diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/musb/davinci.c | 6 | ||||
| -rw-r--r-- | drivers/usb/musb/musb_core.c | 17 | ||||
| -rw-r--r-- | drivers/usb/musb/musb_core.h | 2 | ||||
| -rw-r--r-- | drivers/usb/musb/omap2430.c | 11 | ||||
| -rw-r--r-- | drivers/usb/musb/tusb6010.c | 7 |
5 files changed, 32 insertions, 11 deletions
diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c index dfb3bcbe00f..87aef82fbcd 100644 --- a/drivers/usb/musb/davinci.c +++ b/drivers/usb/musb/davinci.c @@ -364,6 +364,12 @@ static irqreturn_t davinci_interrupt(int irq, void *__hci) return IRQ_HANDLED; } +int musb_platform_set_mode(struct musb *musb, u8 mode) +{ + /* EVM can't do this (right?) */ + return -EIO; +} + int __init musb_platform_init(struct musb *musb) { void __iomem *tibase = musb->ctrl_base; diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 0b742ebe5c8..de7f8bec6bd 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -1671,17 +1671,20 @@ musb_mode_store(struct device *dev, struct device_attribute *attr, { struct musb *musb = dev_to_musb(dev); unsigned long flags; + int status; spin_lock_irqsave(&musb->lock, flags); - if (!strncmp(buf, "host", 4)) - musb_platform_set_mode(musb, MUSB_HOST); - if (!strncmp(buf, "peripheral", 10)) - musb_platform_set_mode(musb, MUSB_PERIPHERAL); - if (!strncmp(buf, "otg", 3)) - musb_platform_set_mode(musb, MUSB_OTG); + if (sysfs_streq(buf, "host")) + status = musb_platform_set_mode(musb, MUSB_HOST); + else if (sysfs_streq(buf, "peripheral")) + status = musb_platform_set_mode(musb, MUSB_PERIPHERAL); + else if (sysfs_streq(buf, "otg")) + status = musb_platform_set_mode(musb, MUSB_OTG); + else + status = -EINVAL; spin_unlock_irqrestore(&musb->lock, flags); - return n; + return (status == 0) ? n : status; } static DEVICE_ATTR(mode, 0644, musb_mode_show, musb_mode_store); diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h index 82227251931..b3d60507307 100644 --- a/drivers/usb/musb/musb_core.h +++ b/drivers/usb/musb/musb_core.h @@ -467,7 +467,7 @@ extern void musb_platform_disable(struct musb *musb); extern void musb_hnp_stop(struct musb *musb); -extern void musb_platform_set_mode(struct musb *musb, u8 musb_mode); +extern int musb_platform_set_mode(struct musb *musb, u8 musb_mode); #if defined(CONFIG_USB_TUSB6010) || \ defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP34XX) diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c index ce6c162920f..52988a403b5 100644 --- a/drivers/usb/musb/omap2430.c +++ b/drivers/usb/musb/omap2430.c @@ -196,7 +196,7 @@ static int omap_set_power(struct otg_transceiver *x, unsigned mA) static int musb_platform_resume(struct musb *musb); -void musb_platform_set_mode(struct musb *musb, u8 musb_mode) +int musb_platform_set_mode(struct musb *musb, u8 musb_mode) { u8 devctl = musb_readb(musb->mregs, MUSB_DEVCTL); @@ -204,15 +204,24 @@ void musb_platform_set_mode(struct musb *musb, u8 musb_mode) musb_writeb(musb->mregs, MUSB_DEVCTL, devctl); switch (musb_mode) { +#ifdef CONFIG_USB_MUSB_HDRC_HCD case MUSB_HOST: otg_set_host(&musb->xceiv, musb->xceiv.host); break; +#endif +#ifdef CONFIG_USB_GADGET_MUSB_HDRC case MUSB_PERIPHERAL: otg_set_peripheral(&musb->xceiv, musb->xceiv.gadget); break; +#endif +#ifdef CONFIG_USB_MUSB_OTG case MUSB_OTG: break; +#endif + default: + return -EINVAL; } + return 0; } int __init musb_platform_init(struct musb *musb) diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c index ee8fca92a4a..9e20fd070d7 100644 --- a/drivers/usb/musb/tusb6010.c +++ b/drivers/usb/musb/tusb6010.c @@ -598,7 +598,7 @@ static void tusb_source_power(struct musb *musb, int is_on) * and peripheral modes in non-OTG configurations by reconfiguring hardware * and then setting musb->board_mode. For now, only support OTG mode. */ -void musb_platform_set_mode(struct musb *musb, u8 musb_mode) +int musb_platform_set_mode(struct musb *musb, u8 musb_mode) { void __iomem *tbase = musb->ctrl_base; u32 otg_stat, phy_otg_ctrl, phy_otg_ena, dev_conf; @@ -641,7 +641,8 @@ void musb_platform_set_mode(struct musb *musb, u8 musb_mode) #endif default: - DBG(2, "Trying to set unknown mode %i\n", musb_mode); + DBG(2, "Trying to set mode %i\n", musb_mode); + return -EINVAL; } musb_writel(tbase, TUSB_PHY_OTG_CTRL, @@ -655,6 +656,8 @@ void musb_platform_set_mode(struct musb *musb, u8 musb_mode) !(otg_stat & TUSB_DEV_OTG_STAT_ID_STATUS)) INFO("Cannot be peripheral with mini-A cable " "otg_stat: %08x\n", otg_stat); + + return 0; } static inline unsigned long |