diff options
| author | Stephen M. Cameron <scameron@beardog.cce.hp.com> | 2013-12-04 17:10:16 -0600 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2013-12-19 20:56:29 -0800 |
| commit | 97a5e98c1b6451cbbfd0436ea69e1df1c304fbc3 (patch) | |
| tree | f20f7d52b7c0f73970215018cdc7b81f9297b2e3 /drivers | |
| parent | 8a98db7386b5fed82dc1df25c904b6d0ae32a2cb (diff) | |
| download | linux-97a5e98c1b6451cbbfd0436ea69e1df1c304fbc3.tar.bz2 | |
[SCSI] hpsa: rename scsi prefetch field
The field contains more bits than just the one
to indicate whether scsi prefetch should be turned on.
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/hpsa.c | 14 | ||||
| -rw-r--r-- | drivers/scsi/hpsa_cmd.h | 3 |
2 files changed, 9 insertions, 8 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index f929875a9187..25afeb4c4a62 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -4382,15 +4382,15 @@ static inline bool hpsa_CISS_signature_present(struct ctlr_info *h) return true; } -/* Need to enable prefetch in the SCSI core for 6400 in x86 */ -static inline void hpsa_enable_scsi_prefetch(struct ctlr_info *h) +static inline void hpsa_set_driver_support_bits(struct ctlr_info *h) { #ifdef CONFIG_X86 - u32 prefetch; + /* Need to enable prefetch in the SCSI core for 6400 in x86 */ + u32 driver_support; - prefetch = readl(&(h->cfgtable->SCSI_Prefetch)); - prefetch |= 0x100; - writel(prefetch, &(h->cfgtable->SCSI_Prefetch)); + driver_support = readl(&(h->cfgtable->driver_support)); + driver_support |= ENABLE_SCSI_PREFETCH; + writel(driver_support, &(h->cfgtable->driver_support)); #endif } @@ -4501,7 +4501,7 @@ static int hpsa_pci_init(struct ctlr_info *h) err = -ENODEV; goto err_out_free_res; } - hpsa_enable_scsi_prefetch(h); + hpsa_set_driver_support_bits(h); hpsa_p600_dma_prefetch_quirk(h); err = hpsa_enter_simple_mode(h); if (err) diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h index a894f2eca7ac..5158709c00f6 100644 --- a/drivers/scsi/hpsa_cmd.h +++ b/drivers/scsi/hpsa_cmd.h @@ -356,7 +356,8 @@ struct CfgTable { u32 TransMethodOffset; u8 ServerName[16]; u32 HeartBeat; - u32 SCSI_Prefetch; + u32 driver_support; +#define ENABLE_SCSI_PREFETCH 0x100 u32 MaxScatterGatherElements; u32 MaxLogicalUnits; u32 MaxPhysicalDevices; |