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Message-ID: <20230108155755.2614147-2-a-verma1@ti.com>
Date: Sun, 8 Jan 2023 21:27:54 +0530
From: Achal Verma <a-verma1@...com>
To: Tom Joseph <tjoseph@...ence.com>,
Lorenzo Pieralisi <lpieralisi@...nel.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Wilczy_ski <kw@...ux.com>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Vignesh Raghavendra <vigneshr@...com>
CC: <linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-omap@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
Achal Verma <a-verma1@...com>,
Milind Parab <mparab@...ence.com>
Subject: [PATCH v2 1/2] PCI: cadence: Add support to build pcie-cadence library as module.
Add support to build pcie-cadence library as module.
Signed-off-by: Achal Verma <a-verma1@...com>
---
drivers/pci/controller/cadence/Kconfig | 6 +++---
drivers/pci/controller/cadence/pcie-cadence-ep.c | 4 ++++
drivers/pci/controller/cadence/pcie-cadence-host.c | 5 +++++
drivers/pci/controller/cadence/pcie-cadence.c | 9 +++++++++
drivers/pci/controller/cadence/pcie-cadence.h | 4 ++--
5 files changed, 23 insertions(+), 5 deletions(-)
diff --git a/drivers/pci/controller/cadence/Kconfig b/drivers/pci/controller/cadence/Kconfig
index 5d30564190e1..693c41fe32ce 100644
--- a/drivers/pci/controller/cadence/Kconfig
+++ b/drivers/pci/controller/cadence/Kconfig
@@ -4,16 +4,16 @@ menu "Cadence PCIe controllers support"
depends on PCI
config PCIE_CADENCE
- bool
+ tristate
config PCIE_CADENCE_HOST
- bool
+ tristate
depends on OF
select IRQ_DOMAIN
select PCIE_CADENCE
config PCIE_CADENCE_EP
- bool
+ tristate
depends on OF
depends on PCI_ENDPOINT
select PCIE_CADENCE
diff --git a/drivers/pci/controller/cadence/pcie-cadence-ep.c b/drivers/pci/controller/cadence/pcie-cadence-ep.c
index b8b655d4047e..598b2b9c5969 100644
--- a/drivers/pci/controller/cadence/pcie-cadence-ep.c
+++ b/drivers/pci/controller/cadence/pcie-cadence-ep.c
@@ -5,6 +5,7 @@
#include <linux/delay.h>
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/of.h>
#include <linux/pci-epc.h>
#include <linux/platform_device.h>
@@ -741,3 +742,6 @@ int cdns_pcie_ep_setup(struct cdns_pcie_ep *ep)
return ret;
}
+EXPORT_SYMBOL_GPL(cdns_pcie_ep_setup);
+
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/pci/controller/cadence/pcie-cadence-host.c b/drivers/pci/controller/cadence/pcie-cadence-host.c
index 940c7dd701d6..84754c63df34 100644
--- a/drivers/pci/controller/cadence/pcie-cadence-host.c
+++ b/drivers/pci/controller/cadence/pcie-cadence-host.c
@@ -5,6 +5,7 @@
#include <linux/delay.h>
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/list_sort.h>
#include <linux/of_address.h>
#include <linux/of_pci.h>
@@ -70,6 +71,7 @@ void __iomem *cdns_pci_map_bus(struct pci_bus *bus, unsigned int devfn,
return rc->cfg_base + (where & 0xfff);
}
+EXPORT_SYMBOL_GPL(cdns_pci_map_bus);
static struct pci_ops cdns_pcie_host_ops = {
.map_bus = cdns_pci_map_bus,
@@ -542,3 +544,6 @@ int cdns_pcie_host_setup(struct cdns_pcie_rc *rc)
return ret;
}
+EXPORT_SYMBOL_GPL(cdns_pcie_host_setup);
+
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/pci/controller/cadence/pcie-cadence.c b/drivers/pci/controller/cadence/pcie-cadence.c
