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Merge branch 'reset-seq' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev 

* 'reset-seq' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  [libata reset-seq] build and merge fixes
  libata: reimplement reset sequencing
  libata: improve ata_std_prereset()
  libata: improve 0xff status handling
  libata: add deadline support to prereset and reset methods
This commit is contained in:
Linus Torvalds 2007-05-08 11:58:20 -07:00
parent 9028780a3e 27c78b372d
commit 4750def52c
32 changed files with 321 additions and 212 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
drivers/ata/ahci.c
View File

@ -874,7 +874,8 @@ static int ahci_clo(struct ata_port *ap)
return 0;
}
static int ahci_softreset(struct ata_port *ap, unsigned int *class)
static int ahci_softreset(struct ata_port *ap, unsigned int *class,
unsigned long deadline)
{
struct ahci_port_priv *pp = ap->private_data;
void __iomem *port_mmio = ahci_port_base(ap);
@ -959,15 +960,13 @@ static int ahci_softreset(struct ata_port *ap, unsigned int *class)
*/
msleep(150);
*class = ATA_DEV_NONE;
if (ata_port_online(ap)) {
if (ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT)) {
rc = -EIO;
reason = "device not ready";
goto fail;
}
*class = ahci_dev_classify(ap);
rc = ata_wait_ready(ap, deadline);
/* link occupied, -ENODEV too is an error */
if (rc) {
reason = "device not ready";
goto fail;
}
*class = ahci_dev_classify(ap);
DPRINTK("EXIT, class=%u\n", *class);
return 0;
@ -979,7 +978,8 @@ static int ahci_softreset(struct ata_port *ap, unsigned int *class)
return rc;
}
static int ahci_hardreset(struct ata_port *ap, unsigned int *class)
static int ahci_hardreset(struct ata_port *ap, unsigned int *class,
unsigned long deadline)
{
struct ahci_port_priv *pp = ap->private_data;
u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
@ -995,7 +995,7 @@ static int ahci_hardreset(struct ata_port *ap, unsigned int *class)
tf.command = 0x80;
ata_tf_to_fis(&tf, d2h_fis, 0);
rc = sata_std_hardreset(ap, class);
rc = sata_std_hardreset(ap, class, deadline);
ahci_start_engine(ap);
@ -1008,7 +1008,8 @@ static int ahci_hardreset(struct ata_port *ap, unsigned int *class)
return rc;
}
static int ahci_vt8251_hardreset(struct ata_port *ap, unsigned int *class)
static int ahci_vt8251_hardreset(struct ata_port *ap, unsigned int *class,
unsigned long deadline)
{
int rc;
@ -1016,7 +1017,8 @@ static int ahci_vt8251_hardreset(struct ata_port *ap, unsigned int *class)
ahci_stop_engine(ap);
rc = sata_port_hardreset(ap, sata_ehc_deb_timing(&ap->eh_context));
rc = sata_port_hardreset(ap, sata_ehc_deb_timing(&ap->eh_context),
deadline);
/* vt8251 needs SError cleared for the port to operate */
ahci_scr_write(ap, SCR_ERROR, ahci_scr_read(ap, SCR_ERROR));

6
drivers/ata/ata_piix.c
View File

@ -625,17 +625,18 @@ static int ich_pata_cable_detect(struct ata_port *ap)
/**
* piix_pata_prereset - prereset for PATA host controller
* @ap: Target port
* @deadline: deadline jiffies for the operation
*
* LOCKING:
* None (inherited from caller).
*/
static int piix_pata_prereset(struct ata_port *ap)
static int piix_pata_prereset(struct ata_port *ap, unsigned long deadline)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
if (!pci_test_config_bits(pdev, &piix_enable_bits[ap->port_no]))
return -ENOENT;
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}
static void piix_pata_error_handler(struct ata_port *ap)
@ -644,7 +645,6 @@ static void piix_pata_error_handler(struct ata_port *ap)
ata_std_postreset);
}
static void piix_sata_error_handler(struct ata_port *ap)
{
ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset, NULL,

