[PATCH] ide: housekeeping on IDE drivers

Move auto arrays to static (const).  Clean up using PCI_DEVICE in places,
remove unreachable junk and dead code.

Fix the serverworks cable detect logic (if ordering is wrong).  Backport
from libata.  Plenty of scope for more cleanup left.

Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/ide/pci/aec62xx.c b/drivers/ide/pci/aec62xx.c
index c743e68..ff0cdc1 100644 (file)
--- a/drivers/ide/pci/aec62xx.c
+++ b/drivers/ide/pci/aec62xx.c
@@ -22,7 +22,7 @@ struct chipset_bus_clock_list_entry {
        u8 ultra_settings;
 };
 
-static struct chipset_bus_clock_list_entry aec6xxx_33_base [] = {
+static const struct chipset_bus_clock_list_entry aec6xxx_33_base [] = {
        {       XFER_UDMA_6,    0x31,   0x07    },
        {       XFER_UDMA_5,    0x31,   0x06    },
        {       XFER_UDMA_4,    0x31,   0x05    },
@@ -42,7 +42,7 @@ static struct chipset_bus_clock_list_entry aec6xxx_33_base [] = {
        {       0,              0x00,   0x00    }
 };
 
-static struct chipset_bus_clock_list_entry aec6xxx_34_base [] = {
+static const struct chipset_bus_clock_list_entry aec6xxx_34_base [] = {
        {       XFER_UDMA_6,    0x41,   0x06    },
        {       XFER_UDMA_5,    0x41,   0x05    },
        {       XFER_UDMA_4,    0x41,   0x04    },
@@ -425,12 +425,12 @@ static int __devinit aec62xx_init_one(struct pci_dev *dev, const struct pci_devi
        return d->init_setup(dev, d);
 }
 
-static struct pci_device_id aec62xx_pci_tbl[] = {
-       { PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP850UF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
-       { PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP860,   PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1 },
-       { PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP860R,  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2 },
-       { PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP865,   PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3 },
-       { PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP865R,  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 },
+static const struct pci_device_id aec62xx_pci_tbl[] = {
+       { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP850UF), 0 },
+       { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP860), 1 },
+       { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP860R), 2 },
+       { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP865), 3 },
+       { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP865R), 4 },
        { 0, },
 };
 MODULE_DEVICE_TABLE(pci, aec62xx_pci_tbl);

diff --git a/drivers/ide/pci/cmd64x.c b/drivers/ide/pci/cmd64x.c
index 3d9c7af..92b7b15 100644 (file)
--- a/drivers/ide/pci/cmd64x.c
+++ b/drivers/ide/pci/cmd64x.c
@@ -189,14 +189,6 @@ static int cmd64x_get_info (char *buffer, char **addr, off_t offset, int count)
 
 #endif /* defined(DISPLAY_CMD64X_TIMINGS) && defined(CONFIG_PROC_FS) */
 
-/*
- * Registers and masks for easy access by drive index:
- */
-#if 0
-static u8 prefetch_regs[4]  = {CNTRL, CNTRL, ARTTIM23, ARTTIM23};
-static u8 prefetch_masks[4] = {CNTRL_DIS_RA0, CNTRL_DIS_RA1, ARTTIM23_DIS_RA2, ARTTIM23_DIS_RA3};
-#endif
-
 /*
  * This routine writes the prepared setup/active/recovery counts
  * for a drive into the cmd646 chipset registers to active them.
@@ -606,13 +598,6 @@ static unsigned int __devinit init_chipset_cmd64x(struct pci_dev *dev, const cha
        pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
        class_rev &= 0xff;
 
-#ifdef __i386__
-       if (dev->resource[PCI_ROM_RESOURCE].start) {
-               pci_write_config_dword(dev, PCI_ROM_ADDRESS, dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE);
-               printk(KERN_INFO "%s: ROM enabled at 0x%08lx\n", name, dev->resource[PCI_ROM_RESOURCE].start);
-       }
-#endif
-
        switch(dev->device) {
                case PCI_DEVICE_ID_CMD_643:
                        break;

diff --git a/drivers/ide/pci/serverworks.c b/drivers/ide/pci/serverworks.c
index 0d3073f..5100b82 100644 (file)
--- a/drivers/ide/pci/serverworks.c
+++ b/drivers/ide/pci/serverworks.c
@@ -123,11 +123,11 @@ static u8 svwks_csb_check (struct pci_dev *dev)
 }
 static int svwks_tune_chipset (ide_drive_t *drive, u8 xferspeed)
 {
-       u8 udma_modes[]         = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 };
-       u8 dma_modes[]          = { 0x77, 0x21, 0x20 };
-       u8 pio_modes[]          = { 0x5d, 0x47, 0x34, 0x22, 0x20 };
-       u8 drive_pci[]          = { 0x41, 0x40, 0x43, 0x42 };
-       u8 drive_pci2[]         = { 0x45, 0x44, 0x47, 0x46 };
+       static const u8 udma_modes[]            = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 };
+       static const u8 dma_modes[]             = { 0x77, 0x21, 0x20 };
+       static const u8 pio_modes[]             = { 0x5d, 0x47, 0x34, 0x22, 0x20 };
+       static const u8 drive_pci[]             = { 0x41, 0x40, 0x43, 0x42 };
+       static const u8 drive_pci2[]            = { 0x45, 0x44, 0x47, 0x46 };
 
