Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 28e13446 authored by Stephen M. Cameron's avatar Stephen M. Cameron Committed by James Bottomley
Browse files

[SCSI] hpsa: enable unit attention reporting 



This used to be the default, but at some point the firmware guys
changed the default and I failed to notice.  Now to get unit
attention notifications, you must twiddle a bit indicating you
want them.

Signed-off-by: default avatarStephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 97a5e98c

drivers/scsi/hpsa.c

+4 −3
Original line number Diff line number Diff line
@@ -4384,14 +4384,15 @@ static inline bool hpsa_CISS_signature_present(struct ctlr_info *h) 


static inline void hpsa_set_driver_support_bits(struct ctlr_info *h)

{

#ifdef CONFIG_X86

	/* Need to enable prefetch in the SCSI core for 6400 in x86 */

	u32 driver_support;



#ifdef CONFIG_X86

	/* Need to enable prefetch in the SCSI core for 6400 in x86 */

	driver_support = readl(&(h->cfgtable->driver_support));

	driver_support |= ENABLE_SCSI_PREFETCH;

	writel(driver_support, &(h->cfgtable->driver_support));

#endif

	driver_support |= ENABLE_UNIT_ATTN;

	writel(driver_support, &(h->cfgtable->driver_support));

}



/* Disable DMA prefetch for the P600.  Otherwise an ASIC bug may result

drivers/scsi/hpsa_cmd.h

+1 −0
Original line number Diff line number Diff line
@@ -358,6 +358,7 @@ struct CfgTable { 
	u32           HeartBeat;

	u32           driver_support;

#define			ENABLE_SCSI_PREFETCH 0x100

#define			ENABLE_UNIT_ATTN 0x01

	u32	 	MaxScatterGatherElements;

	u32		MaxLogicalUnits;

	u32		MaxPhysicalDevices;