[RESEND PATCH v2 05/11] usb: xhci: convert to TRB_TYPE()

Frank Wunderlich
2020-09-02T06:13:37Z

Use TRB_TYPE(p) instead of ((p) << TRB_TYPE_SHIFT)

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
drivers/usb/host/xhci-mem.c | 3 +--
drivers/usb/host/xhci-ring.c | 11 +++++------
include/usb/xhci.h | 1 -
3 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 1da0524aa0..d627aa5555 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -236,8 +236,7 @@ static void xhci_link_segments(struct xhci_segment *prev,
*/
val = le32_to_cpu(prev->trbs[TRBS_PER_SEGMENT-1].link.control);
val &= ~TRB_TYPE_BITMASK;
- val |= (TRB_LINK << TRB_TYPE_SHIFT);
-
+ val |= TRB_TYPE(TRB_LINK);
prev->trbs[TRBS_PER_SEGMENT-1].link.control = cpu_to_le32(val);
}
}
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index cf8b9d2362..87891fdb58 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -696,7 +696,7 @@ int xhci_bulk_tx(struct usb_device *udev, unsigned long pipe,
trb_fields[0] = lower_32_bits(addr);
trb_fields[1] = upper_32_bits(addr);
trb_fields[2] = length_field;
- trb_fields[3] = field | (TRB_NORMAL << TRB_TYPE_SHIFT);
+ trb_fields[3] = field | TRB_TYPE(TRB_NORMAL);

queue_trb(ctrl, ring, (num_trbs > 1), trb_fields);

@@ -823,7 +823,7 @@ int xhci_ctrl_tx(struct usb_device *udev, unsigned long pipe,
/* Queue setup TRB - see section 6.4.1.2.1 */
/* FIXME better way to translate setup_packet into two u32 fields? */
field = 0;
- field |= TRB_IDT | (TRB_SETUP << TRB_TYPE_SHIFT);
+ field |= TRB_IDT | TRB_TYPE(TRB_SETUP);
if (start_cycle == 0)
field |= 0x1;

@@ -860,9 +860,9 @@ int xhci_ctrl_tx(struct usb_device *udev, unsigned long pipe,
/* If there's data, queue data TRBs */
/* Only set interrupt on short packet for IN endpoints */
if (usb_pipein(pipe))
- field = TRB_ISP | (TRB_DATA << TRB_TYPE_SHIFT);
+ field = TRB_ISP | TRB_TYPE(TRB_DATA);
else
- field = (TRB_DATA << TRB_TYPE_SHIFT);
+ field = TRB_TYPE(TRB_DATA);

remainder = xhci_td_remainder(ctrl, 0, length, length,
usb_maxpacket(udev, pipe), 1);
@@ -904,8 +904,7 @@ int xhci_ctrl_tx(struct usb_device *udev, unsigned long pipe,
trb_fields[2] = ((0 & TRB_INTR_TARGET_MASK) << TRB_INTR_TARGET_SHIFT);
/* Event on completion */
trb_fields[3] = field | TRB_IOC |
- (TRB_STATUS << TRB_TYPE_SHIFT) |
- ep_ring->cycle_state;
+ TRB_TYPE(TRB_STATUS) | ep_ring->cycle_state;

queue_trb(ctrl, ep_ring, false, trb_fields);

diff --git a/include/usb/xhci.h b/include/usb/xhci.h
index cf4c0208b2..bdba51df59 100644
--- a/include/usb/xhci.h
+++ b/include/usb/xhci.h
@@ -903,7 +903,6 @@ union xhci_trb {
/* TRB bit mask */
#define TRB_TYPE_BITMASK (0xfc00)
#define TRB_TYPE(p) ((p) << 10)
-#define TRB_TYPE_SHIFT (10)
#define TRB_FIELD_TO_TYPE(p) (((p) & TRB_TYPE_BITMASK) >> 10)

/* TRB type IDs */
--
2.25.1