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ANDROID: usb: host: add max packet parameter on alloc_transfer_ring hook

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It needs to add max_packet parameter on alloc_transfer_ring.
It's used for setting ring->bounce_buf_len.

Bug: 183761108
Signed-off-by: Daehwan Jung <dh10.jung@samsung.com>
Change-Id: I2bd3ded9edf31d20b5f05c41828d5d6ccf6864e0
This commit is contained in:
Daehwan Jung
2021-04-01 15:25:20 +09:00
committed by Greg Kroah-Hartman
parent 3390f5d0dc
commit 9d10efa2a0
2 changed files with 5 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/usb/host/xhci-mem.c
View File

@@ -384,13 +384,13 @@ static void xhci_vendor_alloc_container_ctx(struct xhci_hcd *xhci, struct xhci_c
static struct xhci_ring *xhci_vendor_alloc_transfer_ring(struct xhci_hcd *xhci, static struct xhci_ring *xhci_vendor_alloc_transfer_ring(struct xhci_hcd *xhci,
u32 endpoint_type, enum xhci_ring_type ring_type, u32 endpoint_type, enum xhci_ring_type ring_type,
gfp_t mem_flags) unsigned int max_packet, gfp_t mem_flags)
{ {
struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci); struct xhci_vendor_ops *ops = xhci_vendor_get_ops(xhci);
if (ops && ops->alloc_transfer_ring) if (ops && ops->alloc_transfer_ring)
return ops->alloc_transfer_ring(xhci, endpoint_type, ring_type, return ops->alloc_transfer_ring(xhci, endpoint_type, ring_type,
mem_flags); max_packet, mem_flags);
return 0; return 0;
} }
@@ -1558,7 +1558,8 @@ int xhci_endpoint_init(struct xhci_hcd *xhci,
if (xhci_vendor_is_usb_offload_enabled(xhci, virt_dev, ep_index) && if (xhci_vendor_is_usb_offload_enabled(xhci, virt_dev, ep_index) &&
usb_endpoint_xfer_isoc(&ep->desc)) { usb_endpoint_xfer_isoc(&ep->desc)) {
virt_dev->eps[ep_index].new_ring = virt_dev->eps[ep_index].new_ring =
xhci_vendor_alloc_transfer_ring(xhci, endpoint_type, ring_type, mem_flags); xhci_vendor_alloc_transfer_ring(xhci, endpoint_type, ring_type,
max_packet, mem_flags);
} else { } else {
virt_dev->eps[ep_index].new_ring = virt_dev->eps[ep_index].new_ring =
xhci_ring_alloc(xhci, 2, 1, ring_type, max_packet, mem_flags); xhci_ring_alloc(xhci, 2, 1, ring_type, max_packet, mem_flags);

2
drivers/usb/host/xhci.h
View File

@@ -2239,7 +2239,7 @@ struct xhci_vendor_ops {
struct xhci_ring *(*alloc_transfer_ring)(struct xhci_hcd *xhci, struct xhci_ring *(*alloc_transfer_ring)(struct xhci_hcd *xhci,
u32 endpoint_type, enum xhci_ring_type ring_type, u32 endpoint_type, enum xhci_ring_type ring_type,
gfp_t mem_flags); unsigned int max_packet, gfp_t mem_flags);
void (*free_transfer_ring)(struct xhci_hcd *xhci, void (*free_transfer_ring)(struct xhci_hcd *xhci,
struct xhci_virt_device *virt_dev, unsigned int ep_index); struct xhci_virt_device *virt_dev, unsigned int ep_index);
int (*sync_dev_ctx)(struct xhci_hcd *xhci, unsigned int slot_id); int (*sync_dev_ctx)(struct xhci_hcd *xhci, unsigned int slot_id);