dma-mapping: replace all DMA_64BIT_MASK macro with DMA_BIT_MASK(64)
Replace all DMA_64BIT_MASK macro with DMA_BIT_MASK(64)
Signed-off-by: Yang Hongyang<yanghy@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index a09e3a7..d08475a 100644
--- a/drivers/net/8139cp.c
+++ b/drivers/net/8139cp.c
@@ -1929,8 +1929,8 @@
/* Configure DMA attributes. */
if ((sizeof(dma_addr_t) > 4) &&
- !pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) &&
- !pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
+ !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) &&
+ !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
pci_using_dac = 1;
} else {
pci_using_dac = 0;
diff --git a/drivers/net/acenic.c b/drivers/net/acenic.c
index 06a9f11..9509c17 100644
--- a/drivers/net/acenic.c
+++ b/drivers/net/acenic.c
@@ -1161,7 +1161,7 @@
/*
* Configure DMA attributes.
*/
- if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
+ if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
ap->pci_using_dac = 1;
} else if (!pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
ap->pci_using_dac = 0;
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 17cbc8c..aa75a4b 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -7527,7 +7527,7 @@
if (CHIP_NUM(bp) == CHIP_NUM_5708)
persist_dma_mask = dma_mask = DMA_40BIT_MASK;
else
- persist_dma_mask = dma_mask = DMA_64BIT_MASK;
+ persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
/* Configure DMA attributes. */
if (pci_set_dma_mask(pdev, dma_mask) == 0) {
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index 00a78e8..03e0124 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -10979,9 +10979,9 @@
goto err_out_release;
}
- if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
+ if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) == 0) {
bp->flags |= USING_DAC_FLAG;
- if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
+ if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) {
printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
" failed, aborting\n");
rc = -EIO;
diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c
index 0effefa..c289524 100644
--- a/drivers/net/cassini.c
+++ b/drivers/net/cassini.c
@@ -5074,10 +5074,10 @@
/* Configure DMA attributes. */
- if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
+ if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
pci_using_dac = 1;
err = pci_set_consistent_dma_mask(pdev,
- DMA_64BIT_MASK);
+ DMA_BIT_MASK(64));
if (err < 0) {
dev_err(&pdev->dev, "Unable to obtain 64-bit DMA "
"for consistent allocations\n");
diff --git a/drivers/net/chelsio/cxgb2.c b/drivers/net/chelsio/cxgb2.c
index 9b6011e..57cfbc3 100644
--- a/drivers/net/chelsio/cxgb2.c
+++ b/drivers/net/chelsio/cxgb2.c
@@ -1056,10 +1056,10 @@
goto out_disable_pdev;
}
- if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
+ if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
pci_using_dac = 1;
- if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) {
+ if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) {
CH_ERR("%s: unable to obtain 64-bit DMA for "
"consistent allocations\n", pci_name(pdev));
err = -ENODEV;
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index 2c2aaa7..ec35d3b 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -3038,9 +3038,9 @@
goto out_release_regions;
}
- if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
+ if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
pci_using_dac = 1;
- err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
+ err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
if (err) {
dev_err(&pdev->dev, "unable to obtain 64-bit DMA for "
"coherent allocations\n");
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index a65023d..caa71df 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -962,8 +962,8 @@
if (err)
return err;
- if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK) &&
- !pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) {
+ if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
+ !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) {
pci_using_dac = 1;
} else {
err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index bfb2d6c..4a61160 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -4763,9 +4763,9 @@
return err;
pci_using_dac = 0;
- err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
+ err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
if (!err) {
- err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
+ err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
if (!err)
pci_using_dac = 1;
} else {
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 03aa959..82278be 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -1154,9 +1154,9 @@
return err;
pci_using_dac = 0;
- err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
+ err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
if (!err) {
- err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
+ err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
if (!err)
pci_using_dac = 1;
} else {
diff --git a/drivers/net/ioc3-eth.c b/drivers/net/ioc3-eth.c
index 170b12d..43be0b0 100644
--- a/drivers/net/ioc3-eth.c
+++ b/drivers/net/ioc3-eth.c
@@ -1226,10 +1226,10 @@
int err, pci_using_dac;
/* Configure DMA attributes. */
