From: Roy Pledge <roy.pledge@nxp.com>
To: <leoyang.li@nxp.com>, <linuxppc-dev@lists.ozlabs.org>,
        <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
        <devicetree@vger.kernel.org>
CC: <oss@buserror.net>, <madalin.bucur@nxp.com>, <catalin.marinas@arm.com>,
        <linux@armlinux.org.uk>, <arnd@arndb.de>, <mark.rutland@arm.com>,
        Roy Pledge <roy.pledge@nxp.com>
Subject: [v5 02/12] soc/fsl/qbman: Use shared-dma-pool for BMan private memory allocations
Date: Mon, 18 Sep 2017 16:39:37 -0400
Message-ID: <1505767187-4596-3-git-send-email-roy.pledge@nxp.com>
In-Reply-To: <1505767187-4596-1-git-send-email-roy.pledge@nxp.com>
References: <1505767187-4596-1-git-send-email-roy.pledge@nxp.com>
Reply-To: <roy.pledge@nxp.com>
MIME-Version: 1.0
Content-Type: text/plain
SpamDiagnosticOutput: 1:99
SpamDiagnosticMetadata: NSPM
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Sep 2017 20:39:52.6148
 (UTC)
X-MS-Exchange-CrossTenant-Id: 5afe0b00-7697-4969-b663-5eab37d5f47e
X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=5afe0b00-7697-4969-b663-5eab37d5f47e;Ip=[192.88.168.50];Helo=[tx30smr01.am.freescale.net]
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR03MB2692
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
Content-Length: 995
Lines: 36

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(+)

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);
-- 
2.7.4