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Diffstat (limited to 'drivers/usb/musb')
-rw-r--r--drivers/usb/musb/da8xx.c6
-rw-r--r--drivers/usb/musb/musb_core.c37
-rw-r--r--drivers/usb/musb/musb_cppi41.c23
-rw-r--r--drivers/usb/musb/musb_dsps.c6
-rw-r--r--drivers/usb/musb/musb_host.c10
-rw-r--r--drivers/usb/musb/sunxi.c2
-rw-r--r--drivers/usb/musb/tusb6010_omap.c13
7 files changed, 69 insertions, 28 deletions
diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c
index 2440f88e07a3..bacee0fd4dd3 100644
--- a/drivers/usb/musb/da8xx.c
+++ b/drivers/usb/musb/da8xx.c
@@ -434,15 +434,11 @@ static int da8xx_musb_exit(struct musb *musb)
}
static const struct musb_platform_ops da8xx_ops = {
- .quirks = MUSB_DMA_CPPI | MUSB_INDEXED_EP,
+ .quirks = MUSB_INDEXED_EP,
.init = da8xx_musb_init,
.exit = da8xx_musb_exit,
.fifo_mode = 2,
-#ifdef CONFIG_USB_TI_CPPI_DMA
- .dma_init = cppi_dma_controller_create,
- .dma_exit = cppi_dma_controller_destroy,
-#endif
.enable = da8xx_musb_enable,
.disable = da8xx_musb_disable,
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 338575fb2d27..aac28d998073 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -890,7 +890,7 @@ b_host:
*/
if (int_usb & MUSB_INTR_RESET) {
handled = IRQ_HANDLED;
- if (devctl & MUSB_DEVCTL_HM) {
+ if (is_host_active(musb)) {
/*
* When BABBLE happens what we can depends on which
* platform MUSB is running, because some platforms
@@ -900,9 +900,7 @@ b_host:
* drop the session.
*/
dev_err(musb->controller, "Babble\n");
-
- if (is_host_active(musb))
- musb_recover_from_babble(musb);
+ musb_recover_from_babble(musb);
} else {
musb_dbg(musb, "BUS RESET as %s",
usb_otg_state_string(musb->xceiv->otg->state));
@@ -1909,6 +1907,14 @@ static void musb_pm_runtime_check_session(struct musb *musb)
static void musb_irq_work(struct work_struct *data)
{
struct musb *musb = container_of(data, struct musb, irq_work.work);
+ int error;
+
+ error = pm_runtime_get_sync(musb->controller);
+ if (error < 0) {
+ dev_err(musb->controller, "Could not enable: %i\n", error);
+
+ return;
+ }
musb_pm_runtime_check_session(musb);
@@ -1916,6 +1922,9 @@ static void musb_irq_work(struct work_struct *data)
musb->xceiv_old_state = musb->xceiv->otg->state;
sysfs_notify(&musb->controller->kobj, NULL, "mode");
}
+
+ pm_runtime_mark_last_busy(musb->controller);
+ pm_runtime_put_autosuspend(musb->controller);
}
static void musb_recover_from_babble(struct musb *musb)
@@ -2467,8 +2476,8 @@ static int musb_remove(struct platform_device *pdev)
pm_runtime_get_sync(musb->controller);
musb_host_cleanup(musb);
musb_gadget_cleanup(musb);
- spin_lock_irqsave(&musb->lock, flags);
musb_platform_disable(musb);
+ spin_lock_irqsave(&musb->lock, flags);
musb_generic_disable(musb);
spin_unlock_irqrestore(&musb->lock, flags);
musb_writeb(musb->mregs, MUSB_DEVCTL, 0);
@@ -2644,6 +2653,13 @@ static int musb_suspend(struct device *dev)
{
struct musb *musb = dev_to_musb(dev);
unsigned long flags;
+ int ret;
+
+ ret = pm_runtime_get_sync(dev);
+ if (ret < 0) {
+ pm_runtime_put_noidle(dev);
+ return ret;
+ }
musb_platform_disable(musb);
musb_generic_disable(musb);
@@ -2692,14 +2708,6 @@ static int musb_resume(struct device *dev)
if ((devctl & mask) != (musb->context.devctl & mask))
musb->port1_status = 0;
- /*
- * The USB HUB code expects the device to be in RPM_ACTIVE once it came
- * out of suspend
- */
- pm_runtime_disable(dev);
- pm_runtime_set_active(dev);
- pm_runtime_enable(dev);
-
musb_start(musb);
spin_lock_irqsave(&musb->lock, flags);
@@ -2709,6 +2717,9 @@ static int musb_resume(struct device *dev)
error);
spin_unlock_irqrestore(&musb->lock, flags);
+ pm_runtime_mark_last_busy(dev);
+ pm_runtime_put_autosuspend(dev);
+
return 0;
}
diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c
index d4d7c56b48c7..cb443df1113e 100644
--- a/drivers/usb/musb/musb_cppi41.c
+++ b/drivers/usb/musb/musb_cppi41.c
@@ -232,8 +232,27 @@ static void cppi41_dma_callback(void *private_data)
transferred < cppi41_channel->packet_sz)
cppi41_channel->prog_len = 0;
- if (cppi41_channel->is_tx)
- empty = musb_is_tx_fifo_empty(hw_ep);
+ if (cppi41_channel->is_tx) {
+ u8 type;
+
+ if (is_host_active(musb))
+ type = hw_ep->out_qh->type;
+ else
+ type = hw_ep->ep_in.type;
+
+ if (type == USB_ENDPOINT_XFER_ISOC)
+ /*
+ * Don't use the early-TX-interrupt workaround below
+ * for Isoch transfter. Since Isoch are periodic
+ * transfer, by the time the next transfer is
+ * scheduled, the current one should be done already.
