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-rw-r--r--drivers/ata/ata_piix.c93
-rw-r--r--drivers/ata/libata-core.c108
-rw-r--r--drivers/ata/libata-eh.c95
-rw-r--r--drivers/ata/libata-scsi.c38
-rw-r--r--drivers/ata/pata_ali.c20
-rw-r--r--drivers/ata/pata_bf54x.c6
-rw-r--r--drivers/ata/pata_hpt37x.c2
-rw-r--r--drivers/ata/pata_isapnp.c11
-rw-r--r--drivers/ata/pata_jmicron.c9
-rw-r--r--drivers/ata/pata_sil680.c32
-rw-r--r--drivers/ata/pata_sis.c1
-rw-r--r--drivers/ata/sata_sil24.c26
-rw-r--r--include/linux/libata.h5
13 files changed, 184 insertions, 262 deletions
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 328ce8a0842..483269db2c7 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -119,18 +119,19 @@ enum {
PIIX_80C_SEC = (1 << 7) | (1 << 6),
/* controller IDs */
- piix_pata_33 = 0, /* PIIX4 at 33Mhz */
- ich_pata_33 = 1, /* ICH up to UDMA 33 only */
- ich_pata_66 = 2, /* ICH up to 66 Mhz */
- ich_pata_100 = 3, /* ICH up to UDMA 100 */
- ich5_sata = 5,
- ich6_sata = 6,
- ich6_sata_ahci = 7,
- ich6m_sata_ahci = 8,
- ich8_sata_ahci = 9,
- piix_pata_mwdma = 10, /* PIIX3 MWDMA only */
- tolapai_sata_ahci = 11,
- ich9_2port_sata = 12,
+ piix_pata_mwdma = 0, /* PIIX3 MWDMA only */
+ piix_pata_33, /* PIIX4 at 33Mhz */
+ ich_pata_33, /* ICH up to UDMA 33 only */
+ ich_pata_66, /* ICH up to 66 Mhz */
+ ich_pata_100, /* ICH up to UDMA 100 */
+ ich5_sata,
+ ich6_sata,
+ ich6_sata_ahci,
+ ich6m_sata_ahci,
+ ich8_sata_ahci,
+ ich8_2port_sata,
+ ich8m_apple_sata_ahci, /* locks up on second port enable */
+ tolapai_sata_ahci,
/* constants for mapping table */
P0 = 0, /* port 0 */
@@ -239,19 +240,21 @@ static const struct pci_device_id piix_pci_tbl[] = {
/* SATA Controller 1 IDE (ICH8) */
{ 0x8086, 0x2820, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
/* SATA Controller 2 IDE (ICH8) */
- { 0x8086, 0x2825, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich9_2port_sata },
+ { 0x8086, 0x2825, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
/* Mobile SATA Controller IDE (ICH8M) */
{ 0x8086, 0x2828, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
+ /* Mobile SATA Controller IDE (ICH8M), Apple */
+ { 0x8086, 0x2828, 0x106b, 0x00a0, 0, 0, ich8m_apple_sata_ahci },
/* SATA Controller IDE (ICH9) */
{ 0x8086, 0x2920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
/* SATA Controller IDE (ICH9) */
- { 0x8086, 0x2921, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich9_2port_sata },
+ { 0x8086, 0x2921, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
/* SATA Controller IDE (ICH9) */
- { 0x8086, 0x2926, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich9_2port_sata },
+ { 0x8086, 0x2926, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
/* SATA Controller IDE (ICH9M) */
- { 0x8086, 0x2928, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich9_2port_sata },
+ { 0x8086, 0x2928, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
/* SATA Controller IDE (ICH9M) */
- { 0x8086, 0x292d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich9_2port_sata },
+ { 0x8086, 0x292d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
/* SATA Controller IDE (ICH9M) */