225
drivers/ata/libata-core.c
View File

@ -2979,23 +2979,71 @@ int ata_busy_sleep(struct ata_port *ap,
return 0;
}
static void ata_bus_post_reset(struct ata_port *ap, unsigned int devmask)
/**
* ata_wait_ready - sleep until BSY clears, or timeout
* @ap: port containing status register to be polled
* @deadline: deadline jiffies for the operation
*
* Sleep until ATA Status register bit BSY clears, or timeout
* occurs.
*
* LOCKING:
* Kernel thread context (may sleep).
*
* RETURNS:
* 0 on success, -errno otherwise.
*/
int ata_wait_ready(struct ata_port *ap, unsigned long deadline)
{
unsigned long start = jiffies;
int warned = 0;
while (1) {
u8 status = ata_chk_status(ap);
unsigned long now = jiffies;
if (!(status & ATA_BUSY))
return 0;
if (status == 0xff)
return -ENODEV;
if (time_after(now, deadline))
return -EBUSY;
if (!warned && time_after(now, start + 5 * HZ) &&
(deadline - now > 3 * HZ)) {
ata_port_printk(ap, KERN_WARNING,
"port is slow to respond, please be patient "
"(Status 0x%x)\n", status);
warned = 1;
}
msleep(50);
}
}
static int ata_bus_post_reset(struct ata_port *ap, unsigned int devmask,
unsigned long deadline)
{
struct ata_ioports *ioaddr = &ap->ioaddr;
unsigned int dev0 = devmask & (1 << 0);
unsigned int dev1 = devmask & (1 << 1);
unsigned long timeout;
int rc, ret = 0;
/* if device 0 was found in ata_devchk, wait for its
* BSY bit to clear
*/
if (dev0)
ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT);
if (dev0) {
rc = ata_wait_ready(ap, deadline);
if (rc) {
if (rc != -ENODEV)
return rc;
ret = rc;
}
}
/* if device 1 was found in ata_devchk, wait for
* register access, then wait for BSY to clear
*/
timeout = jiffies + ATA_TMOUT_BOOT;
while (dev1) {
u8 nsect, lbal;
@ -3004,14 +3052,18 @@ static void ata_bus_post_reset(struct ata_port *ap, unsigned int devmask)
lbal = ioread8(ioaddr->lbal_addr);
if ((nsect == 1) && (lbal == 1))
break;
if (time_after(jiffies, timeout)) {
dev1 = 0;
break;
}
if (time_after(jiffies, deadline))
return -EBUSY;
msleep(50); /* give drive a breather */
}
if (dev1)
ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT);
if (dev1) {
rc = ata_wait_ready(ap, deadline);
if (rc) {
if (rc != -ENODEV)
return rc;
ret = rc;
}
}
/* is all this really necessary? */
ap->ops->dev_select(ap, 0);
@ -3019,10 +3071,12 @@ static void ata_bus_post_reset(struct ata_port *ap, unsigned int devmask)
ap->ops->dev_select(ap, 1);
if (dev0)
ap->ops->dev_select(ap, 0);
return ret;
}
static unsigned int ata_bus_softreset(struct ata_port *ap,
unsigned int devmask)
static int ata_bus_softreset(struct ata_port *ap, unsigned int devmask,
unsigned long deadline)
{
struct ata_ioports *ioaddr = &ap->ioaddr;
@ -3052,11 +3106,9 @@ static unsigned int ata_bus_softreset(struct ata_port *ap,
* pulldown resistor.
*/
if (ata_check_status(ap) == 0xFF)
return 0;
return -ENODEV;
ata_bus_post_reset(ap, devmask);
return 0;
return ata_bus_post_reset(ap, devmask, deadline);
}
/**
@ -3085,6 +3137,7 @@ void ata_bus_reset(struct ata_port *ap)
unsigned int slave_possible = ap->flags & ATA_FLAG_SLAVE_POSS;
u8 err;
unsigned int dev0, dev1 = 0, devmask = 0;
int rc;
DPRINTK("ENTER, host %u, port %u\n", ap->print_id, ap->port_no);
@ -3106,9 +3159,11 @@ void ata_bus_reset(struct ata_port *ap)
ap->ops->dev_select(ap, 0);
/* issue bus reset */
if (ap->flags & ATA_FLAG_SRST)
if (ata_bus_softreset(ap, devmask))
if (ap->flags & ATA_FLAG_SRST) {
rc = ata_bus_softreset(ap, devmask, jiffies + 40 * HZ);
if (rc && rc != -ENODEV)
goto err_out;
}
/*
* determine by signature whether we have ATA or ATAPI devices
@ -3150,29 +3205,37 @@ err_out:
* sata_phy_debounce - debounce SATA phy status
* @ap: ATA port to debounce SATA phy status for
* @params: timing parameters { interval, duratinon, timeout } in msec
* @deadline: deadline jiffies for the operation
*
* Make sure SStatus of @ap reaches stable state, determined by
* holding the same value where DET is not 1 for @duration polled
* every @interval, before @timeout. Timeout constraints the
* beginning of the stable state. Because, after hot unplugging,
* DET gets stuck at 1 on some controllers, this functions waits
* beginning of the stable state. Because DET gets stuck at 1 on
* some controllers after hot unplugging, this functions waits
* until timeout then returns 0 if DET is stable at 1.
*
* @timeout is further limited by @deadline. The sooner of the
* two is used.
*
* LOCKING:
* Kernel thread context (may sleep)
*
* RETURNS:
* 0 on success, -errno on failure.
*/
int sata_phy_debounce(struct ata_port *ap, const unsigned long *params)
int sata_phy_debounce(struct ata_port *ap, const unsigned long *params,
unsigned long deadline)
{
unsigned long interval_msec = params[0];
unsigned long duration = params[1] * HZ / 1000;
unsigned long timeout = jiffies + params[2] * HZ / 1000;
unsigned long last_jiffies;
unsigned long duration = msecs_to_jiffies(params[1]);
unsigned long last_jiffies, t;
u32 last, cur;
int rc;
t = jiffies + msecs_to_jiffies(params[2]);
if (time_before(t, deadline))
deadline = t;
if ((rc = sata_scr_read(ap, SCR_STATUS, &cur)))
return rc;
cur &= 0xf;
@ -3188,7 +3251,7 @@ int sata_phy_debounce(struct ata_port *ap, const unsigned long *params)
/* DET stable? */
if (cur == last) {
if (cur == 1 && time_before(jiffies, timeout))
if (cur == 1 && time_before(jiffies, deadline))
continue;
if (time_after(jiffies, last_jiffies + duration))
return 0;
@ -3199,8 +3262,8 @@ int sata_phy_debounce(struct ata_port *ap, const unsigned long *params)
last = cur;
last_jiffies = jiffies;
/* check timeout */
if (time_after(jiffies, timeout))
/* check deadline */
if (time_after(jiffies, deadline))
return -EBUSY;
}
}
@ -3209,6 +3272,7 @@ int sata_phy_debounce(struct ata_port *ap, const unsigned long *params)
* sata_phy_resume - resume SATA phy
* @ap: ATA port to resume SATA phy for
* @params: timing parameters { interval, duratinon, timeout } in msec
* @deadline: deadline jiffies for the operation
*
* Resume SATA phy of @ap and debounce it.
*
@ -3218,7 +3282,8 @@ int sata_phy_debounce(struct ata_port *ap, const unsigned long *params)
* RETURNS:
* 0 on success, -errno on failure.
*/
int sata_phy_resume(struct ata_port *ap, const unsigned long *params)
int sata_phy_resume(struct ata_port *ap, const unsigned long *params,
unsigned long deadline)
{
u32 scontrol;
int rc;
@ -3236,43 +3301,19 @@ int sata_phy_resume(struct ata_port *ap, const unsigned long *params)
*/
msleep(200);
return sata_phy_debounce(ap, params);
}
static void ata_wait_spinup(struct ata_port *ap)
{
struct ata_eh_context *ehc = &ap->eh_context;
unsigned long end, secs;
int rc;
/* first, debounce phy if SATA */
if (ap->cbl == ATA_CBL_SATA) {
rc = sata_phy_debounce(ap, sata_deb_timing_hotplug);
