From 4e552310cdf0c81210b5fc9173f7cf497eeb9feb Mon Sep 17 00:00:00 2001 From: Sebastian Reichel Date: Fri, 20 May 2016 06:25:06 +0200 Subject: HSI: omap_ssi: call msg->complete() from process context msg->complete() should always be called from process context once irq_safe runtime pm flag is no longer set for omap-ssi. Signed-off-by: Sebastian Reichel Tested-by: Pavel Machek --- drivers/hsi/controllers/omap_ssi_port.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'drivers/hsi/controllers/omap_ssi_port.c') diff --git a/drivers/hsi/controllers/omap_ssi_port.c b/drivers/hsi/controllers/omap_ssi_port.c index f91c6a4bb1a5..7717c769c4dd 100644 --- a/drivers/hsi/controllers/omap_ssi_port.c +++ b/drivers/hsi/controllers/omap_ssi_port.c @@ -193,6 +193,21 @@ static int ssi_debug_add_port(struct omap_ssi_port *omap_port, } #endif +static void ssi_process_errqueue(struct work_struct *work) +{ + struct omap_ssi_port *omap_port; + struct list_head *head, *tmp; + struct hsi_msg *msg; + + omap_port = container_of(work, struct omap_ssi_port, errqueue_work.work); + + list_for_each_safe(head, tmp, &omap_port->errqueue) { + msg = list_entry(head, struct hsi_msg, link); + msg->complete(msg); + list_del(head); + } +} + static int ssi_claim_lch(struct hsi_msg *msg) { @@ -1170,6 +1185,7 @@ static int ssi_port_probe(struct platform_device *pd) omap_port->pdev = &pd->dev; omap_port->port_id = port_id; + INIT_DEFERRABLE_WORK(&omap_port->errqueue_work, ssi_process_errqueue); INIT_WORK(&omap_port->work, start_tx_work); /* initialize HSI port */ @@ -1237,6 +1253,8 @@ static int ssi_port_remove(struct platform_device *pd) ssi_debug_remove_port(port); #endif + cancel_delayed_work_sync(&omap_port->errqueue_work); + hsi_port_unregister_clients(port); port->async = hsi_dummy_msg; -- cgit v1.2.3-58-ga151