amd74xx: remove /proc/ide/amd74xx

This belongs to user-space (and only if really needed).

   text    data     bss     dec     hex filename
   6723    2000      28    8751    222f drivers/ide/pci/amd74xx.o.before
   3833    2000      16    5849    16d9 drivers/ide/pci/amd74xx.o.after

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/pci/amd74xx.c

@@ -1,5 +1,5 @@
 /*
- * Version 2.23
+ * Version 2.24
  *
  * AMD 755/756/766/8111 and nVidia nForce/2/2s/3/3s/CK804/MCP04
  * IDE driver for Linux.
@@ -28,9 +28,6 @@
 
 #include "ide-timing.h"
 
-#define DISPLAY_AMD_TIMINGS
-
-#define AMD_IDE_ENABLE		(0x00 + amd_config->base)
 #define AMD_IDE_CONFIG		(0x01 + amd_config->base)
 #define AMD_CABLE_DETECT	(0x02 + amd_config->base)
 #define AMD_DRIVE_TIMING	(0x08 + amd_config->base)
@@ -87,118 +84,6 @@ static unsigned int amd_clock;
 static char *amd_dma[] = { "16", "25", "33", "44", "66", "100", "133" };
 static unsigned char amd_cyc2udma[] = { 6, 6, 5, 4, 0, 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 7 };
 
