Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/pci/controller/dwc/pcie-hisi.c b/drivers/pci/controller/dwc/pcie-hisi.c
index 6d9e1b2..5ca8679 100644
--- a/drivers/pci/controller/dwc/pcie-hisi.c
+++ b/drivers/pci/controller/dwc/pcie-hisi.c
@@ -10,15 +10,10 @@
*/
#include <linux/interrupt.h>
#include <linux/init.h>
-#include <linux/mfd/syscon.h>
-#include <linux/of_address.h>
-#include <linux/of_pci.h>
#include <linux/platform_device.h>
-#include <linux/of_device.h>
#include <linux/pci.h>
#include <linux/pci-acpi.h>
#include <linux/pci-ecam.h>
-#include <linux/regmap.h>
#include "../../pci.h"
#if defined(CONFIG_PCI_HISI) || (defined(CONFIG_ACPI) && defined(CONFIG_PCI_QUIRKS))
@@ -104,7 +99,7 @@
return 0;
}
-struct pci_ecam_ops hisi_pcie_ops = {
+const struct pci_ecam_ops hisi_pcie_ops = {
.bus_shift = 20,
.init = hisi_pcie_init,
.pci_ops = {
@@ -118,229 +113,6 @@
#ifdef CONFIG_PCI_HISI
-#include "pcie-designware.h"
-
-#define PCIE_SUBCTRL_SYS_STATE4_REG 0x6818
-#define PCIE_HIP06_CTRL_OFF 0x1000
-#define PCIE_SYS_STATE4 (PCIE_HIP06_CTRL_OFF + 0x31c)
-#define PCIE_LTSSM_LINKUP_STATE 0x11
-#define PCIE_LTSSM_STATE_MASK 0x3F
-
-#define to_hisi_pcie(x) dev_get_drvdata((x)->dev)
-
-struct hisi_pcie;
-
-struct pcie_soc_ops {
- int (*hisi_pcie_link_up)(struct hisi_pcie *hisi_pcie);
-};
-
-struct hisi_pcie {
- struct dw_pcie *pci;
- struct regmap *subctrl;
- u32 port_id;
- const struct pcie_soc_ops *soc_ops;
-};
-
-/* HipXX PCIe host only supports 32-bit config access */
-static int hisi_pcie_cfg_read(struct pcie_port *pp, int where, int size,
- u32 *val)
-{
- u32 reg;
- u32 reg_val;
- void *walker = ®_val;
- struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
-
- walker += (where & 0x3);
- reg = where & ~0x3;
- reg_val = dw_pcie_readl_dbi(pci, reg);
-
- if (size == 1)
- *val = *(u8 __force *) walker;
- else if (size == 2)
- *val = *(u16 __force *) walker;
- else if (size == 4)
- *val = reg_val;
- else
- return PCIBIOS_BAD_REGISTER_NUMBER;
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-/* HipXX PCIe host only supports 32-bit config access */
-static int hisi_pcie_cfg_write(struct pcie_port *pp, int where, int size,
- u32 val)
-{
- u32 reg_val;
- u32 reg;
- void *walker = ®_val;
- struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
-
- walker += (where & 0x3);
- reg = where & ~0x3;
- if (size == 4)
- dw_pcie_writel_dbi(pci, reg, val);
- else if (size == 2) {
- reg_val = dw_pcie_readl_dbi(pci, reg);
- *(u16 __force *) walker = val;
- dw_pcie_writel_dbi(pci, reg, reg_val);
- } else if (size == 1) {
- reg_val = dw_pcie_readl_dbi(pci, reg);
- *(u8 __force *) walker = val;
- dw_pcie_writel_dbi(pci, reg, reg_val);
- } else
- return PCIBIOS_BAD_REGISTER_NUMBER;
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int hisi_pcie_link_up_hip05(struct hisi_pcie *hisi_pcie)
-{
- u32 val;
-
- regmap_read(hisi_pcie->subctrl, PCIE_SUBCTRL_SYS_STATE4_REG +
- 0x100 * hisi_pcie->port_id, &val);
-
- return ((val & PCIE_LTSSM_STATE_MASK) == PCIE_LTSSM_LINKUP_STATE);
-}
-
-static int hisi_pcie_link_up_hip06(struct hisi_pcie *hisi_pcie)
-{
- struct dw_pcie *pci = hisi_pcie->pci;
- u32 val;
-
- val = dw_pcie_readl_dbi(pci, PCIE_SYS_STATE4);
-
- return ((val & PCIE_LTSSM_STATE_MASK) == PCIE_LTSSM_LINKUP_STATE);
-}
-
-static int hisi_pcie_link_up(struct dw_pcie *pci)
-{
- struct hisi_pcie *hisi_pcie = to_hisi_pcie(pci);
-
- return hisi_pcie->soc_ops->hisi_pcie_link_up(hisi_pcie);
-}
-
-static const struct dw_pcie_host_ops hisi_pcie_host_ops = {
- .rd_own_conf = hisi_pcie_cfg_read,
