[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>
This commit is contained in:
Alan Cox
Linus Torvalds
Родитель
da574af755
Коммит
f201f5046d
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@ -22,7 +22,7 @@ struct chipset_bus_clock_list_entry {
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u8 ultra_settings;
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};
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static struct chipset_bus_clock_list_entry aec6xxx_33_base [] = {
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static const struct chipset_bus_clock_list_entry aec6xxx_33_base [] = {
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{ XFER_UDMA_6, 0x31, 0x07 },
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{ XFER_UDMA_5, 0x31, 0x06 },
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{ XFER_UDMA_4, 0x31, 0x05 },
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@ -42,7 +42,7 @@ static struct chipset_bus_clock_list_entry aec6xxx_33_base [] = {
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{ 0, 0x00, 0x00 }
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};
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static struct chipset_bus_clock_list_entry aec6xxx_34_base [] = {
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static const struct chipset_bus_clock_list_entry aec6xxx_34_base [] = {
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{ XFER_UDMA_6, 0x41, 0x06 },
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{ XFER_UDMA_5, 0x41, 0x05 },
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{ XFER_UDMA_4, 0x41, 0x04 },
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@ -425,12 +425,12 @@ static int __devinit aec62xx_init_one(struct pci_dev *dev, const struct pci_devi
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return d->init_setup(dev, d);
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}
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static struct pci_device_id aec62xx_pci_tbl[] = {
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{ PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP850UF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
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{ PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP860, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1 },
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{ PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP860R, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2 },
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{ PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP865, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3 },
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{ PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP865R, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 },
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static const struct pci_device_id aec62xx_pci_tbl[] = {
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{ PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP850UF), 0 },
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{ PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP860), 1 },
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{ PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP860R), 2 },
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{ PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP865), 3 },
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{ PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_ATP865R), 4 },
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{ 0, },
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};
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MODULE_DEVICE_TABLE(pci, aec62xx_pci_tbl);
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@ -189,14 +189,6 @@ static int cmd64x_get_info (char *buffer, char **addr, off_t offset, int count)
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#endif /* defined(DISPLAY_CMD64X_TIMINGS) && defined(CONFIG_PROC_FS) */
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/*
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* Registers and masks for easy access by drive index:
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*/
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#if 0
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static u8 prefetch_regs[4] = {CNTRL, CNTRL, ARTTIM23, ARTTIM23};
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static u8 prefetch_masks[4] = {CNTRL_DIS_RA0, CNTRL_DIS_RA1, ARTTIM23_DIS_RA2, ARTTIM23_DIS_RA3};
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#endif
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/*
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* This routine writes the prepared setup/active/recovery counts
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* for a drive into the cmd646 chipset registers to active them.
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@ -606,13 +598,6 @@ static unsigned int __devinit init_chipset_cmd64x(struct pci_dev *dev, const cha
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pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
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class_rev &= 0xff;
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#ifdef __i386__
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if (dev->resource[PCI_ROM_RESOURCE].start) {
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pci_write_config_dword(dev, PCI_ROM_ADDRESS, dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE);
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printk(KERN_INFO "%s: ROM enabled at 0x%08lx\n", name, dev->resource[PCI_ROM_RESOURCE].start);
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}
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#endif
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switch(dev->device) {
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case PCI_DEVICE_ID_CMD_643:
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break;
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@ -123,11 +123,11 @@ static u8 svwks_csb_check (struct pci_dev *dev)
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}
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static int svwks_tune_chipset (ide_drive_t *drive, u8 xferspeed)
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{
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u8 udma_modes[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 };
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u8 dma_modes[] = { 0x77, 0x21, 0x20 };
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u8 pio_modes[] = { 0x5d, 0x47, 0x34, 0x22, 0x20 };
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u8 drive_pci[] = { 0x41, 0x40, 0x43, 0x42 };
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u8 drive_pci2[] = { 0x45, 0x44, 0x47, 0x46 };
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static const u8 udma_modes[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 };
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static const u8 dma_modes[] = { 0x77, 0x21, 0x20 };
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static const u8 pio_modes[] = { 0x5d, 0x47, 0x34, 0x22, 0x20 };
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static const u8 drive_pci[] = { 0x41, 0x40, 0x43, 0x42 };
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static const u8 drive_pci2[] = { 0x45, 0x44, 0x47, 0x46 };
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ide_hwif_t *hwif = HWIF(drive);
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struct pci_dev *dev = hwif->pci_dev;
