diff options
Diffstat (limited to 'target/linux/layerscape/patches-4.4/7213-staging-fsl-dpaa2-mac-Remove-version-checks.patch')
| -rw-r--r-- | target/linux/layerscape/patches-4.4/7213-staging-fsl-dpaa2-mac-Remove-version-checks.patch | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-4.4/7213-staging-fsl-dpaa2-mac-Remove-version-checks.patch b/target/linux/layerscape/patches-4.4/7213-staging-fsl-dpaa2-mac-Remove-version-checks.patch new file mode 100644 index 0000000000..2c7bb88cc0 --- /dev/null +++ b/target/linux/layerscape/patches-4.4/7213-staging-fsl-dpaa2-mac-Remove-version-checks.patch @@ -0,0 +1,61 @@ +From 3e4dc755337ca86d29c9f21f5225a77595aee032 Mon Sep 17 00:00:00 2001 +From: Ioana Radulescu <ruxandra.radulescu@nxp.com> +Date: Wed, 6 Apr 2016 12:12:06 +0300 +Subject: [PATCH 213/226] staging: fsl-dpaa2/mac: Remove version checks + +We intend to ensure backward compatibility with all MC versions +going forward, so we don't require an exact version match anymore +between MAC driver, DPMAC API version and DPMAC object version in +MC firmware. + +Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com> +(cherry picked from commit eafc210ef421fb0dca67b67bf1a2fe98cd060c31) +--- + drivers/staging/fsl-dpaa2/mac/mac.c | 29 ++--------------------------- + 1 file changed, 2 insertions(+), 27 deletions(-) + +--- a/drivers/staging/fsl-dpaa2/mac/mac.c ++++ b/drivers/staging/fsl-dpaa2/mac/mac.c +@@ -481,30 +481,6 @@ static struct device_node *lookup_node(s + return NULL; + } + +-static int check_dpmac_version(struct dpaa2_mac_priv *priv) +-{ +- struct device *dev = &priv->mc_dev->dev; +- int mc_version = priv->attr.version.major; +- +- /* Check that the FLIB-defined version matches the one reported by MC */ +- if (mc_version != DPMAC_VER_MAJOR) { +- dev_err(dev, "DPMAC FLIB version mismatch: MC says %d, we have %d\n", +- mc_version, DPMAC_VER_MAJOR); +- return -EINVAL; +- } +- +- /* ... and that we actually support it */ +- if (mc_version < DPAA2_SUPPORTED_DPMAC_VERSION) { +- dev_err(dev, "Unsupported DPMAC FLIB version (%d)\n", +- mc_version); +- return -EINVAL; +- } +- +- dev_dbg(dev, "Using DPMAC FLIB version %d\n", mc_version); +- +- return 0; +-} +- + static int dpaa2_mac_probe(struct fsl_mc_device *mc_dev) + { + struct device *dev; +@@ -558,9 +534,8 @@ static int dpaa2_mac_probe(struct fsl_mc + goto err_close; + } + +- err = check_dpmac_version(priv); +- if (err) +- goto err_close; ++ dev_info_once(dev, "Using DPMAC API %d.%d\n", ++ priv->attr.version.major, priv->attr.version.minor); + + /* Look up the DPMAC node in the device-tree. */ + dpmac_node = lookup_node(dev, priv->attr.id); |