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0cd478518f
Fixes a regression on spi flash devices (upstream commit 1583eaece6fa). Changelogs: * https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.7 * https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.8 * https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.9 * https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.1.10 096-ipv4-off-by-one-in-continuation-handling-in-proc-net.patch was applied upstream and dropped. Signed-off-by: Mathias Kresin <openwrt@kresin.me> [update from 4.1.9 to 4.1.10] Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> SVN-Revision: 47104
106 lines
3.6 KiB
Diff
106 lines
3.6 KiB
Diff
From 4f09499bc1d9bb095caccbcd73ff951ee631e521 Mon Sep 17 00:00:00 2001
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From: Mathieu Olivari <mathieu@codeaurora.org>
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Date: Fri, 8 May 2015 15:42:40 -0700
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Subject: [PATCH 1/8] stmmac: add phy-handle support to the platform layer
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On stmmac driver, PHY specification in device-tree was done using the
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non-standard property "snps,phy-addr". Specifying a PHY on a different
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MDIO bus that the one within the stmmac controller doesn't seem to be
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possible when device-tree is used.
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This change adds support for the phy-handle property, as specified in
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Documentation/devicetree/bindings/net/ethernet.txt.
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Signed-off-by: Mathieu Olivari <mathieu@codeaurora.org>
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---
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drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 28 ++++++++++++++--------
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.../net/ethernet/stmicro/stmmac/stmmac_platform.c | 6 ++++-
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include/linux/stmmac.h | 1 +
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3 files changed, 24 insertions(+), 11 deletions(-)
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--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
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+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
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@@ -52,6 +52,7 @@
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#include "stmmac_ptp.h"
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#include "stmmac.h"
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#include <linux/reset.h>
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+#include <linux/of_mdio.h>
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#define STMMAC_ALIGN(x) L1_CACHE_ALIGN(x)
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@@ -816,18 +817,25 @@ static int stmmac_init_phy(struct net_de
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priv->speed = 0;
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priv->oldduplex = -1;
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- if (priv->plat->phy_bus_name)
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- snprintf(bus_id, MII_BUS_ID_SIZE, "%s-%x",
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- priv->plat->phy_bus_name, priv->plat->bus_id);
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- else
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- snprintf(bus_id, MII_BUS_ID_SIZE, "stmmac-%x",
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- priv->plat->bus_id);
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-
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- snprintf(phy_id_fmt, MII_BUS_ID_SIZE + 3, PHY_ID_FMT, bus_id,
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- priv->plat->phy_addr);
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- pr_debug("stmmac_init_phy: trying to attach to %s\n", phy_id_fmt);
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+ if (priv->plat->phy_node) {
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+ phydev = of_phy_connect(dev, priv->plat->phy_node,
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+ &stmmac_adjust_link, 0, interface);
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+ } else {
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+ if (priv->plat->phy_bus_name)
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+ snprintf(bus_id, MII_BUS_ID_SIZE, "%s-%x",
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+ priv->plat->phy_bus_name, priv->plat->bus_id);
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+ else
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+ snprintf(bus_id, MII_BUS_ID_SIZE, "stmmac-%x",
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+ priv->plat->bus_id);
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+
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+ snprintf(phy_id_fmt, MII_BUS_ID_SIZE + 3, PHY_ID_FMT, bus_id,
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+ priv->plat->phy_addr);
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+ pr_debug("stmmac_init_phy: trying to attach to %s\n",
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+ phy_id_fmt);
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- phydev = phy_connect(dev, phy_id_fmt, &stmmac_adjust_link, interface);
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+ phydev = phy_connect(dev, phy_id_fmt, &stmmac_adjust_link,
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+ interface);
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+ }
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if (IS_ERR_OR_NULL(phydev)) {
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pr_err("%s: Could not attach to PHY\n", dev->name);
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--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
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+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
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@@ -28,6 +28,7 @@
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#include <linux/of.h>
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#include <linux/of_net.h>
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#include <linux/of_device.h>
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+#include <linux/of_mdio.h>
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#include "stmmac.h"
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#include "stmmac_platform.h"
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@@ -168,13 +169,16 @@ static int stmmac_probe_config_dt(struct
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/* Default to phy auto-detection */
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plat->phy_addr = -1;
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+ /* If we find a phy-handle property, use it as the PHY */
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+ plat->phy_node = of_parse_phandle(np, "phy-handle", 0);
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+
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/* "snps,phy-addr" is not a standard property. Mark it as deprecated
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* and warn of its use. Remove this when phy node support is added.
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*/
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if (of_property_read_u32(np, "snps,phy-addr", &plat->phy_addr) == 0)
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dev_warn(&pdev->dev, "snps,phy-addr property is deprecated\n");
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- if (plat->phy_bus_name)
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+ if (plat->phy_node || plat->phy_bus_name)
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plat->mdio_bus_data = NULL;
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else
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plat->mdio_bus_data =
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--- a/include/linux/stmmac.h
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+++ b/include/linux/stmmac.h
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@@ -99,6 +99,7 @@ struct plat_stmmacenet_data {
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int phy_addr;
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int interface;
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struct stmmac_mdio_bus_data *mdio_bus_data;
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+ struct device_node *phy_node;
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struct stmmac_dma_cfg *dma_cfg;
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int clk_csr;
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int has_gmac;
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