This belongs to user-space (and only if really needed).
text data bss dec hex filename
7129 404 8 7541 1d75 drivers/ide/pci/sis5513.o.before
3916 404 1 4321 10e1 drivers/ide/pci/sis5513.o.after
Additionaly to being bloat the code contained two bugs:
- wrong cable bit was checked (0x0001 instead of 0x8000) on ATA_133 chipsets
- incorrect UDMA cycle time was reported on ATA_100a/ATA_133 chipsets
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
---
drivers/ide/pci/sis5513.c | 249 ----------------------------------------------
1 file changed, 1 insertion(+), 248 deletions(-)
Index: b/drivers/ide/pci/sis5513.c
===================================================================
--- a/drivers/ide/pci/sis5513.c
+++ b/drivers/ide/pci/sis5513.c
@@ -1,5 +1,5 @@
/*
- * linux/drivers/ide/pci/sis5513.c Version 0.30 Aug 9, 2007
+ * linux/drivers/ide/pci/sis5513.c Version 0.31 Aug 9, 2007
*
* Copyright (C) 1999-2000 Andre Hedrick <andre@xxxxxxxxxxxxx>
* Copyright (C) 2002 Lionel Bouton <Lionel.Bouton@xxxxxxxx>, Maintainer
@@ -65,8 +65,6 @@
#include "ide-timing.h"
-#define DISPLAY_SIS_TIMINGS
-
/* registers layout and init values are chipset family dependant */
#define ATA_16 0x01
@@ -193,243 +191,6 @@ static char* chipset_capability[] = {
"ATA 133 (1st gen)", "ATA 133 (2nd gen)"
};
-#if defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_IDE_PROC_FS)
-#include <linux/stat.h>
-#include <linux/proc_fs.h>
-
-static u8 sis_proc = 0;
-
-static struct pci_dev *bmide_dev;
-
-static char* cable_type[] = {
- "80 pins",
- "40 pins"
-};
-
-static char* recovery_time[] ={
- "12 PCICLK", "1 PCICLK",
- "2 PCICLK", "3 PCICLK",
- "4 PCICLK", "5 PCICLCK",
- "6 PCICLK", "7 PCICLCK",
- "8 PCICLK", "9 PCICLCK",
- "10 PCICLK", "11 PCICLK",
- "13 PCICLK", "14 PCICLK",
- "15 PCICLK", "15 PCICLK"
-};
-
-static char* active_time[] = {
- "8 PCICLK", "1 PCICLCK",
- "2 PCICLK", "3 PCICLK",
- "4 PCICLK", "5 PCICLK",
- "6 PCICLK", "12 PCICLK"
-};
-
-static char* cycle_time[] = {
- "Reserved", "2 CLK",
- "3 CLK", "4 CLK",
- "5 CLK", "6 CLK",
- "7 CLK", "8 CLK",
- "9 CLK", "10 CLK",
- "11 CLK", "12 CLK",
- "13 CLK", "14 CLK",
- "15 CLK", "16 CLK"
-};
-
-/* Generic add master or slave info function */
-static char* get_drives_info (char *buffer, u8 pos)
-{
- u8 reg00, reg01, reg10, reg11; /* timing registers */
- u32 regdw0, regdw1;
- char* p = buffer;
-
-/* Postwrite/Prefetch */
- if (chipset_family < ATA_133) {
- pci_read_config_byte(bmide_dev, 0x4b, ®00);
- p += sprintf(p, "Drive %d: Postwrite %s \t \t Postwrite %s\n",
- pos, (reg00 & (0x10 << pos)) ? "Enabled" : "Disabled",
- (reg00 & (0x40 << pos)) ? "Enabled" : "Disabled");
- p += sprintf(p, " Prefetch %s \t \t Prefetch %s\n",
- (reg00 & (0x01 << pos)) ? "Enabled" : "Disabled",
- (reg00 & (0x04 << pos)) ? "Enabled" : "Disabled");
- pci_read_config_byte(bmide_dev, 0x40+2*pos, ®00);
- pci_read_config_byte(bmide_dev, 0x41+2*pos, ®01);
