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ide: make /proc/ide/ optional 

All important information/features should be already available through
sysfs and ioctl interfaces.

Add CONFIG_IDE_PROC_FS (CONFIG_SCSI_PROC_FS rip-off) config option,
disabling it makes IDE driver ~5 kB smaller (on x86-32).

While at it add CONFIG_PROC_FS=n versions of proc_ide_{create,destroy}()
and remove no longer needed #ifdefs.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2007-05-10 00:01:09 +02:00
parent 29e744d088
commit ecfd80e4a5
13 changed files with 48 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/ide/Kconfig
View File

@ -291,6 +291,17 @@ config IDE_TASK_IOCTL
If you are unsure, say N here.
config IDE_PROC_FS
bool "legacy /proc/ide/ support"
depends on IDE && PROC_FS
default y
help
This option enables support for the various files in
/proc/ide. In Linux 2.6 this has been superseded by
files in sysfs but many legacy applications rely on this.
If unsure say Y.
comment "IDE chipset support/bugfixes"
config IDE_GENERIC

2
drivers/ide/Makefile
View File

@ -20,7 +20,7 @@ ide-core-$(CONFIG_BLK_DEV_CMD640) += pci/cmd640.o
# Core IDE code - must come before legacy
ide-core-$(CONFIG_BLK_DEV_IDEPCI) += setup-pci.o
ide-core-$(CONFIG_BLK_DEV_IDEDMA) += ide-dma.o
ide-core-$(CONFIG_PROC_FS) += ide-proc.o
ide-core-$(CONFIG_IDE_PROC_FS) += ide-proc.o
ide-core-$(CONFIG_BLK_DEV_IDEPNP) += ide-pnp.o
ide-core-$(CONFIG_BLK_DEV_IDEACPI) += ide-acpi.o

4
drivers/ide/ide-cd.c
View File

@ -3274,7 +3274,7 @@ int ide_cdrom_setup (ide_drive_t *drive)
return 0;
}
#ifdef CONFIG_PROC_FS
#ifdef CONFIG_IDE_PROC_FS
static
sector_t ide_cdrom_capacity (ide_drive_t *drive)
{
@ -3321,7 +3321,7 @@ static void ide_cd_release(struct kref *kref)
static int ide_cd_probe(ide_drive_t *);
#ifdef CONFIG_PROC_FS
#ifdef CONFIG_IDE_PROC_FS
static int proc_idecd_read_capacity
(char *page, char **start, off_t off, int count, int *eof, void *data)
{

4
drivers/ide/ide-disk.c
View File

@ -559,7 +559,7 @@ static sector_t idedisk_capacity (ide_drive_t *drive)
return drive->capacity64 - drive->sect0;
}
#ifdef CONFIG_PROC_FS
#ifdef CONFIG_IDE_PROC_FS
static int smart_enable(ide_drive_t *drive)
{
@ -683,7 +683,7 @@ static ide_proc_entry_t idedisk_proc[] = {
#define idedisk_proc NULL
#endif /* CONFIG_PROC_FS */
#endif /* CONFIG_IDE_PROC_FS */
static void idedisk_prepare_flush(request_queue_t *q, struct request *rq)
{

4
drivers/ide/ide-floppy.c
View File

@ -1892,7 +1892,7 @@ static void ide_floppy_release(struct kref *kref)
kfree(floppy);
}
#ifdef CONFIG_PROC_FS
#ifdef CONFIG_IDE_PROC_FS
static int proc_idefloppy_read_capacity
(char *page, char **start, off_t off, int count, int *eof, void *data)
@ -1914,7 +1914,7 @@ static ide_proc_entry_t idefloppy_proc[] = {
#define idefloppy_proc NULL
#endif /* CONFIG_PROC_FS */
#endif /* CONFIG_IDE_PROC_FS */
static int ide_floppy_probe(ide_drive_t *);

2
drivers/ide/ide-tape.c
View File

@ -4730,7 +4730,7 @@ static void ide_tape_release(struct kref *kref)
kfree(tape);
}
#ifdef CONFIG_PROC_FS
#ifdef CONFIG_IDE_PROC_FS
static int proc_idetape_read_name
(char *page, char **start, off_t off, int count, int *eof, void *data)