{ 0x8086, 0x292e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
/* SATA Controller IDE (Tolapai) */
@@ -427,7 +430,7 @@ static const struct piix_map_db ich6m_map_db = {
static const struct piix_map_db ich8_map_db = {
.mask = 0x3,
- .port_enable = 0x3,
+ .port_enable = 0xf,
.map = {
/* PM PS SM SS MAP */
{ P0, P2, P1, P3 }, /* 00b (hardwired when in AHCI) */
@@ -437,7 +440,7 @@ static const struct piix_map_db ich8_map_db = {
},
};
-static const struct piix_map_db tolapai_map_db = {
+static const struct piix_map_db ich8_2port_map_db = {
.mask = 0x3,
.port_enable = 0x3,
.map = {
@@ -449,7 +452,19 @@ static const struct piix_map_db tolapai_map_db = {
},
};
-static const struct piix_map_db ich9_2port_map_db = {
+static const struct piix_map_db ich8m_apple_map_db = {
+ .mask = 0x3,
+ .port_enable = 0x1,
+ .map = {
+ /* PM PS SM SS MAP */
+ { P0, NA, NA, NA }, /* 00b */
+ { RV, RV, RV, RV },
+ { P0, P2, IDE, IDE }, /* 10b */
+ { RV, RV, RV, RV },
+ },
+};
+
+static const struct piix_map_db tolapai_map_db = {
.mask = 0x3,
.port_enable = 0x3,
.map = {
@@ -467,11 +482,21 @@ static const struct piix_map_db *piix_map_db_table[] = {
[ich6_sata_ahci] = &ich6_map_db,
[ich6m_sata_ahci] = &ich6m_map_db,
[ich8_sata_ahci] = &ich8_map_db,
+ [ich8_2port_sata] = &ich8_2port_map_db,
+ [ich8m_apple_sata_ahci] = &ich8m_apple_map_db,
[tolapai_sata_ahci] = &tolapai_map_db,
- [ich9_2port_sata] = &ich9_2port_map_db,
};
static struct ata_port_info piix_port_info[] = {
+ [piix_pata_mwdma] = /* PIIX3 MWDMA only */
+ {
+ .sht = &piix_sht,
+ .flags = PIIX_PATA_FLAGS,
+ .pio_mask = 0x1f, /* pio0-4 */
+ .mwdma_mask = 0x06, /* mwdma1-2 ?? CHECK 0 should be ok but slow */
+ .port_ops = &piix_pata_ops,
+ },
+
[piix_pata_33] = /* PIIX4 at 33MHz */
{
.sht = &piix_sht,
@@ -565,13 +590,15 @@ static struct ata_port_info piix_port_info[] = {
.port_ops = &piix_sata_ops,
},
- [piix_pata_mwdma] = /* PIIX3 MWDMA only */
+ [ich8_2port_sata] =
{
.sht = &piix_sht,
- .flags = PIIX_PATA_FLAGS,
+ .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR |
+ PIIX_FLAG_AHCI,
.pio_mask = 0x1f, /* pio0-4 */
- .mwdma_mask = 0x06, /* mwdma1-2 ?? CHECK 0 should be ok but slow */
- .port_ops = &piix_pata_ops,
+ .mwdma_mask = 0x07, /* mwdma0-2 */
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &piix_sata_ops,
},
[tolapai_sata_ahci] =
@@ -585,7 +612,7 @@ static struct ata_port_info piix_port_info[] = {
.port_ops = &piix_sata_ops,
},
- [ich9_2port_sata] =
+ [ich8m_apple_sata_ahci] =
{
.sht = &piix_sht,
.flags = PIIX_SATA_FLAGS | PIIX_FLAG_SCR |
@@ -595,6 +622,7 @@ static struct ata_port_info piix_port_info[] = {
.udma_mask = ATA_UDMA6,
.port_ops = &piix_sata_ops,
},
+
};
static struct pci_bits piix_enable_bits[] = {
@@ -974,6 +1002,13 @@ static int piix_broken_suspend(void)
},
},
{
+ .ident = "SATELLITE U205",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE U205"),
+ },
+ },
+ {
.ident = "Portege M500",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
@@ -1086,12 +1121,12 @@ static int piix_disable_ahci(struct pci_dev *pdev)
if (!mmio)
return -ENOMEM;
- tmp = readl(mmio + AHCI_GLOBAL_CTL);
+ tmp = ioread32(mmio + AHCI_GLOBAL_CTL);
if (tmp & AHCI_ENABLE) {
