summaryrefslogtreecommitdiffstats
path: root/drivers/acpi/osl.c
diff options
context:
space:
mode:
authorDaniel Vetter <daniel.vetter@ffwll.ch>2014-07-07 10:17:56 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2014-07-07 10:17:56 +0200
commitf1615bbe9be4def59c3b3eaddb60722efeed16c2 (patch)
treeca3020e65447576fc1826e819651e6ba072030b5 /drivers/acpi/osl.c
parentcfb3c0ab0903abb6ea5215b37eebd9c2a1f057eb (diff)
parentcd3de83f147601356395b57a8673e9c5ff1e59d1 (diff)
Merge tag 'v3.16-rc4' into drm-intel-next-queued
Due to Dave's vacation drm-next hasn't opened yet for 3.17 so I couldn't move my drm-intel-next queue forward yet like I usually do. Just pull in the latest upstream -rc to unblock patch merging - I don't want to needlessly rebase my current patch pile really and void all the testing we've done already. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/acpi/osl.c')
-rw-r--r--drivers/acpi/osl.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 147bc1b91b4..bad25b070fe 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -235,7 +235,8 @@ void acpi_os_vprintf(const char *fmt, va_list args)
static unsigned long acpi_rsdp;
static int __init setup_acpi_rsdp(char *arg)
{
- acpi_rsdp = simple_strtoul(arg, NULL, 16);
+ if (kstrtoul(arg, 16, &acpi_rsdp))
+ return -EINVAL;
return 0;
}
early_param("acpi_rsdp", setup_acpi_rsdp);
@@ -1810,6 +1811,16 @@ acpi_status __init acpi_os_initialize(void)
acpi_os_map_generic_address(&acpi_gbl_FADT.xpm1b_event_block);
acpi_os_map_generic_address(&acpi_gbl_FADT.xgpe0_block);
acpi_os_map_generic_address(&acpi_gbl_FADT.xgpe1_block);
+ if (acpi_gbl_FADT.flags & ACPI_FADT_RESET_REGISTER) {
+ /*
+ * Use acpi_os_map_generic_address to pre-map the reset
+ * register if it's in system memory.
+ */
+ int rv;
+
+ rv = acpi_os_map_generic_address(&acpi_gbl_FADT.reset_register);
+ pr_debug(PREFIX "%s: map reset_reg status %d\n", __func__, rv);
+ }
return AE_OK;
}
@@ -1838,6 +1849,8 @@ acpi_status acpi_os_terminate(void)
acpi_os_unmap_generic_address(&acpi_gbl_FADT.xgpe0_block);
acpi_os_unmap_generic_address(&acpi_gbl_FADT.xpm1b_event_block);
acpi_os_unmap_generic_address(&acpi_gbl_FADT.xpm1a_event_block);
+ if (acpi_gbl_FADT.flags & ACPI_FADT_RESET_REGISTER)
+ acpi_os_unmap_generic_address(&acpi_gbl_FADT.reset_register);
destroy_workqueue(kacpid_wq);
destroy_workqueue(kacpi_notify_wq);