index 13c4032ca379..8e3a86578284 100644
--- a/drivers/pci/controller/cadence/pcie-cadence.c
+++ b/drivers/pci/controller/cadence/pcie-cadence.c
@@ -4,6 +4,7 @@
// Author: Cyrille Pitchen <cyrille.pitchen@...e-electrons.com>
#include <linux/kernel.h>
+#include <linux/module.h>
#include "pcie-cadence.h"
@@ -22,6 +23,7 @@ void cdns_pcie_detect_quiet_min_delay_set(struct cdns_pcie *pcie)
cdns_pcie_writel(pcie, CDNS_PCIE_LTSSM_CONTROL_CAP, ltssm_control_cap);
}
+EXPORT_SYMBOL_GPL(cdns_pcie_detect_quiet_min_delay_set);
void cdns_pcie_set_outbound_region(struct cdns_pcie *pcie, u8 busnr, u8 fn,
u32 r, bool is_io,
@@ -99,6 +101,7 @@ void cdns_pcie_set_outbound_region(struct cdns_pcie *pcie, u8 busnr, u8 fn,
cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_CPU_ADDR0(r), addr0);
cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_CPU_ADDR1(r), addr1);
}
+EXPORT_SYMBOL_GPL(cdns_pcie_set_outbound_region);
void cdns_pcie_set_outbound_region_for_normal_msg(struct cdns_pcie *pcie,
u8 busnr, u8 fn,
@@ -133,6 +136,7 @@ void cdns_pcie_set_outbound_region_for_normal_msg(struct cdns_pcie *pcie,
cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_CPU_ADDR0(r), addr0);
cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_CPU_ADDR1(r), addr1);
}
+EXPORT_SYMBOL_GPL(cdns_pcie_set_outbound_region_for_normal_msg);
void cdns_pcie_reset_outbound_region(struct cdns_pcie *pcie, u32 r)
{
@@ -145,6 +149,7 @@ void cdns_pcie_reset_outbound_region(struct cdns_pcie *pcie, u32 r)
cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_CPU_ADDR0(r), 0);
cdns_pcie_writel(pcie, CDNS_PCIE_AT_OB_REGION_CPU_ADDR1(r), 0);
}
+EXPORT_SYMBOL_GPL(cdns_pcie_reset_outbound_region);
void cdns_pcie_disable_phy(struct cdns_pcie *pcie)
{
@@ -155,6 +160,7 @@ void cdns_pcie_disable_phy(struct cdns_pcie *pcie)
phy_exit(pcie->phy[i]);
}
}
+EXPORT_SYMBOL_GPL(cdns_pcie_disable_phy);
int cdns_pcie_enable_phy(struct cdns_pcie *pcie)
{
@@ -242,6 +248,7 @@ int cdns_pcie_init_phy(struct device *dev, struct cdns_pcie *pcie)
return ret;
}
+EXPORT_SYMBOL_GPL(cdns_pcie_init_phy);
static int cdns_pcie_suspend_noirq(struct device *dev)
{
@@ -270,3 +277,5 @@ const struct dev_pm_ops cdns_pcie_pm_ops = {
NOIRQ_SYSTEM_SLEEP_PM_OPS(cdns_pcie_suspend_noirq,
cdns_pcie_resume_noirq)
};
+
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/pci/controller/cadence/pcie-cadence.h b/drivers/pci/controller/cadence/pcie-cadence.h
index 190786e47df9..65b330c28299 100644
--- a/drivers/pci/controller/cadence/pcie-cadence.h
+++ b/drivers/pci/controller/cadence/pcie-cadence.h
@@ -514,7 +514,7 @@ static inline bool cdns_pcie_link_up(struct cdns_pcie *pcie)
return true;
}
-#ifdef CONFIG_PCIE_CADENCE_HOST
+#if IS_ENABLED(CONFIG_PCIE_CADENCE_HOST)
int cdns_pcie_host_setup(struct cdns_pcie_rc *rc);
void __iomem *cdns_pci_map_bus(struct pci_bus *bus, unsigned int devfn,
int where);
@@ -531,7 +531,7 @@ static inline void __iomem *cdns_pci_map_bus(struct pci_bus *bus, unsigned int d
}
#endif
-#ifdef CONFIG_PCIE_CADENCE_EP
+#if IS_ENABLED(CONFIG_PCIE_CADENCE_EP)
int cdns_pcie_ep_setup(struct cdns_pcie_ep *ep);
#else
static inline int cdns_pcie_ep_setup(struct cdns_pcie_ep *ep)
--
2.25.1
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