[v5 02/12] soc/fsl/qbman: Use shared-dma-pool for BMan private memory allocations
From: roy.pledge@nxp.com (Roy Pledge)
Date: 2017-09-18 20:43:07
Also in:
linux-devicetree, linuxppc-dev, lkml
Subsystem:
freescale soc drivers, the rest · Maintainers:
Christophe Leroy, Linus Torvalds
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