/* if debounced successfully and offline, no need to wait */
if ((rc == 0 || rc == -EOPNOTSUPP) && ata_port_offline(ap))
return;
}
/* okay, let's give the drive time to spin up */
end = ehc->i.hotplug_timestamp + ATA_SPINUP_WAIT * HZ / 1000;
secs = ((end - jiffies) + HZ - 1) / HZ;
if (time_after(jiffies, end))
return;
if (secs > 5)
ata_port_printk(ap, KERN_INFO, "waiting for device to spin up "
"(%lu secs)\n", secs);
schedule_timeout_uninterruptible(end - jiffies);
return sata_phy_debounce(ap, params, deadline);
}
/**
* ata_std_prereset - prepare for reset
* @ap: ATA port to be reset
* @deadline: deadline jiffies for the operation
*
* @ap is about to be reset. Initialize it.
* @ap is about to be reset. Initialize it. Failure from
* prereset makes libata abort whole reset sequence and give up
* that port, so prereset should be best-effort. It does its
* best to prepare for reset sequence but if things go wrong, it
* should just whine, not fail.
*
* LOCKING:
* Kernel thread context (may sleep)
@ -3280,41 +3321,41 @@ static void ata_wait_spinup(struct ata_port *ap)
* RETURNS:
* 0 on success, -errno otherwise.
*/
int ata_std_prereset(struct ata_port *ap)
int ata_std_prereset(struct ata_port *ap, unsigned long deadline)
{
struct ata_eh_context *ehc = &ap->eh_context;
const unsigned long *timing = sata_ehc_deb_timing(ehc);
int rc;
/* handle link resume & hotplug spinup */
/* handle link resume */
if ((ehc->i.flags & ATA_EHI_RESUME_LINK) &&
(ap->flags & ATA_FLAG_HRST_TO_RESUME))
ehc->i.action |= ATA_EH_HARDRESET;
if ((ehc->i.flags & ATA_EHI_HOTPLUGGED) &&
(ap->flags & ATA_FLAG_SKIP_D2H_BSY))
ata_wait_spinup(ap);
/* if we're about to do hardreset, nothing more to do */
if (ehc->i.action & ATA_EH_HARDRESET)
return 0;
/* if SATA, resume phy */
if (ap->cbl == ATA_CBL_SATA) {
rc = sata_phy_resume(ap, timing);
if (rc && rc != -EOPNOTSUPP) {
/* phy resume failed */
rc = sata_phy_resume(ap, timing, deadline);
/* whine about phy resume failure but proceed */
if (rc && rc != -EOPNOTSUPP)
ata_port_printk(ap, KERN_WARNING, "failed to resume "
"link for reset (errno=%d)\n", rc);
return rc;
}
}
/* Wait for !BSY if the controller can wait for the first D2H
* Reg FIS and we don't know that no device is attached.
*/
if (!(ap->flags & ATA_FLAG_SKIP_D2H_BSY) && !ata_port_offline(ap))
ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT);
if (!(ap->flags & ATA_FLAG_SKIP_D2H_BSY) && !ata_port_offline(ap)) {
rc = ata_wait_ready(ap, deadline);
if (rc) {
ata_port_printk(ap, KERN_WARNING, "device not ready "
"(errno=%d), forcing hardreset\n", rc);
ehc->i.action |= ATA_EH_HARDRESET;
}
}
return 0;
}
@ -3323,6 +3364,7 @@ int ata_std_prereset(struct ata_port *ap)
* ata_std_softreset - reset host port via ATA SRST
* @ap: port to reset
* @classes: resulting classes of attached devices
* @deadline: deadline jiffies for the operation
*
* Reset host port using ATA SRST.
*
@ -3332,10 +3374,12 @@ int ata_std_prereset(struct ata_port *ap)
* RETURNS:
* 0 on success, -errno otherwise.
*/
int ata_std_softreset(struct ata_port *ap, unsigned int *classes)
int ata_std_softreset(struct ata_port *ap, unsigned int *classes,
unsigned long deadline)
{
unsigned int slave_possible = ap->flags & ATA_FLAG_SLAVE_POSS;
unsigned int devmask = 0, err_mask;
unsigned int devmask = 0;
int rc;
u8 err;
DPRINTK("ENTER\n");
@ -3356,11 +3400,11 @@ int ata_std_softreset(struct ata_port *ap, unsigned int *classes)
/* issue bus reset */
DPRINTK("about to softreset, devmask=%x\n", devmask);
err_mask = ata_bus_softreset(ap, devmask);
if (err_mask) {
ata_port_printk(ap, KERN_ERR, "SRST failed (err_mask=0x%x)\n",
err_mask);
return -EIO;
rc = ata_bus_softreset(ap, devmask, deadline);
/* if link is occupied, -ENODEV too is an error */
if (rc && (rc != -ENODEV || sata_scr_valid(ap))) {
ata_port_printk(ap, KERN_ERR, "SRST failed (errno=%d)\n", rc);
return rc;
}
/* determine by signature whether we have ATA or ATAPI devices */
@ -3377,6 +3421,7 @@ int ata_std_softreset(struct ata_port *ap, unsigned int *classes)
* sata_port_hardreset - reset port via SATA phy reset
* @ap: port to reset
* @timing: timing parameters { interval, duratinon, timeout } in msec
* @deadline: deadline jiffies for the operation
*
* SATA phy-reset host port using DET bits of SControl register.
*
@ -3386,7 +3431,8 @@ int ata_std_softreset(struct ata_port *ap, unsigned int *classes)
* RETURNS:
* 0 on success, -errno otherwise.
*/
int sata_port_hardreset(struct ata_port *ap, const unsigned long *timing)
int sata_port_hardreset(struct ata_port *ap, const unsigned long *timing,
unsigned long deadline)
{
u32 scontrol;
int rc;
@ -3425,7 +3471,7 @@ int sata_port_hardreset(struct ata_port *ap, const unsigned long *timing)
msleep(1);
/* bring phy back */
rc = sata_phy_resume(ap, timing);
rc = sata_phy_resume(ap, timing, deadline);
out:
DPRINTK("EXIT, rc=%d\n", rc);
return rc;
@ -3435,6 +3481,7 @@ int sata_port_hardreset(struct ata_port *ap, const unsigned long *timing)
* sata_std_hardreset - reset host port via SATA phy reset
* @ap: port to reset
* @class: resulting class of attached device
* @deadline: deadline jiffies for the operation
*
* SATA phy-reset host port using DET bits of SControl register,
* wait for !BSY and classify the attached device.
@ -3445,7 +3492,8 @@ int sata_port_hardreset(struct ata_port *ap, const unsigned long *timing)
* RETURNS:
* 0 on success, -errno otherwise.
*/
int sata_std_hardreset(struct ata_port *ap, unsigned int *class)
int sata_std_hardreset(struct ata_port *ap, unsigned int *class,
unsigned long deadline)
{
const unsigned long *timing = sata_ehc_deb_timing(&ap->eh_context);
int rc;
@ -3453,7 +3501,7 @@ int sata_std_hardreset(struct ata_port *ap, unsigned int *class)
DPRINTK("ENTER\n");
/* do hardreset */
rc = sata_port_hardreset(ap, timing);
rc = sata_port_hardreset(ap, timing, deadline);
if (rc) {
ata_port_printk(ap, KERN_ERR,
"COMRESET failed (errno=%d)\n", rc);
@ -3470,10 +3518,12 @@ int sata_std_hardreset(struct ata_port *ap, unsigned int *class)
/* wait a while before checking status, see SRST for more info */
msleep(150);
if (ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT)) {
rc = ata_wait_ready(ap, deadline);
/* link occupied, -ENODEV too is an error */
if (rc) {
ata_port_printk(ap, KERN_ERR,
"COMRESET failed (device not ready)\n");
return -EIO;
"COMRESET failed (errno=%d)\n", rc);
return rc;
}
ap->ops->dev_select(ap, 0); /* probably unnecessary */
@ -6793,6 +6843,7 @@ EXPORT_SYMBOL_GPL(ata_port_disable);
EXPORT_SYMBOL_GPL(ata_ratelimit);
EXPORT_SYMBOL_GPL(ata_wait_register);
EXPORT_SYMBOL_GPL(ata_busy_sleep);
EXPORT_SYMBOL_GPL(ata_wait_ready);
EXPORT_SYMBOL_GPL(ata_port_queue_task);
EXPORT_SYMBOL_GPL(ata_scsi_ioctl);
EXPORT_SYMBOL_GPL(ata_scsi_queuecmd);

