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Revert "stmmac: Fix 'eth0: No PHY found' regression" (Closes: #823493)

This commit is contained in:
Ben Hutchings 2016-05-23 00:59:14 +01:00
parent 3cbe9e18c1
commit b88823f96b
3 changed files with 95 additions and 0 deletions
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1
debian/changelog vendored
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@ -6,6 +6,7 @@ linux (4.5.4-2) UNRELEASED; urgency=medium
[ Ben Hutchings ]
* aufs: Update support patches to aufs4.5-20160523
- mmap: Fix use-after-free in remap_file_pages(2)
* Revert "stmmac: Fix 'eth0: No PHY found' regression" (Closes: #823493)
-- Salvatore Bonaccorso <carnil@debian.org> Sat, 21 May 2016 16:47:59 +0200

93
debian/patches/bugfix/all/revert-stmmac-fix-eth0-no-phy-found-regression.patch vendored Normal file
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@ -0,0 +1,93 @@
From: Giuseppe CAVALLARO <peppe.cavallaro@st.com>
Date: Fri, 1 Apr 2016 09:07:15 +0200
Subject: Revert "stmmac: Fix 'eth0: No PHY found' regression"
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Origin: https://git.kernel.org/linus/d7e944c8ddc0983640a9a32868fb217485d12ca2
Bug-Debian: https://bugs.debian.org/823493
This reverts commit 88f8b1bb41c6208f81b6a480244533ded7b59493.
due to problems on GeekBox and Banana Pi M1 board when
connected to a real transceiver instead of a switch via
fixed-link.
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: Gabriel Fernandez <gabriel.fernandez@linaro.org>
Cc: Andreas Färber <afaerber@suse.de>
Cc: Frank Schäfer <fschaefer.oss@googlemail.com>
Cc: Dinh Nguyen <dinh.linux@gmail.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 11 ++++++++++-
drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 9 +--------
include/linux/stmmac.h | 1 -
3 files changed, 11 insertions(+), 10 deletions(-)
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -199,12 +199,21 @@ int stmmac_mdio_register(struct net_devi
struct stmmac_priv *priv = netdev_priv(ndev);
struct stmmac_mdio_bus_data *mdio_bus_data = priv->plat->mdio_bus_data;
int addr, found;
- struct device_node *mdio_node = priv->plat->mdio_node;
+ struct device_node *mdio_node = NULL;
+ struct device_node *child_node = NULL;
if (!mdio_bus_data)
return 0;
if (IS_ENABLED(CONFIG_OF)) {
+ for_each_child_of_node(priv->device->of_node, child_node) {
+ if (of_device_is_compatible(child_node,
+ "snps,dwmac-mdio")) {
+ mdio_node = child_node;
+ break;
+ }
+ }
+
if (mdio_node) {
netdev_dbg(ndev, "FOUND MDIO subnode\n");
} else {
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -110,7 +110,6 @@ stmmac_probe_config_dt(struct platform_d
struct device_node *np = pdev->dev.of_node;
struct plat_stmmacenet_data *plat;
struct stmmac_dma_cfg *dma_cfg;
- struct device_node *child_node = NULL;
plat = devm_kzalloc(&pdev->dev, sizeof(*plat), GFP_KERNEL);
if (!plat)
@@ -141,19 +140,13 @@ stmmac_probe_config_dt(struct platform_d
plat->phy_node = of_node_get(np);
}
- for_each_child_of_node(np, child_node)
- if (of_device_is_compatible(child_node, "snps,dwmac-mdio")) {
- plat->mdio_node = child_node;
- break;
- }
-
/* "snps,phy-addr" is not a standard property. Mark it as deprecated
* and warn of its use. Remove this when phy node support is added.
*/
if (of_property_read_u32(np, "snps,phy-addr", &plat->phy_addr) == 0)
dev_warn(&pdev->dev, "snps,phy-addr property is deprecated\n");
- if ((plat->phy_node && !of_phy_is_fixed_link(np)) || !plat->mdio_node)
+ if ((plat->phy_node && !of_phy_is_fixed_link(np)) || plat->phy_bus_name)
plat->mdio_bus_data = NULL;
else
plat->mdio_bus_data =
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -100,7 +100,6 @@ struct plat_stmmacenet_data {
int interface;
struct stmmac_mdio_bus_data *mdio_bus_data;
struct device_node *phy_node;
- struct device_node *mdio_node;
struct stmmac_dma_cfg *dma_cfg;
int clk_csr;
int has_gmac;

1
debian/patches/series vendored
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@ -87,6 +87,7 @@ bugfix/all/module-invalidate-signatures-on-force-loaded-modules.patch
bugfix/all/mm-thp-kvm-fix-memory-corruption-in-KVM-with-THP-ena.patch
bugfix/all/uapi-glibc-compat-fix-compile-errors-when-glibc-net-.patch
bugfix/all/videobuf2-core-fix-crash-after-fixing-cve-2016-4568.patch
bugfix/all/revert-stmmac-fix-eth0-no-phy-found-regression.patch
# Miscellaneous features
features/all/mm-exclude-zone_device-from-gfp_zone_table.patch