Module Name: src
Committed By: thorpej
Date: Sun Mar 31 18:59:52 UTC 2024
Modified Files:
src/sys/dev/pci: pciide_common.c
Log Message:
As the final step in configuraing bus-master DMA, consult the boolean device
property "pciide-disable-dma" and disable bus-master DMA if that property is
present and true.
To generate a diff of this commit:
cvs rdiff -u -r1.70 -r1.71 src/sys/dev/pci/pciide_common.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/pci/pciide_common.c
diff -u src/sys/dev/pci/pciide_common.c:1.70 src/sys/dev/pci/pciide_common.c:1.71
--- src/sys/dev/pci/pciide_common.c:1.70 Mon Nov 20 21:59:38 2023
+++ src/sys/dev/pci/pciide_common.c Sun Mar 31 18:59:52 2024
@@ -1,4 +1,4 @@
-/* $NetBSD: pciide_common.c,v 1.70 2023/11/20 21:59:38 thorpej Exp $ */
+/* $NetBSD: pciide_common.c,v 1.71 2024/03/31 18:59:52 thorpej Exp $ */
/*
@@ -70,7 +70,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pciide_common.c,v 1.70 2023/11/20 21:59:38 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pciide_common.c,v 1.71 2024/03/31 18:59:52 thorpej Exp $");
#include <sys/param.h>
@@ -484,6 +484,16 @@ pciide_mapreg_dma(struct pciide_softc *s
aprint_verbose(
", but unused (forced off by config file)");
sc->sc_dma_ok = 0;
+ } else {
+ bool disable;
+
+ if (prop_dictionary_get_bool(
+ device_properties(sc->sc_wdcdev.sc_atac.atac_dev),
+ "pciide-disable-dma", &disable) && disable) {
+ aprint_verbose(
+ ", but unused (disabled by platform)");
+ sc->sc_dma_ok = 0;
+ }
}
break;
