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-rw-r--r--drivers/dma/ioat/dca.c32
-rw-r--r--drivers/dma/ioat/dma.c12
-rw-r--r--drivers/dma/ioat/dma.h13
-rw-r--r--drivers/dma/ioat/dma_v2.c2
-rw-r--r--drivers/dma/ioat/dma_v2.h8
-rw-r--r--drivers/dma/ioat/dma_v3.c8
-rw-r--r--drivers/dma/ioat/pci.c11
7 files changed, 52 insertions, 34 deletions
diff --git a/drivers/dma/ioat/dca.c b/drivers/dma/ioat/dca.c
index abd9038e06b..9b041858d10 100644
--- a/drivers/dma/ioat/dca.c
+++ b/drivers/dma/ioat/dca.c
@@ -242,8 +242,7 @@ static struct dca_ops ioat_dca_ops = {
};
-struct dca_provider * __devinit
-ioat_dca_init(struct pci_dev *pdev, void __iomem *iobase)
+struct dca_provider *ioat_dca_init(struct pci_dev *pdev, void __iomem *iobase)
{
struct dca_provider *dca;
struct ioat_dca_priv *ioatdca;
@@ -408,8 +407,7 @@ static int ioat2_dca_count_dca_slots(void __iomem *iobase, u16 dca_offset)
return slots;
}
-struct dca_provider * __devinit
-ioat2_dca_init(struct pci_dev *pdev, void __iomem *iobase)
+struct dca_provider *ioat2_dca_init(struct pci_dev *pdev, void __iomem *iobase)
{
struct dca_provider *dca;
struct ioat_dca_priv *ioatdca;
@@ -604,8 +602,24 @@ static int ioat3_dca_count_dca_slots(void *iobase, u16 dca_offset)
return slots;
}
-struct dca_provider * __devinit
-ioat3_dca_init(struct pci_dev *pdev, void __iomem *iobase)
+static inline int dca3_tag_map_invalid(u8 *tag_map)
+{
+ /*
+ * If the tag map is not programmed by the BIOS the default is:
+ * 0x80 0x80 0x80 0x80 0x80 0x00 0x00 0x00
+ *
+ * This an invalid map and will result in only 2 possible tags
+ * 0x1F and 0x00. 0x00 is an invalid DCA tag so we know that
+ * this entire definition is invalid.
+ */
+ return ((tag_map[0] == DCA_TAG_MAP_VALID) &&
+ (tag_map[1] == DCA_TAG_MAP_VALID) &&
+ (tag_map[2] == DCA_TAG_MAP_VALID) &&
+ (tag_map[3] == DCA_TAG_MAP_VALID) &&
+ (tag_map[4] == DCA_TAG_MAP_VALID));
+}
+
+struct dca_provider *ioat3_dca_init(struct pci_dev *pdev, void __iomem *iobase)
{
struct dca_provider *dca;
struct ioat_dca_priv *ioatdca;
@@ -674,6 +688,12 @@ ioat3_dca_init(struct pci_dev *pdev, void __iomem *iobase)
ioatdca->tag_map[i] = bit & DCA_TAG_MAP_MASK;
}
+ if (dca3_tag_map_invalid(ioatdca->tag_map)) {
+ dev_err(&pdev->dev, "APICID_TAG_MAP set incorrectly by BIOS, disabling DCA\n");
+ free_dca_provider(dca);
+ return NULL;
+ }
+
err = register_dca_provider(dca, &pdev->dev);
if (err) {
free_dca_provider(dca);
diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c
index 73b2b65cb1d..1a68a8ba87e 100644
--- a/drivers/dma/ioat/dma.c
+++ b/drivers/dma/ioat/dma.c
@@ -782,7 +782,7 @@ static void ioat1_dma_start_null_desc(struct ioat_dma_chan *ioat)
*/
#define IOAT_TEST_SIZE 2000
-static void __devinit ioat_dma_test_callback(void *dma_async_param)
+static void ioat_dma_test_callback(void *dma_async_param)
{
struct completion *cmp = dma_async_param;
@@ -793,7 +793,7 @@ static void __devinit ioat_dma_test_callback(void *dma_async_param)
* ioat_dma_self_test - Perform a IOAT transaction to verify the HW works.
