forked from luck/tmp_suning_uos_patched
a4b7c0af61
[ Upstream commit 3d3e88e336338834086278236d42039f3cde50e1 ]
In sdw_prep_deprep_slave_ports(), after the wait_for_completion()
the DP prepare status register is read. If this indicates that the
port is now prepared, the code should continue with the port setup.
It is irrelevant whether the wait_for_completion() timed out if the
port is now ready.
The previous implementation would always fail if the
wait_for_completion() timed out, even if the port was reporting
successful prepare.
This patch also fixes a minor bug where the return from sdw_read()
was not checked for error - any error code with LSBits clear could
be misinterpreted as a successful port prepare.
Fixes:
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|---|---|---|
| .. | ||
| bus_type.c | ||
| bus.c | ||
| bus.h | ||
| cadence_master.c | ||
| cadence_master.h | ||
| debugfs.c | ||
| generic_bandwidth_allocation.c | ||
| intel_init.c | ||
| intel.c | ||
| intel.h | ||
| Kconfig | ||
| Makefile | ||
| master.c | ||
| mipi_disco.c | ||
| qcom.c | ||
| slave.c | ||
| stream.c | ||
| sysfs_local.h | ||
| sysfs_slave_dpn.c | ||
| sysfs_slave.c | ||