tmp &= ~AHCI_ENABLE;
- writel(tmp, mmio + AHCI_GLOBAL_CTL);
+ iowrite32(tmp, mmio + AHCI_GLOBAL_CTL);
- tmp = readl(mmio + AHCI_GLOBAL_CTL);
+ tmp = ioread32(mmio + AHCI_GLOBAL_CTL);
if (tmp & AHCI_ENABLE)
rc = -EIO;
}
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 81898036dbc..33f06277b3b 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -30,6 +30,14 @@
* Hardware documentation available from http://www.t13.org/ and
* http://www.sata-io.org/
*
+ * Standards documents from:
+ * http://www.t13.org (ATA standards, PCI DMA IDE spec)
+ * http://www.t10.org (SCSI MMC - for ATAPI MMC)
+ * http://www.sata-io.org (SATA)
+ * http://www.compactflash.org (CF)
+ * http://www.qic.org (QIC157 - Tape and DSC)
+ * http://www.ce-ata.org (CE-ATA: not supported)
+ *
*/
#include <linux/kernel.h>
@@ -2307,8 +2315,10 @@ int ata_dev_configure(struct ata_device *dev)
}
if ((dev->class == ATA_DEV_ATAPI) &&
- (atapi_command_packet_set(id) == TYPE_TAPE))
+ (atapi_command_packet_set(id) == TYPE_TAPE)) {
dev->max_sectors = ATA_MAX_SECTORS_TAPE;
+ dev->horkage |= ATA_HORKAGE_STUCK_ERR;
+ }
if (dev->horkage & ATA_HORKAGE_MAX_SEC_128)
dev->max_sectors = min_t(unsigned int, ATA_MAX_SECTORS_128,
@@ -2581,81 +2591,6 @@ void sata_print_link_status(struct ata_link *link)
}
/**
- * __sata_phy_reset - Wake/reset a low-level SATA PHY
- * @ap: SATA port associated with target SATA PHY.
- *
- * This function issues commands to standard SATA Sxxx
- * PHY registers, to wake up the phy (and device), and
- * clear any reset condition.
- *
- * LOCKING:
- * PCI/etc. bus probe sem.
- *
- */
-void __sata_phy_reset(struct ata_port *ap)
-{
- struct ata_link *link = &ap->link;
- unsigned long timeout = jiffies + (HZ * 5);
- u32 sstatus;
-
- if (ap->flags & ATA_FLAG_SATA_RESET) {
- /* issue phy wake/reset */
- sata_scr_write_flush(link, SCR_CONTROL, 0x301);
- /* Couldn't find anything in SATA I/II specs, but
- * AHCI-1.1 10.4.2 says at least 1 ms. */
- mdelay(1);
- }
- /* phy wake/clear reset */
- sata_scr_write_flush(link, SCR_CONTROL, 0x300);
-
- /* wait for phy to become ready, if necessary */
- do {
- msleep(200);
- sata_scr_read(link, SCR_STATUS, &sstatus);
- if ((sstatus & 0xf) != 1)
- break;
- } while (time_before(jiffies, timeout));
-
- /* print link status */
- sata_print_link_status(link);
-
- /* TODO: phy layer with polling, timeouts, etc. */
- if (!ata_link_offline(link))
- ata_port_probe(ap);
- else
- ata_port_disable(ap);
-
- if (ap->flags & ATA_FLAG_DISABLED)
- return;
-
- if (ata_busy_sleep(ap, ATA_TMOUT_BOOT_QUICK, ATA_TMOUT_BOOT)) {
- ata_port_disable(ap);
- return;
- }
-
- ap->cbl = ATA_CBL_SATA;
-}
-
-/**
- * sata_phy_reset - Reset SATA bus.
- * @ap: SATA port associated with target SATA PHY.
- *
- * This function resets the SATA bus, and then probes
- * the bus for devices.
- *
- * LOCKING:
- * PCI/etc. bus probe sem.
- *
- */
-void sata_phy_reset(struct ata_port *ap)
-{
- __sata_phy_reset(ap);
- if (ap->flags & ATA_FLAG_DISABLED)
- return;
- ata_bus_reset(ap);
-}
-
-/**
* ata_dev_pair - return other device on cable
* @adev: device
*
@@ -5490,11 +5425,19 @@ fsm_start:
* let the EH abort the command or reset the device.
