Commit 2dcb407e authored by Jeff Garzik's avatar Jeff Garzik

[libata] checkpatch-inspired cleanups

Tackle the relatively sane complaints of checkpatch --file.

The vast majority is indentation and whitespace changes, the rest are

* #include fixes
* printk KERN_xxx prefix addition
* BSS/initializer cleanups
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent 01e7ae8c
......@@ -227,7 +227,7 @@ struct ahci_port_priv {
static int ahci_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val);
static int ahci_scr_write(struct ata_port *ap, unsigned int sc_reg, u32 val);
static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent);
static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc);
static void ahci_irq_clear(struct ata_port *ap);
static int ahci_port_start(struct ata_port *ap);
......@@ -729,7 +729,7 @@ static int ahci_stop_engine(struct ata_port *ap)
/* wait for engine to stop. This could be as long as 500 msec */
tmp = ata_wait_register(port_mmio + PORT_CMD,
PORT_CMD_LIST_ON, PORT_CMD_LIST_ON, 1, 500);
PORT_CMD_LIST_ON, PORT_CMD_LIST_ON, 1, 500);
if (tmp & PORT_CMD_LIST_ON)
return -EIO;
......@@ -1564,9 +1564,9 @@ static irqreturn_t ahci_interrupt(int irq, void *dev_instance)
if (!irq_stat)
return IRQ_NONE;
spin_lock(&host->lock);
spin_lock(&host->lock);
for (i = 0; i < host->n_ports; i++) {
for (i = 0; i < host->n_ports; i++) {
struct ata_port *ap;
if (!(irq_stat & (1 << i)))
......@@ -1829,9 +1829,9 @@ static int ahci_port_start(struct ata_port *ap)
pp->cmd_tbl_dma = mem_dma;
/*
* Save off initial list of interrupts to be enabled.
* This could be changed later
*/
* Save off initial list of interrupts to be enabled.
* This could be changed later
*/
pp->intr_mask = DEF_PORT_IRQ;
ap->private_data = pp;
......@@ -1918,12 +1918,12 @@ static void ahci_print_info(struct ata_host *host)
dev_printk(KERN_INFO, &pdev->dev,
"AHCI %02x%02x.%02x%02x "
"%u slots %u ports %s Gbps 0x%x impl %s mode\n"
,
,
(vers >> 24) & 0xff,
(vers >> 16) & 0xff,
(vers >> 8) & 0xff,
vers & 0xff,
(vers >> 24) & 0xff,
(vers >> 16) & 0xff,
(vers >> 8) & 0xff,
vers & 0xff,
((cap >> 8) & 0x1f) + 1,
(cap & 0x1f) + 1,
......@@ -1935,7 +1935,7 @@ static void ahci_print_info(struct ata_host *host)
"flags: "
"%s%s%s%s%s%s%s"
"%s%s%s%s%s%s%s\n"
,
,
cap & (1 << 31) ? "64bit " : "",
cap & (1 << 30) ? "ncq " : "",
......
......@@ -157,12 +157,12 @@ struct piix_host_priv {
const int *map;
};
static int piix_init_one (struct pci_dev *pdev,
const struct pci_device_id *ent);
static int piix_init_one(struct pci_dev *pdev,
const struct pci_device_id *ent);
static void piix_pata_error_handler(struct ata_port *ap);
static void piix_set_piomode (struct ata_port *ap, struct ata_device *adev);
static void piix_set_dmamode (struct ata_port *ap, struct ata_device *adev);
static void ich_set_dmamode (struct ata_port *ap, struct ata_device *adev);
static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev);
static void piix_set_dmamode(struct ata_port *ap, struct ata_device *adev);
static void ich_set_dmamode(struct ata_port *ap, struct ata_device *adev);
static int ich_pata_cable_detect(struct ata_port *ap);
#ifdef CONFIG_PM
static int piix_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg);
......@@ -650,9 +650,9 @@ static int ich_pata_cable_detect(struct ata_port *ap)
while (lap->device) {
if (lap->device == pdev->device &&
lap->subvendor == pdev->subsystem_vendor &&
lap->subdevice == pdev->subsystem_device) {
lap->subdevice == pdev->subsystem_device)
return ATA_CBL_PATA40_SHORT;
}
lap++;
}
......@@ -699,7 +699,7 @@ static void piix_pata_error_handler(struct ata_port *ap)
* None (inherited from caller).
