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path: root/drivers/usb/host/ohci-hcd.c
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Diffstat (limited to 'drivers/usb/host/ohci-hcd.c')
-rw-r--r--drivers/usb/host/ohci-hcd.c181
1 files changed, 18 insertions, 163 deletions
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 8f6b695af6a4..8ada13f8dde2 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -216,31 +216,26 @@ static int ohci_urb_enqueue (
frame &= ~(ed->interval - 1);
frame |= ed->branch;
urb->start_frame = frame;
+ ed->last_iso = frame + ed->interval * (size - 1);
}
} else if (ed->type == PIPE_ISOCHRONOUS) {
u16 next = ohci_frame_no(ohci) + 1;
u16 frame = ed->last_iso + ed->interval;
+ u16 length = ed->interval * (size - 1);
/* Behind the scheduling threshold? */
if (unlikely(tick_before(frame, next))) {
- /* USB_ISO_ASAP: Round up to the first available slot */
+ /* URB_ISO_ASAP: Round up to the first available slot */
if (urb->transfer_flags & URB_ISO_ASAP) {
frame += (next - frame + ed->interval - 1) &
-ed->interval;
/*
- * Not ASAP: Use the next slot in the stream. If
- * the entire URB falls before the threshold, fail.
+ * Not ASAP: Use the next slot in the stream,
+ * no matter what.
*/
} else {
- if (tick_before(frame + ed->interval *
- (urb->number_of_packets - 1), next)) {
- retval = -EXDEV;
- usb_hcd_unlink_urb_from_ep(hcd, urb);
- goto fail;
- }
-
/*
* Some OHCI hardware doesn't handle late TDs
* correctly. After retiring them it proceeds
@@ -251,9 +246,16 @@ static int ohci_urb_enqueue (
urb_priv->td_cnt = DIV_ROUND_UP(
(u16) (next - frame),
ed->interval);
+ if (urb_priv->td_cnt >= urb_priv->length) {
+ ++urb_priv->td_cnt; /* Mark it */
+ ohci_dbg(ohci, "iso underrun %p (%u+%u < %u)\n",
+ urb, frame, length,
+ next);
+ }
}
}
urb->start_frame = frame;
+ ed->last_iso = frame + length;
}
/* fill the TDs and link them to the ed; and
@@ -1159,10 +1161,12 @@ void ohci_init_driver(struct hc_driver *drv,
/* Copy the generic table to drv and then apply the overrides */
*drv = ohci_hc_driver;
- drv->product_desc = over->product_desc;
- drv->hcd_priv_size += over->extra_priv_size;
- if (over->reset)
- drv->reset = over->reset;
+ if (over) {
+ drv->product_desc = over->product_desc;
+ drv->hcd_priv_size += over->extra_priv_size;
+ if (over->reset)
+ drv->reset = over->reset;
+ }
}
EXPORT_SYMBOL_GPL(ohci_init_driver);
@@ -1177,46 +1181,6 @@ MODULE_LICENSE ("GPL");
#define SA1111_DRIVER ohci_hcd_sa1111_driver
#endif
-#if defined(CONFIG_ARCH_S3C24XX) || defined(CONFIG_ARCH_S3C64XX)
-#include "ohci-s3c2410.c"
-#define S3C2410_PLATFORM_DRIVER ohci_hcd_s3c2410_driver
-#endif
-
-#ifdef CONFIG_USB_OHCI_EXYNOS
-#include "ohci-exynos.c"