*/
if (unlikely(status & (ATA_ERR | ATA_DF))) {
- ata_port_printk(ap, KERN_WARNING, "DRQ=1 with device "
- "error, dev_stat 0x%X\n", status);
- qc->err_mask |= AC_ERR_HSM;
- ap->hsm_task_state = HSM_ST_ERR;
- goto fsm_start;
+ /* Some ATAPI tape drives forget to clear the ERR bit
+ * when doing the next command (mostly request sense).
+ * We ignore ERR here to workaround and proceed sending
+ * the CDB.
+ */
+ if (!(qc->dev->horkage & ATA_HORKAGE_STUCK_ERR)) {
+ ata_port_printk(ap, KERN_WARNING,
+ "DRQ=1 with device error, "
+ "dev_stat 0x%X\n", status);
+ qc->err_mask |= AC_ERR_HSM;
+ ap->hsm_task_state = HSM_ST_ERR;
+ goto fsm_start;
+ }
}
/* Send the CDB (atapi) or the first data block (ata pio out).
@@ -7653,8 +7596,6 @@ EXPORT_SYMBOL_GPL(ata_dev_disable);
EXPORT_SYMBOL_GPL(sata_set_spd);
EXPORT_SYMBOL_GPL(sata_link_debounce);
EXPORT_SYMBOL_GPL(sata_link_resume);
-EXPORT_SYMBOL_GPL(sata_phy_reset);
-EXPORT_SYMBOL_GPL(__sata_phy_reset);
EXPORT_SYMBOL_GPL(ata_bus_reset);
EXPORT_SYMBOL_GPL(ata_std_prereset);
EXPORT_SYMBOL_GPL(ata_std_softreset);
@@ -7725,7 +7666,6 @@ EXPORT_SYMBOL_GPL(ata_port_desc);
#ifdef CONFIG_PCI
EXPORT_SYMBOL_GPL(ata_port_pbar_desc);
#endif /* CONFIG_PCI */
-EXPORT_SYMBOL_GPL(ata_eng_timeout);
EXPORT_SYMBOL_GPL(ata_port_schedule_eh);
EXPORT_SYMBOL_GPL(ata_link_abort);
EXPORT_SYMBOL_GPL(ata_port_abort);
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index ed8813b222a..0dac69db1fd 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -559,101 +559,6 @@ void ata_port_wait_eh(struct ata_port *ap)
}
}
-/**
- * ata_qc_timeout - Handle timeout of queued command
- * @qc: Command that timed out
- *
- * Some part of the kernel (currently, only the SCSI layer)
- * has noticed that the active command on port @ap has not
- * completed after a specified length of time. Handle this
- * condition by disabling DMA (if necessary) and completing
- * transactions, with error if necessary.
- *
- * This also handles the case of the "lost interrupt", where
- * for some reason (possibly hardware bug, possibly driver bug)
- * an interrupt was not delivered to the driver, even though the
- * transaction completed successfully.
- *
- * TODO: kill this function once old EH is gone.
- *
- * LOCKING:
- * Inherited from SCSI layer (none, can sleep)
- */
-static void ata_qc_timeout(struct ata_queued_cmd *qc)
-{
- struct ata_port *ap = qc->ap;
- u8 host_stat = 0, drv_stat;
- unsigned long flags;
-
- DPRINTK("ENTER\n");
-
- ap->hsm_task_state = HSM_ST_IDLE;
-
- spin_lock_irqsave(ap->lock, flags);
-
- switch (qc->tf.protocol) {
-
- case ATA_PROT_DMA:
- case ATA_PROT_ATAPI_DMA:
- host_stat = ap->ops->bmdma_status(ap);
-
- /* before we do anything else, clear DMA-Start bit */
- ap->ops->bmdma_stop(qc);
-
- /* fall through */
-
- default:
- ata_altstatus(ap);
- drv_stat = ata_chk_status(ap);
-
- /* ack bmdma irq events */
- ap->ops->irq_clear(ap);
-
- ata_dev_printk(qc->dev, KERN_ERR, "command 0x%x timeout, "
- "stat 0x%x host_stat 0x%x\n",
- qc->tf.command, drv_stat, host_stat);
-
- /* complete taskfile transaction */
- qc->err_mask |= AC_ERR_TIMEOUT;
- break;
- }
-
- spin_unlock_irqrestore(ap->lock, flags);
-
- ata_eh_qc_complete(qc);
-
- DPRINTK("EXIT\n");
-}
-
-/**
- * ata_eng_timeout - Handle timeout of queued command
- * @ap: Port on which timed-out command is active
- *
- * Some part of the kernel (currently, only the SCSI layer)
- * has noticed that the active command on port @ap has not
- * completed after a specified length of time. Handle this
- * condition by disabling DMA (if necessary) and completing
- * transactions, with error if necessary.
