diff options
Diffstat (limited to 'drivers/ata/pata_it821x.c')
| -rw-r--r-- | drivers/ata/pata_it821x.c | 70 |
1 files changed, 35 insertions, 35 deletions
diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c index c8a7798f8ce..af39097d808 100644 --- a/drivers/ata/pata_it821x.c +++ b/drivers/ata/pata_it821x.c @@ -6,7 +6,7 @@ * based upon * * it821x.c - * + * * linux/drivers/ide/pci/it821x.c Version 0.09 December 2004 * * Copyright (C) 2004 Red Hat <alan@redhat.com> @@ -118,7 +118,7 @@ static int it8212_noraid; * * Set the cable type */ - + static int it821x_pre_reset(struct ata_port *ap) { ap->cbl = ATA_CBL_PATA80; @@ -131,7 +131,7 @@ static int it821x_pre_reset(struct ata_port *ap) * * Set the cable type and trigger a probe */ - + static void it821x_error_handler(struct ata_port *ap) { return ata_bmdma_drive_eh(ap, it821x_pre_reset, ata_std_softreset, NULL, ata_std_postreset); @@ -286,7 +286,7 @@ static void it821x_passthru_set_piomode(struct ata_port *ap, struct ata_device * struct it821x_dev *itdev = ap->private_data; int unit = adev->devno; int mode_wanted = adev->pio_mode - XFER_PIO_0; - + /* We prefer 66Mhz clock for PIO 0-3, don't care for PIO4 */ itdev->want[unit][1] = pio_want[mode_wanted]; itdev->want[unit][0] = 1; /* PIO is lowest priority */ @@ -301,7 +301,7 @@ static void it821x_passthru_set_piomode(struct ata_port *ap, struct ata_device * * @adev: ATA device * * Set up the DMA modes. The actions taken depend heavily on the mode - * to use. If UDMA is used as is hopefully the usual case then the + * to use. If UDMA is used as is hopefully the usual case then the * timing register is private and we need only consider the clock. If * we are using MWDMA then we have to manage the setting ourself as * we switch devices and mode. @@ -322,7 +322,7 @@ static void it821x_passthru_set_dmamode(struct ata_port *ap, struct ata_device * if (adev->dma_mode >= XFER_UDMA_0) { int mode_wanted = adev->dma_mode - XFER_UDMA_0; - + itdev->want[unit][1] = udma_want[mode_wanted]; itdev->want[unit][0] = 3; /* UDMA is high priority */ itdev->mwdma[unit] = MWDMA_OFF; @@ -341,7 +341,7 @@ static void it821x_passthru_set_dmamode(struct ata_port *ap, struct ata_device * it821x_program_udma(ap, adev, itdev->udma[unit]); } else { int mode_wanted = adev->dma_mode - XFER_MW_DMA_0; - + itdev->want[unit][1] = mwdma_want[mode_wanted]; itdev->want[unit][0] = 2; /* MWDMA is low priority */ itdev->mwdma[unit] = dma[mode_wanted]; @@ -363,7 +363,7 @@ static void it821x_passthru_set_dmamode(struct ata_port *ap, struct ata_device * * @qc: Command in progress * * Usually drivers set the DMA timing at the point the set_dmamode call - * is made. IT821x however requires we load new timings on the + * is made. IT821x however requires we load new timings on the * transitions in some cases. */ @@ -410,7 +410,7 @@ static void it821x_passthru_bmdma_stop(struct ata_queued_cmd *qc) * * Device selection hook. If neccessary perform clock switching */ - + static void it821x_passthru_dev_select(struct ata_port *ap, unsigned int device) { @@ -431,7 +431,7 @@ static void it821x_passthru_dev_select(struct ata_port *ap, * perform out own device selection timing loads before the * usual happenings kick off */ - + static unsigned int it821x_smart_qc_issue_prot(struct ata_queued_cmd *qc) { switch(qc->tf.command) @@ -466,7 +466,7 @@ static unsigned int it821x_smart_qc_issue_prot(struct ata_queued_cmd *qc) * perform out own device selection timing loads before the * usual happenings kick off */ - + static unsigned int it821x_passthru_qc_issue_prot(struct ata_queued_cmd *qc) { it821x_passthru_dev_select(qc->ap, qc->dev->devno); @@ -480,9 +480,9 @@ static unsigned int it821x_passthru_qc_issue_prot(struct ata_queued_cmd *qc) * Use a non standard set_mode function. We don't want to be tuned. * The BIOS configured everything. Our job is not to fiddle. We * read the dma enabled bits from the PCI configuration of the device - * and respect them. + * and respect them. */ - + static void it821x_smart_set_mode(struct ata_port *ap) { int dma_enabled = 0; @@ -492,14 +492,14 @@ static void it821x_smart_set_mode(struct ata_port *ap) /* It is possible that BMDMA isn't allocated */ if (ap->ioaddr.bmdma_addr) dma_enabled = inb(ap->ioaddr.bmdma_addr + ATA_DMA_CMD); - + for (i = 0; i < ATA_MAX_DEVICES; i++) { struct ata_device *dev = &ap->device[i]; if (ata_dev_enabled(dev)) { /* We don't really care */ dev->pio_mode = XFER_PIO_0; dev->dma_mode = XFER_MW_DMA_0; - /* We do need the right mode information for DMA or PIO + /* We do need the right mode information for DMA or PIO and this comes from the