-#define EXYNOS_PLATFORM_DRIVER exynos_ohci_driver
-#endif
-
-#ifdef CONFIG_USB_OHCI_HCD_OMAP1
-#include "ohci-omap.c"
-#define OMAP1_PLATFORM_DRIVER ohci_hcd_omap_driver
-#endif
-
-#ifdef CONFIG_USB_OHCI_HCD_OMAP3
-#include "ohci-omap3.c"
-#define OMAP3_PLATFORM_DRIVER ohci_hcd_omap3_driver
-#endif
-
-#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
-#include "ohci-pxa27x.c"
-#define PLATFORM_DRIVER ohci_hcd_pxa27x_driver
-#endif
-
-#ifdef CONFIG_ARCH_EP93XX
-#include "ohci-ep93xx.c"
-#define EP93XX_PLATFORM_DRIVER ohci_hcd_ep93xx_driver
-#endif
-
-#ifdef CONFIG_ARCH_AT91
-#include "ohci-at91.c"
-#define AT91_PLATFORM_DRIVER ohci_hcd_at91_driver
-#endif
-
-#ifdef CONFIG_ARCH_LPC32XX
-#include "ohci-nxp.c"
-#define NXP_PLATFORM_DRIVER usb_hcd_nxp_driver
-#endif
-
#ifdef CONFIG_ARCH_DAVINCI_DA8XX
#include "ohci-da8xx.c"
#define DAVINCI_PLATFORM_DRIVER ohci_hcd_da8xx_driver
@@ -1227,11 +1191,6 @@ MODULE_LICENSE ("GPL");
#define OF_PLATFORM_DRIVER ohci_hcd_ppc_of_driver
#endif
-#ifdef CONFIG_PLAT_SPEAR
-#include "ohci-spear.c"
-#define SPEAR_PLATFORM_DRIVER spear_ohci_hcd_driver
-#endif
-
#ifdef CONFIG_PPC_PS3
#include "ohci-ps3.c"
#define PS3_SYSTEM_BUS_DRIVER ps3_ohci_driver
@@ -1294,18 +1253,6 @@ static int __init ohci_hcd_mod_init(void)
goto error_platform;
#endif
-#ifdef OMAP1_PLATFORM_DRIVER
- retval = platform_driver_register(&OMAP1_PLATFORM_DRIVER);
- if (retval < 0)
- goto error_omap1_platform;
-#endif
-
-#ifdef OMAP3_PLATFORM_DRIVER
- retval = platform_driver_register(&OMAP3_PLATFORM_DRIVER);
- if (retval < 0)
- goto error_omap3_platform;
-#endif
-
#ifdef OF_PLATFORM_DRIVER
retval = platform_driver_register(&OF_PLATFORM_DRIVER);
if (retval < 0)
@@ -1330,79 +1277,19 @@ static int __init ohci_hcd_mod_init(void)
goto error_tmio;
#endif
-#ifdef S3C2410_PLATFORM_DRIVER
- retval = platform_driver_register(&S3C2410_PLATFORM_DRIVER);
- if (retval < 0)
- goto error_s3c2410;
-#endif
-
-#ifdef EXYNOS_PLATFORM_DRIVER
- retval = platform_driver_register(&EXYNOS_PLATFORM_DRIVER);
- if (retval < 0)
- goto error_exynos;
-#endif
-
-#ifdef EP93XX_PLATFORM_DRIVER
- retval = platform_driver_register(&EP93XX_PLATFORM_DRIVER);
- if (retval < 0)
- goto error_ep93xx;
-#endif
-
-#ifdef AT91_PLATFORM_DRIVER
- retval = platform_driver_register(&AT91_PLATFORM_DRIVER);
- if (retval < 0)
- goto error_at91;
-#endif
-
-#ifdef NXP_PLATFORM_DRIVER
- retval = platform_driver_register(&NXP_PLATFORM_DRIVER);
- if (retval < 0)
- goto error_nxp;
-#endif
-
#ifdef DAVINCI_PLATFORM_DRIVER
retval = platform_driver_register(&DAVINCI_PLATFORM_DRIVER);
if (retval < 0)
goto error_davinci;
#endif
-#ifdef SPEAR_PLATFORM_DRIVER
- retval = platform_driver_register(&SPEAR_PLATFORM_DRIVER);