        ide_hwif_t *hwif        = HWIF(drive);
        struct pci_dev *dev     = hwif->pci_dev;
@@ -392,16 +392,6 @@ static unsigned int __devinit init_chipset_svwks (struct pci_dev *dev, const cha
                        }
                        outb_p(0x06, 0x0c00);
                        dev->irq = inb_p(0x0c01);
-#if 0
-                       printk("%s: device class (0x%04x)\n",
-                               name, dev->class);
-                       if ((dev->class >> 8) != PCI_CLASS_STORAGE_IDE) {
-                               dev->class &= ~0x000F0F00;
-               //              dev->class |= ~0x00000400;
-                               dev->class |= ~0x00010100;
-                               /**/
-                       }
-#endif
                } else {
                        struct pci_dev * findev = NULL;
                        u8 reg41 = 0;
@@ -452,7 +442,7 @@ static unsigned int __devinit init_chipset_svwks (struct pci_dev *dev, const cha
                pci_write_config_byte(dev, 0x5A, btr);
        }
 
-       return (dev->irq) ? dev->irq : 0;
+       return dev->irq;
 }
 
 static unsigned int __devinit ata66_svwks_svwks (ide_hwif_t *hwif)
@@ -500,11 +490,6 @@ static unsigned int __devinit ata66_svwks (ide_hwif_t *hwif)
 {
        struct pci_dev *dev = hwif->pci_dev;
 
-       /* Per Specified Design by OEM, and ASIC Architect */
-       if ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) ||
-           (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2))
-               return 1;
-
        /* Server Works */
        if (dev->subsystem_vendor == PCI_VENDOR_ID_SERVERWORKS)
                return ata66_svwks_svwks (hwif);
@@ -517,10 +502,14 @@ static unsigned int __devinit ata66_svwks (ide_hwif_t *hwif)
        if (dev->subsystem_vendor == PCI_VENDOR_ID_SUN)
                return ata66_svwks_cobalt (hwif);
 
+       /* Per Specified Design by OEM, and ASIC Architect */
+       if ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) ||
+           (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2))
+               return 1;
+
        return 0;
 }
 
-#undef CAN_SW_DMA
 static void __devinit init_hwif_svwks (ide_hwif_t *hwif)
 {
        u8 dma_stat = 0;
@@ -537,9 +526,6 @@ static void __devinit init_hwif_svwks (ide_hwif_t *hwif)
                hwif->ultra_mask = 0x3f;
 
        hwif->mwdma_mask = 0x07;
-#ifdef CAN_SW_DMA
-       hwif->swdma_mask = 0x07;
-#endif /* CAN_SW_DMA */
 
        hwif->autodma = 0;
 
@@ -562,8 +548,6 @@ static void __devinit init_hwif_svwks (ide_hwif_t *hwif)
        hwif->drives[1].autodma = (dma_stat & 0x40);
        hwif->drives[0].autotune = (!(dma_stat & 0x20));
        hwif->drives[1].autotune = (!(dma_stat & 0x40));
-//     hwif->drives[0].autodma = hwif->autodma;
-//     hwif->drives[1].autodma = hwif->autodma;
 }
 
 /*
@@ -593,11 +577,6 @@ static int __devinit init_setup_csb6 (struct pci_dev *dev, ide_pci_device_t *d)
                if (dev->resource[0].start == 0x01f1)
                        d->bootable = ON_BOARD;
        }
-#if 0
-       if ((IDE_PCI_DEVID_EQ(d->devid, DEVID_CSB6) &&
-             (!(PCI_FUNC(dev->devfn) & 1)))
-               d->autodma = AUTODMA;
-#endif
 
        d->channels = ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE ||
                        dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2) &&
@@ -671,11 +650,11 @@ static int __devinit svwks_init_one(struct pci_dev *dev, const struct pci_device
 }
 
 static struct pci_device_id svwks_pci_tbl[] = {
-       { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_OSB4IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
-       { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
-       { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
-       { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3},
-       { PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT1000IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4},
+       { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_OSB4IDE), 0},
+       { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE), 1},
+       { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE), 2},
+       { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2), 3},
+       { PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT1000IDE), 4},
        { 0, },
 };
 MODULE_DEVICE_TABLE(pci, svwks_pci_tbl);