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@ -392,16 +392,6 @@ static unsigned int __devinit init_chipset_svwks (struct pci_dev *dev, const cha
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}
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outb_p(0x06, 0x0c00);
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dev->irq = inb_p(0x0c01);
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#if 0
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printk("%s: device class (0x%04x)\n",
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name, dev->class);
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if ((dev->class >> 8) != PCI_CLASS_STORAGE_IDE) {
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dev->class &= ~0x000F0F00;
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// dev->class |= ~0x00000400;
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dev->class |= ~0x00010100;
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/**/
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}
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#endif
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} else {
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struct pci_dev * findev = NULL;
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u8 reg41 = 0;
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@ -452,7 +442,7 @@ static unsigned int __devinit init_chipset_svwks (struct pci_dev *dev, const cha
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pci_write_config_byte(dev, 0x5A, btr);
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}
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return (dev->irq) ? dev->irq : 0;
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return dev->irq;
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}
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static unsigned int __devinit ata66_svwks_svwks (ide_hwif_t *hwif)
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@ -500,11 +490,6 @@ static unsigned int __devinit ata66_svwks (ide_hwif_t *hwif)
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{
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struct pci_dev *dev = hwif->pci_dev;
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/* Per Specified Design by OEM, and ASIC Architect */
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if ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) ||
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(dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2))
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return 1;
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/* Server Works */
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if (dev->subsystem_vendor == PCI_VENDOR_ID_SERVERWORKS)
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return ata66_svwks_svwks (hwif);
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@ -517,10 +502,14 @@ static unsigned int __devinit ata66_svwks (ide_hwif_t *hwif)
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if (dev->subsystem_vendor == PCI_VENDOR_ID_SUN)
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return ata66_svwks_cobalt (hwif);
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/* Per Specified Design by OEM, and ASIC Architect */
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if ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) ||
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(dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2))
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return 1;
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return 0;
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}
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#undef CAN_SW_DMA
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static void __devinit init_hwif_svwks (ide_hwif_t *hwif)
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{
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u8 dma_stat = 0;
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@ -537,9 +526,6 @@ static void __devinit init_hwif_svwks (ide_hwif_t *hwif)
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hwif->ultra_mask = 0x3f;
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hwif->mwdma_mask = 0x07;
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#ifdef CAN_SW_DMA
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hwif->swdma_mask = 0x07;
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#endif /* CAN_SW_DMA */
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hwif->autodma = 0;
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@ -562,8 +548,6 @@ static void __devinit init_hwif_svwks (ide_hwif_t *hwif)
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hwif->drives[1].autodma = (dma_stat & 0x40);
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hwif->drives[0].autotune = (!(dma_stat & 0x20));
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hwif->drives[1].autotune = (!(dma_stat & 0x40));
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// hwif->drives[0].autodma = hwif->autodma;
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// hwif->drives[1].autodma = hwif->autodma;
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}
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/*
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@ -593,11 +577,6 @@ static int __devinit init_setup_csb6 (struct pci_dev *dev, ide_pci_device_t *d)
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if (dev->resource[0].start == 0x01f1)
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d->bootable = ON_BOARD;
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}
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#if 0
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if ((IDE_PCI_DEVID_EQ(d->devid, DEVID_CSB6) &&
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(!(PCI_FUNC(dev->devfn) & 1)))
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d->autodma = AUTODMA;
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#endif
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d->channels = ((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE ||
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dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2) &&
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@ -671,11 +650,11 @@ static int __devinit svwks_init_one(struct pci_dev *dev, const struct pci_device
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}
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static struct pci_device_id svwks_pci_tbl[] = {
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{ PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_OSB4IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
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{ PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
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{ PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2},
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{ PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3},
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{ PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT1000IDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4},
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{ PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_OSB4IDE), 0},
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{ PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE), 1},
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{ PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE), 2},
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{ PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2), 3},