62
drivers/ata/libata-eh.c
View File

@ -50,6 +50,28 @@ enum {
ATA_EH_SPDN_FALLBACK_TO_PIO = (1 << 2),
};
/* Waiting in ->prereset can never be reliable. It's sometimes nice
* to wait there but it can't be depended upon; otherwise, we wouldn't
* be resetting. Just give it enough time for most drives to spin up.
*/
enum {
ATA_EH_PRERESET_TIMEOUT = 10 * HZ,
};
/* The following table determines how we sequence resets. Each entry
* represents timeout for that try. The first try can be soft or
* hardreset. All others are hardreset if available. In most cases
* the first reset w/ 10sec timeout should succeed. Following entries
* are mostly for error handling, hotplug and retarded devices.
*/
static const unsigned long ata_eh_reset_timeouts[] = {
10 * HZ, /* most drives spin up by 10sec */
10 * HZ, /* > 99% working drives spin up before 20sec */
35 * HZ, /* give > 30 secs of idleness for retarded devices */
5 * HZ, /* and sweet one last chance */
/* > 1 min has elapsed, give up */
};
static void __ata_port_freeze(struct ata_port *ap);
static void ata_eh_finish(struct ata_port *ap);
#ifdef CONFIG_PM
@ -1558,14 +1580,14 @@ static void ata_eh_report(struct ata_port *ap)
}
static int ata_do_reset(struct ata_port *ap, ata_reset_fn_t reset,
unsigned int *classes)
unsigned int *classes, unsigned long deadline)
{
int i, rc;
for (i = 0; i < ATA_MAX_DEVICES; i++)
classes[i] = ATA_DEV_UNKNOWN;
rc = reset(ap, classes);
rc = reset(ap, classes, deadline);
if (rc)
return rc;
@ -1603,8 +1625,9 @@ static int ata_eh_reset(struct ata_port *ap, int classify,
{
struct ata_eh_context *ehc = &ap->eh_context;
unsigned int *classes = ehc->classes;
int tries = ATA_EH_RESET_TRIES;
int verbose = !(ehc->i.flags & ATA_EHI_QUIET);
int try = 0;
unsigned long deadline;
unsigned int action;
ata_reset_fn_t reset;
int i, did_followup_srst, rc;
@ -1624,7 +1647,7 @@ static int ata_eh_reset(struct ata_port *ap, int classify,
ehc->i.action |= ATA_EH_HARDRESET;
if (prereset) {
rc = prereset(ap);
rc = prereset(ap, jiffies + ATA_EH_PRERESET_TIMEOUT);
if (rc) {
if (rc == -ENOENT) {
ata_port_printk(ap, KERN_DEBUG,
@ -1665,6 +1688,8 @@ static int ata_eh_reset(struct ata_port *ap, int classify,
}
retry:
deadline = jiffies + ata_eh_reset_timeouts[try++];
/* shut up during boot probing */
if (verbose)
ata_port_printk(ap, KERN_INFO, "%s resetting port\n",
@ -1676,7 +1701,7 @@ static int ata_eh_reset(struct ata_port *ap, int classify,
else
ehc->i.flags |= ATA_EHI_DID_SOFTRESET;
rc = ata_do_reset(ap, reset, classes);
rc = ata_do_reset(ap, reset, classes, deadline);
did_followup_srst = 0;
if (reset == hardreset &&
@ -1693,7 +1718,7 @@ static int ata_eh_reset(struct ata_port *ap, int classify,
}
ata_eh_about_to_do(ap, NULL, ATA_EH_RESET_MASK);
rc = ata_do_reset(ap, reset, classes);
rc = ata_do_reset(ap, reset, classes, deadline);
if (rc == 0 && classify &&
classes[0] == ATA_DEV_UNKNOWN) {
@ -1703,22 +1728,21 @@ static int ata_eh_reset(struct ata_port *ap, int classify,
}
}
if (rc && --tries) {
const char *type;
if (rc && try < ARRAY_SIZE(ata_eh_reset_timeouts)) {
unsigned long now = jiffies;
if (reset == softreset) {
if (did_followup_srst)
type = "follow-up soft";
else
type = "soft";
} else
type = "hard";
if (time_before(now, deadline)) {
unsigned long delta = deadline - jiffies;
ata_port_printk(ap, KERN_WARNING,
"%sreset failed, retrying in 5 secs\n", type);
ssleep(5);
ata_port_printk(ap, KERN_WARNING, "reset failed "
"(errno=%d), retrying in %u secs\n",
rc, (jiffies_to_msecs(delta) + 999) / 1000);
if (reset == hardreset)
schedule_timeout_uninterruptible(delta);
}
if (reset == hardreset &&
try == ARRAY_SIZE(ata_eh_reset_timeouts) - 1)
sata_down_spd_limit(ap);
if (hardreset)
reset = hardreset;

11
drivers/ata/pata_amd.c
View File

@ -121,12 +121,13 @@ static void timing_setup(struct ata_port *ap, struct ata_device *adev, int offse
/**
* amd_probe_init - perform reset handling
* @ap: ATA port
* @deadline: deadline jiffies for the operation
*
* Reset sequence checking enable bits to see which ports are
* active.
*/
static int amd_pre_reset(struct ata_port *ap)
static int amd_pre_reset(struct ata_port *ap, unsigned long deadline)
{
static const struct pci_bits amd_enable_bits[] = {
{ 0x40, 1, 0x02, 0x02 },
@ -138,8 +139,7 @@ static int amd_pre_reset(struct ata_port *ap)
if (!pci_test_config_bits(pdev, &amd_enable_bits[ap->port_no]))
return -ENOENT;
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}
static void amd_error_handler(struct ata_port *ap)
@ -227,7 +227,8 @@ static void amd133_set_dmamode(struct ata_port *ap, struct ata_device *adev)
* space for us.
*/
static int nv_pre_reset(struct ata_port *ap) {
static int nv_pre_reset(struct ata_port *ap, unsigned long deadline)
{
static const struct pci_bits nv_enable_bits[] = {
{ 0x50, 1, 0x02, 0x02 },
{ 0x50, 1, 0x01, 0x01 }
@ -238,7 +239,7 @@ static int nv_pre_reset(struct ata_port *ap) {
if (!pci_test_config_bits(pdev, &nv_enable_bits[ap->port_no]))
return -ENOENT;
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}
static void nv_error_handler(struct ata_port *ap)

