[git patches] libata fixes

From: Jeff Garzik
Date: Tue Jan 13 2009 - 10:39:49 EST



Please pull from 'upstream-linus' branch of
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev.git upstream-linus

to receive the following updates:

drivers/ata/libata-sff.c | 9 ++++++---
drivers/ata/pata_it821x.c | 17 +++++++++++++----
2 files changed, 19 insertions(+), 7 deletions(-)

Alan Cox (1):
pata_it821x: Update RDC UDMA handling

Christian Borntraeger (1):
ata: fix wrong WARN_ON_ONCE

diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 0eae9b4..5a4aad1 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -1013,9 +1013,12 @@ next_sg:
qc->cursg_ofs = 0;
}

- /* consumed can be larger than count only for the last transfer */
- WARN_ON_ONCE(qc->cursg && count != consumed);
-
+ /*
+ * There used to be a WARN_ON_ONCE(qc->cursg && count != consumed);
+ * Unfortunately __atapi_pio_bytes doesn't know enough to do the WARN
+ * check correctly as it doesn't know if it is the last request being
+ * made. Somebody should implement a proper sanity check.
+ */
if (bytes)
goto next_sg;
return 0;
diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c
index f828a29..f1bb2f9 100644
--- a/drivers/ata/pata_it821x.c
+++ b/drivers/ata/pata_it821x.c
@@ -80,7 +80,7 @@


#define DRV_NAME "pata_it821x"
-#define DRV_VERSION "0.4.0"
+#define DRV_VERSION "0.4.2"

struct it821x_dev
{
@@ -494,8 +494,6 @@ static int it821x_smart_set_mode(struct ata_link *link, struct ata_device **unus
* special. In our case we need to lock the sector count to avoid
* blowing the brains out of the firmware with large LBA48 requests
*
- * FIXME: When FUA appears we need to block FUA too. And SMART and
- * basically we need to filter commands for this chip.
*/

static void it821x_dev_config(struct ata_device *adev)
@@ -890,6 +888,13 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
.flags = ATA_FLAG_SLAVE_POSS,
.pio_mask = 0x1f,
.mwdma_mask = 0x07,
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &it821x_rdc_port_ops
+ };
+ static const struct ata_port_info info_rdc_11 = {
+ .flags = ATA_FLAG_SLAVE_POSS,
+ .pio_mask = 0x1f,
+ .mwdma_mask = 0x07,
/* No UDMA */
.port_ops = &it821x_rdc_port_ops
};
@@ -903,7 +908,11 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
return rc;

if (pdev->vendor == PCI_VENDOR_ID_RDC) {
- ppi[0] = &info_rdc;
+ /* Deal with Vortex86SX */
+ if (pdev->revision == 0x11)
+ ppi[0] = &info_rdc_11;
+ else
+ ppi[0] = &info_rdc;
} else {
/* Force the card into bypass mode if so requested */
if (it8212_noraid) {
--
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