- err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
+ err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
if (!err) {
pci_using_dac = 1;
- err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
+ err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
if (err < 0) {
printk(KERN_ERR "%s: Unable to obtain 64 bit DMA "
"for consistent allocations\n", pci_name(pdev));
diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
index 4b0ea66..0ac5175 100644
--- a/drivers/net/ixgb/ixgb_main.c
+++ b/drivers/net/ixgb/ixgb_main.c
@@ -365,8 +365,8 @@
if (err)
return err;
- if (!(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK)) &&
- !(err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK))) {
+ if (!(err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) &&
+ !(err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))) {
pci_using_dac = 1;
} else {
if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) ||
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 286ecc0..126735c 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -4509,8 +4509,8 @@
if (err)
return err;
- if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK) &&
- !pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK)) {
+ if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
+ !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) {
pci_using_dac = 1;
} else {
err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index a66f5b2..fed53fb 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -1076,7 +1076,7 @@
pci_set_master(pdev);
- err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
+ err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
if (err) {
dev_warn(&pdev->dev, "Warning: couldn't set 64-bit PCI DMA mask.\n");
err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
@@ -1085,7 +1085,7 @@
goto err_release_bar2;
}
}
- err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
+ err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
if (err) {
dev_warn(&pdev->dev, "Warning: couldn't set 64-bit "
"consistent PCI DMA mask.\n");
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index aea9fda..2765546 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -3792,7 +3792,7 @@
pci_set_master(pdev);
dac_enabled = 1;
- status = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
+ status = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
if (status != 0) {
dac_enabled = 0;
dev_err(&pdev->dev,
@@ -3804,7 +3804,7 @@
dev_err(&pdev->dev, "Error %d setting DMA mask\n", status);
goto abort_with_enabled;
}
- (void)pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
+ (void)pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
mgp->cmd = dma_alloc_coherent(&pdev->dev, sizeof(*mgp->cmd),
&mgp->cmd_bus, GFP_KERNEL);
if (mgp->cmd == NULL)
diff --git a/drivers/net/ns83820.c b/drivers/net/ns83820.c
index 221b0c4..e30ab06 100644
--- a/drivers/net/ns83820.c
+++ b/drivers/net/ns83820.c
@@ -1973,7 +1973,7 @@
/* See if we can set the dma mask early on; failure is fatal. */
if (sizeof(dma_addr_t) == 8 &&
- !pci_set_dma_mask(pci_dev, DMA_64BIT_MASK)) {
+ !pci_set_dma_mask(pci_dev, DMA_BIT_MASK(64))) {
using_dac = 1;
} else if (!pci_set_dma_mask(pci_dev, DMA_32BIT_MASK)) {
using_dac = 0;
diff --git a/drivers/net/qla3xxx.c b/drivers/net/qla3xxx.c
index 8b2823c..aef047e 100644
--- a/drivers/net/qla3xxx.c
+++ b/drivers/net/qla3xxx.c
@@ -3934,9 +3934,9 @@
pci_set_master(pdev);
- if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
+ if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
pci_using_dac = 1;
- err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
+ err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
} else if (!(err = pci_set_dma_mask(pdev, DMA_32BIT_MASK))) {
pci_using_dac = 0;
err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index 170d354..0add30d 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -3726,9 +3726,9 @@
}
pci_set_master(pdev);
- if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
+ if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
set_bit(QL_DMA64, &qdev->flags);
- err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
+ err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
} else {
err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
if (!err)
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index e1a638a..fe676d3 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -2046,7 +2046,7 @@
tp->cp_cmd = PCIMulRW | RxChkSum;
if ((sizeof(dma_addr_t) > 4) &&
- !pci_set_dma_mask(pdev, DMA_64BIT_MASK) && use_dac) {
+ !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
tp->cp_cmd |= PCIDAC;
dev->features |= NETIF_F_HIGHDMA;
} else {
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index 16868b7..7c8d561 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -7775,11 +7775,11 @@
return ret;
}
- if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
+ if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
DBG_PRINT(INIT_DBG, "s2io_init_nic: Using 64bit DMA\n");
dma_flag = TRUE;
if (pci_set_consistent_dma_mask
- (pdev, DMA_64BIT_MASK)) {
+ (pdev, DMA_BIT_MASK(64))) {
DBG_PRINT(ERR_DBG,
"Unable to obtain 64bit DMA for \
consistent allocations\n");
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 952d37f..18a7b66 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -3912,9 +3912,9 @@