11
drivers/ata/pata_artop.c
View File

@ -39,7 +39,7 @@
static int clock = 0;
static int artop6210_pre_reset(struct ata_port *ap)
static int artop6210_pre_reset(struct ata_port *ap, unsigned long deadline)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
const struct pci_bits artop_enable_bits[] = {
@ -49,7 +49,8 @@ static int artop6210_pre_reset(struct ata_port *ap)
if (!pci_test_config_bits(pdev, &artop_enable_bits[ap->port_no]))
return -ENOENT;
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}
/**
@ -70,12 +71,13 @@ static void artop6210_error_handler(struct ata_port *ap)
/**
* artop6260_pre_reset - check for 40/80 pin
* @ap: Port
* @deadline: deadline jiffies for the operation
*
* The ARTOP hardware reports the cable detect bits in register 0x49.
* Nothing complicated needed here.
*/
static int artop6260_pre_reset(struct ata_port *ap)
static int artop6260_pre_reset(struct ata_port *ap, unsigned long deadline)
{
static const struct pci_bits artop_enable_bits[] = {
{ 0x4AU, 1U, 0x02UL, 0x02UL }, /* port 0 */
@ -87,7 +89,8 @@ static int artop6260_pre_reset(struct ata_port *ap)
/* Odd numbered device ids are the units with enable bits (the -R cards) */
if (pdev->device % 1 && !pci_test_config_bits(pdev, &artop_enable_bits[ap->port_no]))
return -ENOENT;
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}
/**

4
drivers/ata/pata_atiixp.c
View File

@ -33,7 +33,7 @@ enum {
ATIIXP_IDE_UDMA_MODE = 0x56
};
static int atiixp_pre_reset(struct ata_port *ap)
static int atiixp_pre_reset(struct ata_port *ap, unsigned long deadline)
{
static const struct pci_bits atiixp_enable_bits[] = {
{ 0x48, 1, 0x01, 0x00 },
@ -44,7 +44,7 @@ static int atiixp_pre_reset(struct ata_port *ap)
if (!pci_test_config_bits(pdev, &atiixp_enable_bits[ap->port_no]))
return -ENOENT;
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}
static void atiixp_error_handler(struct ata_port *ap)

1
drivers/ata/pata_cs5535.c
View File

@ -72,6 +72,7 @@
/**
* cs5535_cable_detect - detect cable type
* @ap: Port to detect on
* @deadline: deadline jiffies for the operation
*
* Perform cable detection for ATA66 capable cable. Return a libata
* cable type.

5
drivers/ata/pata_efar.c
View File

@ -27,12 +27,13 @@
/**
* efar_pre_reset - Enable bits
* @ap: Port
* @deadline: deadline jiffies for the operation
*
* Perform cable detection for the EFAR ATA interface. This is
* different to the PIIX arrangement
*/
static int efar_pre_reset(struct ata_port *ap)
static int efar_pre_reset(struct ata_port *ap, unsigned long deadline)
{
static const struct pci_bits efar_enable_bits[] = {
{ 0x41U, 1U, 0x80UL, 0x80UL }, /* port 0 */
@ -43,7 +44,7 @@ static int efar_pre_reset(struct ata_port *ap)
if (!pci_test_config_bits(pdev, &efar_enable_bits[ap->port_no]))
return -ENOENT;
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}
/**

4
drivers/ata/pata_hpt366.c
View File

@ -220,7 +220,7 @@ static int hpt36x_cable_detect(struct ata_port *ap)
return ATA_CBL_PATA80;
}
static int hpt36x_pre_reset(struct ata_port *ap)
static int hpt36x_pre_reset(struct ata_port *ap, unsigned long deadline)
{
static const struct pci_bits hpt36x_enable_bits[] = {
{ 0x50, 1, 0x04, 0x04 },
@ -231,7 +231,7 @@ static int hpt36x_pre_reset(struct ata_port *ap)
if (!pci_test_config_bits(pdev, &hpt36x_enable_bits[ap->port_no]))
return -ENOENT;
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}
/**

9
drivers/ata/pata_hpt37x.c
View File

@ -307,11 +307,12 @@ static unsigned long hpt370a_filter(struct ata_device *adev, unsigned long mask)
/**
* hpt37x_pre_reset - reset the hpt37x bus
* @ap: ATA port to reset
* @deadline: deadline jiffies for the operation
*
* Perform the initial reset handling for the 370/372 and 374 func 0
*/
static int hpt37x_pre_reset(struct ata_port *ap)
static int hpt37x_pre_reset(struct ata_port *ap, unsigned long deadline)
{
u8 scr2, ata66;
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
@ -338,7 +339,7 @@ static int hpt37x_pre_reset(struct ata_port *ap)
pci_write_config_byte(pdev, 0x50 + 4 * ap->port_no, 0x37);
udelay(100);
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}
/**
@ -353,7 +354,7 @@ static void hpt37x_error_handler(struct ata_port *ap)
ata_bmdma_drive_eh(ap, hpt37x_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
}
static int hpt374_pre_reset(struct ata_port *ap)
static int hpt374_pre_reset(struct ata_port *ap, unsigned long deadline)
{
static const struct pci_bits hpt37x_enable_bits[] = {
{ 0x50, 1, 0x04, 0x04 },
@ -388,7 +389,7 @@ static int hpt374_pre_reset(struct ata_port *ap)
pci_write_config_byte(pdev, 0x50 + 4 * ap->port_no, 0x37);
udelay(100);
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}
/**

5
drivers/ata/pata_hpt3x2n.c
View File

@ -148,13 +148,14 @@ static int hpt3x2n_cable_detect(struct ata_port *ap)
* Reset the hardware and state machine,
*/
static int hpt3xn_pre_reset(struct ata_port *ap)
static int hpt3xn_pre_reset(struct ata_port *ap, unsigned long deadline)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
/* Reset the state machine */
pci_write_config_byte(pdev, 0x50 + 4 * ap->port_no, 0x37);
udelay(100);
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}
/**

6
drivers/ata/pata_it8213.c
View File

@ -24,12 +24,13 @@
/**
* it8213_pre_reset - check for 40/80 pin
* @ap: Port
* @deadline: deadline jiffies for the operation
*
* Filter out ports by the enable bits before doing the normal reset
* and probe.
*/
static int it8213_pre_reset(struct ata_port *ap)
static int it8213_pre_reset(struct ata_port *ap, unsigned long deadline)
{
static const struct pci_bits it8213_enable_bits[] = {
{ 0x41U, 1U, 0x80UL, 0x80UL }, /* port 0 */
@ -37,7 +38,8 @@ static int it8213_pre_reset(struct ata_port *ap)
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
if (!pci_test_config_bits(pdev, &it8213_enable_bits[ap->port_no]))
return -ENOENT;
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}
/**

