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authorJeff Garzik <jeff@garzik.org>2007-10-03 15:15:40 -0400
committerJeff Garzik <jeff@garzik.org>2007-10-09 20:22:20 -0400
commit1855256c497ecfefc730df6032243f26855ce52c (patch)
treeb73947f1a5e1b798e1dec068ac1cda25ae910bf6 /drivers/acpi/thermal.c
parentbbf25010f1a6b761914430f5fca081ec8c7accd1 (diff)
downloadop-kernel-dev-1855256c497ecfefc730df6032243f26855ce52c.zip
op-kernel-dev-1855256c497ecfefc730df6032243f26855ce52c.tar.gz
drivers/firmware: const-ify DMI API and internals
Three main sets of changes: 1) dmi_get_system_info() return value should have been marked const, since callers should not be changing that data. 2) const-ify DMI internals, since DMI firmware tables should, whenever possible, be marked const to ensure we never ever write to that data area. 3) const-ify DMI API, to enable marking tables const where possible in low-level drivers. And if we're really lucky, this might enable some additional optimizations on the part of the compiler. The bulk of the changes are #2 and #3, which are interrelated. #1 could have been a separate patch, but it was so small compared to the others, it was easier to roll it into this changeset. Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/acpi/thermal.c')
-rw-r--r--drivers/acpi/thermal.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index bc6d586..ad898e1 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -1360,7 +1360,7 @@ static int acpi_thermal_resume(struct acpi_device *device)
}
#ifdef CONFIG_DMI
-static int thermal_act(struct dmi_system_id *d) {
+static int thermal_act(const struct dmi_system_id *d) {
if (act == 0) {
printk(KERN_NOTICE "ACPI: %s detected: "
@@ -1369,14 +1369,14 @@ static int thermal_act(struct dmi_system_id *d) {
}
return 0;
}
-static int thermal_nocrt(struct dmi_system_id *d) {
+static int thermal_nocrt(const struct dmi_system_id *d) {
printk(KERN_NOTICE "ACPI: %s detected: "
"disabling all critical thermal trip point actions.\n", d->ident);
nocrt = 1;
return 0;
}
-static int thermal_tzp(struct dmi_system_id *d) {
+static int thermal_tzp(const struct dmi_system_id *d) {
if (tzp == 0) {
printk(KERN_NOTICE "ACPI: %s detected: "
@@ -1385,7 +1385,7 @@ static int thermal_tzp(struct dmi_system_id *d) {
}
return 0;
}
-static int thermal_psv(struct dmi_system_id *d) {
+static int thermal_psv(const struct dmi_system_id *d) {
if (psv == 0) {
printk(KERN_NOTICE "ACPI: %s detected: "
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