*/
static void piix_set_piomode (struct ata_port *ap, struct ata_device *adev)
static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev)
{
unsigned int pio = adev->pio_mode - XFER_PIO_0;
struct pci_dev *dev = to_pci_dev(ap->host->dev);
......@@ -786,7 +786,7 @@ static void piix_set_piomode (struct ata_port *ap, struct ata_device *adev)
* None (inherited from caller).
*/
static void do_pata_set_dmamode (struct ata_port *ap, struct ata_device *adev, int isich)
static void do_pata_set_dmamode(struct ata_port *ap, struct ata_device *adev, int isich)
{
struct pci_dev *dev = to_pci_dev(ap->host->dev);
u8 master_port = ap->port_no ? 0x42 : 0x40;
......@@ -813,7 +813,7 @@ static void do_pata_set_dmamode (struct ata_port *ap, struct ata_device *adev, i
int u_clock, u_speed;
/*
* UDMA is handled by a combination of clock switching and
* UDMA is handled by a combination of clock switching and
* selection of dividers
*
* Handy rule: Odd modes are UDMATIMx 01, even are 02
......@@ -905,7 +905,7 @@ static void do_pata_set_dmamode (struct ata_port *ap, struct ata_device *adev, i
* None (inherited from caller).
*/
static void piix_set_dmamode (struct ata_port *ap, struct ata_device *adev)
static void piix_set_dmamode(struct ata_port *ap, struct ata_device *adev)
{
do_pata_set_dmamode(ap, adev, 0);
}
......@@ -921,7 +921,7 @@ static void piix_set_dmamode (struct ata_port *ap, struct ata_device *adev)
* None (inherited from caller).
*/
static void ich_set_dmamode (struct ata_port *ap, struct ata_device *adev)
static void ich_set_dmamode(struct ata_port *ap, struct ata_device *adev)
{
do_pata_set_dmamode(ap, adev, 1);
}
......@@ -1106,8 +1106,7 @@ static int __devinit piix_check_450nx_errata(struct pci_dev *ata_dev)
u16 cfg;
int no_piix_dma = 0;
while((pdev = pci_get_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82454NX, pdev)) != NULL)
{
while ((pdev = pci_get_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82454NX, pdev)) != NULL) {
/* Look for 450NX PXB. Check for problem configurations
A PCI quirk checks bit 6 already */
pci_read_config_word(pdev, 0x41, &cfg);
......@@ -1241,7 +1240,7 @@ static void piix_iocfg_bit18_quirk(struct pci_dev *pdev)
* Zero on success, or -ERRNO value.
*/
static int piix_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
static int piix_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
static int printed_version;
struct device *dev = &pdev->dev;
......
......@@ -26,7 +26,7 @@
#include <acpi/actypes.h>
#define NO_PORT_MULT 0xffff
#define SATA_ADR(root,pmp) (((root) << 16) | (pmp))
#define SATA_ADR(root, pmp) (((root) << 16) | (pmp))
#define REGS_PER_GTF 7
struct ata_acpi_gtf {
......@@ -96,8 +96,8 @@ static void ata_acpi_associate_ide_port(struct ata_port *ap)
}
}
static void ata_acpi_handle_hotplug (struct ata_port *ap, struct kobject *kobj,
u32 event)
static void ata_acpi_handle_hotplug(struct ata_port *ap, struct kobject *kobj,
u32 event)
{
char event_string[12];
char *envp[] = { event_string, NULL };
......@@ -114,7 +114,7 @@ static void ata_acpi_handle_hotplug (struct ata_port *ap, struct kobject *kobj,
}
if (kobj) {
sprintf(event_string, "BAY_EVENT=%d", event);
sprintf(event_string, "BAY_EVENT=%d", event);
kobject_uevent_env(kobj, KOBJ_CHANGE, envp);
}
}
......@@ -127,14 +127,14 @@ static void ata_acpi_dev_notify(acpi_handle handle, u32 event, void *data)
if (dev->sdev)
kobj = &dev->sdev->sdev_gendev.kobj;
ata_acpi_handle_hotplug (dev->link->ap, kobj, event);
ata_acpi_handle_hotplug(dev->link->ap, kobj, event);
}
static void ata_acpi_ap_notify(acpi_handle handle, u32 event, void *data)
{
struct ata_port *ap = data;
ata_acpi_handle_hotplug (ap, &ap->dev->kobj, event);
ata_acpi_handle_hotplug(ap, &ap->dev->kobj, event);
}
/**
......@@ -398,11 +398,11 @@ int ata_acpi_cbl_80wire(struct ata_port *ap)
{
struct ata_acpi_gtm gtm;
int valid = 0;
/* No _GTM data, no information */
if (ata_acpi_gtm(ap, &gtm) < 0)
return 0;
/* Split timing, DMA enabled */
if ((gtm.flags & 0x11) == 0x11 && gtm.drive[0].dma < 55)
valid |= 1;
......