* @device: device to be tested
*/
-int __devinit ioat_dma_self_test(struct ioatdma_device *device)
+int ioat_dma_self_test(struct ioatdma_device *device)
{
int i;
u8 *src;
@@ -994,7 +994,7 @@ static void ioat_disable_interrupts(struct ioatdma_device *device)
writeb(0, device->reg_base + IOAT_INTRCTRL_OFFSET);
}
-int __devinit ioat_probe(struct ioatdma_device *device)
+int ioat_probe(struct ioatdma_device *device)
{
int err = -ENODEV;
struct dma_device *dma = &device->common;
@@ -1049,7 +1049,7 @@ err_dma_pool:
return err;
}
-int __devinit ioat_register(struct ioatdma_device *device)
+int ioat_register(struct ioatdma_device *device)
{
int err = dma_async_device_register(&device->common);
@@ -1183,7 +1183,7 @@ void ioat_kobject_del(struct ioatdma_device *device)
}
}
-int __devinit ioat1_dma_probe(struct ioatdma_device *device, int dca)
+int ioat1_dma_probe(struct ioatdma_device *device, int dca)
{
struct pci_dev *pdev = device->pdev;
struct dma_device *dma;
@@ -1216,7 +1216,7 @@ int __devinit ioat1_dma_probe(struct ioatdma_device *device, int dca)
return err;
}
-void __devexit ioat_dma_remove(struct ioatdma_device *device)
+void ioat_dma_remove(struct ioatdma_device *device)
{
struct dma_device *dma = &device->common;
diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h
index 5e8fe01ba69..087935f1565 100644
--- a/drivers/dma/ioat/dma.h
+++ b/drivers/dma/ioat/dma.h
@@ -303,13 +303,12 @@ static inline void ioat_unmap(struct pci_dev *pdev, dma_addr_t addr, size_t len,
pci_unmap_page(pdev, addr, len, direction);
}
-int __devinit ioat_probe(struct ioatdma_device *device);
-int __devinit ioat_register(struct ioatdma_device *device);
-int __devinit ioat1_dma_probe(struct ioatdma_device *dev, int dca);
-int __devinit ioat_dma_self_test(struct ioatdma_device *device);
-void __devexit ioat_dma_remove(struct ioatdma_device *device);
-struct dca_provider * __devinit ioat_dca_init(struct pci_dev *pdev,
- void __iomem *iobase);
+int ioat_probe(struct ioatdma_device *device);
+int ioat_register(struct ioatdma_device *device);
+int ioat1_dma_probe(struct ioatdma_device *dev, int dca);
+int ioat_dma_self_test(struct ioatdma_device *device);
+void ioat_dma_remove(struct ioatdma_device *device);
+struct dca_provider *ioat_dca_init(struct pci_dev *pdev, void __iomem *iobase);
dma_addr_t ioat_get_current_completion(struct ioat_chan_common *chan);
void ioat_init_channel(struct ioatdma_device *device,
struct ioat_chan_common *chan, int idx);
diff --git a/drivers/dma/ioat/dma_v2.c b/drivers/dma/ioat/dma_v2.c
index b9d66785144..82d4e306c32 100644
--- a/drivers/dma/ioat/dma_v2.c
+++ b/drivers/dma/ioat/dma_v2.c
@@ -862,7 +862,7 @@ struct kobj_type ioat2_ktype = {
.default_attrs = ioat2_attrs,
};
-int __devinit ioat2_dma_probe(struct ioatdma_device *device, int dca)
+int ioat2_dma_probe(struct ioatdma_device *device, int dca)
{
struct pci_dev *pdev = device->pdev;
struct dma_device *dma;
diff --git a/drivers/dma/ioat/dma_v2.h b/drivers/dma/ioat/dma_v2.h
index be2a55b95c2..e100f644e34 100644
--- a/drivers/dma/ioat/dma_v2.h
+++ b/drivers/dma/ioat/dma_v2.h
@@ -155,10 +155,10 @@ static inline void ioat2_set_chainaddr(struct ioat2_dma_chan *ioat, u64 addr)
chan->reg_base + IOAT2_CHAINADDR_OFFSET_HIGH);
}
-int __devinit ioat2_dma_probe(struct ioatdma_device *dev, int dca);
-int __devinit ioat3_dma_probe(struct ioatdma_device *dev, int dca);
