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Subject[git patches] IDE fixes
Date

Please pull from:

master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6.git/

to receive the following updates:

drivers/ide/ide-probe.c | 4 ++--
drivers/ide/ide-taskfile.c | 12 ++++++++----
drivers/ide/pci/amd74xx.c | 8 +++-----
drivers/ide/pci/hpt366.c | 21 ++++++++++++++++-----
drivers/ide/pci/it821x.c | 3 +--
drivers/ide/pci/pdc202xx_new.c | 10 ++++++++--
drivers/ide/setup-pci.c | 10 +++++++---
7 files changed, 45 insertions(+), 23 deletions(-)


Alan Cox (1):
ide: Fix a theoretical Ooops case

Albert Lee (1):
ide: pdc202xx_new PLL input clock fix

Andrew Morton (1):
ide: ide_scan_pcibus(): check __pci_register_driver return value

Bartlomiej Zolnierkiewicz (2):
amd74xx: resume fix
it821x: fix incorrect SWDMA mask

Masatake YAMATO (1):
ide: never called printk statement in ide-taskfile.c::wait_drive_not_busy

Sergei Shtylyov (2):
hpt366: blacklist MAXTOR STM3320620A for UltraDMA/66
hpt366: use correct enablebits for HPT36x


diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 41bfa4d..f5ce22c 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -574,11 +574,11 @@ static inline u8 probe_for_drive (ide_drive_t *drive)
/* look for ATAPI device */
(void) do_probe(drive, WIN_PIDENTIFY);
}
- if (strstr(drive->id->model, "E X A B Y T E N E S T"))
- enable_nest(drive);
if (!drive->present)
/* drive not found */
return 0;
+ if (strstr(drive->id->model, "E X A B Y T E N E S T"))
+ enable_nest(drive);

/* identification failed? */
if (!drive->id_read) {
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index 30175c7..aa06daf 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -238,7 +238,7 @@ EXPORT_SYMBOL(task_no_data_intr);
static u8 wait_drive_not_busy(ide_drive_t *drive)
{
ide_hwif_t *hwif = HWIF(drive);
- int retries = 100;
+ int retries;
u8 stat;

/*
@@ -246,10 +246,14 @@ static u8 wait_drive_not_busy(ide_drive_t *drive)
* This can take up to 10 usec, but we will wait max 1 ms
* (drive_cmd_intr() waits that long).
*/
- while (((stat = hwif->INB(IDE_STATUS_REG)) & BUSY_STAT) && retries--)
- udelay(10);
+ for (retries = 0; retries < 100; retries++) {
+ if ((stat = hwif->INB(IDE_STATUS_REG)) & BUSY_STAT)
+ udelay(10);
+ else
+ break;
+ }

- if (!retries)
+ if (stat & BUSY_STAT)
printk(KERN_ERR "%s: drive still BUSY!\n", drive->name);

return stat;
diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c
index 9db1be8..a2be65f 100644
--- a/drivers/ide/pci/amd74xx.c
+++ b/drivers/ide/pci/amd74xx.c
@@ -1,5 +1,5 @@
/*
- * Version 2.15
+ * Version 2.16
*
* AMD 755/756/766/8111 and nVidia nForce/2/2s/3/3s/CK804/MCP04
* IDE driver for Linux.
@@ -244,10 +244,8 @@ static int amd_set_drive(ide_drive_t *drive, u8 speed)
struct ide_timing t, p;
int T, UT;

- if (speed != XFER_PIO_SLOW && speed != drive->current_speed)
- if (ide_config_drive_speed(drive, speed))
- printk(KERN_WARNING "ide%d: Drive %d didn't accept speed setting. Oh, well.\n",
- drive->dn >> 1, drive->dn & 1);
+ if (speed != XFER_PIO_SLOW)
+ ide_config_drive_speed(drive, speed);

T = 1000000000 / amd_clock;
UT = T / min_t(int, max_t(int, amd_config->flags & AMD_UDMA, 1), 2);
diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c
index ce8a544..c33d0b0 100644
--- a/drivers/ide/pci/hpt366.c
+++ b/drivers/ide/pci/hpt366.c
@@ -1,5 +1,5 @@
/*
- * linux/drivers/ide/pci/hpt366.c Version 1.04 Jun 4, 2007
+ * linux/drivers/ide/pci/hpt366.c Version 1.06 Jun 27, 2007
*
* Copyright (C) 1999-2003 Andre Hedrick <andre@linux-ide.org>
* Portions Copyright (C) 2001 Sun Microsystems, Inc.
@@ -182,6 +182,7 @@ static const char *bad_ata66_4[] = {
"IC35L040AVER07-0",
"IC35L060AVER07-0",
"WDC AC310200R",
+ "MAXTOR STM3320620A",
NULL
};

