summaryrefslogtreecommitdiff
path: root/drivers/usb/host/ohci-hcd.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/host/ohci-hcd.c')
-rw-r--r--drivers/usb/host/ohci-hcd.c170
1 files changed, 137 insertions, 33 deletions
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 180a2b01db56..fc627fd54116 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -233,14 +233,14 @@ static int ohci_urb_enqueue (
urb->start_frame = frame;
}
} else if (ed->type == PIPE_ISOCHRONOUS) {
- u16 next = ohci_frame_no(ohci) + 2;
+ u16 next = ohci_frame_no(ohci) + 1;
u16 frame = ed->last_iso + ed->interval;
/* Behind the scheduling threshold? */
if (unlikely(tick_before(frame, next))) {
/* USB_ISO_ASAP: Round up to the first available slot */
- if (urb->transfer_flags & URB_ISO_ASAP)
+ if (urb->transfer_flags & URB_ISO_ASAP) {
frame += (next - frame + ed->interval - 1) &
-ed->interval;
@@ -248,21 +248,25 @@ static int ohci_urb_enqueue (
* Not ASAP: Use the next slot in the stream. If
* the entire URB falls before the threshold, fail.
*/
- else if (tick_before(frame + ed->interval *
+ } 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;
- }
+ 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 to
- * the next ED instead of the next TD. Therefore
- * we have to omit the late TDs entirely.
- */
- urb_priv->td_cnt = DIV_ROUND_UP(next - frame,
- ed->interval);
+ /*
+ * Some OHCI hardware doesn't handle late TDs
+ * correctly. After retiring them it proceeds
+ * to the next ED instead of the next TD.
+ * Therefore we have to omit the late TDs
+ * entirely.
+ */
+ urb_priv->td_cnt = DIV_ROUND_UP(
+ (u16) (next - frame),
+ ed->interval);
+ }
}
urb->start_frame = frame;
}
@@ -1102,12 +1106,12 @@ MODULE_LICENSE ("GPL");
#if defined(CONFIG_ARCH_S3C24XX) || defined(CONFIG_ARCH_S3C64XX)
#include "ohci-s3c2410.c"
-#define PLATFORM_DRIVER ohci_hcd_s3c2410_driver
+#define S3C2410_PLATFORM_DRIVER ohci_hcd_s3c2410_driver
#endif
#ifdef CONFIG_USB_OHCI_EXYNOS
#include "ohci-exynos.c"
-#define PLATFORM_DRIVER exynos_ohci_driver
+#define EXYNOS_PLATFORM_DRIVER exynos_ohci_driver
#endif
#ifdef CONFIG_USB_OHCI_HCD_OMAP1
@@ -1127,25 +1131,24 @@ MODULE_LICENSE ("GPL");
#ifdef CONFIG_ARCH_EP93XX
#include "ohci-ep93xx.c"
-#define PLATFORM_DRIVER ohci_hcd_ep93xx_driver
+#define EP93XX_PLATFORM_DRIVER ohci_hcd_ep93xx_driver
#endif
#ifdef CONFIG_ARCH_AT91
#include "ohci-at91.c"
-#define PLATFORM_DRIVER ohci_hcd_at91_driver
+#define AT91_PLATFORM_DRIVER ohci_hcd_at91_driver
#endif
#ifdef CONFIG_ARCH_LPC32XX
#include "ohci-nxp.c"
-#define PLATFORM_DRIVER usb_hcd_nxp_driver
+#define NXP_PLATFORM_DRIVER usb_hcd_nxp_driver
#endif
#ifdef CONFIG_ARCH_DAVINCI_DA8XX
#include "ohci-da8xx.c"
-#define PLATFORM_DRIVER ohci_hcd_da8xx_driver
+#define DAVINCI_PLATFORM_DRIVER ohci_hcd_da8xx_driver
#endif
-
#ifdef CONFIG_USB_OHCI_HCD_PPC_OF
#include "ohci-ppc-of.c"
#define OF_PLATFORM_DRIVER ohci_hcd_ppc_of_driver
@@ -1153,7 +1156,7 @@ MODULE_LICENSE ("GPL");
#ifdef CONFIG_PLAT_SPEAR
#include "ohci-spear.c"
-#define PLATFORM_DRIVER spear_ohci_hcd_driver
+#define SPEAR_PLATFORM_DRIVER spear_ohci_hcd_driver
#endif
#ifdef CONFIG_PPC_PS3
@@ -1199,7 +1202,14 @@ MODULE_LICENSE ("GPL");
!defined(SA1111_DRIVER) && \
!defined(PS3_SYSTEM_BUS_DRIVER) && \
!defined(SM501_OHCI_DRIVER) && \
- !defined(TMIO_OHCI_DRIVER)
+ !defined(TMIO_OHCI_DRIVER) && \
+ !defined(S3C2410_PLATFORM_DRIVER) && \
+ !defined(EXYNOS_PLATFORM_DRIVER) && \
+ !defined(EP93XX_PLATFORM_DRIVER) && \
+ !defined(AT91_PLATFORM_DRIVER) && \
+ !defined(NXP_PLATFORM_DRIVER) && \
+ !defined(DAVINCI_PLATFORM_DRIVER) && \
+ !defined(SPEAR_PLATFORM_DRIVER)
#error "missing bus glue for ohci-hcd"
#endif
@@ -1277,9 +1287,79 @@ 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:
@@ -1300,17 +1380,17 @@ static int __init ohci_hcd_mod_init(void)
platform_driver_unregister(&OF_PLATFORM_DRIVER);
error_of_platform:
#endif
-#ifdef PLATFORM_DRIVER
- platform_driver_unregister(&PLATFORM_DRIVER);
- error_platform:
+#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 OMAP3_PLATFORM_DRIVER
- platform_driver_unregister(&OMAP3_PLATFORM_DRIVER);
- error_omap3_platform:
+#ifdef PLATFORM_DRIVER
+ platform_driver_unregister(&PLATFORM_DRIVER);
+ error_platform:
#endif
#ifdef PS3_SYSTEM_BUS_DRIVER
ps3_ohci_driver_unregister(&PS3_SYSTEM_BUS_DRIVER);
@@ -1329,6 +1409,27 @@ 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
@@ -1344,12 +1445,15 @@ static void __exit ohci_hcd_mod_exit(void)
#ifdef OF_PLATFORM_DRIVER
platform_driver_unregister(&OF_PLATFORM_DRIVER);
#endif
-#ifdef PLATFORM_DRIVER
- platform_driver_unregister(&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
#ifdef PS3_SYSTEM_BUS_DRIVER
ps3_ohci_driver_unregister(&PS3_SYSTEM_BUS_DRIVER);
#endif
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-10 06:58:09 +0300