7
drivers/ata/pata_jmicron.c
View File

@ -30,16 +30,17 @@ typedef enum {
/**
* jmicron_pre_reset - check for 40/80 pin
* @ap: Port
* @deadline: deadline jiffies for the operation
*
* Perform the PATA port setup we need.
*
* On the Jmicron 361/363 there is a single PATA port that can be mapped
* either as primary or secondary (or neither). We don't do any policy
* and setup here. We assume that has been done by init_one and the
* BIOS.
*/
static int jmicron_pre_reset(struct ata_port *ap)
static int jmicron_pre_reset(struct ata_port *ap, unsigned long deadline)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
u32 control;
@ -102,7 +103,7 @@ static int jmicron_pre_reset(struct ata_port *ap)
ap->cbl = ATA_CBL_SATA;
break;
}
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}
/**

7
drivers/ata/pata_marvell.c
View File

@ -25,11 +25,12 @@
/**
* marvell_pre_reset - check for 40/80 pin
* @ap: Port
* @deadline: deadline jiffies for the operation
*
* Perform the PATA port setup we need.
*/
static int marvell_pre_reset(struct ata_port *ap)
static int marvell_pre_reset(struct ata_port *ap, unsigned long deadline)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
u32 devices;
@ -52,7 +53,8 @@ static int marvell_pre_reset(struct ata_port *ap)
if ((pdev->device == 0x6145) && (ap->port_no == 0) &&
(!(devices & 0x10))) /* PATA enable ? */
return -ENOENT;
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}
static int marvell_cable_detect(struct ata_port *ap)
@ -67,6 +69,7 @@ static int marvell_cable_detect(struct ata_port *ap)
case 1: /* Legacy SATA port */
return ATA_CBL_SATA;
}
BUG();
return 0; /* Our BUG macro needs the right markup */
}

5
drivers/ata/pata_mpiix.c
View File

@ -46,14 +46,15 @@ enum {
SECONDARY = (1 << 14)
};
static int mpiix_pre_reset(struct ata_port *ap)
static int mpiix_pre_reset(struct ata_port *ap, unsigned long deadline)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
static const struct pci_bits mpiix_enable_bits = { 0x6D, 1, 0x80, 0x80 };
if (!pci_test_config_bits(pdev, &mpiix_enable_bits))
return -ENOENT;
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}
/**

6
drivers/ata/pata_ns87410.c
View File

@ -33,11 +33,12 @@
/**
* ns87410_pre_reset - probe begin
* @ap: ATA port
* @deadline: deadline jiffies for the operation
*
* Check enabled ports
*/
static int ns87410_pre_reset(struct ata_port *ap)
static int ns87410_pre_reset(struct ata_port *ap, unsigned long deadline)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
static const struct pci_bits ns87410_enable_bits[] = {
@ -47,7 +48,8 @@ static int ns87410_pre_reset(struct ata_port *ap)
if (!pci_test_config_bits(pdev, &ns87410_enable_bits[ap->port_no]))
return -ENOENT;
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}
/**

6
drivers/ata/pata_oldpiix.c
View File

@ -30,11 +30,12 @@
/**
* oldpiix_pre_reset - probe begin
* @ap: ATA port
* @deadline: deadline jiffies for the operation
*
* Set up cable type and use generic probe init
*/
static int oldpiix_pre_reset(struct ata_port *ap)
static int oldpiix_pre_reset(struct ata_port *ap, unsigned long deadline)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
static const struct pci_bits oldpiix_enable_bits[] = {
@ -44,7 +45,8 @@ static int oldpiix_pre_reset(struct ata_port *ap)
if (!pci_test_config_bits(pdev, &oldpiix_enable_bits[ap->port_no]))
return -ENOENT;
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}
/**

6
drivers/ata/pata_opti.c
View File

@ -47,11 +47,12 @@ enum {
/**
* opti_pre_reset - probe begin
* @ap: ATA port
* @deadline: deadline jiffies for the operation
*
* Set up cable type and use generic probe init
*/
static int opti_pre_reset(struct ata_port *ap)
static int opti_pre_reset(struct ata_port *ap, unsigned long deadline)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
static const struct pci_bits opti_enable_bits[] = {
@ -61,7 +62,8 @@ static int opti_pre_reset(struct ata_port *ap)
if (!pci_test_config_bits(pdev, &opti_enable_bits[ap->port_no]))
return -ENOENT;
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}
/**

5
drivers/ata/pata_optidma.c
View File

@ -48,11 +48,12 @@ static int pci_clock; /* 0 = 33 1 = 25 */
/**
* optidma_pre_reset - probe begin
* @ap: ATA port
* @deadline: deadline jiffies for the operation
*
* Set up cable type and use generic probe init
*/
static int optidma_pre_reset(struct ata_port *ap)
static int optidma_pre_reset(struct ata_port *ap, unsigned long deadline)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
static const struct pci_bits optidma_enable_bits = {
@ -62,7 +63,7 @@ static int optidma_pre_reset(struct ata_port *ap)
if (ap->port_no && !pci_test_config_bits(pdev, &optidma_enable_bits))
return -ENOENT;
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}
/**

5
drivers/ata/pata_pdc2027x.c
View File

@ -301,6 +301,7 @@ static inline int pdc2027x_port_enabled(struct ata_port *ap)
/**
* pdc2027x_prereset - prereset for PATA host controller
* @ap: Target port
* @deadline: deadline jiffies for the operation
*
* Probeinit including cable detection.
*
@ -308,12 +309,12 @@ static inline int pdc2027x_port_enabled(struct ata_port *ap)
* None (inherited from caller).
*/
static int pdc2027x_prereset(struct ata_port *ap)
static int pdc2027x_prereset(struct ata_port *ap, unsigned long deadline)
{
/* Check whether port enabled */
if (!pdc2027x_port_enabled(ap))
return -ENOENT;
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}
/**

4
drivers/ata/pata_serverworks.c
View File

@ -139,12 +139,14 @@ static struct sv_cable_table cable_detect[] = {
/**
* serverworks_cable_detect - cable detection
* @ap: ATA port
* @deadline: deadline jiffies for the operation
*
* Perform cable detection according to the device and subvendor
* identifications
*/
static int serverworks_cable_detect(struct ata_port *ap) {
static int serverworks_cable_detect(struct ata_port *ap)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
struct sv_cable_table *cb = cable_detect;

6
drivers/ata/pata_sil680.c
View File

@ -94,11 +94,13 @@ static int sil680_cable_detect(struct ata_port *ap) {
/**
* sil680_bus_reset - reset the SIL680 bus
* @ap: ATA port to reset
* @deadline: deadline jiffies for the operation
*
* Perform the SIL680 housekeeping when doing an ATA bus reset
*/
static int sil680_bus_reset(struct ata_port *ap,unsigned int *classes)
static int sil680_bus_reset(struct ata_port *ap,unsigned int *classes,
unsigned long deadline)
{
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
unsigned long addr = sil680_selreg(ap, 0);
@ -108,7 +110,7 @@ static int sil680_bus_reset(struct ata_port *ap,unsigned int *classes)
pci_write_config_byte(pdev, addr, reset | 0x03);
udelay(25);
pci_write_config_byte(pdev, addr, reset);
return ata_std_softreset(ap, classes);
return ata_std_softreset(ap, classes, deadline);
}
static void sil680_error_handler(struct ata_port *ap)