-struct dca_provider * __devinit ioat2_dca_init(struct pci_dev *pdev, void __iomem *iobase);
-struct dca_provider * __devinit ioat3_dca_init(struct pci_dev *pdev, void __iomem *iobase);
+int ioat2_dma_probe(struct ioatdma_device *dev, int dca);
+int ioat3_dma_probe(struct ioatdma_device *dev, int dca);
+struct dca_provider *ioat2_dca_init(struct pci_dev *pdev, void __iomem *iobase);
+struct dca_provider *ioat3_dca_init(struct pci_dev *pdev, void __iomem *iobase);
int ioat2_check_space_lock(struct ioat2_dma_chan *ioat, int num_descs);
int ioat2_enumerate_channels(struct ioatdma_device *device);
struct dma_async_tx_descriptor *
diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
index f7f1dc62c15..e5fc944de1f 100644
--- a/drivers/dma/ioat/dma_v3.c
+++ b/drivers/dma/ioat/dma_v3.c
@@ -836,7 +836,7 @@ ioat3_prep_interrupt_lock(struct dma_chan *c, unsigned long flags)
return &desc->txd;
}
-static void __devinit ioat3_dma_test_callback(void *dma_async_param)
+static void ioat3_dma_test_callback(void *dma_async_param)
{
struct completion *cmp = dma_async_param;
@@ -844,7 +844,7 @@ static void __devinit ioat3_dma_test_callback(void *dma_async_param)
}
#define IOAT_NUM_SRC_TEST 6 /* must be <= 8 */
-static int __devinit ioat_xor_val_self_test(struct ioatdma_device *device)
+static int ioat_xor_val_self_test(struct ioatdma_device *device)
{
int i, src_idx;
struct page *dest;
@@ -1096,7 +1096,7 @@ out:
return err;
}
-static int __devinit ioat3_dma_self_test(struct ioatdma_device *device)
+static int ioat3_dma_self_test(struct ioatdma_device *device)
{
int rc = ioat_dma_self_test(device);
@@ -1187,7 +1187,7 @@ static bool is_snb_ioat(struct pci_dev *pdev)
}
}
-int __devinit ioat3_dma_probe(struct ioatdma_device *device, int dca)
+int ioat3_dma_probe(struct ioatdma_device *device, int dca)
{
struct pci_dev *pdev = device->pdev;
int dca_en = system_has_dca_enabled(pdev);
diff --git a/drivers/dma/ioat/pci.c b/drivers/dma/ioat/pci.c
index c0573061b45..4f686c527ab 100644
--- a/drivers/dma/ioat/pci.c
+++ b/drivers/dma/ioat/pci.c
@@ -109,9 +109,8 @@ static struct pci_device_id ioat_pci_tbl[] = {
};
MODULE_DEVICE_TABLE(pci, ioat_pci_tbl);
-static int __devinit ioat_pci_probe(struct pci_dev *pdev,
- const struct pci_device_id *id);
-static void __devexit ioat_remove(struct pci_dev *pdev);
+static int ioat_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id);
+static void ioat_remove(struct pci_dev *pdev);
static int ioat_dca_enabled = 1;
module_param(ioat_dca_enabled, int, 0644);
@@ -125,7 +124,7 @@ static struct pci_driver ioat_pci_driver = {
.name = DRV_NAME,
.id_table = ioat_pci_tbl,
.probe = ioat_pci_probe,
- .remove = __devexit_p(ioat_remove),
+ .remove = ioat_remove,
};
static struct ioatdma_device *
@@ -141,7 +140,7 @@ alloc_ioatdma(struct pci_dev *pdev, void __iomem *iobase)
return d;
}
-static int __devinit ioat_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+static int ioat_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
void __iomem * const *iomap;
struct device *dev = &pdev->dev;
@@ -195,7 +194,7 @@ static int __devinit ioat_pci_probe(struct pci_dev *pdev, const struct pci_devic
return 0;
}
-static void __devexit ioat_remove(struct pci_dev *pdev)
+static void ioat_remove(struct pci_dev *pdev)
{
struct ioatdma_device *device = pci_get_drvdata(pdev);