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- From 213c59501bbd6da8c56e95f90f8a8c6af2682002 Mon Sep 17 00:00:00 2001
- From: Razvan Stefanescu <razvan.stefanescu@freescale.com>
- Date: Thu, 18 Feb 2016 10:54:40 +0200
- Subject: [PATCH 217/226] dpaa2-evb: Add object version check
- Abort probing if DPDMUX object version is smaller than required.
- Signed-off-by: Razvan Stefanescu <razvan.stefanescu@freescale.com>
- ---
- drivers/staging/fsl-dpaa2/evb/evb.c | 15 +++++++++++++++
- 1 file changed, 15 insertions(+)
- --- a/drivers/staging/fsl-dpaa2/evb/evb.c
- +++ b/drivers/staging/fsl-dpaa2/evb/evb.c
- @@ -44,6 +44,10 @@
- #include "dpdmux.h"
- #include "dpdmux-cmd.h"
-
- +/* Minimal supported DPDMUX version */
- +#define DPDMUX_MIN_VER_MAJOR 5
- +#define DPDMUX_MIN_VER_MINOR 0
- +
- /* IRQ index */
- #define DPDMUX_MAX_IRQ_NUM 2
-
- @@ -1004,6 +1008,17 @@ static int evb_init(struct fsl_mc_device
- goto err_close;
- }
-
- + /* Minimum supported DPDMUX version check */
- + if (priv->attr.version.major < DPDMUX_MIN_VER_MAJOR ||
- + (priv->attr.version.major == DPDMUX_MIN_VER_MAJOR &&
- + priv->attr.version.minor < DPDMUX_MIN_VER_MINOR)) {
- + dev_err(dev, "DPDMUX version %d.%d not supported. Use %d.%d or greater.\n",
- + priv->attr.version.major, priv->attr.version.minor,
- + DPDMUX_MIN_VER_MAJOR, DPDMUX_MIN_VER_MAJOR);
- + err = -ENOTSUPP;
- + goto err_close;
- + }
- +
- err = dpdmux_reset(priv->mc_io, 0, priv->mux_handle);
- if (unlikely(err)) {
- dev_err(dev, "dpdmux_reset err %d\n", err);
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