diff mbox

[4/5] drivers/pci: make host/pci-keystone-dw.c modular

Message ID 1454889644-27830-5-git-send-email-paul.gortmaker@windriver.com (mailing list archive)
State New, archived
Headers show

Commit Message

Paul Gortmaker Feb. 8, 2016, midnight UTC 
Export the symbols that this driver requires in order for it to
be modular.  In addition to the one use case of a dw_pci sym, it
has many instances of its own ks_dw_pci syms that need exporting
in order to modpost w/o error.

Cc: Murali Karicheri <m-karicheri2@ti.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Stanimir Varbanov <svarbanov@mm-sol.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linux-pci@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
---
 drivers/pci/host/Kconfig           |  2 +-
 drivers/pci/host/pci-keystone-dw.c | 16 +++++++++++++++-
 2 files changed, 16 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/drivers/pci/host/Kconfig b/drivers/pci/host/Kconfig
index 75a605426538..b040ad7ba44d 100644
--- a/drivers/pci/host/Kconfig
+++ b/drivers/pci/host/Kconfig
@@ -69,7 +69,7 @@  config PCIE_SPEAR13XX
 	  Say Y here if you want PCIe support on SPEAr13XX SoCs.
 
 config PCI_KEYSTONE
-	bool "TI Keystone PCIe controller"
+	tristate "TI Keystone PCIe controller"
 	depends on ARCH_KEYSTONE
 	select PCIE_DW
 	select PCIEPORTBUS
diff --git a/drivers/pci/host/pci-keystone-dw.c b/drivers/pci/host/pci-keystone-dw.c
index ed34c9520a02..f1550a8d2e29 100644
--- a/drivers/pci/host/pci-keystone-dw.c
+++ b/drivers/pci/host/pci-keystone-dw.c
@@ -76,6 +76,7 @@  phys_addr_t ks_dw_pcie_get_msi_addr(struct pcie_port *pp)
 
 	return ks_pcie->app.start + MSI_IRQ;
 }
+EXPORT_SYMBOL(ks_dw_pcie_get_msi_addr);
 
 void ks_dw_pcie_handle_msi_irq(struct keystone_pcie *ks_pcie, int offset)
 {
@@ -99,6 +100,7 @@  void ks_dw_pcie_handle_msi_irq(struct keystone_pcie *ks_pcie, int offset)
 		}
 	}
 }
+EXPORT_SYMBOL(ks_dw_pcie_handle_msi_irq);
 
 static void ks_dw_pcie_msi_irq_ack(struct irq_data *d)
 {
@@ -127,6 +129,7 @@  void ks_dw_pcie_msi_set_irq(struct pcie_port *pp, int irq)
 	writel(BIT(bit_pos),
 	       ks_pcie->va_app_base + MSI0_IRQ_ENABLE_SET + (reg_offset << 4));
 }
+EXPORT_SYMBOL(ks_dw_pcie_msi_set_irq);
 
 void ks_dw_pcie_msi_clear_irq(struct pcie_port *pp, int irq)
 {
@@ -137,6 +140,7 @@  void ks_dw_pcie_msi_clear_irq(struct pcie_port *pp, int irq)
 	writel(BIT(bit_pos),
 	       ks_pcie->va_app_base + MSI0_IRQ_ENABLE_CLR + (reg_offset << 4));
 }
+EXPORT_SYMBOL(ks_dw_pcie_msi_clear_irq);
 
 static void ks_dw_pcie_msi_irq_mask(struct irq_data *d)
 {
@@ -220,6 +224,7 @@  int ks_dw_pcie_msi_host_init(struct pcie_port *pp, struct msi_controller *chip)
 
 	return 0;
 }
+EXPORT_SYMBOL(ks_dw_pcie_msi_host_init);
 
 void ks_dw_pcie_enable_legacy_irqs(struct keystone_pcie *ks_pcie)
 {
@@ -228,6 +233,7 @@  void ks_dw_pcie_enable_legacy_irqs(struct keystone_pcie *ks_pcie)
 	for (i = 0; i < MAX_LEGACY_IRQS; i++)
 		writel(0x1, ks_pcie->va_app_base + IRQ_ENABLE_SET + (i << 4));
 }
+EXPORT_SYMBOL(ks_dw_pcie_enable_legacy_irqs);
 
