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authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-13 08:17:41 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-13 08:17:41 -0800
commit51eb9ab91abc9c384118b1d947e4b99cc2bc5fc5 (patch)
treec34c42989947ef97adb669fb36153951ea2e2f86 /drivers
parentPrevent oops at boot with VT-d (diff)
parentpata_it821x: Update RDC UDMA handling (diff)
downloadlinux-dev-51eb9ab91abc9c384118b1d947e4b99cc2bc5fc5.tar.xz
linux-dev-51eb9ab91abc9c384118b1d947e4b99cc2bc5fc5.zip
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: pata_it821x: Update RDC UDMA handling ata: fix wrong WARN_ON_ONCE
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ata/libata-sff.c9
-rw-r--r--drivers/ata/pata_it821x.c17
2 files changed, 19 insertions, 7 deletions
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 0eae9b453556..5a4aad123c42 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 f828a29d7756..f1bb2f9fecbf 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) {