current configuration flags */ if (dma_enabled & (1 << (5 + i))) { dev->xfer_mode = XFER_MW_DMA_0; @@ -526,7 +526,7 @@ static void it821x_smart_set_mode(struct ata_port *ap) * FIXME: When FUA appears we need to block FUA too. And SMART and * basically we need to filter commands for this chip. */ - + static void it821x_dev_config(struct ata_port *ap, struct ata_device *adev) { unsigned char model_num[40]; @@ -535,7 +535,7 @@ static void it821x_dev_config(struct ata_port *ap, struct ata_device *adev) /* This block ought to be a library routine as it is in several drivers now */ - + ata_id_string(adev->id, model_num, ATA_ID_PROD_OFS, sizeof(model_num)); s = &model_num[0]; @@ -549,7 +549,7 @@ static void it821x_dev_config(struct ata_port *ap, struct ata_device *adev) if (adev->max_sectors > 255) adev->max_sectors = 255; - + if (strstr(model_num, "Integrated Technology Express")) { /* RAID mode */ printk(KERN_INFO "IT821x %sRAID%d volume", @@ -569,12 +569,12 @@ static void it821x_dev_config(struct ata_port *ap, struct ata_device *adev) * Decide if this ATAPI command can be issued by DMA on this * controller. Return 0 if it can be. */ - + static int it821x_check_atapi_dma(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct it821x_dev *itdev = ap->private_data; - + /* No ATAPI DMA in smart mode */ if (itdev->smart) return -EOPNOTSUPP; @@ -584,7 +584,7 @@ static int it821x_check_atapi_dma(struct ata_queued_cmd *qc) /* Cool */ return 0; } - + /** * it821x_port_start - port setup @@ -592,10 +592,10 @@ static int it821x_check_atapi_dma(struct ata_queued_cmd *qc) * * The it821x needs to maintain private data structures and also to * use the standard PCI interface which lacks support for this - * functionality. We instead set up the private data on the port + * functionality. We instead set up the private data on the port * start hook, and tear it down on port stop */ - + static int it821x_port_start(struct ata_port *ap) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); @@ -605,13 +605,13 @@ static int it821x_port_start(struct ata_port *ap) int ret = ata_port_start(ap); if (ret < 0) return ret; - + ap->private_data = kmalloc(sizeof(struct it821x_dev), GFP_KERNEL); if (ap->private_data == NULL) { ata_port_stop(ap); return -ENOMEM; } - + itdev = ap->private_data; memset(itdev, 0, sizeof(struct it821x_dev)); @@ -650,7 +650,7 @@ static int it821x_port_start(struct ata_port *ap) * * Release the private objects we added in it821x_port_start */ - + static void it821x_port_stop(struct ata_port *ap) { kfree(ap->private_data); ap->private_data = NULL; /* We want an OOPS if we reuse this @@ -684,7 +684,7 @@ static struct ata_port_operations it821x_smart_port_ops = { .tf_load = ata_tf_load, .tf_read = ata_tf_read, .mode_filter = ata_pci_default_filter, - + .check_status = ata_check_status, .check_atapi_dma= it821x_check_atapi_dma, .exec_command = ata_exec_command, @@ -712,14 +712,14 @@ static struct ata_port_operations it821x_smart_port_ops = { .port_start = it821x_port_start, .port_stop = it821x_port_stop, .host_stop = ata_host_stop -}; +}; static struct ata_port_operations it821x_passthru_port_ops = { .port_disable = ata_port_disable, .set_piomode = it821x_passthru_set_piomode, .set_dmamode = it821x_passthru_set_dmamode, .mode_filter = ata_pci_default_filter, - + .tf_load = ata_tf_load, .tf_read = ata_tf_read, .check_status = ata_check_status, @@ -748,7 +748,7 @@ static struct ata_port_operations it821x_passthru_port_ops = { .port_start = it821x_port_start, .port_stop = it821x_port_stop, .host_stop = ata_host_stop -}; +}; static void __devinit it821x_disable_raid(struct pci_dev *pdev) { @@ -767,11 +767,11 @@ static void __devinit it821x_disable_raid(struct pci_dev *pdev) pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x20); } - + static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id) { u8 conf; - + static struct ata_port_info info_smart = { .sht = &it821x_sht, .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST, @@ -788,7 +788,7 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id) .port_ops = &it821x_passthru_port_ops }; static struct ata_port_info *port_info[2]; - + static char *mode[2] = { "pass through", "smart" }; /* Force the card into bypass mode if so requested */ @@ -798,13 +798,13 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id) } pci_read_config_byte(pdev, 0x50, &conf); conf &= 1; - + printk(KERN_INFO DRV_NAME ": controller in %s mode.\n", mode[conf]); if (conf == 0) port_info[0] = port_info[1] = &info_passthru; else port_info[0] = port_info[1] = &info_smart; - + return ata_pci_init_one(pdev, port_info, 2); } |