Tegra host driver is using pci_find_host_bridge() to get private data,
however pci_find_host_bridge() is causing module build failure because
it is not exported. pci_find_host_bridge() can be avoided by using
bus->sysdata to store and get private data.
Signed-off-by: Manikanta Maddireddy <mmaddireddy@xxxxxxxxxx>
---
V4:
* new patch in V4
drivers/pci/host/pci-tegra.c | 13 +++++--------
1 file changed, 5 insertions(+), 8 deletions(-)
diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
index 6f2f44539020..a549c5899e26 100644
--- a/drivers/pci/host/pci-tegra.c
+++ b/drivers/pci/host/pci-tegra.c
@@ -448,8 +448,7 @@ static unsigned long tegra_pcie_conf_offset(unsigned char b, unsigned int devfn,
static int tegra_pcie_add_bus(struct pci_bus *bus)
{
- struct pci_host_bridge *host = pci_find_host_bridge(bus);
- struct tegra_pcie *pcie = pci_host_bridge_priv(host);
+ struct tegra_pcie *pcie = bus->sysdata;
struct tegra_pcie_bus *b;
b = kzalloc(sizeof(*b), GFP_KERNEL);
@@ -466,8 +465,7 @@ static int tegra_pcie_add_bus(struct pci_bus *bus)
static void tegra_pcie_remove_bus(struct pci_bus *child)
{
- struct pci_host_bridge *host = pci_find_host_bridge(child);
- struct tegra_pcie *pcie = pci_host_bridge_priv(host);
+ struct tegra_pcie *pcie = child->sysdata;
struct tegra_pcie_bus *bus, *tmp;
list_for_each_entry_safe(bus, tmp, &pcie->buses, list) {
@@ -483,8 +481,7 @@ static void __iomem *tegra_pcie_map_bus(struct pci_bus *bus,
unsigned int devfn,
int where)
{
- struct pci_host_bridge *host = pci_find_host_bridge(bus);
- struct tegra_pcie *pcie = pci_host_bridge_priv(host);
+ struct tegra_pcie *pcie = bus->sysdata;
void __iomem *addr = NULL;
u32 val = 0;
u32 offset = 0;
@@ -675,8 +672,7 @@ static int tegra_pcie_request_resources(struct tegra_pcie *pcie)
static int tegra_pcie_map_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
{
- struct pci_host_bridge *host = pci_find_host_bridge(pdev->bus);
- struct tegra_pcie *pcie = pci_host_bridge_priv(host);
+ struct tegra_pcie *pcie = pdev->bus->sysdata;
int irq;
tegra_cpuidle_pcie_irqs_in_use();
@@ -2570,6 +2566,7 @@ static int tegra_pcie_probe(struct platform_device *pdev)
return -ENOMEM;
pcie = pci_host_bridge_priv(host);
+ host->sysdata = pcie;
pcie->soc = of_device_get_match_data(dev);
INIT_LIST_HEAD(&pcie->buses);
--
2.1.4
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