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Date: Mon, 18 Sep 2017 16:39:37 -0400 From: Roy Pledge <roy.pledge@....com> To: <leoyang.li@....com>, <linuxppc-dev@...ts.ozlabs.org>, <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org> CC: <oss@...error.net>, <madalin.bucur@....com>, <catalin.marinas@....com>, <linux@...linux.org.uk>, <arnd@...db.de>, <mark.rutland@....com>, Roy Pledge <roy.pledge@....com> Subject: [v5 02/12] soc/fsl/qbman: Use shared-dma-pool for BMan private memory allocations Use the shared-memory-pool mechanism for free buffer proxy record area allocation. Signed-off-by: Roy Pledge <roy.pledge@....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
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