......@@ -49,11 +49,11 @@
#include <linux/workqueue.h>
#include <linux/jiffies.h>
#include <linux/scatterlist.h>
#include <linux/io.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_host.h>
#include <linux/libata.h>
#include <asm/io.h>
#include <asm/semaphore.h>
#include <asm/byteorder.h>
......@@ -93,7 +93,7 @@ int libata_fua = 0;
module_param_named(fua, libata_fua, int, 0444);
MODULE_PARM_DESC(fua, "FUA support (0=off, 1=on)");
static int ata_ignore_hpa = 0;
static int ata_ignore_hpa;
module_param_named(ignore_hpa, ata_ignore_hpa, int, 0644);
MODULE_PARM_DESC(ignore_hpa, "Ignore HPA limit (0=keep BIOS limits, 1=ignore limits, using full disk)");
......@@ -713,7 +713,7 @@ unsigned int ata_dev_classify(const struct ata_taskfile *tf)
}
if ((tf->lbam == 0x3c) && (tf->lbah == 0xc3)) {
printk("ata: SEMB device ignored\n");
printk(KERN_INFO "ata: SEMB device ignored\n");
return ATA_DEV_SEMB_UNSUP; /* not yet */
}
......@@ -939,7 +939,7 @@ static int ata_read_native_max_address(struct ata_device *dev, u64 *max_sectors)
*max_sectors = ata_tf_to_lba48(&tf);
else
*max_sectors = ata_tf_to_lba(&tf);
if (dev->horkage & ATA_HORKAGE_HPA_SIZE)
if (dev->horkage & ATA_HORKAGE_HPA_SIZE)
(*max_sectors)--;
return 0;
}
......@@ -1151,7 +1151,7 @@ void ata_id_to_dma_mode(struct ata_device *dev, u8 unknown)
* LOCKING:
* caller.
*/
void ata_noop_dev_select (struct ata_port *ap, unsigned int device)
void ata_noop_dev_select(struct ata_port *ap, unsigned int device)
{
}
......@@ -1171,7 +1171,7 @@ void ata_noop_dev_select (struct ata_port *ap, unsigned int device)
* caller.
*/
void ata_std_dev_select (struct ata_port *ap, unsigned int device)
void ata_std_dev_select(struct ata_port *ap, unsigned int device)
{
u8 tmp;
......@@ -1292,7 +1292,7 @@ static unsigned int ata_id_xfermask(const u16 *id)
*/
u8 mode = (id[ATA_ID_OLD_PIO_MODES] >> 8) & 0xFF;
if (mode < 5) /* Valid PIO range */
pio_mask = (2 << mode) - 1;
pio_mask = (2 << mode) - 1;
else
pio_mask = 1;
......@@ -1693,7 +1693,7 @@ static u32 ata_pio_mask_no_iordy(const struct ata_device *adev)
* for pre-ATA4 drives.
*
* FIXME: ATA_CMD_ID_ATA is optional for early drives and right
* now we abort if we hit that case.
* now we abort if we hit that case.