- pci_read_config_byte(bmide_dev, 0x44+2*pos, ®10);
- pci_read_config_byte(bmide_dev, 0x45+2*pos, ®11);
- } else {
- u32 reg54h;
- u8 drive_pci = 0x40;
- pci_read_config_dword(bmide_dev, 0x54, ®54h);
- if (reg54h & 0x40000000) {
- // Configuration space remapped to 0x70
- drive_pci = 0x70;
- }
- pci_read_config_dword(bmide_dev, (unsigned long)drive_pci+4*pos, ®dw0);
- pci_read_config_dword(bmide_dev, (unsigned long)drive_pci+4*pos+8, ®dw1);
-
- p += sprintf(p, "Drive %d:\n", pos);
- }
-
-
-/* UDMA */
- if (chipset_family >= ATA_133) {
- p += sprintf(p, " UDMA %s \t \t \t UDMA %s\n",
- (regdw0 & 0x04) ? "Enabled" : "Disabled",
- (regdw1 & 0x04) ? "Enabled" : "Disabled");
- p += sprintf(p, " UDMA Cycle Time %s \t UDMA Cycle Time %s\n",
- cycle_time[(regdw0 & 0xF0) >> 4],
- cycle_time[(regdw1 & 0xF0) >> 4]);
- } else if (chipset_family >= ATA_33) {
- p += sprintf(p, " UDMA %s \t \t \t UDMA %s\n",
- (reg01 & 0x80) ? "Enabled" : "Disabled",
- (reg11 & 0x80) ? "Enabled" : "Disabled");
-
- p += sprintf(p, " UDMA Cycle Time ");
- switch(chipset_family) {
- case ATA_33: p += sprintf(p, cycle_time[(reg01 & 0x60) >> 5]); break;
- case ATA_66:
- case ATA_100a: p += sprintf(p, cycle_time[(reg01 & 0x70) >> 4]); break;
- case ATA_100:
- case ATA_133a: p += sprintf(p, cycle_time[reg01 & 0x0F]); break;
- default: p += sprintf(p, "?"); break;
- }
- p += sprintf(p, " \t UDMA Cycle Time ");
- switch(chipset_family) {
- case ATA_33: p += sprintf(p, cycle_time[(reg11 & 0x60) >> 5]); break;
- case ATA_66:
- case ATA_100a: p += sprintf(p, cycle_time[(reg11 & 0x70) >> 4]); break;
- case ATA_100:
- case ATA_133a: p += sprintf(p, cycle_time[reg11 & 0x0F]); break;
- default: p += sprintf(p, "?"); break;
- }
- p += sprintf(p, "\n");
- }
-
-
- if (chipset_family < ATA_133) { /* else case TODO */
-
-/* Data Active */
- p += sprintf(p, " Data Active Time ");
- switch(chipset_family) {
- case ATA_16: /* confirmed */
- case ATA_33:
- case ATA_66:
- case ATA_100a: p += sprintf(p, active_time[reg01 & 0x07]); break;
- case ATA_100:
- case ATA_133a: p += sprintf(p, active_time[(reg00 & 0x70) >> 4]); break;
- default: p += sprintf(p, "?"); break;
- }
- p += sprintf(p, " \t Data Active Time ");
- switch(chipset_family) {
- case ATA_16:
- case ATA_33:
- case ATA_66:
- case ATA_100a: p += sprintf(p, active_time[reg11 & 0x07]); break;
- case ATA_100:
- case ATA_133a: p += sprintf(p, active_time[(reg10 & 0x70) >> 4]); break;
- default: p += sprintf(p, "?"); break;
- }
- p += sprintf(p, "\n");
-
-/* Data Recovery */
- /* warning: may need (reg&0x07) for pre ATA66 chips */
- p += sprintf(p, " Data Recovery Time %s \t Data Recovery Time %s\n",
- recovery_time[reg00 & 0x0f], recovery_time[reg10 & 0x0f]);
- }
-
- return p;
-}
-
-static char* get_masters_info(char* buffer)
-{
- return get_drives_info(buffer, 0);
-}
-
-static char* get_slaves_info(char* buffer)
-{
- return get_drives_info(buffer, 1);
-}
-
