cy82c693: remove dead CY82C693_SETDMA_CLOCK code

Remove dead CY82C693_SETDMA_CLOCK code and now not needed
init_chipset_cy82c693().

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

diff --git a/drivers/ide/pci/cy82c693.c b/drivers/ide/pci/cy82c693.c
index 69820e9224d138978a32e8ddc879fe325117633e..1e3d60a8700826b83e9d2a803f35e097024d6e2b 100644 (file)
--- a/drivers/ide/pci/cy82c693.c
+++ b/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,