[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: Stephen M. Cameron <scameron@beardog.cce.hp.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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@ -4384,14 +4384,15 @@ static inline bool hpsa_CISS_signature_present(struct ctlr_info *h)
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static inline void hpsa_set_driver_support_bits(struct ctlr_info *h)
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{
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#ifdef CONFIG_X86
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/* Need to enable prefetch in the SCSI core for 6400 in x86 */
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u32 driver_support;
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#ifdef CONFIG_X86
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/* Need to enable prefetch in the SCSI core for 6400 in x86 */
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driver_support = readl(&(h->cfgtable->driver_support));
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driver_support |= ENABLE_SCSI_PREFETCH;
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writel(driver_support, &(h->cfgtable->driver_support));
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#endif
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driver_support |= ENABLE_UNIT_ATTN;
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writel(driver_support, &(h->cfgtable->driver_support));
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}
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/* Disable DMA prefetch for the P600. Otherwise an ASIC bug may result
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@ -358,6 +358,7 @@ struct CfgTable {
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u32 HeartBeat;
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u32 driver_support;
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#define ENABLE_SCSI_PREFETCH 0x100
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#define ENABLE_UNIT_ATTN 0x01
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u32 MaxScatterGatherElements;
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u32 MaxLogicalUnits;
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u32 MaxPhysicalDevices;
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