*
* LOCKING:
* Kernel thread context (may sleep)
......@@ -1979,9 +1979,8 @@ int ata_dev_configure(struct ata_device *dev)
"supports DRM functions and may "
"not be fully accessable.\n");
snprintf(revbuf, 7, "CFA");
}
else
snprintf(revbuf, 7, "ATA-%d", ata_id_major_version(id));
} else
snprintf(revbuf, 7, "ATA-%d", ata_id_major_version(id));
dev->n_sectors = ata_id_n_sectors(id);
......@@ -2110,7 +2109,7 @@ int ata_dev_configure(struct ata_device *dev)
/* Let the user know. We don't want to disallow opens for
rescue purposes, or in case the vendor is just a blithering
idiot */
if (print_info) {
if (print_info) {
ata_dev_printk(dev, KERN_WARNING,
"Drive reports diagnostics failure. This may indicate a drive\n");
ata_dev_printk(dev, KERN_WARNING,
......@@ -2667,8 +2666,8 @@ static const struct ata_timing ata_timing[] = {
{ 0xFF }
};
#define ENOUGH(v,unit) (((v)-1)/(unit)+1)
#define EZ(v,unit) ((v)?ENOUGH(v,unit):0)
#define ENOUGH(v, unit) (((v)-1)/(unit)+1)
#define EZ(v, unit) ((v)?ENOUGH(v, unit):0)
static void ata_timing_quantize(const struct ata_timing *t, struct ata_timing *q, int T, int UT)
{
......@@ -2695,7 +2694,7 @@ void ata_timing_merge(const struct ata_timing *a, const struct ata_timing *b,
if (what & ATA_TIMING_UDMA ) m->udma = max(a->udma, b->udma);
}
static const struct ata_timing* ata_timing_find_mode(unsigned short speed)
static const struct ata_timing *ata_timing_find_mode(unsigned short speed)
{
const struct ata_timing *t;
......@@ -2727,10 +2726,10 @@ int ata_timing_compute(struct ata_device *adev, unsigned short speed,
if (adev->id[ATA_ID_FIELD_VALID] & 2) { /* EIDE drive */
memset(&p, 0, sizeof(p));
if(speed >= XFER_PIO_0 && speed <= XFER_SW_DMA_0) {
if (speed >= XFER_PIO_0 && speed <= XFER_SW_DMA_0) {
if (speed <= XFER_PIO_2) p.cycle = p.cyc8b = adev->id[ATA_ID_EIDE_PIO];
else p.cycle = p.cyc8b = adev->id[ATA_ID_EIDE_PIO_IORDY];
} else if(speed >= XFER_MW_DMA_0 && speed <= XFER_MW_DMA_2) {
} else if (speed >= XFER_MW_DMA_0 && speed <= XFER_MW_DMA_2) {
p.cycle = adev->id[ATA_ID_EIDE_DMA_MIN];
}
ata_timing_merge(&p, t, t, ATA_TIMING_CYCLE | ATA_TIMING_CYC8B);
......@@ -2876,14 +2875,17 @@ static int ata_dev_set_mode(struct ata_device *dev)
dev->flags |= ATA_DFLAG_PIO;
err_mask = ata_dev_set_xfermode(dev);
/* Old CFA may refuse this command, which is just fine */
if (dev->xfer_shift == ATA_SHIFT_PIO && ata_id_is_cfa(dev->id))
err_mask &= ~AC_ERR_DEV;
err_mask &= ~AC_ERR_DEV;
/* Some very old devices and some bad newer ones fail any kind of
SET_XFERMODE request but support PIO0-2 timings and no IORDY */
if (dev->xfer_shift == ATA_SHIFT_PIO && !ata_id_has_iordy(dev->id) &&
dev->pio_mode <= XFER_PIO_2)
err_mask &= ~AC_ERR_DEV;
if (err_mask) {
ata_dev_printk(dev, KERN_ERR, "failed to set xfermode "
"(err_mask=0x%x)\n", err_mask);
......@@ -3943,7 +3945,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
{ "SAMSUNG CD-ROM SC", NULL, ATA_HORKAGE_NODMA },
{ "ATAPI CD-ROM DRIVE 40X MAXIMUM",NULL,ATA_HORKAGE_NODMA },
{ "_NEC DV5800A", NULL, ATA_HORKAGE_NODMA },
{ "SAMSUNG CD-ROM SN-124","N001", ATA_HORKAGE_NODMA },
{ "SAMSUNG CD-ROM SN-124", "N001", ATA_HORKAGE_NODMA },
