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PCI: Remove unused pci_dma_burst_advice() 

pci_dma_burst_advice() was added by e24c2d963a ("[PATCH] PCI: DMA
bursting advice") but apparently never used.  Remove it.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Michal Simek <monstr@monstr.eu>	# microblaze
CC: David S. Miller <davem@davemloft.net>
This commit is contained in:
Bjorn Helgaas 2015-06-04 16:38:17 -05:00
parent d59d36a7fc
commit 01d72a9518
15 changed files with 0 additions and 200 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
arch/alpha/include/asm/pci.h
View File

@ -71,22 +71,6 @@ extern void pcibios_set_master(struct pci_dev *dev);
/* implement the pci_ DMA API in terms of the generic device dma_ one */
#include <asm-generic/pci-dma-compat.h>
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
unsigned long *strategy_parameter)
{
unsigned long cacheline_size;
u8 byte;
pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &byte);
if (byte == 0)
cacheline_size = 1024;
else
cacheline_size = (int) byte * 4;
*strat = PCI_DMA_BURST_BOUNDARY;
*strategy_parameter = cacheline_size;
}
#endif
/* TODO: integrate with include/asm-generic/pci.h ? */

10
arch/arm/include/asm/pci.h
View File

@ -31,16 +31,6 @@ static inline int pci_proc_domain(struct pci_bus *bus)
*/
#define PCI_DMA_BUS_IS_PHYS (1)
#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
unsigned long *strategy_parameter)
{
*strat = PCI_DMA_BURST_INFINITY;
*strategy_parameter = ~0UL;
}
#endif
#define HAVE_PCI_MMAP
extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine);

10
arch/frv/include/asm/pci.h
View File

@ -41,16 +41,6 @@ extern void pci_free_consistent(struct pci_dev *hwdev, size_t size,
/* Return the index of the PCI controller for device PDEV. */
#define pci_controller_num(PDEV) (0)
#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
unsigned long *strategy_parameter)
{
*strat = PCI_DMA_BURST_INFINITY;
*strategy_parameter = ~0UL;
}
#endif
/*
* These are pretty much arbitrary with the CoMEM implementation.
* We have the whole address space to ourselves.

19
arch/ia64/include/asm/pci.h
View File

@ -52,25 +52,6 @@ extern unsigned long ia64_max_iommu_merge_mask;
#include <asm-generic/pci-dma-compat.h>
#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
unsigned long *strategy_parameter)
{
unsigned long cacheline_size;
u8 byte;
pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &byte);
if (byte == 0)
cacheline_size = 1024;
else
cacheline_size = (int) byte * 4;
*strat = PCI_DMA_BURST_MULTIPLE;
*strategy_parameter = cacheline_size;
}
#endif
#define HAVE_PCI_MMAP
extern int pci_mmap_page_range (struct pci_dev *dev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine);

10
arch/microblaze/include/asm/pci.h
View File

@ -44,16 +44,6 @@ struct pci_dev;
*/
#define pcibios_assign_all_busses() 0
#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
unsigned long *strategy_parameter)
{
*strat = PCI_DMA_BURST_INFINITY;
*strategy_parameter = ~0UL;
}
#endif
extern int pci_domain_nr(struct pci_bus *bus);
/* Decide whether to display the domain number in /proc */

10
arch/mips/include/asm/pci.h
View File

@ -113,16 +113,6 @@ struct pci_dev;
*/
extern unsigned int PCI_DMA_BUS_IS_PHYS;
#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
unsigned long *strategy_parameter)
{
*strat = PCI_DMA_BURST_INFINITY;
*strategy_parameter = ~0UL;
}
#endif
#ifdef CONFIG_PCI_DOMAINS
#define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index

19
arch/parisc/include/asm/pci.h
View File

@ -196,25 +196,6 @@ static inline void pcibios_register_hba(struct pci_hba_data *x)
/* export the pci_ DMA API in terms of the dma_ one */
#include <asm-generic/pci-dma-compat.h>
#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
unsigned long *strategy_parameter)
{
unsigned long cacheline_size;
u8 byte;
pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &byte);
if (byte == 0)
cacheline_size = 1024;
else
cacheline_size = (int) byte * 4;
*strat = PCI_DMA_BURST_MULTIPLE;
*strategy_parameter = cacheline_size;
}
#endif
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{
return channel ? 15 : 14;

