diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0178-staging-dpaa2-mac-add-link-up-down-events-for-dpmac.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0178-staging-dpaa2-mac-add-link-up-down-events-for-dpmac.patch | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0178-staging-dpaa2-mac-add-link-up-down-events-for-dpmac.patch b/target/linux/layerscape/patches-5.4/701-net-0178-staging-dpaa2-mac-add-link-up-down-events-for-dpmac.patch deleted file mode 100644 index 9fbd8c79ab..0000000000 --- a/target/linux/layerscape/patches-5.4/701-net-0178-staging-dpaa2-mac-add-link-up-down-events-for-dpmac.patch +++ /dev/null @@ -1,91 +0,0 @@ -From 3b07b109823a593f43e794cbf44ba3a84ceefbdb Mon Sep 17 00:00:00 2001 -From: Florin Chiculita <florinlaurentiu.chiculita@nxp.com> -Date: Fri, 23 Aug 2019 18:02:27 +0300 -Subject: [PATCH] staging: dpaa2-mac: add link up/down events for dpmac - -Fix a limitation that affects the networking behavior when the user -issues ifconfig down/up on a DPNI and the link remains down. -The actual problem was that the mac driver was not aware of the -dpni link change event. Now, the event is sent by firmware and -phylib state machine is manipulated conveniently. - -Signed-off-by: Florin Chiculita <florinlaurentiu.chiculita@nxp.com> -Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> ---- - drivers/staging/fsl-dpaa2/mac/dpmac.h | 5 +++++ - drivers/staging/fsl-dpaa2/mac/mac.c | 15 ++++++++++++--- - 2 files changed, 17 insertions(+), 3 deletions(-) - ---- a/drivers/staging/fsl-dpaa2/mac/dpmac.h -+++ b/drivers/staging/fsl-dpaa2/mac/dpmac.h -@@ -124,6 +124,11 @@ int dpmac_destroy(struct fsl_mc_io *mc_i - * IRQ event - Indicates that the link state changed - */ - #define DPMAC_IRQ_EVENT_LINK_CHANGED 0x00000002 -+/** -+ * IRQ event - Indicate if the phy needs to suspend or resume -+ */ -+#define DPMAC_IRQ_EVENT_LINK_UP_REQ 0x00000004 -+#define DPMAC_IRQ_EVENT_LINK_DOWN_REQ 0x00000008 - - int dpmac_set_irq_enable(struct fsl_mc_io *mc_io, - u32 cmd_flags, ---- a/drivers/staging/fsl-dpaa2/mac/mac.c -+++ b/drivers/staging/fsl-dpaa2/mac/mac.c -@@ -181,6 +181,7 @@ static void dpaa2_mac_link_changed(struc - dev_err(&priv->mc_dev->dev, "dpmac_set_link_state: %d\n", err); - } - -+#ifdef CONFIG_FSL_DPAA2_MAC_NETDEVS - static int dpaa2_mac_open(struct net_device *netdev) - { - /* start PHY state machine */ -@@ -188,6 +189,7 @@ static int dpaa2_mac_open(struct net_dev - - return 0; - } -+#endif - - static int dpaa2_mac_stop(struct net_device *netdev) - { -@@ -450,6 +452,7 @@ static irqreturn_t dpaa2_mac_irq_handler - struct device *dev = (struct device *)arg; - struct fsl_mc_device *mc_dev = to_fsl_mc_device(dev); - struct dpaa2_mac_priv *priv = dev_get_drvdata(dev); -+ struct net_device *ndev = priv->netdev; - struct dpmac_link_cfg link_cfg = { 0 }; - u32 status; - int err; -@@ -475,6 +478,12 @@ static irqreturn_t dpaa2_mac_irq_handler - configure_link(priv, &link_cfg); - } - -+ if (status & DPMAC_IRQ_EVENT_LINK_UP_REQ) -+ phy_start(ndev->phydev); -+ -+ if (status & DPMAC_IRQ_EVENT_LINK_DOWN_REQ) -+ phy_stop(ndev->phydev); -+ - out: - dpmac_clear_irq_status(mc_dev->mc_io, 0, mc_dev->mc_handle, - DPMAC_IRQ_INDEX, status); -@@ -505,7 +514,9 @@ static int setup_irqs(struct fsl_mc_devi - } - - err = dpmac_set_irq_mask(mc_dev->mc_io, 0, mc_dev->mc_handle, -- DPMAC_IRQ_INDEX, DPMAC_IRQ_EVENT_LINK_CFG_REQ); -+ DPMAC_IRQ_INDEX, DPMAC_IRQ_EVENT_LINK_CFG_REQ | -+ DPMAC_IRQ_EVENT_LINK_UP_REQ | -+ DPMAC_IRQ_EVENT_LINK_DOWN_REQ); - if (err) { - dev_err(&mc_dev->dev, "dpmac_set_irq_mask err %d\n", err); - goto free_irq; -@@ -734,8 +745,6 @@ probe_fixed_link: - dev_info(dev, "Registered fixed PHY.\n"); - } - -- dpaa2_mac_open(netdev); -- - return 0; - - err_no_if_mode: |