{ "Seagate STT20000A", NULL, ATA_HORKAGE_NODMA },
{ "IOMEGA ZIP 250 ATAPI", NULL, ATA_HORKAGE_NODMA }, /* temporary fix */
{ "IOMEGA ZIP 250 ATAPI Floppy",
......@@ -3959,7 +3961,7 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = {
/* Devices where NCQ should be avoided */
/* NCQ is slow */
{ "WDC WD740ADFD-00", NULL, ATA_HORKAGE_NONCQ },
{ "WDC WD740ADFD-00", NULL, ATA_HORKAGE_NONCQ },
/* http://thread.gmane.org/gmane.linux.ide/14907 */
{ "FUJITSU MHT2060BH", NULL, ATA_HORKAGE_NONCQ },
/* NCQ is broken */
......@@ -4106,7 +4108,7 @@ static void ata_dev_xfermask(struct ata_device *dev)
}
if ((host->flags & ATA_HOST_SIMPLEX) &&
host->simplex_claimed && host->simplex_claimed != ap) {
host->simplex_claimed && host->simplex_claimed != ap) {
xfer_mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA);
ata_dev_printk(dev, KERN_WARNING, "simplex DMA is claimed by "
"other device, disabling DMA\n");
......@@ -4128,11 +4130,11 @@ static void ata_dev_xfermask(struct ata_device *dev)
*/
if (xfer_mask & (0xF8 << ATA_SHIFT_UDMA))
/* UDMA/44 or higher would be available */
if((ap->cbl == ATA_CBL_PATA40) ||
(ata_drive_40wire(dev->id) &&
(ap->cbl == ATA_CBL_PATA_UNK ||
ap->cbl == ATA_CBL_PATA80))) {
ata_dev_printk(dev, KERN_WARNING,
if ((ap->cbl == ATA_CBL_PATA40) ||
(ata_drive_40wire(dev->id) &&
(ap->cbl == ATA_CBL_PATA_UNK ||
ap->cbl == ATA_CBL_PATA80))) {
ata_dev_printk(dev, KERN_WARNING,
"limited to UDMA/33 due to 40-wire cable\n");
xfer_mask &= ~(0xF8 << ATA_SHIFT_UDMA);
}
......@@ -4395,7 +4397,7 @@ static void ata_fill_sg_dumb(struct ata_queued_cmd *qc)
u32 addr, offset;
u32 sg_len, len, blen;
/* determine if physical DMA addr spans 64K boundary.
/* determine if physical DMA addr spans 64K boundary.
* Note h/w doesn't support 64-bit, so we unconditionally
* truncate dma_addr_t to u32.
*/
......@@ -4980,7 +4982,7 @@ next_sg:
"%u bytes trailing data\n", bytes);
for (i = 0; i < words; i++)
ap->ops->data_xfer(qc->dev, (unsigned char*)pad_buf, 2, do_write);
ap->ops->data_xfer(qc->dev, (unsigned char *)pad_buf, 2, do_write);
ap->hsm_task_state = HSM_ST_LAST;
return;
......@@ -5908,8 +5910,8 @@ unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc)
* One if interrupt was handled, zero if not (shared irq).
*/
inline unsigned int ata_host_intr (struct ata_port *ap,
struct ata_queued_cmd *qc)
inline unsigned int ata_host_intr(struct ata_port *ap,
struct ata_queued_cmd *qc)
{
struct ata_eh_info *ehi = &ap->link.eh_info;
u8 status, host_stat = 0;
......@@ -6009,7 +6011,7 @@ idle_irq:
* IRQ_NONE or IRQ_HANDLED.
*/
irqreturn_t ata_interrupt (int irq, void *dev_instance)
irqreturn_t ata_interrupt(int irq, void *dev_instance)
{
struct ata_host *host = dev_instance;
unsigned int i;
......@@ -6212,7 +6214,7 @@ int ata_flush_cache(struct ata_device *dev)
/* This is wrong. On a failed flush we get back the LBA of the lost
sector and we should (assuming it wasn't aborted as unknown) issue
a further flush command to continue the writeback until it
a further flush command to continue the writeback until it
does not error */
err_mask = ata_do_simple_cmd(dev, cmd);
if (err_mask) {
......