- *
- * This also handles the case of the "lost interrupt", where
- * for some reason (possibly hardware bug, possibly driver bug)
- * an interrupt was not delivered to the driver, even though the
- * transaction completed successfully.
- *
- * TODO: kill this function once old EH is gone.
- *
- * LOCKING:
- * Inherited from SCSI layer (none, can sleep)
- */
-void ata_eng_timeout(struct ata_port *ap)
-{
- DPRINTK("ENTER\n");
-
- ata_qc_timeout(ata_qc_from_tag(ap, ap->link.active_tag));
-
- DPRINTK("EXIT\n");
-}
-
static int ata_eh_nr_in_flight(struct ata_port *ap)
{
unsigned int tag;
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 94144ed50a6..a883bb03d4c 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -2485,11 +2485,40 @@ static unsigned int atapi_xlat(struct ata_queued_cmd *qc)
if (!using_pio && ata_check_atapi_dma(qc))
using_pio = 1;
- /* Some controller variants snoop this value for Packet transfers
- to do state machine and FIFO management. Thus we want to set it
- properly, and for DMA where it is effectively meaningless */
+ /* Some controller variants snoop this value for Packet
+ * transfers to do state machine and FIFO management. Thus we
+ * want to set it properly, and for DMA where it is
+ * effectively meaningless.
+ */
nbytes = min(qc->nbytes, (unsigned int)63 * 1024);
+ /* Most ATAPI devices which honor transfer chunk size don't
+ * behave according to the spec when odd chunk size which
+ * matches the transfer length is specified. If the number of
+ * bytes to transfer is 2n+1. According to the spec, what
+ * should happen is to indicate that 2n+1 is going to be
+ * transferred and transfer 2n+2 bytes where the last byte is
+ * padding.
+ *
+ * In practice, this doesn't happen. ATAPI devices first
+ * indicate and transfer 2n bytes and then indicate and
+ * transfer 2 bytes where the last byte is padding.
+ *
+ * This inconsistency confuses several controllers which
+ * perform PIO using DMA such as Intel AHCIs and sil3124/32.
+ * These controllers use actual number of transferred bytes to
+ * update DMA poitner and transfer of 4n+2 bytes make those
+ * controller push DMA pointer by 4n+4 bytes because SATA data
+ * FISes are aligned to 4 bytes. This causes data corruption
+ * and buffer overrun.
+ *
+ * Always setting nbytes to even number solves this problem
+ * because then ATAPI devices don't have to split data at 2n
+ * boundaries.
+ */
+ if (nbytes & 0x1)
+ nbytes++;
+
qc->tf.lbam = (nbytes & 0xFF);
qc->tf.lbah = (nbytes >> 8);
@@ -2869,7 +2898,8 @@ static inline int __ata_scsi_queuecmd(struct scsi_cmnd *scmd,
xlat_func = NULL;
if (likely((scsi_op != ATA_16) || !atapi_passthru16)) {
/* relay SCSI command to ATAPI device */
- if (unlikely(scmd->cmd_len > dev->cdb_len))
+ int len = COMMAND_SIZE(scsi_op);
+ if (unlikely(len > scmd->cmd_len || len > dev->cdb_len))
goto bad_cdb_len;
xlat_func = atapi_xlat;
diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c
index 364534e7aff..8caf9afc8b9 100644
--- a/drivers/ata/pata_ali.c
+++ b/drivers/ata/pata_ali.c
@@ -63,6 +63,9 @@ static int ali_cable_override(struct pci_dev *pdev)
/* Fujitsu P2000 */
if (pdev->subsystem_vendor == 0x10CF && pdev->subsystem_device == 0x10AF)
return 1;
+ /* Mitac 8317 (Winbook-A) and relatives */
+ if (pdev->subsystem_vendor == 0x1071 && pdev->subsystem_device == 0x8317)
+ return 1;
/* Systems by DMI */
if (dmi_check_system(cable_dmi_table))
return 1;
@@ -282,6 +285,21 @@ static void ali_lock_sectors(struct ata_device *adev)
adev->max_sectors = 255;
}
+/**
