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authorSebastian Andrzej Siewior <bigeasy@linutronix.de>2011-09-23 14:19:59 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2011-09-26 15:51:13 -0700
commit22d45f01a836c2f5826b8b4b9e029e5f79afec57 (patch)
treed7a8ea760ba9bf64c45beecc325d251e690d0111 /drivers/usb/host
parent421aa841a134f6a743111cf44d0c6d3b45e3cf8c (diff)
downloadlinux-22d45f01a836c2f5826b8b4b9e029e5f79afec57.tar.bz2
usb/xhci: replace pci_*_consistent() with dma_*_coherent()
pci_*_consistent() calls dma_*_coherent() with GFP_ATOMIC and requires pci_dev struct. This is a preparion for later where we no longer have the pci struct around. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host')
-rw-r--r--drivers/usb/host/xhci-mem.c38
1 files changed, 19 insertions, 19 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index a6ff8252699e..42a22b8e6922 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -317,7 +317,7 @@ static void xhci_free_stream_ctx(struct xhci_hcd *xhci,
struct pci_dev *pdev = to_pci_dev(xhci_to_hcd(xhci)->self.controller);
if (num_stream_ctxs > MEDIUM_STREAM_ARRAY_SIZE)
- pci_free_consistent(pdev,
+ dma_free_coherent(&pdev->dev,
sizeof(struct xhci_stream_ctx)*num_stream_ctxs,
stream_ctx, dma);
else if (num_stream_ctxs <= SMALL_STREAM_ARRAY_SIZE)
@@ -345,9 +345,9 @@ static struct xhci_stream_ctx *xhci_alloc_stream_ctx(struct xhci_hcd *xhci,
struct pci_dev *pdev = to_pci_dev(xhci_to_hcd(xhci)->self.controller);
if (num_stream_ctxs > MEDIUM_STREAM_ARRAY_SIZE)
- return pci_alloc_consistent(pdev,
+ return dma_alloc_coherent(&pdev->dev,
sizeof(struct xhci_stream_ctx)*num_stream_ctxs,
- dma);
+ dma, mem_flags);
else if (num_stream_ctxs <= SMALL_STREAM_ARRAY_SIZE)
return dma_pool_alloc(xhci->small_streams_pool,
mem_flags, dma);
@@ -1551,10 +1551,9 @@ static int scratchpad_alloc(struct xhci_hcd *xhci, gfp_t flags)
if (!xhci->scratchpad)
goto fail_sp;
- xhci->scratchpad->sp_array =
- pci_alloc_consistent(to_pci_dev(dev),
+ xhci->scratchpad->sp_array = dma_alloc_coherent(dev,
num_sp * sizeof(u64),
- &xhci->scratchpad->sp_dma);
+ &xhci->scratchpad->sp_dma, flags);
if (!xhci->scratchpad->sp_array)
goto fail_sp2;
@@ -1571,8 +1570,8 @@ static int scratchpad_alloc(struct xhci_hcd *xhci, gfp_t flags)
xhci->dcbaa->dev_context_ptrs[0] = cpu_to_le64(xhci->scratchpad->sp_dma);
for (i = 0; i < num_sp; i++) {
dma_addr_t dma;
- void *buf = pci_alloc_consistent(to_pci_dev(dev),
- xhci->page_size, &dma);
+ void *buf = dma_alloc_coherent(dev, xhci->page_size, &dma,
+ flags);
if (!buf)
goto fail_sp5;
@@ -1585,7 +1584,7 @@ static int scratchpad_alloc(struct xhci_hcd *xhci, gfp_t flags)
fail_sp5:
for (i = i - 1; i >= 0; i--) {
- pci_free_consistent(to_pci_dev(dev), xhci->page_size,
+ dma_free_coherent(dev, xhci->page_size,
xhci->scratchpad->sp_buffers[i],
