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scsi: cxlflash: Support AFU state toggling

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The AFU should be enabled following a successful configuration and disabled
near the end of the cleanup path.

Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com>
Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Reviewed-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Uma Krishnan
2018-03-26 11:33:05 -05:00
committed by Martin K. Petersen
parent 012f394cb8
commit 3351e4f025
1 changed files with 9 additions and 0 deletions
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9
drivers/scsi/cxlflash/ocxl_hw.c
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@ -342,12 +342,18 @@ static void ocxlflash_unconfig_afu(struct ocxl_hw_afu *afu)
static void ocxlflash_destroy_afu(void *afu_cookie)
{
struct ocxl_hw_afu *afu = afu_cookie;
int pos;
if (!afu)
return;
ocxlflash_release_context(afu->ocxl_ctx);
idr_destroy(&afu->idr);
/* Disable the AFU */
pos = afu->acfg.dvsec_afu_control_pos;
ocxl_config_set_afu_state(afu->pdev, pos, 0);
ocxlflash_unconfig_afu(afu);
kfree(afu);
}
@ -499,6 +505,9 @@ static int ocxlflash_config_afu(struct pci_dev *pdev, struct ocxl_hw_afu *afu)
__func__, rc);
goto out;
}
/* Enable the AFU */
ocxl_config_set_afu_state(pdev, acfg->dvsec_afu_control_pos, 1);
out:
return rc;
}