diff --git a/drivers/ide/pci/sl82c105.c b/drivers/ide/pci/sl82c105.c
index 8a5c7b2..900301e 100644 (file)
--- a/drivers/ide/pci/sl82c105.c
+++ b/drivers/ide/pci/sl82c105.c
@@ -447,7 +447,6 @@ static void __devinit init_hwif_sl82c105(ide_hwif_t *hwif)
                printk("    %s: Winbond 553 bridge revision %d, BM-DMA disabled\n",
                       hwif->name, rev);
        } else {
-#ifdef CONFIG_BLK_DEV_IDEDMA
                dma_state |= 0x60;
 
                hwif->atapi_dma = 1;
@@ -468,7 +467,6 @@ static void __devinit init_hwif_sl82c105(ide_hwif_t *hwif)
 
                if (hwif->mate)
                        hwif->serialized = hwif->mate->serialized = 1;
-#endif /* CONFIG_BLK_DEV_IDEDMA */
        }
        hwif->OUTB(dma_state, hwif->dma_base + 2);
 }
@@ -489,7 +487,7 @@ static int __devinit sl82c105_init_one(struct pci_dev *dev, const struct pci_dev
 }
 
 static struct pci_device_id sl82c105_pci_tbl[] = {
-       { PCI_VENDOR_ID_WINBOND, PCI_DEVICE_ID_WINBOND_82C105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       { PCI_DEVICE(PCI_VENDOR_ID_WINBOND, PCI_DEVICE_ID_WINBOND_82C105), 0},
        { 0, },
 };
 MODULE_DEVICE_TABLE(pci, sl82c105_pci_tbl);

diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c
index 5112c72..0968f6b 100644 (file)
--- a/drivers/ide/pci/slc90e66.c
+++ b/drivers/ide/pci/slc90e66.c
@@ -72,7 +72,8 @@ static void slc90e66_tune_drive (ide_drive_t *drive, u8 pio)
        u16 master_data;
        u8 slave_data;
                                 /* ISP  RTC */
-       u8 timings[][2] = { { 0, 0 },
+       static const u8 timings[][2]= {
+                                   { 0, 0 },
                                    { 0, 0 },
                                    { 1, 0 },
                                    { 2, 1 },
@@ -119,7 +120,6 @@ static int slc90e66_tune_chipset (ide_drive_t *drive, u8 xferspeed)
        pci_read_config_word(dev, 0x4a, &reg4a);
 
        switch(speed) {
-#ifdef CONFIG_BLK_DEV_IDEDMA
                case XFER_UDMA_4:       u_speed = 4 << (drive->dn * 4); break;
                case XFER_UDMA_3:       u_speed = 3 << (drive->dn * 4); break;
                case XFER_UDMA_2:       u_speed = 2 << (drive->dn * 4); break;
@@ -128,7 +128,6 @@ static int slc90e66_tune_chipset (ide_drive_t *drive, u8 xferspeed)
                case XFER_MW_DMA_2:
                case XFER_MW_DMA_1:
                case XFER_SW_DMA_2:     break;
-#endif /* CONFIG_BLK_DEV_IDEDMA */
                case XFER_PIO_4:
                case XFER_PIO_3:
                case XFER_PIO_2:
@@ -156,7 +155,6 @@ static int slc90e66_tune_chipset (ide_drive_t *drive, u8 xferspeed)
        return (ide_config_drive_speed(drive, speed));
 }
 
-#ifdef CONFIG_BLK_DEV_IDEDMA
 static int slc90e66_config_drive_for_dma (ide_drive_t *drive)
 {
        u8 speed = ide_dma_speed(drive, slc90e66_ratemask(drive));
@@ -194,7 +192,6 @@ fast_ata_pio:
        /* IORDY not supported */
        return 0;
 }
-#endif /* CONFIG_BLK_DEV_IDEDMA */
 
 static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif)
 {
@@ -222,7 +219,6 @@ static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif)
        hwif->mwdma_mask = 0x07;
        hwif->swdma_mask = 0x07;
 
-#ifdef CONFIG_BLK_DEV_IDEDMA 
        if (!(hwif->udma_four))
                /* bit[0(1)]: 0:80, 1:40 */
                hwif->udma_four = (reg47 & mask) ? 0 : 1;
@@ -232,7 +228,6 @@ static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif)
                hwif->autodma = 1;
        hwif->drives[0].autodma = hwif->autodma;
        hwif->drives[1].autodma = hwif->autodma;
-#endif /* !CONFIG_BLK_DEV_IDEDMA */
 }
 
 static ide_pci_device_t slc90e66_chipset __devinitdata = {
@@ -250,7 +245,7 @@ static int __devinit slc90e66_init_one(struct pci_dev *dev, const struct pci_dev
 }
 
 static struct pci_device_id slc90e66_pci_tbl[] = {
-       { PCI_VENDOR_ID_EFAR, PCI_DEVICE_ID_EFAR_SLC90E66_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       { PCI_DEVICE(PCI_VENDOR_ID_EFAR, PCI_DEVICE_ID_EFAR_SLC90E66_1), 0},
        { 0, },
 };
 MODULE_DEVICE_TABLE(pci, slc90e66_pci_tbl);