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[SCSI] ipr: Remove unnecessary interrupt clearing on new adapters

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The latest ipr hardware no longer requires the driver to issue any MMIOs
to clear the interrupt so remove this to optimize performance.

Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Brian King
2012-03-14 21:20:08 -05:00
committed by James Bottomley
parent 0ee1d714c2
commit 7dd21308b1
2 changed files with 17 additions and 6 deletions
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2
drivers/scsi/ipr.h
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@@ -1306,6 +1306,7 @@ struct ipr_interrupts {
struct ipr_chip_cfg_t {
u32 mailbox;
u8 cache_line_size;
u8 clear_isr;
struct ipr_interrupt_offsets regs;
};
@@ -1388,6 +1389,7 @@ struct ipr_ioa_cfg {
u8 sis64:1;
u8 dump_timeout:1;
u8 cfg_locked:1;
u8 clear_isr:1;
u8 revid;