cy82c693: remove dead CY82C693_SETDMA_CLOCK code

Remove dead CY82C693_SETDMA_CLOCK code and now not needed
init_chipset_cy82c693().
Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/pci/cy82c693.c

@@ -50,18 +50,12 @@
 
 #define DRV_NAME "cy82c693"
 
-/* the current version */
-#define CY82_VERSION	"CY82C693U driver v0.34 99-13-12 Andreas S. Krebs (akrebs@altavista.net)"
-
 /*
  *	The following are used to debug the driver.
  */
 #define CY82C693_DEBUG_LOGS	0
 #define CY82C693_DEBUG_INFO	0
 
-/* define CY82C693_SETDMA_CLOCK to set DMA Controller Clock Speed to ATCLK */
-#undef CY82C693_SETDMA_CLOCK
-
 /*
  *	NOTE: the value for busmaster timeout is tricky and I got it by
  *	trial and error!  By using a to low value will cause DMA timeouts
@@ -89,7 +83,6 @@
 #define CY82_INDEX_PORT		0x22
 #define CY82_DATA_PORT		0x23
 
-#define CY82_INDEX_CTRLREG1	0x01
 #define CY82_INDEX_CHANNEL0	0x30
 #define CY82_INDEX_CHANNEL1	0x31
 #define CY82_INDEX_TIMEOUT	0x32
@@ -329,58 +322,6 @@ static void cy82c693_set_pio_mode(ide_drive_t *drive, const u8 pio)
 #endif /* CY82C693_DEBUG_INFO */
 }
 
-/*
- * this function is called during init and is used to setup the cy82c693 chip
- */
-static unsigned int init_chipset_cy82c693(struct pci_dev *dev)
-{
-	if (PCI_FUNC(dev->devfn) != 1)
-		return 0;
-
-#ifdef CY82C693_SETDMA_CLOCK
-	u8 data = 0;
-#endif /* CY82C693_SETDMA_CLOCK */
-
-	/* write info about this verion of the driver */
-	printk(KERN_INFO CY82_VERSION "\n");
-
-#ifdef CY82C693_SETDMA_CLOCK
-       /* okay let's set the DMA clock speed */
-
-	outb(CY82_INDEX_CTRLREG1, CY82_INDEX_PORT);
-	data = inb(CY82_DATA_PORT);
-
-#if CY82C693_DEBUG_INFO
-	printk(KERN_INFO DRV_NAME ": Peripheral Configuration Register: 0x%X\n",
-		data);
-#endif /* CY82C693_DEBUG_INFO */
-
-	/*
-	 * for some reason sometimes the DMA controller
-	 * speed is set to ATCLK/2 ???? - we fix this here
-	 *
-	 * note: i don't know what causes this strange behaviour,
-	 *       but even changing the dma speed doesn't solve it :-(
-	 *       the ide performance is still only half the normal speed
-	 *
-	 *       if anybody knows what goes wrong with my machine, please
-	 *       let me know - ASK
-	 */
-
-	data |= 0x03;
-
-	outb(CY82_INDEX_CTRLREG1, CY82_INDEX_PORT);
-	outb(data, CY82_DATA_PORT);
-
-#if CY82C693_DEBUG_INFO
-	printk(KERN_INFO ": New Peripheral Configuration Register: 0x%X\n",
-		data);
-#endif /* CY82C693_DEBUG_INFO */
-
-#endif /* CY82C693_SETDMA_CLOCK */
-	return 0;
-}
-
 static void __devinit init_iops_cy82c693(ide_hwif_t *hwif)
 {
 	static ide_hwif_t *primary;
@@ -401,7 +342,6 @@ static const struct ide_port_ops cy82c693_port_ops = {
 
 static const struct ide_port_info cy82c693_chipset __devinitdata = {
 	.name		= DRV_NAME,
-	.init_chipset	= init_chipset_cy82c693,
 	.init_iops	= init_iops_cy82c693,
 	.port_ops	= &cy82c693_port_ops,
 	.chipset	= ide_cy82c693,