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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:46 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:17:46 +0000
commit7f3a4257159dea8e7ef66d1a539dc6df708b8ed3 (patch)
treebcc69b5f4609f348fac49e2f59e210b29eaea783 /drivers/usb/host/ehci-q.c
parentAdding upstream version 6.9.12. (diff)
downloadlinux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.tar.xz
linux-7f3a4257159dea8e7ef66d1a539dc6df708b8ed3.zip
Adding upstream version 6.10.3.upstream/6.10.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/usb/host/ehci-q.c')
-rw-r--r--drivers/usb/host/ehci-q.c20
1 files changed, 8 insertions, 12 deletions
diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c
index 666f5c4db2..ba37a9fcab 100644
--- a/drivers/usb/host/ehci-q.c
+++ b/drivers/usb/host/ehci-q.c
@@ -27,10 +27,6 @@
/*-------------------------------------------------------------------------*/
-/* PID Codes that are used here, from EHCI specification, Table 3-16. */
-#define PID_CODE_IN 1
-#define PID_CODE_SETUP 2
-
/* fill a qtd, returning how much of the buffer we were able to queue up */
static unsigned int
@@ -230,7 +226,7 @@ static int qtd_copy_status (
/* fs/ls interrupt xfer missed the complete-split */
status = -EPROTO;
} else if (token & QTD_STS_DBE) {
- status = (QTD_PID (token) == 1) /* IN ? */
+ status = (QTD_PID(token) == PID_CODE_IN) /* IN ? */
? -ENOSR /* hc couldn't read data */
: -ECOMM; /* hc couldn't write data */
} else if (token & QTD_STS_XACT) {
@@ -606,7 +602,7 @@ qh_urb_transaction (
/* SETUP pid */
qtd_fill(ehci, qtd, urb->setup_dma,
sizeof (struct usb_ctrlrequest),
- token | (2 /* "setup" */ << 8), 8);
+ token | (PID_CODE_SETUP << 8), 8);
/* ... and always at least one more pid */
token ^= QTD_TOGGLE;
@@ -620,7 +616,7 @@ qh_urb_transaction (
/* for zero length DATA stages, STATUS is always IN */
if (len == 0)
- token |= (1 /* "in" */ << 8);
+ token |= (PID_CODE_IN << 8);
}
/*
@@ -642,7 +638,7 @@ qh_urb_transaction (
}
if (is_input)
- token |= (1 /* "in" */ << 8);
+ token |= (PID_CODE_IN << 8);
/* else it's already initted to "out" pid (0 << 8) */
maxpacket = usb_endpoint_maxp(&urb->ep->desc);
@@ -709,7 +705,7 @@ qh_urb_transaction (
if (usb_pipecontrol (urb->pipe)) {
one_more = 1;
- token ^= 0x0100; /* "in" <--> "out" */
+ token ^= (PID_CODE_IN << 8); /* "in" <--> "out" */
token |= QTD_TOGGLE; /* force DATA1 */
} else if (usb_pipeout(urb->pipe)
&& (urb->transfer_flags & URB_ZERO_PACKET)
@@ -1203,7 +1199,7 @@ static int ehci_submit_single_step_set_feature(
/* SETUP pid, and interrupt after SETUP completion */
qtd_fill(ehci, qtd, urb->setup_dma,
sizeof(struct usb_ctrlrequest),
- QTD_IOC | token | (2 /* "setup" */ << 8), 8);
+ QTD_IOC | token | (PID_CODE_SETUP << 8), 8);
submit_async(ehci, urb, &qtd_list, GFP_ATOMIC);
return 0; /*Return now; we shall come back after 15 seconds*/
@@ -1216,7 +1212,7 @@ static int ehci_submit_single_step_set_feature(
token ^= QTD_TOGGLE; /*We need to start IN with DATA-1 Pid-sequence*/
buf = urb->transfer_dma;
- token |= (1 /* "in" */ << 8); /*This is IN stage*/
+ token |= (PID_CODE_IN << 8); /*This is IN stage*/
maxpacket = usb_endpoint_maxp(&urb->ep->desc);
@@ -1229,7 +1225,7 @@ static int ehci_submit_single_step_set_feature(
qtd->hw_alt_next = EHCI_LIST_END(ehci);
/* STATUS stage for GetDesc control request */
- token ^= 0x0100; /* "in" <--> "out" */
+ token ^= (PID_CODE_IN << 8); /* "in" <--> "out" */
token |= QTD_TOGGLE; /* force DATA1 */
qtd_prev = qtd;