- .wr_own_conf = hisi_pcie_cfg_write,
-};
-
-static int hisi_add_pcie_port(struct hisi_pcie *hisi_pcie,
- struct platform_device *pdev)
-{
- struct dw_pcie *pci = hisi_pcie->pci;
- struct pcie_port *pp = &pci->pp;
- struct device *dev = &pdev->dev;
- int ret;
- u32 port_id;
-
- if (of_property_read_u32(dev->of_node, "port-id", &port_id)) {
- dev_err(dev, "failed to read port-id\n");
- return -EINVAL;
- }
- if (port_id > 3) {
- dev_err(dev, "Invalid port-id: %d\n", port_id);
- return -EINVAL;
- }
- hisi_pcie->port_id = port_id;
-
- pp->ops = &hisi_pcie_host_ops;
-
- ret = dw_pcie_host_init(pp);
- if (ret) {
- dev_err(dev, "failed to initialize host\n");
- return ret;
- }
-
- return 0;
-}
-
-static const struct dw_pcie_ops dw_pcie_ops = {
- .link_up = hisi_pcie_link_up,
-};
-
-static int hisi_pcie_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct dw_pcie *pci;
- struct hisi_pcie *hisi_pcie;
- struct resource *reg;
- int ret;
-
- hisi_pcie = devm_kzalloc(dev, sizeof(*hisi_pcie), GFP_KERNEL);
- if (!hisi_pcie)
- return -ENOMEM;
-
- pci = devm_kzalloc(dev, sizeof(*pci), GFP_KERNEL);
- if (!pci)
- return -ENOMEM;
-
- pci->dev = dev;
- pci->ops = &dw_pcie_ops;
-
- hisi_pcie->pci = pci;
-
- hisi_pcie->soc_ops = of_device_get_match_data(dev);
-
- hisi_pcie->subctrl =
- syscon_regmap_lookup_by_compatible("hisilicon,pcie-sas-subctrl");
- if (IS_ERR(hisi_pcie->subctrl)) {
- dev_err(dev, "cannot get subctrl base\n");
- return PTR_ERR(hisi_pcie->subctrl);
- }
-
- reg = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rc_dbi");
- pci->dbi_base = devm_pci_remap_cfg_resource(dev, reg);
- if (IS_ERR(pci->dbi_base))
- return PTR_ERR(pci->dbi_base);
- platform_set_drvdata(pdev, hisi_pcie);
-
- ret = hisi_add_pcie_port(hisi_pcie, pdev);
- if (ret)
- return ret;
-
- return 0;
-}
-
-static struct pcie_soc_ops hip05_ops = {
- &hisi_pcie_link_up_hip05
-};
-
-static struct pcie_soc_ops hip06_ops = {
- &hisi_pcie_link_up_hip06
-};
-
-static const struct of_device_id hisi_pcie_of_match[] = {
- {
- .compatible = "hisilicon,hip05-pcie",
- .data = (void *) &hip05_ops,
- },
- {
- .compatible = "hisilicon,hip06-pcie",
- .data = (void *) &hip06_ops,
- },
- {},
-};
-
-static struct platform_driver hisi_pcie_driver = {
- .probe = hisi_pcie_probe,
- .driver = {
- .name = "hisi-pcie",
- .of_match_table = hisi_pcie_of_match,
- .suppress_bind_attrs = true,
- },
-};
-builtin_platform_driver(hisi_pcie_driver);
-
-static int hisi_pcie_almost_ecam_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct pci_ecam_ops *ops;
-
- ops = (struct pci_ecam_ops *)of_device_get_match_data(dev);
- return pci_host_common_probe(pdev, ops);
-}
-
static int hisi_pcie_platform_init(struct pci_config_window *cfg)
{
struct device *dev = cfg->parent;
@@ -362,7 +134,7 @@
return 0;
}
-struct pci_ecam_ops hisi_pcie_platform_ops = {
+static const struct pci_ecam_ops hisi_pcie_platform_ops = {
.bus_shift = 20,
.init = hisi_pcie_platform_init,
.pci_ops = {
@@ -375,17 +147,17 @@
static const struct of_device_id hisi_pcie_almost_ecam_of_match[] = {
{
.compatible = "hisilicon,hip06-pcie-ecam",
- .data = (void *) &hisi_pcie_platform_ops,
+ .data = &hisi_pcie_platform_ops,
},
{
.compatible = "hisilicon,hip07-pcie-ecam",
- .data = (void *) &hisi_pcie_platform_ops,
+ .data = &hisi_pcie_platform_ops,
},
{},
};
static struct platform_driver hisi_pcie_almost_ecam_driver = {
- .probe = hisi_pcie_almost_ecam_probe,
+ .probe = pci_host_common_probe,
.driver = {
.name = "hisi-pcie-almost-ecam",
.of_match_table = hisi_pcie_almost_ecam_of_match,