......@@ -1197,7 +1197,7 @@ void ata_eh_done(struct ata_link *link, struct ata_device *dev,
* RETURNS:
* Descriptive string for @err_mask
*/
static const char * ata_err_string(unsigned int err_mask)
static const char *ata_err_string(unsigned int err_mask)
{
if (err_mask & AC_ERR_HOST_BUS)
return "host bus error";
......@@ -1934,7 +1934,7 @@ static void ata_eh_link_report(struct ata_link *link)
ehc->i.serror & SERR_LINK_SEQ_ERR ? "LinkSeq " : "",
ehc->i.serror & SERR_TRANS_ST_ERROR ? "TrStaTrns " : "",
ehc->i.serror & SERR_UNRECOG_FIS ? "UnrecFIS " : "",
ehc->i.serror & SERR_DEV_XCHG ? "DevExch " : "" );
ehc->i.serror & SERR_DEV_XCHG ? "DevExch " : "");
for (tag = 0; tag < ATA_MAX_QUEUE; tag++) {
static const char *dma_str[] = {
......@@ -1969,17 +1969,17 @@ static void ata_eh_link_report(struct ata_link *link)
qc->err_mask & AC_ERR_NCQ ? " <F>" : "");
if (res->command & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ |
ATA_ERR) ) {
ATA_ERR)) {
if (res->command & ATA_BUSY)
ata_dev_printk(qc->dev, KERN_ERR,
"status: { Busy }\n" );
"status: { Busy }\n");
else
ata_dev_printk(qc->dev, KERN_ERR,
"status: { %s%s%s%s}\n",
res->command & ATA_DRDY ? "DRDY " : "",
res->command & ATA_DF ? "DF " : "",
res->command & ATA_DRQ ? "DRQ " : "",
res->command & ATA_ERR ? "ERR " : "" );
res->command & ATA_ERR ? "ERR " : "");
}
if (cmd->command != ATA_CMD_PACKET &&
......@@ -1990,7 +1990,7 @@ static void ata_eh_link_report(struct ata_link *link)
res->feature & ATA_ICRC ? "ICRC " : "",
res->feature & ATA_UNC ? "UNC " : "",
res->feature & ATA_IDNF ? "IDNF " : "",
res->feature & ATA_ABORTED ? "ABRT " : "" );
res->feature & ATA_ABORTED ? "ABRT " : "");
}
}
......@@ -2611,7 +2611,7 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
ehc->i.flags = 0;
continue;
dev_fail:
dev_fail:
nr_failed_devs++;
if (ata_eh_handle_dev_fail(dev, rc))
nr_disabled_devs++;
......
This diff is collapsed.
......@@ -248,7 +248,7 @@ void ata_bmdma_setup(struct ata_queued_cmd *qc)
* LOCKING:
* spin_lock_irqsave(host lock)
*/
void ata_bmdma_start (struct ata_queued_cmd *qc)
void ata_bmdma_start(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
u8 dmactl;
......
......@@ -17,7 +17,7 @@
* TODO:
* Test PARISC SuperIO
* Get someone to test on SPARC
* Implement lazy pio/dma switching for better performance
* Implement lazy pio/dma switching for better performance
* 8bit shared timing.
* See if we need to kill the FIFO for ATAPI
*/
......@@ -60,10 +60,10 @@ static void ns87415_set_mode(struct ata_port *ap, struct ata_device *adev, u8 mo
u16 clocking;
u8 iordy;
u8 status;
/* Timing register format is 17 - low nybble read timing with
the high nybble being 16 - x for recovery time in PCI clocks */
ata_timing_compute(adev, adev->pio_mode, &t, T, 0);
clocking = 17 - FIT(t.active, 2, 17);
......@@ -71,7 +71,7 @@ static void ns87415_set_mode(struct ata_port *ap, struct ata_device *adev, u8 mo
/* Use the same timing for read and write bytes */
clocking |= (clocking << 8);
pci_write_config_word(dev, timing, clocking);
/* Set the IORDY enable versus DMA enable on or off properly */
pci_read_config_byte(dev, 0x42, &iordy);
iordy &= ~(1 << (4 + unit));
......@@ -185,7 +185,7 @@ static void ns87415_bmdma_irq_clear(struct ata_port *ap)
if (!mmio)
return;
iowrite8((ioread8(mmio + ATA_DMA_CMD) | ATA_DMA_INTR | ATA_DMA_ERR),
iowrite8((ioread8(mmio + ATA_DMA_CMD) | ATA_DMA_INTR | ATA_DMA_ERR),
mmio + ATA_DMA_CMD);
}
......