+ * ali_check_atapi_dma - DMA check for most ALi controllers
+ * @adev: Device
+ *
+ * Called to decide whether commands should be sent by DMA or PIO
+ */
+
+static int ali_check_atapi_dma(struct ata_queued_cmd *qc)
+{
+ /* If its not a media command, its not worth it */
+ if (qc->nbytes < 2048)
+ return -EOPNOTSUPP;
+ return 0;
+}
+
static struct scsi_host_template ali_sht = {
.module = THIS_MODULE,
.name = DRV_NAME,
@@ -378,6 +396,7 @@ static struct ata_port_operations ali_c2_port_ops = {
.mode_filter = ata_pci_default_filter,
.tf_load = ata_tf_load,
.tf_read = ata_tf_read,
+ .check_atapi_dma = ali_check_atapi_dma,
.check_status = ata_check_status,
.exec_command = ata_exec_command,
.dev_select = ata_std_dev_select,
@@ -415,6 +434,7 @@ static struct ata_port_operations ali_c5_port_ops = {
.mode_filter = ata_pci_default_filter,
.tf_load = ata_tf_load,
.tf_read = ata_tf_read,
+ .check_atapi_dma = ali_check_atapi_dma,
.check_status = ata_check_status,
.exec_command = ata_exec_command,
.dev_select = ata_std_dev_select,
diff --git a/drivers/ata/pata_bf54x.c b/drivers/ata/pata_bf54x.c
index b5e38426b81..81db405a544 100644
--- a/drivers/ata/pata_bf54x.c
+++ b/drivers/ata/pata_bf54x.c
@@ -1145,13 +1145,13 @@ static unsigned char bfin_bmdma_status(struct ata_port *ap)
unsigned short int_status = ATAPI_GET_INT_STATUS(base);
if (ATAPI_GET_STATUS(base) & (MULTI_XFER_ON|ULTRA_XFER_ON)) {
- host_stat = ATA_DMA_ACTIVE;
+ host_stat |= ATA_DMA_ACTIVE;
}
if (int_status & (MULTI_DONE_INT|UDMAIN_DONE_INT|UDMAOUT_DONE_INT)) {
- host_stat = ATA_DMA_INTR;
+ host_stat |= ATA_DMA_INTR;
}
if (int_status & (MULTI_TERM_INT|UDMAIN_TERM_INT|UDMAOUT_TERM_INT)) {
- host_stat = ATA_DMA_ERR;
+ host_stat |= ATA_DMA_ERR;
}
return host_stat;
diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c
index 3816b8605e0..46dc70e0dee 100644
--- a/drivers/ata/pata_hpt37x.c
+++ b/drivers/ata/pata_hpt37x.c
@@ -329,7 +329,7 @@ static int hpt37x_pre_reset(struct ata_link *link, unsigned long deadline)
/* Restore state */
pci_write_config_byte(pdev, 0x5B, scr2);
- if (ata66 & (1 << ap->port_no))
+ if (ata66 & (2 >> ap->port_no))
ap->cbl = ATA_CBL_PATA40;
else
ap->cbl = ATA_CBL_PATA80;
diff --git a/drivers/ata/pata_isapnp.c b/drivers/ata/pata_isapnp.c
index 88ab0e1d353..4320e798632 100644
--- a/drivers/ata/pata_isapnp.c
+++ b/drivers/ata/pata_isapnp.c
@@ -75,13 +75,16 @@ static int isapnp_init_one(struct pnp_dev *idev, const struct pnp_device_id *dev
struct ata_host *host;
struct ata_port *ap;
void __iomem *cmd_addr, *ctl_addr;
+ int irq = 0;
+ irq_handler_t handler = NULL;
if (pnp_port_valid(idev, 0) == 0)
return -ENODEV;
- /* FIXME: Should selected polled PIO here not fail */
- if (pnp_irq_valid(idev, 0) == 0)
- return -ENODEV;
+ if (pnp_irq_valid(idev, 0)) {
+ irq = pnp_irq(idev, 0);
+ handler = ata_interrupt;
+ }
/* allocate host */
host = ata_host_alloc(&idev->dev, 1);
@@ -115,7 +118,7 @@ static int isapnp_init_one(struct pnp_dev *idev, const struct pnp_device_id *dev
(unsigned long long)pnp_port_start(idev, 1));
/* activate */
- return ata_host_activate(host, pnp_irq(idev, 0), ata_interrupt, 0,
+ return ata_host_activate(host, irq, handler, 0,
&isapnp_sht);
}
diff --git a/drivers/ata/pata_jmicron.c b/drivers/ata/pata_jmicron.c
index 225a7223a72..5b8174d9406 100644
--- a/drivers/ata/pata_jmicron.c
+++ b/drivers/ata/pata_jmicron.c
@@ -80,11 +80,10 @@ static int jmicron_pre_reset(struct ata_link *link, unsigned long deadline)
* actually do our cable checking etc. Thankfully we don't need
* to do the plumbing for other cases.