- if (retval < 0)
- goto error_spear;
-#endif
-
return retval;
/* Error path */
-#ifdef SPEAR_PLATFORM_DRIVER
- platform_driver_unregister(&SPEAR_PLATFORM_DRIVER);
- error_spear:
-#endif
#ifdef DAVINCI_PLATFORM_DRIVER
platform_driver_unregister(&DAVINCI_PLATFORM_DRIVER);
error_davinci:
#endif
-#ifdef NXP_PLATFORM_DRIVER
- platform_driver_unregister(&NXP_PLATFORM_DRIVER);
- error_nxp:
-#endif
-#ifdef AT91_PLATFORM_DRIVER
- platform_driver_unregister(&AT91_PLATFORM_DRIVER);
- error_at91:
-#endif
-#ifdef EP93XX_PLATFORM_DRIVER
- platform_driver_unregister(&EP93XX_PLATFORM_DRIVER);
- error_ep93xx:
-#endif
-#ifdef EXYNOS_PLATFORM_DRIVER
- platform_driver_unregister(&EXYNOS_PLATFORM_DRIVER);
- error_exynos:
-#endif
-#ifdef S3C2410_PLATFORM_DRIVER
- platform_driver_unregister(&S3C2410_PLATFORM_DRIVER);
- error_s3c2410:
-#endif
#ifdef TMIO_OHCI_DRIVER
platform_driver_unregister(&TMIO_OHCI_DRIVER);
error_tmio:
@@ -1419,14 +1306,6 @@ static int __init ohci_hcd_mod_init(void)
platform_driver_unregister(&OF_PLATFORM_DRIVER);
error_of_platform:
#endif
-#ifdef OMAP3_PLATFORM_DRIVER
- platform_driver_unregister(&OMAP3_PLATFORM_DRIVER);
- error_omap3_platform:
-#endif
-#ifdef OMAP1_PLATFORM_DRIVER
- platform_driver_unregister(&OMAP1_PLATFORM_DRIVER);
- error_omap1_platform:
-#endif
#ifdef PLATFORM_DRIVER
platform_driver_unregister(&PLATFORM_DRIVER);
error_platform:
@@ -1448,27 +1327,9 @@ module_init(ohci_hcd_mod_init);
static void __exit ohci_hcd_mod_exit(void)
{
-#ifdef SPEAR_PLATFORM_DRIVER
- platform_driver_unregister(&SPEAR_PLATFORM_DRIVER);
-#endif
#ifdef DAVINCI_PLATFORM_DRIVER
platform_driver_unregister(&DAVINCI_PLATFORM_DRIVER);
#endif
-#ifdef NXP_PLATFORM_DRIVER
- platform_driver_unregister(&NXP_PLATFORM_DRIVER);
-#endif
-#ifdef AT91_PLATFORM_DRIVER
- platform_driver_unregister(&AT91_PLATFORM_DRIVER);
-#endif
-#ifdef EP93XX_PLATFORM_DRIVER
- platform_driver_unregister(&EP93XX_PLATFORM_DRIVER);
-#endif
-#ifdef EXYNOS_PLATFORM_DRIVER
- platform_driver_unregister(&EXYNOS_PLATFORM_DRIVER);
-#endif
-#ifdef S3C2410_PLATFORM_DRIVER
- platform_driver_unregister(&S3C2410_PLATFORM_DRIVER);
-#endif
#ifdef TMIO_OHCI_DRIVER
platform_driver_unregister(&TMIO_OHCI_DRIVER);
#endif
@@ -1481,12 +1342,6 @@ static void __exit ohci_hcd_mod_exit(void)
#ifdef OF_PLATFORM_DRIVER
platform_driver_unregister(&OF_PLATFORM_DRIVER);
#endif
-#ifdef OMAP3_PLATFORM_DRIVER
- platform_driver_unregister(&OMAP3_PLATFORM_DRIVER);
-#endif
-#ifdef OMAP1_PLATFORM_DRIVER
- platform_driver_unregister(&OMAP1_PLATFORM_DRIVER);
-#endif
#ifdef PLATFORM_DRIVER
platform_driver_unregister(&PLATFORM_DRIVER);
#endif
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-12 09:42:33 +0000