HSI: omap_ssi_port: prepare start_tx/stop_tx for blocking pm_runtime calls

ssi_start_tx and ssi_stop_tx may be called from atomic context. Once
pm_runtime_irq_safe() is removed for omap-ssi, this will fail, due
to blocking pm_runtime_*_sync() calls.

This fixes ssi_stop_tx by using non-sync API and ssi_start_tx by
using a worker thread.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
Tested-by: Pavel Machek <pavel@ucw.cz>

2 files changed, 20 insertions, 5 deletions

diff --git a/drivers/hsi/controllers/omap_ssi.h b/drivers/hsi/controllers/omap_ssi.h

path: root/cpp.h

#ifndef CPP_H
#define CPP_H

extern int cpp_exec(char *in_file, char *out_file, size_t out_len, char *const argv[]);

#endif