-/*
- * AMD /proc entry.
- */
-
-#ifdef CONFIG_IDE_PROC_FS
-
-#include <linux/stat.h>
-#include <linux/proc_fs.h>
-
-static u8 amd74xx_proc;
-
-static unsigned char amd_udma2cyc[] = { 4, 6, 8, 10, 3, 2, 1, 15 };
-static unsigned long amd_base;
-static struct pci_dev *bmide_dev;
-extern int (*amd74xx_display_info)(char *, char **, off_t, int); /* ide-proc.c */
-
-#define amd_print(format, arg...) p += sprintf(p, format "\n" , ## arg)
-#define amd_print_drive(name, format, arg...)\
-	p += sprintf(p, name); for (i = 0; i < 4; i++) p += sprintf(p, format, ## arg); p += sprintf(p, "\n");
-
-static int amd74xx_get_info(char *buffer, char **addr, off_t offset, int count)
-{
-	int speed[4], cycle[4], setup[4], active[4], recover[4], den[4],
-		 uen[4], udma[4], active8b[4], recover8b[4];
-	struct pci_dev *dev = bmide_dev;
-	unsigned int v, u, i;
-	unsigned short c, w;
-	unsigned char t;
-	int len;
-	char *p = buffer;
-
-	amd_print("----------AMD BusMastering IDE Configuration----------------");
-
-	amd_print("Driver Version:                     2.13");
-	amd_print("South Bridge:                       %s", pci_name(bmide_dev));
-
-	amd_print("Revision:                           IDE %#x", dev->revision);
-	amd_print("Highest DMA rate:                   UDMA%s", amd_dma[fls(amd_config->udma_mask) - 1]);
-
-	amd_print("BM-DMA base:                        %#lx", amd_base);
-	amd_print("PCI clock:                          %d.%dMHz", amd_clock / 1000, amd_clock / 100 % 10);
-
-	amd_print("-----------------------Primary IDE-------Secondary IDE------");
-
-	pci_read_config_byte(dev, AMD_IDE_CONFIG, &t);
-	amd_print("Prefetch Buffer:       %10s%20s", (t & 0x80) ? "yes" : "no", (t & 0x20) ? "yes" : "no");
-	amd_print("Post Write Buffer:     %10s%20s", (t & 0x40) ? "yes" : "no", (t & 0x10) ? "yes" : "no");
-
-	pci_read_config_byte(dev, AMD_IDE_ENABLE, &t);
-	amd_print("Enabled:               %10s%20s", (t & 0x02) ? "yes" : "no", (t & 0x01) ? "yes" : "no");
-
-	c = inb(amd_base + 0x02) | (inb(amd_base + 0x0a) << 8);
-	amd_print("Simplex only:          %10s%20s", (c & 0x80) ? "yes" : "no", (c & 0x8000) ? "yes" : "no");
-
-	amd_print("Cable Type:            %10s%20s", (amd_80w & 1) ? "80w" : "40w", (amd_80w & 2) ? "80w" : "40w");
-
-	if (!amd_clock)
-                return p - buffer;
-
-	amd_print("-------------------drive0----drive1----drive2----drive3-----");
-
-	pci_read_config_byte(dev, AMD_ADDRESS_SETUP, &t);
-	pci_read_config_dword(dev, AMD_DRIVE_TIMING, &v);
-	pci_read_config_word(dev, AMD_8BIT_TIMING, &w);
-	pci_read_config_dword(dev, AMD_UDMA_TIMING, &u);
-
-	for (i = 0; i < 4; i++) {
-		setup[i]     = ((t >> ((3 - i) << 1)) & 0x3) + 1;
-		recover8b[i] = ((w >> ((1 - (i >> 1)) << 3)) & 0xf) + 1;
-		active8b[i]  = ((w >> (((1 - (i >> 1)) << 3) + 4)) & 0xf) + 1;
-		active[i]    = ((v >> (((3 - i) << 3) + 4)) & 0xf) + 1;
-		recover[i]   = ((v >> ((3 - i) << 3)) & 0xf) + 1;
-
-		udma[i] = amd_udma2cyc[((u >> ((3 - i) << 3)) & 0x7)];
-		uen[i]  = ((u >> ((3 - i) << 3)) & 0x40) ? 1 : 0;
-		den[i]  = (c & ((i & 1) ? 0x40 : 0x20) << ((i & 2) << 2));
-
-		if (den[i] && uen[i] && udma[i] == 1) {
-			speed[i] = amd_clock * 3;
-			cycle[i] = 666666 / amd_clock;
-			continue;
-		}
-
-		if (den[i] && uen[i] && udma[i] == 15) {
-			speed[i] = amd_clock * 4;
-			cycle[i] = 500000 / amd_clock;
-			continue;
-		}
-
-		speed[i] = 4 * amd_clock / ((den[i] && uen[i]) ? udma[i] : (active[i] + recover[i]) * 2);
-		cycle[i] = 1000000 * ((den[i] && uen[i]) ? udma[i] : (active[i] + recover[i]) * 2) / amd_clock / 2;
-	}
-
-	amd_print_drive("Transfer Mode: ", "%10s", den[i] ? (uen[i] ? "UDMA" : "DMA") : "PIO");
-
-	amd_print_drive("Address Setup: ", "%8dns", 1000000 * setup[i] / amd_clock);
-	amd_print_drive("Cmd Active:    ", "%8dns", 1000000 * active8b[i] / amd_clock);
-	amd_print_drive("Cmd Recovery:  ", "%8dns", 1000000 * recover8b[i] / amd_clock);
-	amd_print_drive("Data Active:   ", "%8dns", 1000000 * active[i] / amd_clock);
-	amd_print_drive("Data Recovery: ", "%8dns", 1000000 * recover[i] / amd_clock);
-	amd_print_drive("Cycle Time:    ", "%8dns", cycle[i]);
-	amd_print_drive("Transfer Rate: ", "%4d.%dMB/s", speed[i] / 1000, speed[i] / 100 % 10);
-
-	/* hoping p - buffer is less than 4K... */
-	len = (p - buffer) - offset;
-	*addr = buffer + offset;
-
-	return len > count ? count : len;
-}
-
-#endif
-
 /*
  * amd_set_speed() writes timing values to the chipset registers
  */
@@ -353,19 +238,6 @@ static unsigned int __devinit init_chipset_amd74xx(struct pci_dev *dev, const ch
 		amd_chipset->name, pci_name(dev), dev->revision,
 		amd_dma[fls(amd_config->udma_mask) - 1]);
 
-/*
- * Register /proc/ide/amd74xx entry
- */
-
-#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_IDE_PROC_FS */
-
 	return dev->irq;
 }