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-rw-r--r--drivers/usb/host/xhci-mem.c8
-rw-r--r--drivers/usb/host/xhci-pci.c7
-rw-r--r--drivers/usb/host/xhci.h1
3 files changed, 13 insertions, 3 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index a8e9a4bb1537..c4170421bc9c 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -2345,8 +2345,12 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
* and our use of dma addresses in the trb_address_map radix tree needs
* TRB_SEGMENT_SIZE alignment, so we pick the greater alignment need.
*/
- xhci->segment_pool = dma_pool_create("xHCI ring segments", dev,
- TRB_SEGMENT_SIZE, TRB_SEGMENT_SIZE, xhci->page_size);
+ if (xhci->quirks & XHCI_ZHAOXIN_TRB_FETCH)
+ xhci->segment_pool = dma_pool_create("xHCI ring segments", dev,
+ TRB_SEGMENT_SIZE * 2, TRB_SEGMENT_SIZE * 2, xhci->page_size * 2);
+ else
+ xhci->segment_pool = dma_pool_create("xHCI ring segments", dev,
+ TRB_SEGMENT_SIZE, TRB_SEGMENT_SIZE, xhci->page_size);
/* See Table 46 and Note on Figure 55 */
xhci->device_pool = dma_pool_create("xHCI input/output contexts", dev,
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 2103c6c0a967..3aad946bab68 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -522,8 +522,13 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
xhci->quirks |= XHCI_NO_SOFT_RETRY;
if (pdev->vendor == PCI_VENDOR_ID_ZHAOXIN) {
- if (pdev->device == 0x9202)
+ if (pdev->device == 0x9202) {
xhci->quirks |= XHCI_RESET_ON_RESUME;
+ xhci->quirks |= XHCI_ZHAOXIN_TRB_FETCH;
+ }
+
+ if (pdev->device == 0x9203)
+ xhci->quirks |= XHCI_ZHAOXIN_TRB_FETCH;
}
/* xHC spec requires PCI devices to support D3hot and D3cold */
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 456e1c8ca005..5a495126c8ba 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1904,6 +1904,7 @@ struct xhci_hcd {
#define XHCI_EP_CTX_BROKEN_DCS BIT_ULL(42)
#define XHCI_SUSPEND_RESUME_CLKS BIT_ULL(43)
#define XHCI_RESET_TO_DEFAULT BIT_ULL(44)
+#define XHCI_ZHAOXIN_TRB_FETCH BIT_ULL(45)
unsigned int num_active_eps;
unsigned int limit_active_eps;