[PATCH RESEND v4 8/9] usb: xhci: use macros with parameter to fill ep_info2
Frank Wunderlich
linux at fw-web.de
Tue Sep 8 19:00:02 CEST 2020
From: Chunfeng Yun <chunfeng.yun at mediatek.com>
Use macros with parameter to fill ep_info2, then some macros
for MASK and SHIFT can be removed
Signed-off-by: Chunfeng Yun <chunfeng.yun at mediatek.com>
Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
---
drivers/usb/host/xhci-mem.c | 15 +++++----------
drivers/usb/host/xhci.c | 6 ++----
include/usb/xhci.h | 6 ------
3 files changed, 7 insertions(+), 20 deletions(-)
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index d627aa5555..0b49614995 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -825,25 +825,22 @@ void xhci_setup_addressable_virt_dev(struct xhci_ctrl *ctrl,
/* Step 4 - ring already allocated */
/* Step 5 */
- ep0_ctx->ep_info2 = cpu_to_le32(CTRL_EP << EP_TYPE_SHIFT);
+ ep0_ctx->ep_info2 = cpu_to_le32(EP_TYPE(CTRL_EP));
debug("SPEED = %d\n", speed);
switch (speed) {
case USB_SPEED_SUPER:
- ep0_ctx->ep_info2 |= cpu_to_le32(((512 & MAX_PACKET_MASK) <<
- MAX_PACKET_SHIFT));
+ ep0_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(512));
debug("Setting Packet size = 512bytes\n");
break;
case USB_SPEED_HIGH:
/* USB core guesses at a 64-byte max packet first for FS devices */
case USB_SPEED_FULL:
- ep0_ctx->ep_info2 |= cpu_to_le32(((64 & MAX_PACKET_MASK) <<
- MAX_PACKET_SHIFT));
+ ep0_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(64));
debug("Setting Packet size = 64bytes\n");
break;
case USB_SPEED_LOW:
- ep0_ctx->ep_info2 |= cpu_to_le32(((8 & MAX_PACKET_MASK) <<
- MAX_PACKET_SHIFT));
+ ep0_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(8));
debug("Setting Packet size = 8bytes\n");
break;
default:
@@ -852,9 +849,7 @@ void xhci_setup_addressable_virt_dev(struct xhci_ctrl *ctrl,
}
/* EP 0 can handle "burst" sizes of 1, so Max Burst Size field is 0 */
- ep0_ctx->ep_info2 |=
- cpu_to_le32(((0 & MAX_BURST_MASK) << MAX_BURST_SHIFT) |
- ((3 & ERROR_COUNT_MASK) << ERROR_COUNT_SHIFT));
+ ep0_ctx->ep_info2 |= cpu_to_le32(MAX_BURST(0) | ERROR_COUNT(3));
trb_64 = virt_to_phys(virt_dev->eps[0].ring->first_seg->trbs);
ep0_ctx->deq = cpu_to_le64(trb_64 | virt_dev->eps[0].ring->cycle_state);
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 5f3a0fba4b..fe30101d93 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -618,8 +618,7 @@ static int xhci_set_configuration(struct usb_device *udev)
cpu_to_le32(EP_MAX_ESIT_PAYLOAD_HI(max_esit_payload) |
EP_INTERVAL(interval) | EP_MULT(mult));
- ep_ctx[ep_index]->ep_info2 =
- cpu_to_le32(ep_type << EP_TYPE_SHIFT);
+ ep_ctx[ep_index]->ep_info2 = cpu_to_le32(EP_TYPE(ep_type));
ep_ctx[ep_index]->ep_info2 |=
cpu_to_le32(MAX_PACKET
(get_unaligned(&endpt_desc->wMaxPacketSize)));
@@ -832,8 +831,7 @@ int xhci_check_maxpacket(struct usb_device *udev)
ctrl->devs[slot_id]->out_ctx, ep_index);
in_ctx = ctrl->devs[slot_id]->in_ctx;
ep_ctx = xhci_get_ep_ctx(ctrl, in_ctx, ep_index);
- ep_ctx->ep_info2 &= cpu_to_le32(~((0xffff & MAX_PACKET_MASK)
- << MAX_PACKET_SHIFT));
+ ep_ctx->ep_info2 &= cpu_to_le32(~MAX_PACKET(MAX_PACKET_MASK));
ep_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(max_packet_size));
/*
diff --git a/include/usb/xhci.h b/include/usb/xhci.h
index 07b1aebc69..e1d382369a 100644
--- a/include/usb/xhci.h
+++ b/include/usb/xhci.h
@@ -632,11 +632,8 @@ struct xhci_ep_ctx {
*/
#define FORCE_EVENT (0x1)
#define ERROR_COUNT(p) (((p) & 0x3) << 1)
-#define ERROR_COUNT_SHIFT (1)
-#define ERROR_COUNT_MASK (0x3)
#define CTX_TO_EP_TYPE(p) (((p) >> 3) & 0x7)
#define EP_TYPE(p) ((p) << 3)
-#define EP_TYPE_SHIFT (3)
#define ISOC_OUT_EP 1
#define BULK_OUT_EP 2
#define INT_OUT_EP 3
@@ -647,13 +644,10 @@ struct xhci_ep_ctx {
/* bit 6 reserved */
/* bit 7 is Host Initiate Disable - for disabling stream selection */
#define MAX_BURST(p) (((p)&0xff) << 8)
-#define MAX_BURST_MASK (0xff)
-#define MAX_BURST_SHIFT (8)
#define CTX_TO_MAX_BURST(p) (((p) >> 8) & 0xff)
#define MAX_PACKET(p) (((p)&0xffff) << 16)
#define MAX_PACKET_MASK (0xffff)
#define MAX_PACKET_DECODED(p) (((p) >> 16) & 0xffff)
-#define MAX_PACKET_SHIFT (16)
/* Get max packet size from ep desc. Bit 10..0 specify the max packet size.
* USB2.0 spec 9.6.6.
--
2.25.1
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