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Date: Mon, 6 Jan 2014 14:18:16 +0800
From: Jiang Liu <jiang.liu@...ux.intel.com>
To: Joerg Roedel <joro@...tes.org>,
David Woodhouse <dwmw2@...radead.org>,
Yinghai Lu <yinghai@...nel.org>,
Dan Williams <dan.j.williams@...el.com>,
Vinod Koul <vinod.koul@...el.com>
Cc: Jiang Liu <jiang.liu@...ux.intel.com>,
Ashok Raj <ashok.raj@...el.com>,
Yijing Wang <wangyijing@...wei.com>,
Tony Luck <tony.luck@...el.com>,
iommu@...ts.linux-foundation.org, linux-pci@...r.kernel.org,
linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org
Subject: [Patch Part1 V3 09/20] iommu/vt-d: mark internal functions as static
Function detect_intel_iommu()/alloc_iommu()/parse_ioapics_under_ir()
are only used internally, so mark them as static.
Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>
---
drivers/iommu/dmar.c | 9 ++++++---
drivers/iommu/intel_irq_remapping.c | 4 +++-
include/linux/dmar.h | 12 +-----------
include/linux/intel-iommu.h | 1 -
4 files changed, 10 insertions(+), 16 deletions(-)
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index f5f7b7d..f02a4fd 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -52,6 +52,8 @@ LIST_HEAD(dmar_drhd_units);
struct acpi_table_header * __initdata dmar_tbl;
static acpi_size dmar_tbl_size;
+static int alloc_iommu(struct dmar_drhd_unit *drhd);
+
static void __init dmar_register_drhd_unit(struct dmar_drhd_unit *drhd)
{
/*
@@ -498,7 +500,7 @@ static void warn_invalid_dmar(u64 addr, const char *message)
dmi_get_system_info(DMI_PRODUCT_VERSION));
}
-int __init check_zero_address(void)
+static int __init check_zero_address(void)
{
struct acpi_table_dmar *dmar;
struct acpi_dmar_header *entry_header;
@@ -548,7 +550,7 @@ failed:
return 0;
}
-int __init detect_intel_iommu(void)
+static int __init detect_intel_iommu(void)
{
int ret;
@@ -649,7 +651,7 @@ out:
return err;
}
-int alloc_iommu(struct dmar_drhd_unit *drhd)
+static int alloc_iommu(struct dmar_drhd_unit *drhd)
{
struct intel_iommu *iommu;
u32 ver, sts;
@@ -1366,4 +1368,5 @@ int __init dmar_ir_support(void)
return 0;
return dmar->flags & 0x1;
}
+
IOMMU_INIT_POST(detect_intel_iommu);
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index 2616e8a..6712f1e 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -40,6 +40,8 @@ static int ir_ioapic_num, ir_hpet_num;
static DEFINE_RAW_SPINLOCK(irq_2_ir_lock);
+static int __init parse_ioapics_under_ir(void);
+
static struct irq_2_iommu *irq_2_iommu(unsigned int irq)
{
struct irq_cfg *cfg = irq_get_chip_data(irq);
@@ -773,7 +775,7 @@ static int ir_parse_ioapic_hpet_scope(struct acpi_dmar_header *header,
* Finds the assocaition between IOAPIC's and its Interrupt-remapping
* hardware unit.
*/
-int __init parse_ioapics_under_ir(void)
+static int __init parse_ioapics_under_ir(void)
{
struct dmar_drhd_unit *drhd;
int ir_supported = 0;
diff --git a/include/linux/dmar.h b/include/linux/dmar.h
index 8adfce0..f614357 100644
--- a/include/linux/dmar.h
+++ b/include/linux/dmar.h
@@ -33,6 +33,7 @@ struct acpi_dmar_header;
#define DMAR_X2APIC_OPT_OUT 0x2
struct intel_iommu;
+
#ifdef CONFIG_DMAR_TABLE
extern struct acpi_table_header *dmar_tbl;
struct dmar_drhd_unit {
@@ -62,19 +63,8 @@ extern struct list_head dmar_drhd_units;
extern int dmar_table_init(void);
extern int dmar_dev_scope_init(void);
-
-/* Intel IOMMU detection */
-extern int detect_intel_iommu(void);
extern int enable_drhd_fault_handling(void);
-
-extern int parse_ioapics_under_ir(void);
-extern int alloc_iommu(struct dmar_drhd_unit *);
#else
-static inline int detect_intel_iommu(void)
-{
- return -ENODEV;
-}
-
static inline int dmar_table_init(void)
{
return -ENODEV;
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index de1e5e9..f2c4114 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -348,7 +348,6 @@ static inline void __iommu_flush_cache(
extern struct dmar_drhd_unit * dmar_find_matched_drhd_unit(struct pci_dev *dev);
extern int dmar_find_matched_atsr_unit(struct pci_dev *dev);
-extern int alloc_iommu(struct dmar_drhd_unit *drhd);
extern void free_iommu(struct intel_iommu *iommu);
extern int dmar_enable_qi(struct intel_iommu *iommu);
extern void dmar_disable_qi(struct intel_iommu *iommu);
--
1.7.10.4
--
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