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1866368a8a
LS1088A is an ARMv8 implementation combining eight ARM A53 processor cores. The LS1088ARDB is an evaluatoin platform that supports the LS1088A family SoCs. Features summary: - Eight 64-bit ARM v8 Cortex-A53 CPUs - Data path acceleration architecture 2.0 (DPAA2) - Ethernet interfaces - QUADSPI flash, 3 PCIe, 2 USB, 1 SD, 2 DUARTs etc Signed-off-by: Yutang Jiang <yutang.jiang@nxp.com>
44 lines
1.4 KiB
Diff
44 lines
1.4 KiB
Diff
From 213c59501bbd6da8c56e95f90f8a8c6af2682002 Mon Sep 17 00:00:00 2001
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From: Razvan Stefanescu <razvan.stefanescu@freescale.com>
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Date: Thu, 18 Feb 2016 10:54:40 +0200
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Subject: [PATCH 217/226] dpaa2-evb: Add object version check
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Abort probing if DPDMUX object version is smaller than required.
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Signed-off-by: Razvan Stefanescu <razvan.stefanescu@freescale.com>
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---
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drivers/staging/fsl-dpaa2/evb/evb.c | 15 +++++++++++++++
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1 file changed, 15 insertions(+)
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--- a/drivers/staging/fsl-dpaa2/evb/evb.c
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+++ b/drivers/staging/fsl-dpaa2/evb/evb.c
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@@ -44,6 +44,10 @@
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#include "dpdmux.h"
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#include "dpdmux-cmd.h"
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+/* Minimal supported DPDMUX version */
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+#define DPDMUX_MIN_VER_MAJOR 5
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+#define DPDMUX_MIN_VER_MINOR 0
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+
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/* IRQ index */
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#define DPDMUX_MAX_IRQ_NUM 2
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@@ -1004,6 +1008,17 @@ static int evb_init(struct fsl_mc_device
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goto err_close;
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}
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+ /* Minimum supported DPDMUX version check */
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+ if (priv->attr.version.major < DPDMUX_MIN_VER_MAJOR ||
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+ (priv->attr.version.major == DPDMUX_MIN_VER_MAJOR &&
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+ priv->attr.version.minor < DPDMUX_MIN_VER_MINOR)) {
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+ dev_err(dev, "DPDMUX version %d.%d not supported. Use %d.%d or greater.\n",
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+ priv->attr.version.major, priv->attr.version.minor,
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+ DPDMUX_MIN_VER_MAJOR, DPDMUX_MIN_VER_MAJOR);
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+ err = -ENOTSUPP;
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+ goto err_close;
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+ }
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+
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err = dpdmux_reset(priv->mc_io, 0, priv->mux_handle);
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if (unlikely(err)) {
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dev_err(dev, "dpdmux_reset err %d\n", err);
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