*/
- switch (port_map[port])
- {
+ switch (port_map[port]) {
case PORT_PATA0:
- if (control & (1 << 5))
- return 0;
+ if ((control & (1 << 5)) == 0)
+ return -ENOENT;
if (control & (1 << 3)) /* 40/80 pin primary */
ap->cbl = ATA_CBL_PATA40;
else
@@ -93,7 +92,7 @@ static int jmicron_pre_reset(struct ata_link *link, unsigned long deadline)
case PORT_PATA1:
/* Bit 21 is set if the port is enabled */
if ((control5 & (1 << 21)) == 0)
- return 0;
+ return -ENOENT;
if (control5 & (1 << 19)) /* 40/80 pin secondary */
ap->cbl = ATA_CBL_PATA40;
else
diff --git a/drivers/ata/pata_sil680.c b/drivers/ata/pata_sil680.c
index 5c1e9cb59ec..503245a1eaf 100644
--- a/drivers/ata/pata_sil680.c
+++ b/drivers/ata/pata_sil680.c
@@ -33,7 +33,7 @@
#include <linux/libata.h>
#define DRV_NAME "pata_sil680"
-#define DRV_VERSION "0.4.7"
+#define DRV_VERSION "0.4.8"
#define SIL680_MMIO_BAR 5
@@ -94,34 +94,6 @@ static int sil680_cable_detect(struct ata_port *ap) {
}
/**
- * sil680_bus_reset - reset the SIL680 bus
- * @link: ATA link 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_link *link, unsigned int *classes,
- unsigned long deadline)
-{
- struct ata_port *ap = link->ap;
- struct pci_dev *pdev = to_pci_dev(ap->host->dev);
- unsigned long addr = sil680_selreg(ap, 0);
- u8 reset;
-
- pci_read_config_byte(pdev, addr, &reset);
- pci_write_config_byte(pdev, addr, reset | 0x03);
- udelay(25);
- pci_write_config_byte(pdev, addr, reset);
- return ata_std_softreset(link, classes, deadline);
-}
-
-static void sil680_error_handler(struct ata_port *ap)
-{
- ata_bmdma_drive_eh(ap, ata_std_prereset, sil680_bus_reset, NULL, ata_std_postreset);
-}
-
-/**
* sil680_set_piomode - set initial PIO mode data
* @ap: ATA interface
* @adev: ATA device
@@ -249,7 +221,7 @@ static struct ata_port_operations sil680_port_ops = {
.freeze = ata_bmdma_freeze,
.thaw = ata_bmdma_thaw,
- .error_handler = sil680_error_handler,
+ .error_handler = ata_bmdma_error_handler,
.post_internal_cmd = ata_bmdma_post_internal_cmd,
.cable_detect = sil680_cable_detect,
diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c
index 3b5be77e861..87546d9f1ca 100644
--- a/drivers/ata/pata_sis.c
+++ b/drivers/ata/pata_sis.c
@@ -55,6 +55,7 @@ static const struct sis_laptop sis_laptop[] = {
/* devid, subvendor, subdev */
{ 0x5513, 0x1043, 0x1107 }, /* ASUS A6K */
{ 0x5513, 0x1734, 0x105F }, /* FSC Amilo A1630 */
+ { 0x5513, 0x1071, 0x8640 }, /* EasyNote K5305 */
/* end marker */
{ 0, }
};
diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c
index 187dcb02c68..96fd5260446 100644
--- a/drivers/ata/sata_sil24.c
+++ b/drivers/ata/sata_sil24.c
@@ -63,6 +63,21 @@ enum {
SIL24_HOST_BAR = 0,
SIL24_PORT_BAR = 2,
+ /* sil24 fetches in chunks of 64bytes. The first block
+ * contains the PRB and two SGEs. From the second block, it's
+ * consisted of four SGEs and called SGT. Calculate the
+ * number of SGTs that fit into one page.
