. - in the USB reset implementation, when cold and warm reset fails, fallback to QUEUING a usb reset, not executing a USB reset, so it happens from another context and does not deadlock. Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com> |
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