......@@ -845,7 +845,7 @@ static int __mv_stop_dma(struct ata_port *ap)
pp->pp_flags &= ~MV_PP_FLAG_EDMA_EN;
} else {
WARN_ON(EDMA_EN & readl(port_mmio + EDMA_CMD_OFS));
}
}
/* now properly wait for the eDMA to stop */
for (i = 1000; i > 0; i--) {
......@@ -883,7 +883,7 @@ static void mv_dump_mem(void __iomem *start, unsigned bytes)
for (b = 0; b < bytes; ) {
DPRINTK("%p: ", start + b);
for (w = 0; b < bytes && w < 4; w++) {
printk("%08x ",readl(start + b));
printk("%08x ", readl(start + b));
b += sizeof(u32);
}
printk("\n");
......@@ -899,8 +899,8 @@ static void mv_dump_pci_cfg(struct pci_dev *pdev, unsigned bytes)
for (b = 0; b < bytes; ) {
DPRINTK("%02x: ", b);
for (w = 0; b < bytes && w < 4; w++) {
(void) pci_read_config_dword(pdev,b,&dw);
printk("%08x ",dw);
(void) pci_read_config_dword(pdev, b, &dw);
printk("%08x ", dw);
b += sizeof(u32);
}
printk("\n");
......@@ -944,9 +944,9 @@ static void mv_dump_all_regs(void __iomem *mmio_base, int port,
}
for (p = start_port; p < start_port + num_ports; p++) {
port_base = mv_port_base(mmio_base, p);
DPRINTK("EDMA regs (port %i):\n",p);
DPRINTK("EDMA regs (port %i):\n", p);
mv_dump_mem(port_base, 0x54);
DPRINTK("SATA regs (port %i):\n",p);
DPRINTK("SATA regs (port %i):\n", p);
mv_dump_mem(port_base+0x300, 0x60);
}
#endif
......@@ -1184,7 +1184,7 @@ static void mv_qc_prep(struct ata_queued_cmd *qc)
u16 flags = 0;
unsigned in_index;
if (qc->tf.protocol != ATA_PROT_DMA)
if (qc->tf.protocol != ATA_PROT_DMA)
return;
/* Fill in command request block
......@@ -1276,7 +1276,7 @@ static void mv_qc_prep_iie(struct ata_queued_cmd *qc)
unsigned in_index;
u32 flags = 0;
if (qc->tf.protocol != ATA_PROT_DMA)
if (qc->tf.protocol != ATA_PROT_DMA)
return;
/* Fill in Gen IIE command request block
......@@ -1606,7 +1606,7 @@ static void mv_host_intr(struct ata_host *host, u32 relevant, unsigned int hc)
writelfl(~hc_irq_cause, hc_mmio + HC_IRQ_CAUSE_OFS);
VPRINTK("ENTER, hc%u relevant=0x%08x HC IRQ cause=0x%08x\n",
hc,relevant,hc_irq_cause);
hc, relevant, hc_irq_cause);
for (port = port0; port < port0 + MV_PORTS_PER_HC; port++) {
struct ata_port *ap = host->ports[port];
......@@ -1983,9 +1983,8 @@ static int mv6_reset_hc(struct mv_host_priv *hpriv, void __iomem *mmio,
for (i = 0; i < 1000; i++) {
udelay(1);
t = readl(reg);
if (PCI_MASTER_EMPTY & t) {
if (PCI_MASTER_EMPTY & t)
break;
}
}
if (!(PCI_MASTER_EMPTY & t)) {
printk(KERN_ERR DRV_NAME ": PCI master won't flush\n");
......@@ -2668,7 +2667,7 @@ static void mv_print_info(struct ata_host *host)
*/
static int mv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
static int printed_version = 0;
static int printed_version;
unsigned int board_idx = (unsigned int)ent->driver_data;
const struct ata_port_info *ppi[] = { &mv_port_info[board_idx], NULL };
struct ata_host *host;
......
