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fixes to arm64

This commit is contained in:
Kyle McMartin 2015-02-18 15:38:08 -05:00
parent ef4846b795
commit 25e750dec7
4 changed files with 361 additions and 31 deletions
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2
config-arm64
View File

@ -158,3 +158,5 @@ CONFIG_SATA_AHCI_PLATFORM=y
# CONFIG_PMIC_OPREGION is not set
# CONFIG_DEBUG_RODATA is not set
CONFIG_DEBUG_SECTION_MISMATCH=y

30
kernel-arm64-fix-psci-when-pg.patch
View File

@ -1,38 +1,22 @@
diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c
index 0ec0dc5..abd13dc 100644
index 3425f31..381c533 100644
--- a/arch/arm64/kernel/psci.c
+++ b/arch/arm64/kernel/psci.c
@@ -115,9 +115,14 @@ static void psci_power_state_unpack(u32 power_state,
@@ -113,7 +113,7 @@ static void psci_power_state_unpack(u32 power_state,
* The following two functions are invoked via the invoke_psci_fn pointer
* and will not be inlined, allowing us to piggyback on the AAPCS.
*/
-static noinline int __invoke_psci_fn_hvc(u64 function_id, u64 arg0, u64 arg1,
- u64 arg2)
+static noinline int __invoke_psci_fn_hvc(u64 _function_id, u64 _arg0,
+ u64 _arg1, u64 _arg2)
+static noinline notrace int __invoke_psci_fn_hvc(u64 function_id, u64 arg0, u64 arg1,
u64 arg2)
{
+ register u64 function_id asm("x0") = _function_id;
+ register u64 arg0 asm("x1") = _arg0;
+ register u64 arg1 asm("x2") = _arg1;
+ register u64 arg2 asm("x3") = _arg2;
+
asm volatile(
__asmeq("%0", "x0")
__asmeq("%1", "x1")
@@ -130,9 +135,14 @@ static noinline int __invoke_psci_fn_hvc(u64 function_id, u64 arg0, u64 arg1,
@@ -128,7 +128,7 @@ static noinline int __invoke_psci_fn_hvc(u64 function_id, u64 arg0, u64 arg1,
return function_id;
}
-static noinline int __invoke_psci_fn_smc(u64 function_id, u64 arg0, u64 arg1,
- u64 arg2)
+static noinline int __invoke_psci_fn_smc(u64 _function_id, u64 _arg0,
+ u64 _arg1, u64 _arg2)
+static noinline notrace int __invoke_psci_fn_smc(u64 function_id, u64 arg0, u64 arg1,
u64 arg2)
{
+ register u64 function_id asm("x0") = _function_id;
+ register u64 arg0 asm("x1") = _arg0;
+ register u64 arg1 asm("x2") = _arg1;
+ register u64 arg2 asm("x3") = _arg2;
+
asm volatile(
__asmeq("%0", "x0")
__asmeq("%1", "x1")

352
kernel-arm64.patch
View File

@ -1,3 +1,9 @@
commit fdd2bbd9e18e813faa3880f820c1b674267eec0c
Author: Kyle McMartin <kmcmarti@redhat.com>
Date: Wed Feb 18 09:49:05 2015 -0500
fixes for xgene enet
commit ac44fa9c24a21d78e8fff79c0dab3deea490d782
Author: Kyle McMartin <kmcmarti@redhat.com>
Date: Tue Feb 17 12:04:33 2015 -0500
@ -1336,8 +1342,9 @@ Date: Tue May 13 22:25:26 2014 -0400
drivers/net/ethernet/amd/xgbe-a0/xgbe-mdio.c | 312 +++
drivers/net/ethernet/amd/xgbe-a0/xgbe-ptp.c | 284 +++
drivers/net/ethernet/amd/xgbe-a0/xgbe.h | 868 +++++++
drivers/net/ethernet/apm/xgene/xgene_enet_main.c | 2 +-
drivers/net/ethernet/apm/xgene/xgene_enet_main.h | 1 +
drivers/net/ethernet/apm/xgene/xgene_enet_hw.c | 69 +-
drivers/net/ethernet/apm/xgene/xgene_enet_main.c | 111 +-
