diff options
Diffstat (limited to 'drivers/usb/musb')
| -rw-r--r-- | drivers/usb/musb/musb_core.c | 48 | ||||
| -rw-r--r-- | drivers/usb/musb/musb_core.h | 2 | ||||
| -rw-r--r-- | drivers/usb/musb/musb_gadget.c | 5 | ||||
| -rw-r--r-- | drivers/usb/musb/omap2430.c | 30 |
4 files changed, 59 insertions, 26 deletions
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index ee9ff7028b92..c3791a01ab31 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -1360,8 +1360,7 @@ static int ep_config_from_table(struct musb *musb) break; } - printk(KERN_DEBUG "%s: setup fifo_mode %d\n", - musb_driver_name, fifo_mode); + pr_debug("%s: setup fifo_mode %d\n", musb_driver_name, fifo_mode); done: @@ -1390,7 +1389,7 @@ done: musb->nr_endpoints = max(epn, musb->nr_endpoints); } - printk(KERN_DEBUG "%s: %d/%d max ep, %d/%d memory\n", + pr_debug("%s: %d/%d max ep, %d/%d memory\n", musb_driver_name, n + 1, musb->config->num_eps * 2 - 1, offset, (1 << (musb->config->ram_bits + 2))); @@ -1491,8 +1490,7 @@ static int musb_core_init(u16 musb_type, struct musb *musb) if (reg & MUSB_CONFIGDATA_SOFTCONE) strcat(aInfo, ", SoftConn"); - printk(KERN_DEBUG "%s: ConfigData=0x%02x (%s)\n", - musb_driver_name, reg, aInfo); + pr_debug("%s: ConfigData=0x%02x (%s)\n", musb_driver_name, reg, aInfo); aDate[0] = 0; if (MUSB_CONTROLLER_MHDRC == musb_type) { @@ -1502,9 +1500,8 @@ static int musb_core_init(u16 musb_type, struct musb *musb) musb->is_multipoint = 0; type = ""; #ifndef CONFIG_USB_OTG_BLACKLIST_HUB - printk(KERN_ERR - "%s: kernel must blacklist external hubs\n", - musb_driver_name); + pr_err("%s: kernel must blacklist external hubs\n", + musb_driver_name); #endif } @@ -1513,8 +1510,8 @@ static int musb_core_init(u16 musb_type, struct musb *musb) snprintf(aRevision, 32, "%d.%d%s", MUSB_HWVERS_MAJOR(musb->hwvers), MUSB_HWVERS_MINOR(musb->hwvers), (musb->hwvers & MUSB_HWVERS_RC) ? "RC" : ""); - printk(KERN_DEBUG "%s: %sHDRC RTL version %s %s\n", - musb_driver_name, type, aRevision, aDate); + pr_debug("%s: %sHDRC RTL version %s %s\n", + musb_driver_name, type, aRevision, aDate); /* configure ep0 */ musb_configure_ep0(musb); @@ -1705,6 +1702,23 @@ EXPORT_SYMBOL_GPL(musb_dma_completion); #define use_dma 0 #endif +static void (*musb_phy_callback)(enum musb_vbus_id_status status); + +/* + * musb_mailbox - optional phy notifier function + * @status phy state change + * + * Optionally gets called from the USB PHY. Note that the USB PHY must be + * disabled at the point the phy_callback is registered or unregistered. + */ +void musb_mailbox(enum musb_vbus_id_status status) +{ + if (musb_phy_callback) + musb_phy_callback(status); + +}; +EXPORT_SYMBOL_GPL(musb_mailbox); + /*-------------------------------------------------------------------------*/ static ssize_t @@ -2117,8 +2131,15 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl) musb->xceiv->io_ops = &musb_ulpi_access; } + if (musb->ops->phy_callback) + musb_phy_callback = musb->ops->phy_callback; + pm_runtime_get_sync(musb->controller); + status = usb_phy_init(musb->xceiv); + if (status < 0) + goto err_usb_phy_init; + if (use_dma && dev->dma_mask) { musb->dma_controller = musb_dma_controller_create(musb, musb->mregs); @@ -2239,7 +2260,11 @@ fail3: cancel_delayed_work_sync(&musb->deassert_reset_work); if (musb->dma_controller) musb_dma_controller_destroy(musb->dma_controller); + fail2_5: + usb_phy_shutdown(musb->xceiv); + +err_usb_phy_init: pm_runtime_put_sync(musb->controller); fail2: @@ -2295,10 +2320,13 @@ static int musb_remove(struct platform_device *pdev) */ musb_exit_debugfs(musb); musb_shutdown(pdev); + musb_phy_callback = NULL; if (musb->dma_controller) musb_dma_controller_destroy(musb->dma_controller); + usb_phy_shutdown(musb->xceiv); + cancel_work_sync(&musb->irq_work); cancel_delayed_work_sync(&musb->finish_resume_work); cancel_delayed_work_sync(&musb->deassert_reset_work); diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h index 2337d7a7d62d..fd215fb45fd4 100644 --- a/drivers/usb/musb/musb_core.h +++ b/drivers/usb/musb/musb_core.h @@ -168,6 +168,7 @@ struct musb_io; * @adjust_channel_params: pre check for standard dma channel_program func * @pre_root_reset_end: called before the root usb port reset flag gets cleared * @post_root_reset_end: called after the root usb port reset flag gets cleared + * @phy_callback: optional callback function for the phy to call */ struct musb_platform_ops { @@ -214,6 +215,7 @@ struct