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-rw-r--r--miscutils/Config.in8
-rw-r--r--miscutils/hdparm.c6
2 files changed, 13 insertions, 1 deletions
diff --git a/miscutils/Config.in b/miscutils/Config.in
index 0c56f0e..a994c50 100644
--- a/miscutils/Config.in
+++ b/miscutils/Config.in
@@ -100,6 +100,14 @@ config CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
and the '-b' option to get/set bus state. This is dangerous
stuff, so you should probably say N.
+config CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
+ bool " get/set using_dma flag (DANGEROUS)"
+ default n
+ depends on CONFIG_HDPARM
+ help
+ Enables the 'hdparm -d' option to get/set using_dma flag.
+ This is dangerous stuff, so you should probably say N.
+
config CONFIG_MAKEDEVS
bool "makedevs"
default n
diff --git a/miscutils/hdparm.c b/miscutils/hdparm.c
index eb4991e..0263f28 100644
--- a/miscutils/hdparm.c
+++ b/miscutils/hdparm.c
@@ -1820,6 +1820,7 @@ static void process_dev (char *devname)
if (ioctl(fd, HDIO_SET_UNMASKINTR, unmask))
bb_perror_msg(" HDIO_SET_UNMASKINTR failed");
}
+#ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
if (set_dma) {
no_scsi();
if (get_dma) {
@@ -1829,6 +1830,7 @@ static void process_dev (char *devname)
if (ioctl(fd, HDIO_SET_DMA, dma))
bb_perror_msg(" HDIO_SET_DMA failed");
}
+#endif /* CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA */
if (set_dma_q) {
no_scsi();
if (get_dma_q) {
@@ -2080,7 +2082,7 @@ static void process_dev (char *devname)
}
}
-#ifdef CONFIG_FEATURE_HDPARM_HDIO_GET_DMA
+#ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
if ((verbose && !is_scsi_hd) || get_dma) {
no_scsi();
if (ioctl(fd, HDIO_GET_DMA, &parm))
@@ -2382,6 +2384,7 @@ int hdparm_main(int argc, char **argv)
unmask = *p++ - '0';
}
break;
+#ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
case 'd':
get_dma = noisy;
noisy = 1;
@@ -2392,6 +2395,7 @@ int hdparm_main(int argc, char **argv)
dma = *p++ - '0';
}
break;
+#endif /* CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA */
case 'n':
get_nowerr = noisy;
noisy = 1;