From: Uma Krishnan <ukrishn@linux.vnet.ibm.com>
Date: Mon, 26 Mar 2018 16:33:28 +0000 (-0500)
Subject: scsi: cxlflash: Setup OCXL transaction layer
X-Git-Tag: v4.19~824^2~246
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c52bf5b384532ebc49deea16daf65c5cd1afbab2;p=platform%2Fkernel%2Flinux-rpi.git

scsi: cxlflash: Setup OCXL transaction layer

The first function of the link needs to configure the transaction layer
between the host and device. This is accomplished by a call to the OCXL
provider services.

Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com>
Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---

diff --git a/drivers/scsi/cxlflash/ocxl_hw.c b/drivers/scsi/cxlflash/ocxl_hw.c
index 67517f8..db612bd 100644
--- a/drivers/scsi/cxlflash/ocxl_hw.c
+++ b/drivers/scsi/cxlflash/ocxl_hw.c
@@ -422,8 +422,18 @@ static int ocxlflash_config_fn(struct pci_dev *pdev, struct ocxl_hw_afu *afu)
 			__func__, rc);
 		goto out;
 	}
+
+	rc = ocxl_config_set_TL(pdev, fcfg->dvsec_tl_pos);
+	if (unlikely(rc)) {
+		dev_err(dev, "%s: ocxl_config_set_TL failed rc=%d\n",
+			__func__, rc);
+		goto err;
+	}
 out:
 	return rc;
+err:
+	ocxl_link_release(pdev, afu->link_token);
+	goto out;
 }
 
 /**