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path: root/drivers/spi/spi.c
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Diffstat (limited to 'drivers/spi/spi.c')
-rw-r--r--drivers/spi/spi.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index f996c600eb8c..004b10f184d4 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -543,17 +543,16 @@ static void spi_pump_messages(struct kthread_work *work)
543 /* Lock queue and check for queue work */ 543 /* Lock queue and check for queue work */
544 spin_lock_irqsave(&master->queue_lock, flags); 544 spin_lock_irqsave(&master->queue_lock, flags);
545 if (list_empty(&master->queue) || !master->running) { 545 if (list_empty(&master->queue) || !master->running) {
546 if (master->busy && master->unprepare_transfer_hardware) { 546 if (!master->busy) {
547 ret = master->unprepare_transfer_hardware(master); 547 spin_unlock_irqrestore(&master->queue_lock, flags);
548 if (ret) { 548 return;
549 spin_unlock_irqrestore(&master->queue_lock, flags);
550 dev_err(&master->dev,
551 "failed to unprepare transfer hardware\n");
552 return;
553 }
554 } 549 }
555 master->busy = false; 550 master->busy = false;
556 spin_unlock_irqrestore(&master->queue_lock, flags); 551 spin_unlock_irqrestore(&master->queue_lock, flags);
552 if (master->unprepare_transfer_hardware &&
553 master->unprepare_transfer_hardware(master))
554 dev_err(&master->dev,
555 "failed to unprepare transfer hardware\n");
557 return; 556 return;
558 } 557 }
559 558
@@ -984,7 +983,7 @@ static void acpi_register_spi_devices(struct spi_master *master)
984 acpi_status status; 983 acpi_status status;
985 acpi_handle handle; 984 acpi_handle handle;
986 985
987 handle = ACPI_HANDLE(&master->dev); 986 handle = ACPI_HANDLE(master->dev.parent);
988 if (!handle) 987 if (!handle)
989 return; 988 return;
990 989