Add missing locking calls to eso_attach() to avoid panic on boot.
Partly based on a patch from mrg. Fixes PR kern/46791.
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@ -1,4 +1,4 @@
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/* $NetBSD: eso.c,v 1.60 2012/05/15 18:11:28 mrg Exp $ */
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/* $NetBSD: eso.c,v 1.61 2012/08/12 18:39:32 gson Exp $ */
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/*-
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* Copyright (c) 2008 The NetBSD Foundation, Inc.
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@ -62,7 +62,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: eso.c,v 1.60 2012/05/15 18:11:28 mrg Exp $");
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__KERNEL_RCSID(0, "$NetBSD: eso.c,v 1.61 2012/08/12 18:39:32 gson Exp $");
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#include "mpu.h"
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@ -260,13 +260,16 @@ eso_attach(device_t parent, device_t self, void *aux)
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pci_intr_handle_t ih;
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bus_addr_t vcbase;
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const char *intrstring;
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int idx;
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int idx, error;
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uint8_t a2mode, mvctl;
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sc = device_private(self);
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pa = aux;
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aprint_naive(": Audio controller\n");
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mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
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mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
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sc->sc_revision = PCI_REVISION(pa->pa_class);
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aprint_normal(": ESS Solo-1 PCI AudioDrive ");
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if (sc->sc_revision <
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@ -314,7 +317,10 @@ eso_attach(device_t parent, device_t self, void *aux)
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PCI_COMMAND_MASTER_ENABLE);
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/* Reset the device; bail out upon failure. */
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if (eso_reset(sc) != 0) {
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mutex_spin_enter(&sc->sc_intr_lock);
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error = eso_reset(sc);
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mutex_spin_exit(&sc->sc_intr_lock);
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if (error != 0) {
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aprint_error_dev(&sc->sc_dev, "can't reset\n");
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return;
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}
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@ -329,6 +335,8 @@ eso_attach(device_t parent, device_t self, void *aux)
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ESO_IO_IRQCTL_A1IRQ | ESO_IO_IRQCTL_A2IRQ | ESO_IO_IRQCTL_HVIRQ |
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ESO_IO_IRQCTL_MPUIRQ);
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mutex_spin_enter(&sc->sc_intr_lock);
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/* Set up A1's sample rate generator for new-style parameters. */
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a2mode = eso_read_mixreg(sc, ESO_MIXREG_A2MODE);
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a2mode |= ESO_MIXREG_A2MODE_NEWA1 | ESO_MIXREG_A2MODE_ASYNC;
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@ -373,17 +381,17 @@ eso_attach(device_t parent, device_t self, void *aux)
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sc->sc_gain[idx][ESO_LEFT] = sc->sc_gain[idx][ESO_RIGHT] = v;
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eso_set_gain(sc, idx);
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}
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eso_set_recsrc(sc, ESO_MIXREG_ERS_MIC);
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mutex_spin_exit(&sc->sc_intr_lock);
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/* Map and establish the interrupt. */
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if (pci_intr_map(pa, &ih)) {
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aprint_error_dev(&sc->sc_dev, "couldn't map interrupt\n");
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return;
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}
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mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
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mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
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intrstring = pci_intr_string(pa->pa_pc, ih);
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sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_AUDIO, eso_intr, sc);
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if (sc->sc_ih == NULL) {
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