xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[SCSI] hpsa: allow driver to put controller in either simple or performant mode

Browse Source 
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Stephen M. Cameron
2011-01-06 14:48:29 -06:00
committed by James Bottomley
parent 6eaf46fdc7
commit 02ec19c82e
2 changed files with 13 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/scsi/hpsa.c
View File

@@ -74,6 +74,10 @@ static int hpsa_allow_any;
module_param(hpsa_allow_any, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(hpsa_allow_any,
"Allow hpsa driver to access unknown HP Smart Array hardware");
static int hpsa_simple_mode;
module_param(hpsa_simple_mode, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(hpsa_simple_mode,
"Use 'simple mode' rather than 'performant mode'");
/* define the PCI info for the cards we can control */
static const struct pci_device_id hpsa_pci_device_id[] = {
@@ -4038,6 +4042,9 @@ static __devinit void hpsa_put_ctlr_into_performant_mode(struct ctlr_info *h)
{
u32 trans_support;
if (hpsa_simple_mode)
return;
trans_support = readl(&(h->cfgtable->TransportSupport));
if (!(trans_support & PERFORMANT_MODE))
return;