summaryrefslogtreecommitdiff
path: root/drivers/ata/libata-core.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ata/libata-core.c')
-rw-r--r--drivers/ata/libata-core.c66
1 files changed, 34 insertions, 32 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 69092bce1ada..b458639b4735 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -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) {
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-15 11:40:09 +0300