8
drivers/ata/pata_sis.c
View File

@ -88,6 +88,7 @@ static int sis_port_base(struct ata_device *adev)
/**
* sis_133_cable_detect - check for 40/80 pin
* @ap: Port
* @deadline: deadline jiffies for the operation
*
* Perform cable detection for the later UDMA133 capable
* SiS chipset.
@ -108,6 +109,7 @@ static int sis_133_cable_detect(struct ata_port *ap)
/**
* sis_66_cable_detect - check for 40/80 pin
* @ap: Port
* @deadline: deadline jiffies for the operation
*
* Perform cable detection on the UDMA66, UDMA100 and early UDMA133
* SiS IDE controllers.
@ -130,11 +132,12 @@ static int sis_66_cable_detect(struct ata_port *ap)
/**
* sis_pre_reset - probe begin
* @ap: ATA port
* @deadline: deadline jiffies for the operation
*
* Set up cable type and use generic probe init
*/
static int sis_pre_reset(struct ata_port *ap)
static int sis_pre_reset(struct ata_port *ap, unsigned long deadline)
{
static const struct pci_bits sis_enable_bits[] = {
{ 0x4aU, 1U, 0x02UL, 0x02UL }, /* port 0 */
@ -145,7 +148,8 @@ static int sis_pre_reset(struct ata_port *ap)
if (!pci_test_config_bits(pdev, &sis_enable_bits[ap->port_no]))
return -ENOENT;
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}

5
drivers/ata/pata_sl82c105.c
View File

@ -44,11 +44,12 @@ enum {
/**
* sl82c105_pre_reset - probe begin
* @ap: ATA port
* @deadline: deadline jiffies for the operation
*
* Set up cable type and use generic probe init
*/
static int sl82c105_pre_reset(struct ata_port *ap)
static int sl82c105_pre_reset(struct ata_port *ap, unsigned long deadline)
{
static const struct pci_bits sl82c105_enable_bits[] = {
{ 0x40, 1, 0x01, 0x01 },
@ -58,7 +59,7 @@ static int sl82c105_pre_reset(struct ata_port *ap)
if (ap->port_no && !pci_test_config_bits(pdev, &sl82c105_enable_bits[ap->port_no]))
return -ENOENT;
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}

6
drivers/ata/pata_triflex.c
View File

@ -48,11 +48,12 @@
/**
* triflex_prereset - probe begin
* @ap: ATA port
* @deadline: deadline jiffies for the operation
*
* Set up cable type and use generic probe init
*/
static int triflex_prereset(struct ata_port *ap)
static int triflex_prereset(struct ata_port *ap, unsigned long deadline)
{
static const struct pci_bits triflex_enable_bits[] = {
{ 0x80, 1, 0x01, 0x01 },
@ -63,7 +64,8 @@ static int triflex_prereset(struct ata_port *ap)
if (!pci_test_config_bits(pdev, &triflex_enable_bits[ap->port_no]))
return -ENOENT;
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}

5
drivers/ata/pata_via.c
View File

@ -154,7 +154,7 @@ static int via_cable_detect(struct ata_port *ap) {
return ATA_CBL_PATA40;
}
static int via_pre_reset(struct ata_port *ap)
static int via_pre_reset(struct ata_port *ap, unsigned long deadline)
{
const struct via_isa_bridge *config = ap->host->private_data;
@ -167,7 +167,8 @@ static int via_pre_reset(struct ata_port *ap)
if (!pci_test_config_bits(pdev, &via_enable_bits[ap->port_no]))
return -ENOENT;
}
return ata_std_prereset(ap);
return ata_std_prereset(ap, deadline);
}

15
drivers/ata/sata_inic162x.c
View File

@ -420,7 +420,8 @@ static void inic_thaw(struct ata_port *ap)
* SRST and SControl hardreset don't give valid signature on this
* controller. Only controller specific hardreset mechanism works.
*/
static int inic_hardreset(struct ata_port *ap, unsigned int *class)
static int inic_hardreset(struct ata_port *ap, unsigned int *class,
unsigned long deadline)
{
void __iomem *port_base = inic_port_base(ap);
void __iomem *idma_ctl = port_base + PORT_IDMA_CTL;
@ -437,7 +438,7 @@ static int inic_hardreset(struct ata_port *ap, unsigned int *class)
msleep(1);
writew(val & ~IDMA_CTL_RST_ATA, idma_ctl);
rc = sata_phy_resume(ap, timing);
rc = sata_phy_resume(ap, timing, deadline);
if (rc) {
ata_port_printk(ap, KERN_WARNING, "failed to resume "
"link after reset (errno=%d)\n", rc);
@ -451,10 +452,12 @@ static int inic_hardreset(struct ata_port *ap, unsigned int *class)
/* wait a while before checking status */
msleep(150);
if (ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT)) {
ata_port_printk(ap, KERN_WARNING,
"device busy after hardreset\n");
return -EIO;
rc = ata_wait_ready(ap, deadline);
/* link occupied, -ENODEV too is an error */
if (rc) {
ata_port_printk(ap, KERN_WARNING, "device not ready "
"after hardreset (errno=%d)\n", rc);
return rc;
}
ata_tf_read(ap, &tf);

5
drivers/ata/sata_nv.c
View File

@ -1405,7 +1405,8 @@ static void nv_ck804_thaw(struct ata_port *ap)
writeb(mask, mmio_base + NV_INT_ENABLE_CK804);
}
static int nv_hardreset(struct ata_port *ap, unsigned int *class)
static int nv_hardreset(struct ata_port *ap, unsigned int *class,
unsigned long deadline)
{
unsigned int dummy;
@ -1413,7 +1414,7 @@ static int nv_hardreset(struct ata_port *ap, unsigned int *class)
* some controllers. Don't classify on hardreset. For more
* info, see http://bugme.osdl.org/show_bug.cgi?id=3352
*/
return sata_std_hardreset(ap, &dummy);
return sata_std_hardreset(ap, &dummy, deadline);
}
static void nv_error_handler(struct ata_port *ap)