-/* Main get_info, called on /proc/ide/sis reads */
-static int sis_get_info (char *buffer, char **addr, off_t offset, int count)
-{
- char *p = buffer;
- int len;
- u8 reg;
- u16 reg2, reg3;
-
- p += sprintf(p, "\nSiS 5513 ");
- switch(chipset_family) {
- case ATA_16: p += sprintf(p, "DMA 16"); break;
- case ATA_33: p += sprintf(p, "Ultra 33"); break;
- case ATA_66: p += sprintf(p, "Ultra 66"); break;
- case ATA_100a:
- case ATA_100: p += sprintf(p, "Ultra 100"); break;
- case ATA_133a:
- case ATA_133: p += sprintf(p, "Ultra 133"); break;
- default: p+= sprintf(p, "Unknown???"); break;
- }
- p += sprintf(p, " chipset\n");
- p += sprintf(p, "--------------- Primary Channel "
- "---------------- Secondary Channel "
- "-------------\n");
-
-/* Status */
- pci_read_config_byte(bmide_dev, 0x4a, ®);
- if (chipset_family == ATA_133) {
- pci_read_config_word(bmide_dev, 0x50, ®2);
- pci_read_config_word(bmide_dev, 0x52, ®3);
- }
- p += sprintf(p, "Channel Status: ");
- if (chipset_family < ATA_66) {
- p += sprintf(p, "%s \t \t \t \t %s\n",
- (reg & 0x04) ? "On" : "Off",
- (reg & 0x02) ? "On" : "Off");
- } else if (chipset_family < ATA_133) {
- p += sprintf(p, "%s \t \t \t \t %s \n",
- (reg & 0x02) ? "On" : "Off",
- (reg & 0x04) ? "On" : "Off");
- } else { /* ATA_133 */
- p += sprintf(p, "%s \t \t \t \t %s \n",
- (reg2 & 0x02) ? "On" : "Off",
- (reg3 & 0x02) ? "On" : "Off");
- }
-
-/* Operation Mode */
- pci_read_config_byte(bmide_dev, 0x09, ®);
- p += sprintf(p, "Operation Mode: %s \t \t \t %s \n",
- (reg & 0x01) ? "Native" : "Compatible",
- (reg & 0x04) ? "Native" : "Compatible");
-
-/* 80-pin cable ? */
- if (chipset_family >= ATA_133) {
- p += sprintf(p, "Cable Type: %s \t \t \t %s\n",
- (reg2 & 0x01) ? cable_type[1] : cable_type[0],
- (reg3 & 0x01) ? cable_type[1] : cable_type[0]);
- } else if (chipset_family > ATA_33) {
- pci_read_config_byte(bmide_dev, 0x48, ®);
- p += sprintf(p, "Cable Type: %s \t \t \t %s\n",
- (reg & 0x10) ? cable_type[1] : cable_type[0],
- (reg & 0x20) ? cable_type[1] : cable_type[0]);
- }
-
-/* Prefetch Count */
- if (chipset_family < ATA_133) {
- pci_read_config_word(bmide_dev, 0x4c, ®2);
- pci_read_config_word(bmide_dev, 0x4e, ®3);
- p += sprintf(p, "Prefetch Count: %d \t \t \t \t %d\n",
- reg2, reg3);
- }
-
- p = get_masters_info(p);
- p = get_slaves_info(p);
-
- len = (p - buffer) - offset;
- *addr = buffer + offset;
-
- return len > count ? count : len;
-}
-#endif /* defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_IDE_PROC_FS) */
-
/*
* Configuration functions
*/
@@ -751,14 +512,6 @@ static unsigned int __devinit init_chips
}
break;
}
-
-#if defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_IDE_PROC_FS)
- if (!sis_proc) {
- sis_proc = 1;
- bmide_dev = dev;
- ide_pci_create_host_proc("sis", sis_get_info);
- }
-#endif
}
return 0;
-
To unsubscribe from this list: send the line "unsubscribe linux-ide" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