+ */
+ SIL24_PRB_SZ = sizeof(struct sil24_prb)
+ + 2 * sizeof(struct sil24_sge),
+ SIL24_MAX_SGT = (PAGE_SIZE - SIL24_PRB_SZ)
+ / (4 * sizeof(struct sil24_sge)),
+
+ /* This will give us one unused SGEs for ATA. This extra SGE
+ * will be used to store CDB for ATAPI devices.
+ */
+ SIL24_MAX_SGE = 4 * SIL24_MAX_SGT + 1,
+
/*
* Global controller registers (128 bytes @ BAR0)
*/
@@ -247,13 +262,13 @@ enum {
struct sil24_ata_block {
struct sil24_prb prb;
- struct sil24_sge sge[LIBATA_MAX_PRD];
+ struct sil24_sge sge[SIL24_MAX_SGE];
};
struct sil24_atapi_block {
struct sil24_prb prb;
u8 cdb[16];
- struct sil24_sge sge[LIBATA_MAX_PRD - 1];
+ struct sil24_sge sge[SIL24_MAX_SGE];
};
union sil24_cmd_block {
@@ -378,7 +393,7 @@ static struct scsi_host_template sil24_sht = {
.change_queue_depth = ata_scsi_change_queue_depth,
.can_queue = SIL24_MAX_CMDS,
.this_id = ATA_SHT_THIS_ID,
- .sg_tablesize = LIBATA_MAX_PRD,
+ .sg_tablesize = SIL24_MAX_SGE,
.cmd_per_lun = ATA_SHT_CMD_PER_LUN,
.emulated = ATA_SHT_EMULATED,
.use_clustering = ATA_SHT_USE_CLUSTERING,
@@ -1284,6 +1299,7 @@ static void sil24_init_controller(struct ata_host *host)
static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
+ extern int __MARKER__sil24_cmd_block_is_sized_wrongly;
static int printed_version;
struct ata_port_info pi = sil24_port_info[ent->driver_data];
const struct ata_port_info *ppi[] = { &pi, NULL };
@@ -1292,6 +1308,10 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
int i, rc;
u32 tmp;
+ /* cause link error if sil24_cmd_block is sized wrongly */
+ if (sizeof(union sil24_cmd_block) != PAGE_SIZE)
+ __MARKER__sil24_cmd_block_is_sized_wrongly = 1;
+
if (!printed_version++)
dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 56a5673aeba..ef52a07c43d 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -340,6 +340,7 @@ enum {
ATA_HORKAGE_HPA_SIZE = (1 << 6), /* native size off by one */
ATA_HORKAGE_IPM = (1 << 7), /* Link PM problems */
ATA_HORKAGE_IVB = (1 << 8), /* cbl det validity bit bugs */
+ ATA_HORKAGE_STUCK_ERR = (1 << 9), /* stuck ERR on next PACKET */
/* DMA mask for user DMA control: User visible values; DO NOT
renumber */
@@ -771,8 +772,6 @@ static inline int ata_port_is_dummy(struct ata_port *ap)
extern void sata_print_link_status(struct ata_link *link);
extern void ata_port_probe(struct ata_port *);
-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_link *link);
extern int sata_link_debounce(struct ata_link *link,
@@ -994,8 +993,6 @@ extern void sata_pmp_do_eh(struct ata_port *ap,
/*
* EH
*/
-extern void ata_eng_timeout(struct ata_port *ap);
-
extern void ata_port_schedule_eh(struct ata_port *ap);
extern int ata_link_abort(struct ata_link *link);
extern int ata_port_abort(struct ata_port *ap);