xiaomi-sm8450/android_kernel_xiaomi_sm8450
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کد مسائل تقاضاهای واکشی Actions Packages پروژه‌ها انتشارها دانشنامه فعالیت

USB: Eliminate urb->status usage!

فهرست منبع 
This patch (as979) removes the last vestiges of urb->status from the
host controller drivers and the root-hub emulator.  Now the field
doesn't get set until just before the URB's completion routine is
called.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: David Brownell <david-b@pacbell.net>
CC: Olav Kongas <ok@artecdesign.ee>
CC: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
CC: Tony Olech <tony.olech@elandigitalsystems.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Stern
2007-08-24 15:42:24 -04:00
کامیت شده توسط Greg Kroah-Hartman
والد 9347d51c52
کامیت 4a00027dcb
11فایلهای تغییر یافته به همراه46 افزوده شده و 77 حذف شده
دانلود پرونده وصله دانلود فایل تغییرات diff Expand all files Collapse all files

36
drivers/usb/host/u132-hcd.c
مشاهده پرونده

@@ -518,7 +518,6 @@ static void u132_hcd_giveback_urb(struct u132 *u132, struct u132_endp *endp,
unsigned long irqs;
struct usb_hcd *hcd = u132_to_hcd(u132);
urb->error_count = 0;
urb->status = status;
spin_lock_irqsave(&endp->queue_lock.slock, irqs);
usb_hcd_unlink_urb_from_ep(hcd, urb);
endp->queue_next += 1;
@@ -542,7 +541,7 @@ static void u132_hcd_giveback_urb(struct u132 *u132, struct u132_endp *endp,
u132_ring_queue_work(u132, ring, 0);
up(&u132->scheduler_lock);
u132_endp_put_kref(u132, endp);
usb_hcd_giveback_urb(hcd, urb);
usb_hcd_giveback_urb(hcd, urb, status);
return;
}
@@ -558,7 +557,6 @@ static void u132_hcd_abandon_urb(struct u132 *u132, struct u132_endp *endp,
unsigned long irqs;
struct usb_hcd *hcd = u132_to_hcd(u132);
urb->error_count = 0;
urb->status = status;
spin_lock_irqsave(&endp->queue_lock.slock, irqs);
usb_hcd_unlink_urb_from_ep(hcd, urb);
endp->queue_next += 1;
@@ -575,7 +573,7 @@ static void u132_hcd_abandon_urb(struct u132 *u132, struct u132_endp *endp,
endp->active = 0;
spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
kfree(urbq);
} usb_hcd_giveback_urb(hcd, urb);
} usb_hcd_giveback_urb(hcd, urb, status);
return;
}
@@ -719,7 +717,7 @@ static void u132_hcd_interrupt_recv(void *data, struct urb *urb, u8 *buf,
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, urb->status);
u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -771,7 +769,7 @@ static void u132_hcd_bulk_output_sent(void *data, struct urb *urb, u8 *buf,
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, urb->status);
u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -874,7 +872,7 @@ static void u132_hcd_bulk_input_recv(void *data, struct urb *urb, u8 *buf,
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, urb->status);
u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -911,7 +909,7 @@ static void u132_hcd_configure_empty_sent(void *data, struct urb *urb, u8 *buf,
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, urb->status);
u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -983,7 +981,7 @@ static void u132_hcd_configure_input_recv(void *data, struct urb *urb, u8 *buf,
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, urb->status);
u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -1020,7 +1018,7 @@ static void u132_hcd_configure_empty_recv(void *data, struct urb *urb, u8 *buf,
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, urb->status);
u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -1080,7 +1078,7 @@ static void u132_hcd_configure_setup_sent(void *data, struct urb *urb, u8 *buf,
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, urb->status);
u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -1121,7 +1119,7 @@ static void u132_hcd_enumeration_empty_recv(void *data, struct urb *urb,
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, urb->status);
u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -1165,7 +1163,7 @@ static void u132_hcd_enumeration_address_sent(void *data, struct urb *urb,
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, urb->status);
u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -1202,7 +1200,7 @@ static void u132_hcd_initial_empty_sent(void *data, struct urb *urb, u8 *buf,
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, urb->status);
u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -1254,7 +1252,7 @@ static void u132_hcd_initial_input_recv(void *data, struct urb *urb, u8 *buf,
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, urb->status);
u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -1299,7 +1297,7 @@ static void u132_hcd_initial_setup_sent(void *data, struct urb *urb, u8 *buf,
dev_err(&u132->platform_dev->dev, "CALLBACK called urb=%p "
"unlinked=%d\n", urb, urb->unlinked);
up(&u132->scheduler_lock);
u132_hcd_giveback_urb(u132, endp, urb, urb->status);
u132_hcd_giveback_urb(u132, endp, urb, 0);
return;
}
}
@@ -2428,7 +2426,7 @@ static int dequeue_from_overflow_chain(struct u132 *u132,
list_del(scan);
endp->queue_size -= 1;
urb->error_count = 0;
usb_hcd_giveback_urb(hcd, urb);
usb_hcd_giveback_urb(hcd, urb, 0);
return 0;
} else
continue;
@@ -2472,7 +2470,7 @@ static int u132_endp_urb_dequeue(struct u132 *u132, struct u132_endp *endp,
return 0;
} else {
spin_unlock_irqrestore(&endp->queue_lock.slock, irqs);
u132_hcd_abandon_urb(u132, endp, urb, urb->status);
u132_hcd_abandon_urb(u132, endp, urb, status);
return 0;
}
} else {
@@ -2513,7 +2511,7 @@ static int u132_endp_urb_dequeue(struct u132 *u132, struct u132_endp *endp,
irqs);
kfree(urbq);
} urb->error_count = 0;
usb_hcd_giveback_urb(hcd, urb);
usb_hcd_giveback_urb(hcd, urb, status);
return 0;
} else if (list_empty(&endp->urb_more)) {
dev_err(&u132->platform_dev->dev, "urb=%p not found in "