clamp the DMA irq coalesc value to evade race

unsuccessfully

clamp the DMA irq coalesc value to evade race
unsuccessfully
27040ff8 · Juan David González Cobas · 583328e6 · 27040ff8
Commit 27040ff8 authored Sep 26, 2018 by Juan David González Cobas
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ft-irq.c kernel/ft-irq.c +1 -0

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--- a/kernel/ft-irq.c
+++ b/kernel/ft-irq.c
@@ -532,6 +532,7 @@ static void ft_dma_irq_coalescing_timeout_set(struct fmctdc_dev *ft,
 	uint32_t base, tmp;
 	int i;

+	timeout = 10;	/* FIXME: try to avoid DMA race */
 	for (i = (chan == -1 ? 0 : chan);
 	     i < (chan == -1 ? ft->zdev->n_cset : chan + 1);
 	     ++i) {