drivers/net/ethernet/apm/xgene/xgene_enet_main.h | 4 +-
drivers/net/ethernet/smsc/smc91x.c | 10 +
drivers/net/phy/Makefile | 1 +
drivers/net/phy/amd-xgbe-phy-a0.c | 1829 +++++++++++++
@ -1374,7 +1381,7 @@ Date: Tue May 13 22:25:26 2014 -0400
virt/kvm/arm/vgic-v2.c | 86 +-
virt/kvm/arm/vgic-v3.c | 8 +-
virt/kvm/arm/vgic.c | 32 +-
109 files changed, 17297 insertions(+), 641 deletions(-)
110 files changed, 17386 insertions(+), 733 deletions(-)
diff --git a/Documentation/ABI/testing/sysfs-firmware-dmi b/Documentation/ABI/testing/sysfs-firmware-dmi
index c78f9ab..3a9ffe8 100644
@ -17469,11 +17476,310 @@ index 0000000..dd8500d
+#endif
+
+#endif
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
index 869d97f..29aad5e 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c
@@ -593,12 +593,10 @@ static int xgene_enet_reset(struct xgene_enet_pdata *pdata)
if (!xgene_ring_mgr_init(pdata))
return -ENODEV;
- if (!efi_enabled(EFI_BOOT)) {
- clk_prepare_enable(pdata->clk);
- clk_disable_unprepare(pdata->clk);
- clk_prepare_enable(pdata->clk);
- xgene_enet_ecc_init(pdata);
- }
+ clk_prepare_enable(pdata->clk);
+ clk_disable_unprepare(pdata->clk);
+ clk_prepare_enable(pdata->clk);
+ xgene_enet_ecc_init(pdata);
xgene_enet_config_ring_if_assoc(pdata);
/* Enable auto-incr for scanning */
@@ -676,7 +674,7 @@ static int xgene_enet_phy_connect(struct net_device *ndev)
phy_dev = pdata->phy_dev;
- if (!phy_dev ||
+ if (phy_dev == NULL ||
phy_connect_direct(ndev, phy_dev, &xgene_enet_adjust_link,
pdata->phy_mode)) {
netdev_err(ndev, "Could not connect to PHY\n");
@@ -692,37 +690,23 @@ static int xgene_enet_phy_connect(struct net_device *ndev)
return 0;
}
-static int xgene_mdiobus_register(struct xgene_enet_pdata *pdata,
- struct mii_bus *mdio)
+#ifdef CONFIG_ACPI
+static int xgene_acpi_mdiobus_register(struct xgene_enet_pdata *pdata,
+ struct mii_bus *mdio)
{
struct device *dev = &pdata->pdev->dev;
- struct net_device *ndev = pdata->ndev;
struct phy_device *phy;
- struct device_node *child_np;
- struct device_node *mdio_np = NULL;
- int ret;
+ int i, ret;
u32 phy_id;
- if (dev->of_node) {
- for_each_child_of_node(dev->of_node, child_np) {
- if (of_device_is_compatible(child_np,
- "apm,xgene-mdio")) {
- mdio_np = child_np;
- break;
- }
- }
-
- if (!mdio_np) {
- netdev_dbg(ndev, "No mdio node in the dts\n");
- return -ENXIO;
- }
-
- return of_mdiobus_register(mdio, mdio_np);
- }
-
/* Mask out all PHYs from auto probing. */
mdio->phy_mask = ~0;
+ /* Clear all the IRQ properties */
+ if (mdio->irq)
+ for (i = 0; i < PHY_MAX_ADDR; i++)
+ mdio->irq[i] = PHY_POLL;
+
/* Register the MDIO bus */
ret = mdiobus_register(mdio);
if (ret)
@@ -730,8 +714,6 @@ static int xgene_mdiobus_register(struct xgene_enet_pdata *pdata,
ret = device_property_read_u32(dev, "phy-channel", &phy_id);
if (ret)
- ret = device_property_read_u32(dev, "phy-addr", &phy_id);
- if (ret)
return -EINVAL;
phy = get_phy_device(mdio, phy_id, true);
@@ -746,13 +728,31 @@ static int xgene_mdiobus_register(struct xgene_enet_pdata *pdata,
return ret;
}
+#else