......@@ -163,7 +163,7 @@ enum {
NV_ADMA_STAT_STOPPED = (1 << 10),
NV_ADMA_STAT_DONE = (1 << 12),
NV_ADMA_STAT_ERR = NV_ADMA_STAT_CPBERR |
NV_ADMA_STAT_TIMEOUT,
NV_ADMA_STAT_TIMEOUT,
/* port flags */
NV_ADMA_PORT_REGISTER_MODE = (1 << 0),
......@@ -228,7 +228,7 @@ struct nv_adma_cpb {
u8 reserved1; /* 1 */
u8 ctl_flags; /* 2 */
/* len is length of taskfile in 64 bit words */
u8 len; /* 3 */
u8 len; /* 3 */
u8 tag; /* 4 */
u8 next_cpb_idx; /* 5 */
__le16 reserved2; /* 6-7 */
......@@ -244,9 +244,9 @@ struct nv_adma_port_priv {
dma_addr_t cpb_dma;
struct nv_adma_prd *aprd;
dma_addr_t aprd_dma;
void __iomem * ctl_block;
void __iomem * gen_block;
void __iomem * notifier_clear_block;
void __iomem *ctl_block;
void __iomem *gen_block;
void __iomem *notifier_clear_block;
u8 flags;
int last_issue_ncq;
};
......@@ -293,7 +293,7 @@ struct nv_swncq_port_priv {
#define NV_ADMA_CHECK_INTR(GCTL, PORT) ((GCTL) & ( 1 << (19 + (12 * (PORT)))))
static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent);
static int nv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
#ifdef CONFIG_PM
static int nv_pci_device_resume(struct pci_dev *pdev);
#endif
......@@ -301,8 +301,8 @@ static void nv_ck804_host_stop(struct ata_host *host);
static irqreturn_t nv_generic_interrupt(int irq, void *dev_instance);
static irqreturn_t nv_nf2_interrupt(int irq, void *dev_instance);
static irqreturn_t nv_ck804_interrupt(int irq, void *dev_instance);
static int nv_scr_read (struct ata_port *ap, unsigned int sc_reg, u32 *val);
static int nv_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val);
static int nv_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val);
static int nv_scr_write(struct ata_port *ap, unsigned int sc_reg, u32 val);
static void nv_nf2_freeze(struct ata_port *ap);
static void nv_nf2_thaw(struct ata_port *ap);
......@@ -653,12 +653,12 @@ static void nv_adma_register_mode(struct ata_port *ap)
return;
status = readw(mmio + NV_ADMA_STAT);
while(!(status & NV_ADMA_STAT_IDLE) && count < 20) {
while (!(status & NV_ADMA_STAT_IDLE) && count < 20) {
ndelay(50);
status = readw(mmio + NV_ADMA_STAT);
count++;
}
if(count == 20)
if (count == 20)
ata_port_printk(ap, KERN_WARNING,
"timeout waiting for ADMA IDLE, stat=0x%hx\n",
status);
......@@ -668,12 +668,12 @@ static void nv_adma_register_mode(struct ata_port *ap)
count = 0;
status = readw(mmio + NV_ADMA_STAT);
while(!(status & NV_ADMA_STAT_LEGACY) && count < 20) {
while (!(status & NV_ADMA_STAT_LEGACY) && count < 20) {
ndelay(50);
status = readw(mmio + NV_ADMA_STAT);
count++;
}
if(count == 20)
if (count == 20)
ata_port_printk(ap, KERN_WARNING,
"timeout waiting for ADMA LEGACY, stat=0x%hx\n",
status);
......@@ -697,13 +697,13 @@ static void nv_adma_mode(struct ata_port *ap)
writew(tmp | NV_ADMA_CTL_GO, mmio + NV_ADMA_CTL);
status = readw(mmio + NV_ADMA_STAT);
while(((status & NV_ADMA_STAT_LEGACY) ||
while (((status & NV_ADMA_STAT_LEGACY) ||
!(status & NV_ADMA_STAT_IDLE)) && count < 20) {
ndelay(50);
status = readw(mmio + NV_ADMA_STAT);
count++;
}
if(count == 20)
if (count == 20)
ata_port_printk(ap, KERN_WARNING,
"timeout waiting for ADMA LEGACY clear and IDLE, stat=0x%hx\n",
status);
......@@ -747,8 +747,7 @@ static int nv_adma_slave_config(struct scsi_device *sdev)
on the port. */
adma_enable = 0;
nv_adma_register_mode(ap);