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authorMahesh Rajashekhara <Mahesh.Rajashekhara@pmcs.com>2013-03-19 11:07:26 +0400
committerJames Bottomley <JBottomley@Parallels.com>2013-04-10 22:55:52 +0400
commit2c10cd43ac0b618be1f2e394bef4cbb2aa8bad34 (patch)
tree7bdfe559606cc5b8f8a129349116de491bd81023 /drivers/scsi/aacraid/src.c
parent162cca5ed9c28d5d0923179c2b5d6be0c4d4d72e (diff)
downloadlinux-2c10cd43ac0b618be1f2e394bef4cbb2aa8bad34.tar.xz
[SCSI] aacraid: Dual firmware image support
This patch adds dual flash firmware support for Series 7 and above controllers. [thenzl: used ssleep(10) instead udelay] Signed-off-by: Mahesh Rajashekhara <Mahesh.Rajashekhara@pmcs.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/aacraid/src.c')
-rw-r--r--drivers/scsi/aacraid/src.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/scsi/aacraid/src.c b/drivers/scsi/aacraid/src.c
index e2e349204e7d..0f56d8d7524f 100644
--- a/drivers/scsi/aacraid/src.c
+++ b/drivers/scsi/aacraid/src.c
@@ -703,6 +703,28 @@ int aac_srcv_init(struct aac_dev *dev)
!aac_src_restart_adapter(dev, 0))
++restart;
/*
+ * Check to see if flash update is running.
+ * Wait for the adapter to be up and running. Wait up to 5 minutes
+ */
+ status = src_readl(dev, MUnit.OMR);
+ if (status & FLASH_UPD_PENDING) {
+ start = jiffies;
+ do {
+ status = src_readl(dev, MUnit.OMR);
+ if (time_after(jiffies, start+HZ*FWUPD_TIMEOUT)) {
+ printk(KERN_ERR "%s%d: adapter flash update failed.\n",
+ dev->name, instance);
+ goto error_iounmap;
+ }
+ } while (!(status & FLASH_UPD_SUCCESS) &&
+ !(status & FLASH_UPD_FAILED));
+ /* Delay 10 seconds.
+ * Because right now FW is doing a soft reset,
+ * do not read scratch pad register at this time
+ */
+ ssleep(10);
+ }
+ /*
* Check to see if the board panic'd while booting.
*/
status = src_readl(dev, MUnit.OMR);
@@ -730,7 +752,9 @@ int aac_srcv_init(struct aac_dev *dev)
/*
* Wait for the adapter to be up and running. Wait up to 3 minutes
*/
- while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)) {
+ while (!((status = src_readl(dev, MUnit.OMR)) &
+ KERNEL_UP_AND_RUNNING) ||
+ status == 0xffffffff) {
if ((restart &&
(status & (KERNEL_PANIC|SELF_TEST_FAILED|MONITOR_PANIC))) ||
time_after(jiffies, start+HZ*startup_timeout)) {