1 From 213c59501bbd6da8c56e95f90f8a8c6af2682002 Mon Sep 17 00:00:00 2001
2 From: Razvan Stefanescu <razvan.stefanescu@freescale.com>
3 Date: Thu, 18 Feb 2016 10:54:40 +0200
4 Subject: [PATCH 217/226] dpaa2-evb: Add object version check
6 Abort probing if DPDMUX object version is smaller than required.
8 Signed-off-by: Razvan Stefanescu <razvan.stefanescu@freescale.com>
10 drivers/staging/fsl-dpaa2/evb/evb.c | 15 +++++++++++++++
11 1 file changed, 15 insertions(+)
13 --- a/drivers/staging/fsl-dpaa2/evb/evb.c
14 +++ b/drivers/staging/fsl-dpaa2/evb/evb.c
17 #include "dpdmux-cmd.h"
19 +/* Minimal supported DPDMUX version */
20 +#define DPDMUX_MIN_VER_MAJOR 5
21 +#define DPDMUX_MIN_VER_MINOR 0
24 #define DPDMUX_MAX_IRQ_NUM 2
26 @@ -1004,6 +1008,17 @@ static int evb_init(struct fsl_mc_device
30 + /* Minimum supported DPDMUX version check */
31 + if (priv->attr.version.major < DPDMUX_MIN_VER_MAJOR ||
32 + (priv->attr.version.major == DPDMUX_MIN_VER_MAJOR &&
33 + priv->attr.version.minor < DPDMUX_MIN_VER_MINOR)) {
34 + dev_err(dev, "DPDMUX version %d.%d not supported. Use %d.%d or greater.\n",
35 + priv->attr.version.major, priv->attr.version.minor,
36 + DPDMUX_MIN_VER_MAJOR, DPDMUX_MIN_VER_MAJOR);
41 err = dpdmux_reset(priv->mc_io, 0, priv->mux_handle);
43 dev_err(dev, "dpdmux_reset err %d\n", err);