+#define xgene_acpi_mdiobus_register(a, b) -1
+#endif
int xgene_enet_mdio_config(struct xgene_enet_pdata *pdata)
{
struct net_device *ndev = pdata->ndev;
+ struct device *dev = &pdata->pdev->dev;
+ struct device_node *child_np;
+ struct device_node *mdio_np = NULL;
struct mii_bus *mdio_bus;
int ret;
+ for_each_child_of_node(dev->of_node, child_np) {
+ if (of_device_is_compatible(child_np, "apm,xgene-mdio")) {
+ mdio_np = child_np;
+ break;
+ }
+ }
+
+ if (dev->of_node && !mdio_np) {
+ netdev_dbg(ndev, "No mdio node in the dts\n");
+ return -ENXIO;
+ }
+
mdio_bus = mdiobus_alloc();
if (!mdio_bus)
return -ENOMEM;
@@ -766,7 +766,10 @@ int xgene_enet_mdio_config(struct xgene_enet_pdata *pdata)
mdio_bus->priv = pdata;
mdio_bus->parent = &ndev->dev;
- ret = xgene_mdiobus_register(pdata, mdio_bus);
+ if (dev->of_node)
+ ret = of_mdiobus_register(mdio_bus, mdio_np);
+ else
+ ret = xgene_acpi_mdiobus_register(pdata, mdio_bus);
if (ret) {
netdev_err(ndev, "Failed to register MDIO bus\n");
mdiobus_free(mdio_bus);
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
index 44b1537..37b318a 100644
index 44b1537..a4a53a7 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.c
@@ -913,7 +913,7 @@ static int xgene_enet_init_hw(struct xgene_enet_pdata *pdata)
@@ -24,10 +24,6 @@
#include "xgene_enet_sgmac.h"
#include "xgene_enet_xgmac.h"
-#define RES_ENET_CSR 0
-#define RES_RING_CSR 1
-#define RES_RING_CMD 2
-
static void xgene_enet_init_bufpool(struct xgene_enet_desc_ring *buf_pool)
{
struct xgene_enet_raw_desc16 *raw_desc;
@@ -752,40 +748,41 @@ static const struct net_device_ops xgene_ndev_ops = {
.ndo_set_mac_address = xgene_enet_set_mac_address,
};
-static int xgene_get_mac_address(struct device *dev,
- unsigned char *addr)
+#ifdef CONFIG_ACPI
+static int acpi_get_mac_address(struct device *dev,
+ unsigned char *addr)
{
int ret;
- ret = device_property_read_u8_array(dev, "local-mac-address", addr, 6);
- if (ret)
- ret = device_property_read_u8_array(dev, "mac-address",
- addr, 6);
+ ret = device_property_read_u8_array(dev, "mac-address", addr, 6);
if (ret)
- return -ENODEV;
+ return 0;
- return ETH_ALEN;
+ return 6;
}
-static int xgene_get_phy_mode(struct device *dev)
+static int acpi_get_phy_mode(struct device *dev)
{
- int i, ret;
+ int i, ret, phy_mode;
char *modestr;
- ret = device_property_read_string(dev, "phy-connection-type",
- (const char **)&modestr);
- if (ret)
- ret = device_property_read_string(dev, "phy-mode",
- (const char **)&modestr);
+ ret = device_property_read_string(dev, "phy-mode", &modestr);
if (ret)
- return -ENODEV;
+ return -1;
+ phy_mode = -1;
for (i = 0; i < PHY_INTERFACE_MODE_MAX; i++) {
- if (!strcasecmp(modestr, phy_modes(i)))
- return i;
+ if (!strcasecmp(modestr, phy_modes(i))) {
+ phy_mode = i;
+ break;
+ }
}
- return -ENODEV;
+ return phy_mode;
}
+#else
+#define acpi_get_mac_address(a, b, c) 0
+#define acpi_get_phy_mode(a) -1
+#endif
static int xgene_enet_get_resources(struct xgene_enet_pdata *pdata)
{
@@ -794,45 +791,38 @@ static int xgene_enet_get_resources(struct xgene_enet_pdata *pdata)