pci_set_master(pdev);
- if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
+ if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
using_dac = 1;
- err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
+ err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
} else if (!(err = pci_set_dma_mask(pdev, DMA_32BIT_MASK))) {
using_dac = 0;
err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index d01c56e..da570f4 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -4374,9 +4374,9 @@
pci_set_master(pdev);
if (sizeof(dma_addr_t) > sizeof(u32) &&
- !(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK))) {
+ !(err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)))) {
using_dac = 1;
- err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
+ err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
if (err < 0) {
dev_err(&pdev->dev, "unable to obtain 64 bit DMA "
"for consistent allocations\n");
diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c
index c024352..2312d10 100644
--- a/drivers/net/sungem.c
+++ b/drivers/net/sungem.c
@@ -3042,7 +3042,7 @@
*/
if (pdev->vendor == PCI_VENDOR_ID_SUN &&
pdev->device == PCI_DEVICE_ID_SUN_GEM &&
- !pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
+ !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
pci_using_dac = 1;
} else {
err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
diff --git a/drivers/net/tehuti.c b/drivers/net/tehuti.c
index 7debd1e..d77a091 100644
--- a/drivers/net/tehuti.c
+++ b/drivers/net/tehuti.c
@@ -1941,8 +1941,8 @@
if ((err = pci_enable_device(pdev))) /* it trigers interrupt, dunno why. */
goto err_pci; /* it's not a problem though */
- if (!(err = pci_set_dma_mask(pdev, DMA_64BIT_MASK)) &&
- !(err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK))) {
+ if (!(err = pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) &&
+ !(err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)))) {
pci_using_dac = 1;
} else {
if ((err = pci_set_dma_mask(pdev, DMA_32BIT_MASK)) ||
diff --git a/drivers/net/tehuti.h b/drivers/net/tehuti.h
index dec67e0..121dda9 100644
--- a/drivers/net/tehuti.h
+++ b/drivers/net/tehuti.h
@@ -31,6 +31,7 @@
#include <linux/vmalloc.h>
#include <linux/firmware.h>
#include <asm/byteorder.h>
+#include <linux/dma-mapping.h>
/* Compile Time Switches */
/* start */
@@ -98,10 +99,6 @@
#define READ_REG(pp, reg) readl(pp->pBdxRegs + reg)
#define WRITE_REG(pp, reg, val) writel(val, pp->pBdxRegs + reg)
-#ifndef DMA_64BIT_MASK
-# define DMA_64BIT_MASK 0xffffffffffffffffULL
-#endif
-
#ifndef DMA_32BIT_MASK
# define DMA_32BIT_MASK 0x00000000ffffffffULL
#endif
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 437683a..ec32e5f 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -13232,10 +13232,10 @@
else if (tp->tg3_flags & TG3_FLAG_40BIT_DMA_BUG) {
persist_dma_mask = dma_mask = DMA_40BIT_MASK;
#ifdef CONFIG_HIGHMEM
- dma_mask = DMA_64BIT_MASK;
+ dma_mask = DMA_BIT_MASK(64);
#endif
} else
- persist_dma_mask = dma_mask = DMA_64BIT_MASK;
+ persist_dma_mask = dma_mask = DMA_BIT_MASK(64);
/* Configure DMA attributes. */
if (dma_mask > DMA_32BIT_MASK) {
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 659654f..f3a2fce 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1180,7 +1180,7 @@
#if 0
// dma_supported() is deeply broken on almost all architectures
// possible with some EHCI controllers
- if (dma_supported (&udev->dev, DMA_64BIT_MASK))
+ if (dma_supported (&udev->dev, DMA_BIT_MASK(64)))
net->features |= NETIF_F_HIGHDMA;
#endif
diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index 0cc804d..461d680 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -772,7 +772,7 @@
tmp = b43_read32(dev, SSB_TMSHIGH);
if (tmp & SSB_TMSHIGH_DMA64)
- return DMA_64BIT_MASK;
+ return DMA_BIT_MASK(64);
mmio_base = b43_dmacontroller_base(0, 0);
b43_write32(dev, mmio_base + B43_DMA32_TXCTL, B43_DMA32_TXADDREXT_MASK);
tmp = b43_read32(dev, mmio_base + B43_DMA32_TXCTL);
@@ -788,7 +788,7 @@
return B43_DMA_30BIT;
if (dmamask == DMA_32BIT_MASK)
return B43_DMA_32BIT;
- if (dmamask == DMA_64BIT_MASK)
+ if (dmamask == DMA_BIT_MASK(64))
return B43_DMA_64BIT;
B43_WARN_ON(1);
return B43_DMA_30BIT;
@@ -999,7 +999,7 @@
err = ssb_dma_set_mask(dev->dev, mask);
if (!err)
break;
- if (mask == DMA_64BIT_MASK) {
+ if (mask == DMA_BIT_MASK(64)) {
mask = DMA_32BIT_MASK;
fallback = 1;
continue;
diff --git a/drivers/net/wireless/b43legacy/dma.c b/drivers/net/wireless/b43legacy/dma.c
index 3649fc3..61bb912 100644
--- a/drivers/net/wireless/b43legacy/dma.c
+++ b/drivers/net/wireless/b43legacy/dma.c
@@ -846,7 +846,7 @@
tmp = b43legacy_read32(dev, SSB_TMSHIGH);
if (tmp & SSB_TMSHIGH_DMA64)
- return DMA_64BIT_MASK;
+ return DMA_BIT_MASK(64);
mmio_base = b43legacy_dmacontroller_base(0, 0);
b43legacy_write32(dev,
mmio_base + B43legacy_DMA32_TXCTL,
@@ -865,7 +865,7 @@
return B43legacy_DMA_30BIT;
if (dmamask == DMA_32BIT_MASK)
return B43legacy_DMA_32BIT;
- if (dmamask == DMA_64BIT_MASK)
+ if (dmamask == DMA_BIT_MASK(64))
return B43legacy_DMA_64BIT;
B43legacy_WARN_ON(1);
return B43legacy_DMA_30BIT;
@@ -1042,7 +1042,7 @@
err = ssb_dma_set_mask(dev->dev, mask);
if (!err)
break;
- if (mask == DMA_64BIT_MASK) {
+ if (mask == DMA_BIT_MASK(64)) {
mask = DMA_32BIT_MASK;
fallback = 1;
continue;