10
drivers/ata/sata_sil24.c
View File

@ -534,7 +534,8 @@ static int sil24_init_port(struct ata_port *ap)
return 0;
}
static int sil24_softreset(struct ata_port *ap, unsigned int *class)
static int sil24_softreset(struct ata_port *ap, unsigned int *class,
unsigned long deadline)
{
void __iomem *port = ap->ioaddr.cmd_addr;
struct sil24_port_priv *pp = ap->private_data;
@ -566,7 +567,7 @@ static int sil24_softreset(struct ata_port *ap, unsigned int *class)
mask = (PORT_IRQ_COMPLETE | PORT_IRQ_ERROR) << PORT_IRQ_RAW_SHIFT;
irq_stat = ata_wait_register(port + PORT_IRQ_STAT, mask, 0x0,
100, ATA_TMOUT_BOOT / HZ * 1000);
100, jiffies_to_msecs(deadline - jiffies));
writel(irq_stat, port + PORT_IRQ_STAT); /* clear IRQs */
irq_stat >>= PORT_IRQ_RAW_SHIFT;
@ -594,7 +595,8 @@ static int sil24_softreset(struct ata_port *ap, unsigned int *class)
return -EIO;
}
static int sil24_hardreset(struct ata_port *ap, unsigned int *class)
static int sil24_hardreset(struct ata_port *ap, unsigned int *class,
unsigned long deadline)
{
void __iomem *port = ap->ioaddr.cmd_addr;
const char *reason;
@ -615,7 +617,7 @@ static int sil24_hardreset(struct ata_port *ap, unsigned int *class)
/* SStatus oscillates between zero and valid status after
* DEV_RST, debounce it.
*/
rc = sata_phy_debounce(ap, sata_deb_timing_long);
rc = sata_phy_debounce(ap, sata_deb_timing_long, deadline);
if (rc) {
reason = "PHY debouncing failed";
goto err;

5
drivers/ata/sata_via.c
View File

@ -268,6 +268,7 @@ static void svia_noop_freeze(struct ata_port *ap)
/**
* vt6420_prereset - prereset for vt6420
* @ap: target ATA port
* @deadline: deadline jiffies for the operation
*
* SCR registers on vt6420 are pieces of shit and may hang the
* whole machine completely if accessed with the wrong timing.
@ -284,7 +285,7 @@ static void svia_noop_freeze(struct ata_port *ap)
* RETURNS:
* 0 on success, -errno otherwise.
*/
static int vt6420_prereset(struct ata_port *ap)
static int vt6420_prereset(struct ata_port *ap, unsigned long deadline)
{
struct ata_eh_context *ehc = &ap->eh_context;
unsigned long timeout = jiffies + (HZ * 5);
@ -329,7 +330,7 @@ static int vt6420_prereset(struct ata_port *ap)
skip_scr:
/* wait for !BSY */
ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT);
ata_wait_ready(ap, deadline);
return 0;
}

40
include/linux/libata.h
View File

@ -296,18 +296,8 @@ enum {
/* how hard are we gonna try to probe/recover devices */
ATA_PROBE_MAX_TRIES = 3,
ATA_EH_RESET_TRIES = 3,
ATA_EH_DEV_TRIES = 3,
/* Drive spinup time (time from power-on to the first D2H FIS)
* in msecs - 8s currently. Failing to get ready in this time
* isn't critical. It will result in reset failure for
* controllers which can't wait for the first D2H FIS. libata
* will retry, so it just has to be long enough to spin up
* most devices.
*/
ATA_SPINUP_WAIT = 8000,
/* Horkage types. May be set by libata or controller on drives
(some horkage may be drive/controller pair dependant */
@ -348,8 +338,9 @@ struct ata_queued_cmd;
/* typedefs */
typedef void (*ata_qc_cb_t) (struct ata_queued_cmd *qc);
typedef int (*ata_prereset_fn_t)(struct ata_port *ap);
typedef int (*ata_reset_fn_t)(struct ata_port *ap, unsigned int *classes);
typedef int (*ata_prereset_fn_t)(struct ata_port *ap, unsigned long deadline);
typedef int (*ata_reset_fn_t)(struct ata_port *ap, unsigned int *classes,
unsigned long deadline);
typedef void (*ata_postreset_fn_t)(struct ata_port *ap, unsigned int *classes);
struct ata_ioports {
@ -494,7 +485,6 @@ struct ata_eh_info {
unsigned int dev_action[ATA_MAX_DEVICES]; /* dev EH action */
unsigned int flags; /* ATA_EHI_* flags */
unsigned long hotplug_timestamp;
unsigned int probe_mask;
char desc[ATA_EH_DESC_LEN];
@ -688,13 +678,17 @@ extern void __sata_phy_reset(struct ata_port *ap);
extern void sata_phy_reset(struct ata_port *ap);
extern void ata_bus_reset(struct ata_port *ap);
extern int sata_set_spd(struct ata_port *ap);
extern int sata_phy_debounce(struct ata_port *ap, const unsigned long *param);
extern int sata_phy_resume(struct ata_port *ap, const unsigned long *param);
extern int ata_std_prereset(struct ata_port *ap);
extern int ata_std_softreset(struct ata_port *ap, unsigned int *classes);
extern int sata_port_hardreset(struct ata_port *ap,
const unsigned long *timing);
extern int sata_std_hardreset(struct ata_port *ap, unsigned int *class);
extern int sata_phy_debounce(struct ata_port *ap, const unsigned long *param,
unsigned long deadline);
extern int sata_phy_resume(struct ata_port *ap, const unsigned long *param,
unsigned long deadline);
extern int ata_std_prereset(struct ata_port *ap, unsigned long deadline);
extern int ata_std_softreset(struct ata_port *ap, unsigned int *classes,
unsigned long deadline);
extern int sata_port_hardreset(struct ata_port *ap, const unsigned long *timing,
unsigned long deadline);
extern int sata_std_hardreset(struct ata_port *ap, unsigned int *class,
unsigned long deadline);
extern void ata_std_postreset(struct ata_port *ap, unsigned int *classes);
extern void ata_port_disable(struct ata_port *);
extern void ata_std_ports(struct ata_ioports *ioaddr);
@ -750,6 +744,7 @@ extern void ata_host_resume(struct ata_host *host);
extern int ata_ratelimit(void);
extern int ata_busy_sleep(struct ata_port *ap,
unsigned long timeout_pat, unsigned long timeout);
extern int ata_wait_ready(struct ata_port *ap, unsigned long deadline);
extern void ata_port_queue_task(struct ata_port *ap, work_func_t fn,
void *data, unsigned long delay);
extern u32 ata_wait_register(void __iomem *reg, u32 mask, u32 val,
@ -919,12 +914,7 @@ extern void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
static inline void __ata_ehi_hotplugged(struct ata_eh_info *ehi)
{
if (ehi->flags & ATA_EHI_HOTPLUGGED)
return;
ehi->flags |= ATA_EHI_HOTPLUGGED | ATA_EHI_RESUME_LINK;
ehi->hotplug_timestamp = jiffies;
ehi->action |= ATA_EH_SOFTRESET;
ehi->probe_mask |= (1 << ATA_MAX_DEVICES) - 1;
}