struct device *dev;
struct resource *res;
void __iomem *base_addr;
+ const char *mac;
int ret;
pdev = pdata->pdev;
dev = &pdev->dev;
ndev = pdata->ndev;
- res = platform_get_resource(pdev, IORESOURCE_MEM, RES_ENET_CSR);
- if (!res) {
- dev_err(dev, "Resource enet_csr not defined\n");
- return -ENODEV;
- }
- pdata->base_addr = devm_ioremap(dev, res->start, resource_size(res));
- if (!pdata->base_addr) {
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "enet_csr");
+ if (!res)
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ pdata->base_addr = devm_ioremap_resource(dev, res);
+ if (IS_ERR(pdata->base_addr)) {
dev_err(dev, "Unable to retrieve ENET Port CSR region\n");
- return -ENOMEM;
+ return PTR_ERR(pdata->base_addr);
}
- res = platform_get_resource(pdev, IORESOURCE_MEM, RES_RING_CSR);
- if (!res) {
- dev_err(dev, "Resource ring_csr not defined\n");
- return -ENODEV;
- }
- pdata->ring_csr_addr = devm_ioremap(dev, res->start,
- resource_size(res));
- if (!pdata->ring_csr_addr) {
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ring_csr");
+ if (!res)
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ pdata->ring_csr_addr = devm_ioremap_resource(dev, res);
+ if (IS_ERR(pdata->ring_csr_addr)) {
dev_err(dev, "Unable to retrieve ENET Ring CSR region\n");
- return -ENOMEM;
+ return PTR_ERR(pdata->ring_csr_addr);
}
- res = platform_get_resource(pdev, IORESOURCE_MEM, RES_RING_CMD);
- if (!res) {
- dev_err(dev, "Resource ring_cmd not defined\n");
- return -ENODEV;
- }
- pdata->ring_cmd_addr = devm_ioremap(dev, res->start,
- resource_size(res));
- if (!pdata->ring_cmd_addr) {
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "ring_cmd");
+ if (!res)
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 2);
+ pdata->ring_cmd_addr = devm_ioremap_resource(dev, res);
+ if (IS_ERR(pdata->ring_cmd_addr)) {
dev_err(dev, "Unable to retrieve ENET Ring command region\n");
- return -ENOMEM;
+ return PTR_ERR(pdata->ring_cmd_addr);
}
ret = platform_get_irq(pdev, 0);
@@ -843,12 +833,16 @@ static int xgene_enet_get_resources(struct xgene_enet_pdata *pdata)
}
pdata->rx_irq = ret;
- if (xgene_get_mac_address(dev, ndev->dev_addr) != ETH_ALEN)
+ mac = of_get_mac_address(dev->of_node);
+ if (mac)
+ memcpy(ndev->dev_addr, mac, ndev->addr_len);
+ else if (!acpi_get_mac_address(dev, ndev->dev_addr))
eth_hw_addr_random(ndev);
-
memcpy(ndev->perm_addr, ndev->dev_addr, ndev->addr_len);
- pdata->phy_mode = xgene_get_phy_mode(dev);
+ pdata->phy_mode = of_get_phy_mode(pdev->dev.of_node);
+ if (pdata->phy_mode < 0)
+ pdata->phy_mode = acpi_get_phy_mode(dev);
if (pdata->phy_mode < 0) {
dev_err(dev, "Unable to get phy-connection-type\n");
return pdata->phy_mode;
@@ -862,7 +856,10 @@ static int xgene_enet_get_resources(struct xgene_enet_pdata *pdata)
pdata->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(pdata->clk)) {
- /* Firmware may have set up the clock already. */
+ /*
+ * Not necessarily an error. Firmware may have
+ * set up the clock already.
