Rather than getting this directly from struct usb_device, call a function
to obtain it. This will make it possible for driver model to provide it
another way.
Signed-off-by: Simon Glass <s...@chromium.org>
---
Changes in v2: None
drivers/usb/host/xhci-ring.c | 8 ++++----
drivers/usb/host/xhci.c | 19 ++++++++++++-------
drivers/usb/host/xhci.h | 2 ++
3 files changed, 18 insertions(+), 11 deletions(-)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index b5aade9..246b697 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -353,7 +353,7 @@ static void giveback_first_trb(struct usb_device *udev, int
ep_index,
int start_cycle,
struct xhci_generic_trb *start_trb)
{
- struct xhci_ctrl *ctrl = udev->controller;
+ struct xhci_ctrl *ctrl = xhci_get_ctrl(udev);
/*
* Pass all the TRBs to the hardware at once and make sure this write
@@ -477,7 +477,7 @@ union xhci_trb *xhci_wait_for_event(struct xhci_ctrl *ctrl,
trb_type expected)
*/
static void abort_td(struct usb_device *udev, int ep_index)
{
- struct xhci_ctrl *ctrl = udev->controller;
+ struct xhci_ctrl *ctrl = xhci_get_ctrl(udev);
struct xhci_ring *ring = ctrl->devs[udev->slot_id]->eps[ep_index].ring;
union xhci_trb *event;
u32 field;
@@ -554,7 +554,7 @@ int xhci_bulk_tx(struct usb_device *udev, unsigned long
pipe,
int start_cycle;
u32 field = 0;
u32 length_field = 0;
- struct xhci_ctrl *ctrl = udev->controller;
+ struct xhci_ctrl *ctrl = xhci_get_ctrl(udev);
int slot_id = udev->slot_id;
int ep_index;
struct xhci_virt_device *virt_dev;
@@ -748,7 +748,7 @@ int xhci_ctrl_tx(struct usb_device *udev, unsigned long
pipe,
u32 length_field;
u64 buf_64 = 0;
struct xhci_generic_trb *start_trb;
- struct xhci_ctrl *ctrl = udev->controller;
+ struct xhci_ctrl *ctrl = xhci_get_ctrl(udev);
int slot_id = udev->slot_id;
int ep_index;
u32 trb_fields[4];
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 87f2972..ab39878 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -110,6 +110,11 @@ static struct descriptor {
static struct xhci_ctrl xhcic[CONFIG_USB_MAX_CONTROLLER_COUNT];
+struct xhci_ctrl *xhci_get_ctrl(struct usb_device *udev)
+{
+ return udev->controller;
+}
+
/**
* Waits for as per specified amount of time
* for the "result" to match with "done"
@@ -250,7 +255,7 @@ static int xhci_configure_endpoints(struct usb_device
*udev, bool ctx_change)
{
struct xhci_container_ctx *in_ctx;
struct xhci_virt_device *virt_dev;
- struct xhci_ctrl *ctrl = udev->controller;
+ struct xhci_ctrl *ctrl = xhci_get_ctrl(udev);
union xhci_trb *event;
virt_dev = ctrl->devs[udev->slot_id];
@@ -298,7 +303,7 @@ static int xhci_set_configuration(struct usb_device *udev)
int ep_index;
unsigned int dir;
unsigned int ep_type;
- struct xhci_ctrl *ctrl = udev->controller;
+ struct xhci_ctrl *ctrl = xhci_get_ctrl(udev);
int num_of_ep;
int ep_flag = 0;
u64 trb_64 = 0;
@@ -382,7 +387,7 @@ static int xhci_set_configuration(struct usb_device *udev)
static int xhci_address_device(struct usb_device *udev)
{
int ret = 0;
- struct xhci_ctrl *ctrl = udev->controller;
+ struct xhci_ctrl *ctrl = xhci_get_ctrl(udev);
struct xhci_slot_ctx *slot_ctx;
struct xhci_input_control_ctx *ctrl_ctx;
struct xhci_virt_device *virt_dev;
@@ -463,8 +468,8 @@ static int xhci_address_device(struct usb_device *udev)
*/
int usb_alloc_device(struct usb_device *udev)
{
+ struct xhci_ctrl *ctrl = xhci_get_ctrl(udev);
union xhci_trb *event;
- struct xhci_ctrl *ctrl = udev->controller;
int ret;
/*
@@ -510,7 +515,7 @@ int usb_alloc_device(struct usb_device *udev)
*/
int xhci_check_maxpacket(struct usb_device *udev)
{
- struct xhci_ctrl *ctrl = udev->controller;
+ struct xhci_ctrl *ctrl = xhci_get_ctrl(udev);
unsigned int slot_id = udev->slot_id;
int ep_index = 0; /* control endpoint */
struct xhci_container_ctx *in_ctx;
@@ -640,7 +645,7 @@ static int xhci_submit_root(struct usb_device *udev,
unsigned long pipe,
int len, srclen;
uint32_t reg;
volatile uint32_t *status_reg;
- struct xhci_ctrl *ctrl = udev->controller;
+ struct xhci_ctrl *ctrl = xhci_get_ctrl(udev);
struct xhci_hcor *hcor = ctrl->hcor;
if ((req->requesttype & USB_RT_PORT) &&
@@ -904,7 +909,7 @@ int
submit_control_msg(struct usb_device *udev, unsigned long pipe, void *buffer,
int length, struct devrequest *setup)
{
- struct xhci_ctrl *ctrl = udev->controller;
+ struct xhci_ctrl *ctrl = xhci_get_ctrl(udev);
int ret = 0;
if (usb_pipetype(pipe) != PIPE_CONTROL) {
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 6685ed2..6e76872 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1250,4 +1250,6 @@ int xhci_alloc_virt_device(struct usb_device *udev);
int xhci_mem_init(struct xhci_ctrl *ctrl, struct xhci_hccr *hccr,
struct xhci_hcor *hcor);
+struct xhci_ctrl *xhci_get_ctrl(struct usb_device *udev);
+
#endif /* HOST_XHCI_H_ */
--
2.2.0.rc0.207.ga3a616c
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