@@ -1513,18 +1514,28 @@ static int __devinit init_setup_hpt366(struct pci_dev *dev, ide_pci_device_t *d)
goto init_single;

/*
- * HPT36x chips are single channel and
- * do not seem to have the channel enable bit...
+ * HPT36x chips have one channel per function and have
+ * both channel enable bits located differently and visible
+ * to both functions -- really stupid design decision... :-(
+ * Bit 4 is for the primary channel, bit 5 for the secondary.
*/
d->channels = 1;
- d->enablebits[0].reg = 0;
+ d->enablebits[0].mask = d->enablebits[0].val = 0x10;

if ((dev2 = pci_get_slot(dev->bus, dev->devfn + 1)) != NULL) {
- u8 pin1 = 0, pin2 = 0;
+ u8 mcr1 = 0, pin1 = 0, pin2 = 0;
int ret;

pci_set_drvdata(dev2, info[rev]);

+ /*
+ * Now we'll have to force both channels enabled if
+ * at least one of them has been enabled by BIOS...
+ */
+ pci_read_config_byte(dev, 0x50, &mcr1);
+ if (mcr1 & 0x30)
+ pci_write_config_byte(dev, 0x50, mcr1 | 0x30);
+
pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin1);
pci_read_config_byte(dev2, PCI_INTERRUPT_PIN, &pin2);
if (pin1 != pin2 && dev->irq == dev2->irq) {
diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c
index 4bd4bf0..3aeb7f1 100644
--- a/drivers/ide/pci/it821x.c
+++ b/drivers/ide/pci/it821x.c
@@ -1,6 +1,6 @@

/*
- * linux/drivers/ide/pci/it821x.c Version 0.15 Jun 2 2007
+ * linux/drivers/ide/pci/it821x.c Version 0.16 Jul 3 2007
*
* Copyright (C) 2004 Red Hat <alan@redhat.com>
* Copyright (C) 2007 Bartlomiej Zolnierkiewicz
@@ -660,7 +660,6 @@ static void __devinit init_hwif_it821x(ide_hwif_t *hwif)

hwif->ultra_mask = 0x7f;
hwif->mwdma_mask = 0x07;
- hwif->swdma_mask = 0x07;

hwif->ide_dma_check = &it821x_config_drive_for_dma;
if (!(hwif->udma_four))
diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c
index cc0bfdc..0765dce 100644
--- a/drivers/ide/pci/pdc202xx_new.c
+++ b/drivers/ide/pci/pdc202xx_new.c
@@ -306,11 +306,13 @@ static long __devinit read_counter(u32 dma_base)
*/
static long __devinit detect_pll_input_clock(unsigned long dma_base)
{
+ struct timeval start_time, end_time;
long start_count, end_count;
- long pll_input;
+ long pll_input, usec_elapsed;
u8 scr1;

start_count = read_counter(dma_base);
+ do_gettimeofday(&start_time);

/* Start the test mode */
outb(0x01, dma_base + 0x01);
@@ -322,6 +324,7 @@ static long __devinit detect_pll_input_clock(unsigned long dma_base)
mdelay(10);

end_count = read_counter(dma_base);
+ do_gettimeofday(&end_time);

/* Stop the test mode */
outb(0x01, dma_base + 0x01);
@@ -333,7 +336,10 @@ static long __devinit detect_pll_input_clock(unsigned long dma_base)
* Calculate the input clock in Hz
* (the clock counter is 30 bit wide and counts down)
*/
- pll_input = ((start_count - end_count) & 0x3ffffff) * 100;
+ usec_elapsed = (end_time.tv_sec - start_time.tv_sec) * 1000000 +
+ (end_time.tv_usec - start_time.tv_usec);
+ pll_input = ((start_count - end_count) & 0x3ffffff) / 10 *
+ (10000000 / usec_elapsed);

DBG("start[%ld] end[%ld]\n", start_count, end_count);

diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c
index 67035ba..c88d332 100644
--- a/drivers/ide/setup-pci.c
+++ b/drivers/ide/setup-pci.c
@@ -872,11 +872,15 @@ void __init ide_scan_pcibus (int scan_direction)
* are post init.
*/

- list_for_each_safe(l, n, &ide_pci_drivers)
- {
+ list_for_each_safe(l, n, &ide_pci_drivers) {
list_del(l);
d = list_entry(l, struct pci_driver, node);
- __pci_register_driver(d, d->driver.owner, d->driver.mod_name);
+ if (__pci_register_driver(d, d->driver.owner,
+ d->driver.mod_name)) {
+ printk(KERN_ERR "%s: failed to register driver "
+ "for %s\n", __FUNCTION__,
+ d->driver.mod_name);
+ }
}
}
#endif
-
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