15
drivers/ide/ide.c
View File

@ -350,7 +350,7 @@ static int ide_system_bus_speed(void)
return system_bus_speed;
}
#ifdef CONFIG_PROC_FS
#ifdef CONFIG_IDE_PROC_FS
struct proc_dir_entry *proc_ide_root;
#endif
@ -1892,7 +1892,7 @@ static void __init probe_for_hwifs (void)
void ide_register_subdriver(ide_drive_t *drive, ide_driver_t *driver)
{
#ifdef CONFIG_PROC_FS
#ifdef CONFIG_IDE_PROC_FS
ide_add_proc_entries(drive->proc, driver->proc, drive);
#endif
}
@ -1914,8 +1914,8 @@ EXPORT_SYMBOL(ide_register_subdriver);
void ide_unregister_subdriver(ide_drive_t *drive, ide_driver_t *driver)
{
unsigned long flags;
#ifdef CONFIG_PROC_FS
#ifdef CONFIG_IDE_PROC_FS
ide_remove_proc_entries(drive->proc, driver->proc);
#endif
down(&ide_setting_sem);
@ -2069,7 +2069,7 @@ static int __init ide_init(void)
init_ide_data();
#ifdef CONFIG_PROC_FS
#ifdef CONFIG_IDE_PROC_FS
proc_ide_root = proc_mkdir("ide", NULL);
#endif
@ -2099,9 +2099,8 @@ static int __init ide_init(void)
probe_for_hwifs();
initializing = 0;
#ifdef CONFIG_PROC_FS
proc_ide_create();
#endif
return 0;
}
@ -2141,9 +2140,7 @@ void __exit cleanup_module (void)
pnpide_exit();
#endif
#ifdef CONFIG_PROC_FS
proc_ide_destroy();
#endif
bus_unregister(&ide_bus_type);
}

8
drivers/ide/pci/alim15x3.c
View File

@ -50,7 +50,7 @@ static u8 m5229_revision;
static u8 chip_is_1543c_e;
static struct pci_dev *isa_dev;
#if defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_PROC_FS)
#if defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS)
#include <linux/stat.h>
#include <linux/proc_fs.h>
@ -278,7 +278,7 @@ static int ali_get_info (char *buffer, char **addr, off_t offset, int count)
return p-buffer; /* => must be less than 4k! */
}
#endif /* defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_PROC_FS) */
#endif /* defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS) */
/**
* ali15x3_tune_pio - set up chipset for PIO mode
@ -566,13 +566,13 @@ static unsigned int __devinit init_chipset_ali15x3 (struct pci_dev *dev, const c
isa_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL);
#if defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_PROC_FS)
#if defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS)
if (!ali_proc) {
ali_proc = 1;
bmide_dev = dev;
ide_pci_create_host_proc("ali", ali_get_info);
}
#endif /* defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_PROC_FS) */
#endif /* defined(DISPLAY_ALI_TIMINGS) && defined(CONFIG_IDE_PROC_FS) */
local_irq_save(flags);

6
drivers/ide/pci/amd74xx.c
View File

@ -92,7 +92,7 @@ static unsigned char amd_cyc2udma[] = { 6, 6, 5, 4, 0, 1, 1, 2, 2, 3, 3, 3, 3, 3
* AMD /proc entry.
*/
#ifdef CONFIG_PROC_FS
#ifdef CONFIG_IDE_PROC_FS
#include <linux/stat.h>
#include <linux/proc_fs.h>
@ -402,14 +402,14 @@ static unsigned int __devinit init_chipset_amd74xx(struct pci_dev *dev, const ch
* Register /proc/ide/amd74xx entry
*/
#if defined(DISPLAY_AMD_TIMINGS) && defined(CONFIG_PROC_FS)
#if defined(DISPLAY_AMD_TIMINGS) && defined(CONFIG_IDE_PROC_FS)
if (!amd74xx_proc) {
amd_base = pci_resource_start(dev, 4);
bmide_dev = dev;
ide_pci_create_host_proc("amd74xx", amd74xx_get_info);
amd74xx_proc = 1;
}
#endif /* DISPLAY_AMD_TIMINGS && CONFIG_PROC_FS */
#endif /* DISPLAY_AMD_TIMINGS && CONFIG_IDE_PROC_FS */
return dev->irq;
}

