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path: root/drivers/usb/musb
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Diffstat (limited to 'drivers/usb/musb')
-rw-r--r--drivers/usb/musb/musb_core.c48
-rw-r--r--drivers/usb/musb/musb_core.h2
-rw-r--r--drivers/usb/musb/musb_gadget.c5
-rw-r--r--drivers/usb/musb/musb_host.c8
-rw-r--r--drivers/usb/musb/omap2430.c30
-rw-r--r--drivers/usb/musb/ux500.c7
6 files changed, 67 insertions, 33 deletions
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index ee9ff7028..c3791a01a 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 2337d7a7d..fd215fb45 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 67ad630c8..87bd57879 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/musb_host.c b/drivers/usb/musb/musb_host.c
index 795a45b1b..58487a473 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -662,7 +662,7 @@ static int musb_tx_dma_set_mode_mentor(struct dma_controller *dma,
csr &= ~(MUSB_TXCSR_AUTOSET | MUSB_TXCSR_DMAMODE);
csr |= MUSB_TXCSR_DMAENAB; /* against programmer's guide */
}
- channel->desired_mode = mode;
+ channel->desired_mode = *mode;
musb_writew(epio, MUSB_TXCSR, csr);
return 0;
@@ -2003,10 +2003,8 @@ void musb_host_rx(struct musb *musb, u8 epnum)
qh->offset,
urb->transfer_buffer_length);
- done = musb_rx_dma_in_inventra_cppi41(c, hw_ep, qh,
- urb, xfer_len,
- iso_err);
- if (done)
+ if (musb_rx_dma_in_inventra_cppi41(c, hw_ep, qh, urb,
+ xfer_len, iso_err))
goto finish;
else
dev_err(musb->controller, "error: rx_dma failed\n");
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index 1bd9232ff..c84e0322c 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;
}
diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c
index b2685e75a..3eaa4ba68 100644
--- a/drivers/usb/musb/ux500.c
+++ b/drivers/usb/musb/ux500.c
@@ -348,7 +348,9 @@ static int ux500_suspend(struct device *dev)
struct ux500_glue *glue = dev_get_drvdata(dev);
struct musb *musb = glue_to_musb(glue);
- usb_phy_set_suspend(musb->xceiv, 1);
+ if (musb)
+ usb_phy_set_suspend(musb->xceiv, 1);
+
clk_disable_unprepare(glue->clk);
return 0;
@@ -366,7 +368,8 @@ static int ux500_resume(struct device *dev)
return ret;
}
- usb_phy_set_suspend(musb->xceiv, 0);
+ if (musb)
+ usb_phy_set_suspend(musb->xceiv, 0);
return 0;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-05 17:53:34 +0000