diff mbox series

[v5,02/12] soc/fsl/qbman: Use shared-dma-pool for BMan private memory allocations

Message ID 1505767187-4596-3-git-send-email-roy.pledge@nxp.com (mailing list archive)
State Not Applicable
Headers show
Series soc/fsl/qbman: Enable QBMan on ARM Platforms | expand

Commit Message

Roy Pledge Sept. 18, 2017, 8:39 p.m. UTC 
Use the shared-memory-pool mechanism for free buffer proxy record
area allocation.

Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
---
 drivers/soc/fsl/qbman/bman_ccsr.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

Comments

Catalin Marinas Sept. 21, 2017, 2:30 p.m. UTC | #1 
On Mon, Sep 18, 2017 at 04:39:37PM -0400, Roy Pledge wrote:
> Use the shared-memory-pool mechanism for free buffer proxy record
> area allocation.
> 
> Signed-off-by: Roy Pledge <roy.pledge@nxp.com>

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
diff mbox series

Patch

diff --git a/drivers/soc/fsl/qbman/bman_ccsr.c b/drivers/soc/fsl/qbman/bman_ccsr.c
index eaa9585..05c4223 100644
--- a/drivers/soc/fsl/qbman/bman_ccsr.c
+++ b/drivers/soc/fsl/qbman/bman_ccsr.c
@@ -201,6 +201,21 @@  static int fsl_bman_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
+	/*
+	 * If FBPR memory wasn't defined using the qbman compatible string
+	 * try using the of_reserved_mem_device method
+	 */
+	if (!fbpr_a) {
+		ret = qbman_init_private_mem(dev, 0, &fbpr_a, &fbpr_sz);
+		if (ret) {
+			dev_err(dev, "qbman_init_private_mem() failed 0x%x\n",
+				ret);
+			return -ENODEV;
+		}
+	}
+
+	dev_dbg(dev, "Allocated FBPR 0x%llx 0x%zx\n", fbpr_a, fbpr_sz);
+
 	bm_set_memory(fbpr_a, fbpr_sz);
 
 	err_irq = platform_get_irq(pdev, 0);