dmaengine: ste_dma40: fix pm runtime ref counting
The pm runtime reference counting of the driver is broken for the case when there is more than one transfer queued, leading to the device being runtime suspend while active. Fix it. Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Cc: stable@vger.kernel.org Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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@ -1566,10 +1566,12 @@ static void dma_tc_handle(struct d40_chan *d40c)
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return;
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}
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if (d40_queue_start(d40c) == NULL)
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if (d40_queue_start(d40c) == NULL) {
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d40c->busy = false;
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pm_runtime_mark_last_busy(d40c->base->dev);
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pm_runtime_put_autosuspend(d40c->base->dev);
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pm_runtime_mark_last_busy(d40c->base->dev);
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pm_runtime_put_autosuspend(d40c->base->dev);
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}
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d40_desc_remove(d40d);
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d40_desc_done(d40c, d40d);
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