30
arch/powerpc/include/asm/pci.h
View File

@ -71,36 +71,6 @@ extern struct dma_map_ops *get_pci_dma_ops(void);
*/
#define PCI_DISABLE_MWI
#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
unsigned long *strategy_parameter)
{
unsigned long cacheline_size;
u8 byte;
pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &byte);
if (byte == 0)
cacheline_size = 1024;
else
cacheline_size = (int) byte * 4;
*strat = PCI_DMA_BURST_MULTIPLE;
*strategy_parameter = cacheline_size;
}
#endif
#else /* 32-bit */
#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
unsigned long *strategy_parameter)
{
*strat = PCI_DMA_BURST_INFINITY;
*strategy_parameter = ~0UL;
}
#endif
#endif /* CONFIG_PPC64 */
extern int pci_domain_nr(struct pci_bus *bus);

18
arch/sh/include/asm/pci.h
View File

@ -86,24 +86,6 @@ extern void pcibios_set_master(struct pci_dev *dev);
* direct memory write.
*/
#define PCI_DISABLE_MWI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
unsigned long *strategy_parameter)
{
unsigned long cacheline_size;
u8 byte;
pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &byte);
if (byte == 0)
cacheline_size = L1_CACHE_BYTES;
else
cacheline_size = byte << 2;
*strat = PCI_DMA_BURST_MULTIPLE;
*strategy_parameter = cacheline_size;
}
#endif
/* Board-specific fixup routines. */

10
arch/sparc/include/asm/pci_32.h
View File

@ -22,16 +22,6 @@
struct pci_dev;
#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
unsigned long *strategy_parameter)
{
*strat = PCI_DMA_BURST_INFINITY;
*strategy_parameter = ~0UL;
}
#endif
#endif /* __KERNEL__ */
#ifndef CONFIG_LEON_PCI

19
arch/sparc/include/asm/pci_64.h
View File

@ -31,25 +31,6 @@
#define PCI64_REQUIRED_MASK (~(u64)0)
#define PCI64_ADDR_BASE 0xfffc000000000000UL
#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
unsigned long *strategy_parameter)
{
unsigned long cacheline_size;
u8 byte;
pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &byte);
if (byte == 0)
cacheline_size = 1024;
else
cacheline_size = (int) byte * 4;
*strat = PCI_DMA_BURST_BOUNDARY;
*strategy_parameter = cacheline_size;
}
#endif
/* Return the index of the PCI controller for device PDEV. */
int pci_domain_nr(struct pci_bus *bus);

10
arch/unicore32/include/asm/pci.h
View File

@ -18,16 +18,6 @@
#include <asm-generic/pci.h>
#include <mach/hardware.h> /* for PCIBIOS_MIN_* */
#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
unsigned long *strategy_parameter)
{
*strat = PCI_DMA_BURST_INFINITY;
*strategy_parameter = ~0UL;
}
#endif
#define HAVE_PCI_MMAP
extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine);

7
arch/x86/include/asm/pci.h
View File

@ -80,13 +80,6 @@ extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
#ifdef CONFIG_PCI
extern void early_quirks(void);
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
unsigned long *strategy_parameter)
{
*strat = PCI_DMA_BURST_INFINITY;
*strategy_parameter = ~0UL;
}
#else
static inline void early_quirks(void) { }
#endif

1
drivers/net/ethernet/sun/cassini.c
View File

@ -3058,7 +3058,6 @@ static void cas_init_mac(struct cas *cp)
/* setup core arbitration weight register */
writel(CAWR_RR_DIS, cp->regs + REG_CAWR);
/* XXX Use pci_dma_burst_advice() */
#if !defined(CONFIG_SPARC64) && !defined(CONFIG_ALPHA)
/* set the infinite burst register for chips that don't have
* pci issues.

11
include/linux/pci.h
View File

@ -1197,15 +1197,6 @@ int pci_set_vga_state(struct pci_dev *pdev, bool decode,
#define pci_pool_alloc(pool, flags, handle) dma_pool_alloc(pool, flags, handle)
#define pci_pool_free(pool, vaddr, addr) dma_pool_free(pool, vaddr, addr)
enum pci_dma_burst_strategy {
PCI_DMA_BURST_INFINITY, /* make bursts as large as possible,
strategy_parameter is N/A */
PCI_DMA_BURST_BOUNDARY, /* disconnect at every strategy_parameter
byte boundaries */
PCI_DMA_BURST_MULTIPLE, /* disconnect at some multiple of
strategy_parameter byte boundaries */
};
struct msix_entry {
u32 vector; /* kernel uses to write allocated vector */
u16 entry; /* driver uses to specify entry, OS writes */
@ -1430,8 +1421,6 @@ static inline int pci_request_regions(struct pci_dev *dev, const char *res_name)
{ return -EIO; }
static inline void pci_release_regions(struct pci_dev *dev) { }
#define pci_dma_burst_advice(pdev, strat, strategy_parameter) do { } while (0)
static inline void pci_block_cfg_access(struct pci_dev *dev) { }
static inline int pci_block_cfg_access_in_atomic(struct pci_dev *dev)
{ return 0; }