+ */
pdata->clk = NULL;
}
@@ -913,7 +910,7 @@ static int xgene_enet_init_hw(struct xgene_enet_pdata *pdata)
pdata->port_ops->cle_bypass(pdata, dst_ring_num, buf_pool->id);
pdata->mac_ops->init(pdata);
@ -17482,11 +17788,43 @@ index 44b1537..37b318a 100644
}
static void xgene_enet_setup_ops(struct xgene_enet_pdata *pdata)
@@ -1030,17 +1027,17 @@ static const struct acpi_device_id xgene_enet_acpi_match[] = {
MODULE_DEVICE_TABLE(acpi, xgene_enet_acpi_match);
#endif
-static struct of_device_id xgene_enet_of_match[] = {
+static struct of_device_id xgene_enet_match[] = {
{.compatible = "apm,xgene-enet",},
{},
};
-MODULE_DEVICE_TABLE(of, xgene_enet_of_match);
+MODULE_DEVICE_TABLE(of, xgene_enet_match);
static struct platform_driver xgene_enet_driver = {
.driver = {
.name = "xgene-enet",
- .of_match_table = of_match_ptr(xgene_enet_of_match),
+ .of_match_table = xgene_enet_match,
.acpi_match_table = ACPI_PTR(xgene_enet_acpi_match),
},
.probe = xgene_enet_probe,
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
index c2d465c..9f50bd9 100644
index c2d465c..0e06cad 100644
--- a/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
+++ b/drivers/net/ethernet/apm/xgene/xgene_enet_main.h
@@ -34,6 +34,7 @@
@@ -22,10 +22,7 @@
#ifndef __XGENE_ENET_MAIN_H__
#define __XGENE_ENET_MAIN_H__
-#include <linux/acpi.h>
#include <linux/clk.h>
-#include <linux/efi.h>
-#include <linux/io.h>
#include <linux/of_platform.h>
#include <linux/of_net.h>
#include <linux/of_mdio.h>
@@ -34,6 +31,7 @@
#include <linux/prefetch.h>
#include <linux/if_vlan.h>
#include <linux/phy.h>

8
kernel.spec
View File

@ -42,7 +42,7 @@ Summary: The Linux kernel
# For non-released -rc kernels, this will be appended after the rcX and
# gitX tags, so a 3 here would become part of release "0.rcX.gitX.3"
#
%global baserelease 1
%global baserelease 2
%global fedora_build %{baserelease}
# base_sublevel is the kernel version we're starting with and patching
@ -2212,6 +2212,12 @@ fi
#
#
%changelog
* Wed Feb 18 2015 Kyle McMartin <kyle@fedoraproject.org> - 3.20.0-0.rc0.git8.2
- kernel-arm64.patch: Revert dropping some of the xgene fixes we carried
against upstream. (#1193875)
- kernel-arm64-fix-psci-when-pg.patch: make it simpler.
- config-arm64: turn on CONFIG_DEBUG_SECTION_MISMATCH.
* Wed Feb 18 2015 Josh Boyer <jwboyer@fedoraproject.org> - 3.20.0-0.rc0.git8.1
- Linux v3.19-8217-gcc4f9c2a91b7