xhci->scratchpad->sp_dma_buffers[i]);
}
@@ -1595,7 +1594,7 @@ static int scratchpad_alloc(struct xhci_hcd *xhci, gfp_t flags)
kfree(xhci->scratchpad->sp_buffers);
fail_sp3:
- pci_free_consistent(to_pci_dev(dev), num_sp * sizeof(u64),
+ dma_free_coherent(dev, num_sp * sizeof(u64),
xhci->scratchpad->sp_array,
xhci->scratchpad->sp_dma);
@@ -1619,13 +1618,13 @@ static void scratchpad_free(struct xhci_hcd *xhci)
num_sp = HCS_MAX_SCRATCHPAD(xhci->hcs_params2);
for (i = 0; i < num_sp; i++) {
- pci_free_consistent(pdev, xhci->page_size,
+ dma_free_coherent(&pdev->dev, xhci->page_size,
xhci->scratchpad->sp_buffers[i],
xhci->scratchpad->sp_dma_buffers[i]);
}
kfree(xhci->scratchpad->sp_dma_buffers);
kfree(xhci->scratchpad->sp_buffers);
- pci_free_consistent(pdev, num_sp * sizeof(u64),
+ dma_free_coherent(&pdev->dev, num_sp * sizeof(u64),
xhci->scratchpad->sp_array,
xhci->scratchpad->sp_dma);
kfree(xhci->scratchpad);
@@ -1701,7 +1700,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
}
size = sizeof(struct xhci_erst_entry)*(xhci->erst.num_entries);
if (xhci->erst.entries)
- pci_free_consistent(pdev, size,
+ dma_free_coherent(&pdev->dev, size,
xhci->erst.entries, xhci->erst.erst_dma_addr);
xhci->erst.entries = NULL;
xhci_dbg(xhci, "Freed ERST\n");
@@ -1741,7 +1740,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
xhci_write_64(xhci, 0, &xhci->op_regs->dcbaa_ptr);
if (xhci->dcbaa)
- pci_free_consistent(pdev, sizeof(*xhci->dcbaa),
+ dma_free_coherent(&pdev->dev, sizeof(*xhci->dcbaa),
xhci->dcbaa, xhci->dcbaa->dma);
xhci->dcbaa = NULL;
@@ -2197,8 +2196,8 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
* Section 5.4.8 - doorbell array must be
* "physically contiguous and 64-byte (cache line) aligned".
*/
- xhci->dcbaa = pci_alloc_consistent(to_pci_dev(dev),
- sizeof(*xhci->dcbaa), &dma);
+ xhci->dcbaa = dma_alloc_coherent(dev, sizeof(*xhci->dcbaa), &dma,
+ GFP_KERNEL);
if (!xhci->dcbaa)
goto fail;
memset(xhci->dcbaa, 0, sizeof *(xhci->dcbaa));
@@ -2232,7 +2231,7 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
dma_pool_create("xHCI 1KB stream ctx arrays",
dev, MEDIUM_STREAM_ARRAY_SIZE, 16, 0);
/* Any stream context array bigger than MEDIUM_STREAM_ARRAY_SIZE
- * will be allocated with pci_alloc_consistent()
+ * will be allocated with dma_alloc_coherent()
*/
if (!xhci->small_streams_pool || !xhci->medium_streams_pool)
@@ -2277,8 +2276,9 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
if (xhci_check_trb_in_td_math(xhci, flags) < 0)
goto fail;
- xhci->erst.entries = pci_alloc_consistent(to_pci_dev(dev),
- sizeof(struct xhci_erst_entry)*ERST_NUM_SEGS, &dma);
+ xhci->erst.entries = dma_alloc_coherent(dev,
+ sizeof(struct xhci_erst_entry) * ERST_NUM_SEGS, &dma,
+ GFP_KERNEL);
if (!xhci->erst.entries)
goto fail;
xhci_dbg(xhci, "// Allocated event ring segment table at 0x%llx\n",