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[v2,22/38] cxlflash: Setup OCXL transaction layer

Message ID 1519683785-17547-1-git-send-email-ukrishn@linux.vnet.ibm.com (mailing list archive)
State Changes Requested
Headers show

Commit Message

Uma Krishnan Feb. 26, 2018, 10:23 p.m. UTC 
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>
---
 drivers/scsi/cxlflash/ocxl_hw.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
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Patch

diff --git a/drivers/scsi/cxlflash/ocxl_hw.c b/drivers/scsi/cxlflash/ocxl_hw.c
index ea2906d..a388981 100644
--- a/drivers/scsi/cxlflash/ocxl_hw.c
+++ b/drivers/scsi/cxlflash/ocxl_hw.c
@@ -419,8 +419,18 @@  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;
 }
 
 /**