musb_platform_ops { dma_addr_t *dma_addr, u32 *len); void (*pre_root_reset_end)(struct musb *musb); void (*post_root_reset_end)(struct musb *musb); + void (*phy_callback)(enum musb_vbus_id_status status); }; /* diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index 67ad630c86c9..87bd578799a8 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -353,9 +353,8 @@ static void txstate(struct musb *musb, struct musb_request *req) * 1 >0 Yes(FS bulk) */ if (!musb_ep->hb_mult || - (musb_ep->hb_mult && - can_bulk_split(musb, - musb_ep->type))) + can_bulk_split(musb, + musb_ep->type)) csr |= MUSB_TXCSR_AUTOSET; } csr &= ~MUSB_TXCSR_P_UNDERRUN; diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index 1bd9232ff76f..c84e0322c108 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -36,7 +36,7 @@ #include <linux/pm_runtime.h> #include <linux/err.h> #include <linux/delay.h> -#include <linux/usb/musb-omap.h> +#include <linux/usb/musb.h> #include <linux/phy/omap_control_phy.h> #include <linux/of_platform.h> @@ -46,7 +46,7 @@ struct omap2430_glue { struct device *dev; struct platform_device *musb; - enum omap_musb_vbus_id_status status; + enum musb_vbus_id_status status; struct work_struct omap_musb_mailbox_work; struct device *control_otghs; }; @@ -234,7 +234,7 @@ static inline void omap2430_low_level_init(struct musb *musb) musb_writel(musb->mregs, OTG_FORCESTDBY, l); } -void omap_musb_mailbox(enum omap_musb_vbus_id_status status) +static void omap2430_musb_mailbox(enum musb_vbus_id_status status) { struct omap2430_glue *glue = _glue; @@ -251,7 +251,6 @@ void omap_musb_mailbox(enum omap_musb_vbus_id_status status) schedule_work(&glue->omap_musb_mailbox_work); } -EXPORT_SYMBOL_GPL(omap_musb_mailbox); static void omap_musb_set_mailbox(struct omap2430_glue *glue) { @@ -262,7 +261,7 @@ static void omap_musb_set_mailbox(struct omap2430_glue *glue) struct usb_otg *otg = musb->xceiv->otg; switch (glue->status) { - case OMAP_MUSB_ID_GROUND: + case MUSB_ID_GROUND: dev_dbg(dev, "ID GND\n"); otg->default_a = true; @@ -276,7 +275,7 @@ static void omap_musb_set_mailbox(struct omap2430_glue *glue) } break; - case OMAP_MUSB_VBUS_VALID: + case MUSB_VBUS_VALID: dev_dbg(dev, "VBUS Connect\n"); otg->default_a = false; @@ -287,8 +286,8 @@ static void omap_musb_set_mailbox(struct omap2430_glue *glue) omap_control_usb_set_mode(glue->control_otghs, USB_MODE_DEVICE); break; - case OMAP_MUSB_ID_FLOAT: - case OMAP_MUSB_VBUS_OFF: + case MUSB_ID_FLOAT: + case MUSB_VBUS_OFF: dev_dbg(dev, "VBUS Disconnect\n"); musb->xceiv->last_event = USB_EVENT_NONE; @@ -430,7 +429,7 @@ static int omap2430_musb_init(struct musb *musb) setup_timer(&musb_idle_timer, musb_do_idle, (unsigned long) musb); - if (glue->status != OMAP_MUSB_UNKNOWN) + if (glue->status != MUSB_UNKNOWN) omap_musb_set_mailbox(glue); phy_init(musb->phy); @@ -455,7 +454,7 @@ static void omap2430_musb_enable(struct musb *musb) switch (glue->status) { - case OMAP_MUSB_ID_GROUND: + case MUSB_ID_GROUND: omap_control_usb_set_mode(glue->control_otghs, USB_MODE_HOST); if (data->interface_type != MUSB_INTERFACE_UTMI) break; @@ -474,7 +473,7 @@ static void omap2430_musb_enable(struct musb *musb) } break; - case OMAP_MUSB_VBUS_VALID: + case MUSB_VBUS_VALID: omap_control_usb_set_mode(glue->control_otghs, USB_MODE_DEVICE); break; @@ -488,7 +487,7 @@ static void omap2430_musb_disable(struct musb *musb) struct device *dev = musb->controller; struct omap2430_glue *glue = dev_get_drvdata(dev->parent); - if (glue->status != OMAP_MUSB_UNKNOWN) + if (glue->status != MUSB_UNKNOWN) omap_control_usb_set_mode(glue->control_otghs, USB_MODE_DISCONNECT); } @@ -520,6 +519,8 @@ static const struct musb_platform_ops omap2430_ops = { .enable = omap2430_musb_enable, .disable = omap2430_musb_disable, + + .phy_callback = omap2430_musb_mailbox, }; static u64 omap2430_dmamask = DMA_BIT_MASK(32); @@ -551,7 +552,7 @@ static int omap2430_probe(struct platform_device *pdev) glue->dev = &pdev->dev; glue->musb = musb; - glue->status = OMAP_MUSB_UNKNOWN; + glue->status = MUSB_UNKNOWN; glue->control_otghs = ERR_PTR(-ENODEV); if (np) { @@ -663,8 +664,11 @@ static int omap2430_remove(struct platform_device *pdev) { struct omap2430_glue *glue = platform_get_drvdata(pdev); + pm_runtime_get_sync(glue->dev); cancel_work_sync(&glue->omap_musb_mailbox_work); platform_device_unregister(glue->musb); + pm_runtime_put_sync(glue->dev); + pm_runtime_disable(glue->dev); return 0; } |
