diff options
| author | Prabhakar Kushwaha <prabhakar@freescale.com> | 2015-12-24 15:32:37 +0530 |
|---|---|---|
| committer | York Sun <york.sun@nxp.com> | 2016-01-27 08:13:10 -0800 |
| commit | 9a696f56fcabc3d7ddd120712cc3a70b085ea412 (patch) | |
| tree | 5cc3b22620736ca722f1a303c1568a0ceaf192e7 /drivers/net/ldpaa_eth/ldpaa_eth.c | |
| parent | 856b284617eea5688ccf5f4655f8d70ac5ae5fbb (diff) | |
driver: net: fsl-mc: Add version check for MC objects
Check and compare version of management complex's object with
the version supported by Freescale ldpaa2 ethernet driver.
Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'drivers/net/ldpaa_eth/ldpaa_eth.c')
| -rw-r--r-- | drivers/net/ldpaa_eth/ldpaa_eth.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/net/ldpaa_eth/ldpaa_eth.c b/drivers/net/ldpaa_eth/ldpaa_eth.c index 3857122bd0..dd9af4e1fe 100644 --- a/drivers/net/ldpaa_eth/ldpaa_eth.c +++ b/drivers/net/ldpaa_eth/ldpaa_eth.c @@ -599,6 +599,29 @@ static void ldpaa_dpbp_free(void) dpbp_close(dflt_mc_io, MC_CMD_NO_FLAGS, dflt_dpbp->dpbp_handle); } +static int ldpaa_dpmac_version_check(struct fsl_mc_io *mc_io, + struct ldpaa_eth_priv *priv) +{ + struct dpmac_attr attr; + int error; + + memset(&attr, 0, sizeof(struct dpmac_attr)); + error = dpmac_get_attributes(mc_io, MC_CMD_NO_FLAGS, + priv->dpmac_handle, + &attr); + if (error == 0) { + if ((attr.version.major != DPMAC_VER_MAJOR) || + (attr.version.minor != DPMAC_VER_MINOR)) { + printf("DPMAC version mismatch found %u.%u,", + attr.version.major, attr.version.minor); + printf("supported version is %u.%u\n", + DPMAC_VER_MAJOR, DPMAC_VER_MINOR); + } + } + + return error; +} + static int ldpaa_dpmac_setup(struct ldpaa_eth_priv *priv) { int err = 0; @@ -609,6 +632,11 @@ static int ldpaa_dpmac_setup(struct ldpaa_eth_priv *priv) &priv->dpmac_handle); if (err) printf("dpmac_create() failed\n"); + + err = ldpaa_dpmac_version_check(dflt_mc_io, priv); + if (err < 0) + printf("ldpaa_dpmac_version_check() failed: %d\n", err); + return err; } |