8
drivers/ide/pci/cmd64x.c
View File

@ -74,7 +74,7 @@
#define UDIDETCR1 0x7B
#define DTPR1 0x7C
#if defined(DISPLAY_CMD64X_TIMINGS) && defined(CONFIG_PROC_FS)
#if defined(DISPLAY_CMD64X_TIMINGS) && defined(CONFIG_IDE_PROC_FS)
#include <linux/stat.h>
#include <linux/proc_fs.h>
@ -165,7 +165,7 @@ static int cmd64x_get_info (char *buffer, char **addr, off_t offset, int count)
return p-buffer; /* => must be less than 4k! */
}
#endif /* defined(DISPLAY_CMD64X_TIMINGS) && defined(CONFIG_PROC_FS) */
#endif /* defined(DISPLAY_CMD64X_TIMINGS) && defined(CONFIG_IDE_PROC_FS) */
static u8 quantize_timing(int timing, int quant)
{
@ -548,7 +548,7 @@ static unsigned int __devinit init_chipset_cmd64x(struct pci_dev *dev, const cha
(void) pci_write_config_byte(dev, UDIDETCR0, 0xf0);
#endif /* CONFIG_PPC */
#if defined(DISPLAY_CMD64X_TIMINGS) && defined(CONFIG_PROC_FS)
#if defined(DISPLAY_CMD64X_TIMINGS) && defined(CONFIG_IDE_PROC_FS)
cmd_devs[n_cmd_devs++] = dev;
@ -556,7 +556,7 @@ static unsigned int __devinit init_chipset_cmd64x(struct pci_dev *dev, const cha
cmd64x_proc = 1;
ide_pci_create_host_proc("cmd64x", cmd64x_get_info);
}
#endif /* DISPLAY_CMD64X_TIMINGS && CONFIG_PROC_FS */
#endif /* DISPLAY_CMD64X_TIMINGS && CONFIG_IDE_PROC_FS */
return 0;
}

6
drivers/ide/pci/sis5513.c
View File

@ -191,7 +191,7 @@ static char* chipset_capability[] = {
"ATA 133 (1st gen)", "ATA 133 (2nd gen)"
};
#if defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_PROC_FS)
#if defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_IDE_PROC_FS)
#include <linux/stat.h>
#include <linux/proc_fs.h>
@ -426,7 +426,7 @@ static int sis_get_info (char *buffer, char **addr, off_t offset, int count)
return len > count ? count : len;
}
#endif /* defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_PROC_FS) */
#endif /* defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_IDE_PROC_FS) */
/*
* Configuration functions
@ -797,7 +797,7 @@ static unsigned int __devinit init_chipset_sis5513 (struct pci_dev *dev, const c
break;
}
#if defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_PROC_FS)
#if defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_IDE_PROC_FS)
if (!sis_proc) {
sis_proc = 1;
bmide_dev = dev;

2
drivers/scsi/ide-scsi.c
View File

@ -770,7 +770,7 @@ static void ide_scsi_remove(ide_drive_t *drive)
static int ide_scsi_probe(ide_drive_t *);
#ifdef CONFIG_PROC_FS
#ifdef CONFIG_IDE_PROC_FS
static ide_proc_entry_t idescsi_proc[] = {
{ "capacity", S_IFREG|S_IRUGO, proc_ide_read_capacity, NULL },
{ NULL, 0, NULL, NULL }

14
include/linux/ide.h
View File

@ -912,15 +912,15 @@ typedef struct {
write_proc_t *write_proc;
} ide_proc_entry_t;
#ifdef CONFIG_PROC_FS
#ifdef CONFIG_IDE_PROC_FS
extern struct proc_dir_entry *proc_ide_root;
extern void proc_ide_create(void);
extern void proc_ide_destroy(void);
extern void create_proc_ide_interfaces(void);
void proc_ide_create(void);
void proc_ide_destroy(void);
void create_proc_ide_interfaces(void);
void destroy_proc_ide_interface(ide_hwif_t *);
extern void ide_add_proc_entries(struct proc_dir_entry *, ide_proc_entry_t *, void *);
extern void ide_remove_proc_entries(struct proc_dir_entry *, ide_proc_entry_t *);
void ide_add_proc_entries(struct proc_dir_entry *, ide_proc_entry_t *, void *);
void ide_remove_proc_entries(struct proc_dir_entry *, ide_proc_entry_t *);
read_proc_t proc_ide_read_capacity;
read_proc_t proc_ide_read_geometry;
@ -944,6 +944,8 @@ void ide_pci_create_host_proc(const char *, get_info_t *);
return len; \
}
#else
static inline void proc_ide_create(void) { ; }
static inline void proc_ide_destroy(void) { ; }
static inline void create_proc_ide_interfaces(void) { ; }
static inline void destroy_proc_ide_interface(ide_hwif_t *hwif) { ; }
#define PROC_IDE_READ_RETURN(page,start,off,count,eof,len) return 0;