shithub: riscv

Info  •  Files  •  Log  •  Branches

audiohda: do not enable interrupts before intrenable()

When using /dev/reboot, the MSI vecor might have already
been setup causing interrupts to fire on the designated
cpu while we send the commands to the card.

--- a/sys/src/9/pc/audiohda.c

+++ b/sys/src/9/pc/audiohda.c

@@ -1752,9 +1752,6 @@

 	waitup8(ctlr, Rirbctl, Rirbdma, Rirbdma);

-	/* enable interrupts */

-	csr32(ctlr, Intctl) |= Gie | Cie;

-	

 	return 0;

 }

@@ -1958,6 +1955,9 @@

 	adev->ctl = hdactl;

 	intrenable(irq, hdainterrupt, adev, tbdf, "hda");

+	

+	/* enable interrupts */

+	csr32(ctlr, Intctl) |= Gie | Cie;

 	ctlr->q = qopen(256, 0, 0, 0);