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{ PCI_DEVICE(PCI_VENDOR_ID_SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_HT1000IDE), 4},
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{ 0, },
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};
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MODULE_DEVICE_TABLE(pci, svwks_pci_tbl);
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@ -447,7 +447,6 @@ static void __devinit init_hwif_sl82c105(ide_hwif_t *hwif)
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printk(" %s: Winbond 553 bridge revision %d, BM-DMA disabled\n",
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hwif->name, rev);
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} else {
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#ifdef CONFIG_BLK_DEV_IDEDMA
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dma_state |= 0x60;
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hwif->atapi_dma = 1;
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@ -468,7 +467,6 @@ static void __devinit init_hwif_sl82c105(ide_hwif_t *hwif)
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if (hwif->mate)
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hwif->serialized = hwif->mate->serialized = 1;
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#endif /* CONFIG_BLK_DEV_IDEDMA */
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}
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hwif->OUTB(dma_state, hwif->dma_base + 2);
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}
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@ -489,7 +487,7 @@ static int __devinit sl82c105_init_one(struct pci_dev *dev, const struct pci_dev
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}
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static struct pci_device_id sl82c105_pci_tbl[] = {
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{ PCI_VENDOR_ID_WINBOND, PCI_DEVICE_ID_WINBOND_82C105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
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{ PCI_DEVICE(PCI_VENDOR_ID_WINBOND, PCI_DEVICE_ID_WINBOND_82C105), 0},
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{ 0, },
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};
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MODULE_DEVICE_TABLE(pci, sl82c105_pci_tbl);
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@ -72,7 +72,8 @@ static void slc90e66_tune_drive (ide_drive_t *drive, u8 pio)
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u16 master_data;
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u8 slave_data;
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/* ISP RTC */
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u8 timings[][2] = { { 0, 0 },
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static const u8 timings[][2]= {
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{ 0, 0 },
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{ 0, 0 },
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{ 1, 0 },
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{ 2, 1 },
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@ -119,7 +120,6 @@ static int slc90e66_tune_chipset (ide_drive_t *drive, u8 xferspeed)
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pci_read_config_word(dev, 0x4a, ®4a);
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switch(speed) {
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#ifdef CONFIG_BLK_DEV_IDEDMA
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case XFER_UDMA_4: u_speed = 4 << (drive->dn * 4); break;
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case XFER_UDMA_3: u_speed = 3 << (drive->dn * 4); break;
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case XFER_UDMA_2: u_speed = 2 << (drive->dn * 4); break;
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@ -128,7 +128,6 @@ static int slc90e66_tune_chipset (ide_drive_t *drive, u8 xferspeed)
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case XFER_MW_DMA_2:
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case XFER_MW_DMA_1:
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case XFER_SW_DMA_2: break;
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#endif /* CONFIG_BLK_DEV_IDEDMA */
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case XFER_PIO_4:
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case XFER_PIO_3:
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case XFER_PIO_2:
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@ -156,7 +155,6 @@ static int slc90e66_tune_chipset (ide_drive_t *drive, u8 xferspeed)
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return (ide_config_drive_speed(drive, speed));
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}
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#ifdef CONFIG_BLK_DEV_IDEDMA
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static int slc90e66_config_drive_for_dma (ide_drive_t *drive)
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{
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u8 speed = ide_dma_speed(drive, slc90e66_ratemask(drive));
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@ -194,7 +192,6 @@ fast_ata_pio:
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/* IORDY not supported */
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return 0;
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}
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#endif /* CONFIG_BLK_DEV_IDEDMA */
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static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif)
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{
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@ -222,7 +219,6 @@ static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif)
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hwif->mwdma_mask = 0x07;
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hwif->swdma_mask = 0x07;
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#ifdef CONFIG_BLK_DEV_IDEDMA
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if (!(hwif->udma_four))
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/* bit[0(1)]: 0:80, 1:40 */
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hwif->udma_four = (reg47 & mask) ? 0 : 1;
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@ -232,7 +228,6 @@ static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif)
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hwif->autodma = 1;
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hwif->drives[0].autodma = hwif->autodma;
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hwif->drives[1].autodma = hwif->autodma;
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#endif /* !CONFIG_BLK_DEV_IDEDMA */
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}
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static ide_pci_device_t slc90e66_chipset __devinitdata = {
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@ -250,7 +245,7 @@ static int __devinit slc90e66_init_one(struct pci_dev *dev, const struct pci_dev
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}
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static struct pci_device_id slc90e66_pci_tbl[] = {
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{ PCI_VENDOR_ID_EFAR, PCI_DEVICE_ID_EFAR_SLC90E66_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
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{ PCI_DEVICE(PCI_VENDOR_ID_EFAR, PCI_DEVICE_ID_EFAR_SLC90E66_1), 0},
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{ 0, },
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};
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MODULE_DEVICE_TABLE(pci, slc90e66_pci_tbl);
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