 void ks_dw_pcie_handle_legacy_irq(struct keystone_pcie *ks_pcie, int offset)
 {
@@ -247,6 +253,7 @@  void ks_dw_pcie_handle_legacy_irq(struct keystone_pcie *ks_pcie, int offset)
 	/* EOI the INTx interrupt */
 	writel(offset, ks_pcie->va_app_base + IRQ_EOI);
 }
+EXPORT_SYMBOL(ks_dw_pcie_handle_legacy_irq);
 
 static void ks_dw_pcie_ack_legacy_irq(struct irq_data *d)
 {
@@ -347,6 +354,7 @@  void ks_dw_pcie_setup_rc_app_regs(struct keystone_pcie *ks_pcie)
 	writel(OB_XLAT_EN_VAL | readl(ks_pcie->va_app_base + CMD_STATUS),
 	       ks_pcie->va_app_base + CMD_STATUS);
 }
+EXPORT_SYMBOL(ks_dw_pcie_setup_rc_app_regs);
 
 /**
  * ks_pcie_cfg_setup() - Set up configuration space address for a device
@@ -400,6 +408,7 @@  int ks_dw_pcie_rd_other_conf(struct pcie_port *pp, struct pci_bus *bus,
 
 	return dw_pcie_cfg_read(addr + where, size, val);
 }
+EXPORT_SYMBOL(ks_dw_pcie_rd_other_conf);
 
 int ks_dw_pcie_wr_other_conf(struct pcie_port *pp, struct pci_bus *bus,
 			     unsigned int devfn, int where, int size, u32 val)
@@ -412,6 +421,7 @@  int ks_dw_pcie_wr_other_conf(struct pcie_port *pp, struct pci_bus *bus,
 
 	return dw_pcie_cfg_write(addr + where, size, val);
 }
+EXPORT_SYMBOL(ks_dw_pcie_wr_other_conf);
 
 /**
  * ks_dw_pcie_v3_65_scan_bus() - keystone scan_bus post initialization
@@ -437,6 +447,7 @@  void ks_dw_pcie_v3_65_scan_bus(struct pcie_port *pp)
 	  */
 	writel(ks_pcie->app.start, pp->dbi_base + PCI_BASE_ADDRESS_0);
 }
+EXPORT_SYMBOL(ks_dw_pcie_v3_65_scan_bus);
 
 /**
  * ks_dw_pcie_link_up() - Check if link up
@@ -447,6 +458,7 @@  int ks_dw_pcie_link_up(struct pcie_port *pp)
 
 	return (val & LTSSM_STATE_MASK) == LTSSM_STATE_L0;
 }
+EXPORT_SYMBOL(ks_dw_pcie_link_up);
 
 void ks_dw_pcie_initiate_link_train(struct keystone_pcie *ks_pcie)
 {
@@ -461,6 +473,7 @@  void ks_dw_pcie_initiate_link_train(struct keystone_pcie *ks_pcie)
 	val = readl(ks_pcie->va_app_base + CMD_STATUS);
 	writel(LTSSM_EN_VAL | val,  ks_pcie->va_app_base + CMD_STATUS);
 }
+EXPORT_SYMBOL(ks_dw_pcie_initiate_link_train);
 
 /**
  * ks_dw_pcie_host_init() - initialize host for v3_65 dw hardware
@@ -469,7 +482,7 @@  void ks_dw_pcie_initiate_link_train(struct keystone_pcie *ks_pcie)
  * and call dw_pcie_v3_65_host_init() API to initialize the Keystone
  * PCI host controller.
  */
-int __init ks_dw_pcie_host_init(struct keystone_pcie *ks_pcie,
+int ks_dw_pcie_host_init(struct keystone_pcie *ks_pcie,
 				struct device_node *msi_intc_np)
 {
 	struct pcie_port *pp = &ks_pcie->pp;
@@ -510,3 +523,4 @@  int __init ks_dw_pcie_host_init(struct keystone_pcie *ks_pcie,
 
 	return dw_pcie_host_init(pp);
 }
+EXPORT_SYMBOL(ks_dw_pcie_host_init);