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| author | Wayne Boyer <wayneb@linux.vnet.ibm.com> | 2009-10-20 11:09:00 -0700 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2009-11-06 11:09:27 -0600 |
| commit | 3feeb89d40cc0ab3777f12571509b23da466105c (patch) | |
| tree | 04f54e8c652b284614a7435715f0bb53847fe4b0 /drivers/scsi/ipr.h | |
| parent | 61ec33eb7d8e1e94a93a8243238dc5f9a183001a (diff) | |
| download | lwn-3feeb89d40cc0ab3777f12571509b23da466105c.tar.gz lwn-3feeb89d40cc0ab3777f12571509b23da466105c.zip | |
[SCSI] ipr: add workaround for MSI interrupts on P7
This patch adds some additional logic to the interrupt service routine to fix
a potential problem where an MSI interrupt does not get cleared the first time.
Signed-off-by: Wayne Boyer <wayneb@linux.vnet.ibm.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/ipr.h')
| -rw-r--r-- | drivers/scsi/ipr.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h index 163245a1c3e5..19bbcf39f0c9 100644 --- a/drivers/scsi/ipr.h +++ b/drivers/scsi/ipr.h @@ -144,6 +144,7 @@ #define IPR_IOA_MAX_SECTORS 32767 #define IPR_VSET_MAX_SECTORS 512 #define IPR_MAX_CDB_LEN 16 +#define IPR_MAX_HRRQ_RETRIES 3 #define IPR_DEFAULT_BUS_WIDTH 16 #define IPR_80MBs_SCSI_RATE ((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8)) |