octeontx: fix thunderx BGX underflow irq name

request_irq requires irq names to be static/allocated and not on the stack

Signed-off-by: Tim Harvey <tharvey@gateworks.com>

diff --git a/target/linux/octeontx/patches-4.14/0001-net-thunderx-workaround-BGX-TX-Underflow-issue.patch b/target/linux/octeontx/patches-4.14/0001-net-thunderx-workaround-BGX-TX-Underflow-issue.patch
index ef7aef3a8afab7e3f022400d3d7e0b2a8e0b2efc..5743745d85c6efcca503a50f47ef0b7c816bb867 100644 (file)
--- a/target/linux/octeontx/patches-4.14/0001-net-thunderx-workaround-BGX-TX-Underflow-issue.patch
+++ b/target/linux/octeontx/patches-4.14/0001-net-thunderx-workaround-BGX-TX-Underflow-issue.patch
@@ -15,7 +15,15 @@ Signed-off-by: Tim Harvey <tharvey@gateworks.com>
 
 --- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
 +++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
-@@ -1344,6 +1344,54 @@ static int bgx_init_phy(struct bgx *bgx)
+@@ -56,6 +56,7 @@ struct bgx {
+       bool                    is_dlm;
+       bool                    is_rgx;
+       int                     phy_mode;
++      char                    irq_name[7];
+ };
+ 
+ static struct bgx *bgx_vnic[MAX_BGX_THUNDER];
+@@ -1344,6 +1345,53 @@ static int bgx_init_phy(struct bgx *bgx)
        return bgx_init_of_phy(bgx);
  }
  
@@ -49,7 +57,6 @@ Signed-off-by: Tim Harvey <tharvey@gateworks.com>
 +      struct bgx *bgx = pci_get_drvdata(pdev);
 +      struct device *dev = &pdev->dev;
 +      int num_vec, ret;
-+      char irq_name[32];
 +
 +      /* Enable MSI-X */
 +      num_vec = pci_msix_vec_count(pdev);
@@ -58,9 +65,9 @@ Signed-off-by: Tim Harvey <tharvey@gateworks.com>
 +              dev_err(dev, "Req for #%d msix vectors failed\n", num_vec);
 +              return 1;
 +      }
-+      sprintf(irq_name, "BGX%d", bgx->bgx_id);
++      sprintf(bgx->irq_name, "BGX%d", bgx->bgx_id);
 +      ret = request_irq(pci_irq_vector(pdev, GMPX_GMI_TX_INT),
-+              bgx_intr_handler, 0, irq_name, bgx);
++              bgx_intr_handler, 0, bgx->irq_name, bgx);
 +      if (ret)
 +              return 1;
 +