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authorKevin Barnett <kevin.barnett@microsemi.com>2016-08-31 14:54:41 -0500
committerMartin K. Petersen <martin.petersen@oracle.com>2016-09-02 06:21:38 -0400
commitff6abb7383d2eec6c8c988ff661352e66f245686 (patch)
treedf6501219015b5c0c70684eb0ef39ff50223ea5e /drivers/scsi/smartpqi/smartpqi_sis.c
parent14bb215d09de98a8e95fa2bb1b8f35b79672c5df (diff)
scsi: smartpqi: add kdump support
Reviewed-by: Scott Teel <scott.teel@microsemi.com> Reviewed-by: Scott Benesh <scott.benesh@microsemi.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Kevin Barnett <kevin.barnett@microsemi.com> Signed-off-by: Don Brace <don.brace@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/smartpqi/smartpqi_sis.c')
-rw-r--r--drivers/scsi/smartpqi/smartpqi_sis.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/scsi/smartpqi/smartpqi_sis.c b/drivers/scsi/smartpqi/smartpqi_sis.c
index 5d416a8aa462..71408f9e8f75 100644
--- a/drivers/scsi/smartpqi/smartpqi_sis.c
+++ b/drivers/scsi/smartpqi/smartpqi_sis.c
@@ -376,6 +376,16 @@ int sis_reenable_sis_mode(struct pqi_ctrl_info *ctrl_info)
return rc;
}
+void sis_write_driver_scratch(struct pqi_ctrl_info *ctrl_info, u32 value)
+{
+ writel(value, &ctrl_info->registers->sis_driver_scratch);
+}
+
+u32 sis_read_driver_scratch(struct pqi_ctrl_info *ctrl_info)
+{
+ return readl(&ctrl_info->registers->sis_driver_scratch);
+}
+
static void __attribute__((unused)) verify_structures(void)
{
BUILD_BUG_ON(offsetof(struct sis_base_struct,