+ *
+ * This avoids audio playback underrun issue.
+ */
+ empty = true;
+ else
+ empty = musb_is_tx_fifo_empty(hw_ep);
+ }
if (!cppi41_channel->is_tx || empty) {
cppi41_trans_done(cppi41_channel);
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index 9f125e179acd..39666fb911b0 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -213,6 +213,12 @@ static int dsps_check_status(struct musb *musb, void *unused)
msecs_to_jiffies(wrp->poll_timeout));
break;
case OTG_STATE_A_WAIT_BCON:
+ /* keep VBUS on for host-only mode */
+ if (musb->port_mode == MUSB_PORT_MODE_HOST) {
+ mod_timer(&glue->timer, jiffies +
+ msecs_to_jiffies(wrp->poll_timeout));
+ break;
+ }
musb_writeb(musb->mregs, MUSB_DEVCTL, 0);
skip_session = 1;
/* fall */
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 806451418cfe..55c624f2a8c0 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -139,6 +139,7 @@ static void musb_h_tx_flush_fifo(struct musb_hw_ep *ep)
"Could not flush host TX%d fifo: csr: %04x\n",
ep->epnum, csr))
return;
+ mdelay(1);
}
}
@@ -2780,10 +2781,11 @@ int musb_host_setup(struct musb *musb, int power_budget)
int ret;
struct usb_hcd *hcd = musb->hcd;
- MUSB_HST_MODE(musb);
- musb->xceiv->otg->default_a = 1;
- musb->xceiv->otg->state = OTG_STATE_A_IDLE;
-
+ if (musb->port_mode == MUSB_PORT_MODE_HOST) {
+ MUSB_HST_MODE(musb);
+ musb->xceiv->otg->default_a = 1;
+ musb->xceiv->otg->state = OTG_STATE_A_IDLE;
+ }
otg_set_host(musb->xceiv->otg, &hcd->self);
hcd->self.otg_port = 1;
musb->xceiv->otg->host = &hcd->self;
diff --git a/drivers/usb/musb/sunxi.c b/drivers/usb/musb/sunxi.c
index 1408245be18e..3e1f3daa42f5 100644
--- a/drivers/usb/musb/sunxi.c
+++ b/drivers/usb/musb/sunxi.c
@@ -313,6 +313,8 @@ static int sunxi_musb_exit(struct musb *musb)
if (test_bit(SUNXI_MUSB_FL_HAS_SRAM, &glue->flags))
sunxi_sram_release(musb->controller->parent);
+ devm_usb_put_phy(glue->dev, glue->xceiv);
+
return 0;
}
diff --git a/drivers/usb/musb/tusb6010_omap.c b/drivers/usb/musb/tusb6010_omap.c
index e6959ccb4453..404742672658 100644
--- a/drivers/usb/musb/tusb6010_omap.c
+++ b/drivers/usb/musb/tusb6010_omap.c
@@ -220,6 +220,7 @@ static int tusb_omap_dma_program(struct dma_channel *channel, u16 packet_sz,
u32 dma_remaining;
int src_burst, dst_burst;
u16 csr;
+ u32 psize;
int ch;
s8 dmareq;
s8 sync_dev;
@@ -391,15 +392,19 @@ static int tusb_omap_dma_program(struct dma_channel *channel, u16 packet_sz,
if (chdat->tx) {
/* Send transfer_packet_sz packets at a time */
- musb_writel(ep_conf, TUSB_EP_MAX_PACKET_SIZE_OFFSET,
- chdat->transfer_packet_sz);
+ psize = musb_readl(ep_conf, TUSB_EP_MAX_PACKET_SIZE_OFFSET);
+ psize &= ~0x7ff;
+ psize |= chdat->transfer_packet_sz;
+ musb_writel(ep_conf, TUSB_EP_MAX_PACKET_SIZE_OFFSET, psize);
musb_writel(ep_conf, TUSB_EP_TX_OFFSET,
TUSB_EP_CONFIG_XFR_SIZE(chdat->transfer_len));
} else {
/* Receive transfer_packet_sz packets at a time */
- musb_writel(ep_conf, TUSB_EP_MAX_PACKET_SIZE_OFFSET,
- chdat->transfer_packet_sz << 16);
+ psize = musb_readl(ep_conf, TUSB_EP_MAX_PACKET_SIZE_OFFSET);
+ psize &= ~(0x7ff << 16);
+ psize |= (chdat->transfer_packet_sz << 16);
+ musb_writel(ep_conf, TUSB_EP_MAX_PACKET_SIZE_OFFSET, psize);
musb_writel(ep_conf, TUSB_EP_RX_OFFSET,
TUSB_EP_CONFIG_XFR_SIZE(chdat->transfer_len));