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path: root/drivers/usb/musb/da8xx.c
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Diffstat (limited to 'drivers/usb/musb/da8xx.c')
-rw-r--r--drivers/usb/musb/da8xx.c97
1 files changed, 53 insertions, 44 deletions
diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c
index 97996af2646..058775e647a 100644
--- a/drivers/usb/musb/da8xx.c
+++ b/drivers/usb/musb/da8xx.c
@@ -26,14 +26,13 @@
*
*/
-#include <linux/init.h>
#include <linux/module.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
-#include <linux/usb/nop-usb-xceiv.h>
+#include <linux/usb/usb_phy_generic.h>
#include <mach/da8xx.h>
#include <linux/platform_data/usb-davinci.h>
@@ -86,6 +85,7 @@
struct da8xx_glue {
struct device *dev;
struct platform_device *musb;
+ struct platform_device *phy;
struct clk *clk;
};
@@ -198,7 +198,7 @@ static void otg_timer(unsigned long _musb)
*/
devctl = musb_readb(mregs, MUSB_DEVCTL);
dev_dbg(musb->controller, "Poll devctl %02x (%s)\n", devctl,
- otg_state_string(musb->xceiv->state));
+ usb_otg_state_string(musb->xceiv->state));
spin_lock_irqsave(&musb->lock, flags);
switch (musb->xceiv->state) {
@@ -267,7 +267,7 @@ static void da8xx_musb_try_idle(struct musb *musb, unsigned long timeout)
if (musb->is_active || (musb->a_wait_bcon == 0 &&
musb->xceiv->state == OTG_STATE_A_WAIT_BCON)) {
dev_dbg(musb->controller, "%s active, deleting timer\n",
- otg_state_string(musb->xceiv->state));
+ usb_otg_state_string(musb->xceiv->state));
del_timer(&otg_workaround);
last_timer = jiffies;
return;
@@ -280,7 +280,7 @@ static void da8xx_musb_try_idle(struct musb *musb, unsigned long timeout)
last_timer = timeout;
dev_dbg(musb->controller, "%s inactive, starting idle timer for %u ms\n",
- otg_state_string(musb->xceiv->state),
+ usb_otg_state_string(musb->xceiv->state),
jiffies_to_msecs(timeout - jiffies));
mod_timer(&otg_workaround, timeout);
}
@@ -327,7 +327,7 @@ static irqreturn_t da8xx_musb_interrupt(int irq, void *hci)
u8 devctl = musb_readb(mregs, MUSB_DEVCTL);
int err;
- err = musb->int_usb & USB_INTR_VBUSERROR;
+ err = musb->int_usb & MUSB_INTR_VBUSERROR;
if (err) {
/*
* The Mentor core doesn't debounce VBUS as needed
@@ -360,7 +360,7 @@ static irqreturn_t da8xx_musb_interrupt(int irq, void *hci)
dev_dbg(musb->controller, "VBUS %s (%s)%s, devctl %02x\n",
drvvbus ? "on" : "off",
- otg_state_string(musb->xceiv->state),
+ usb_otg_state_string(musb->xceiv->state),
err ? " ERROR" : "",
devctl);
ret = IRQ_HANDLED;
@@ -410,6 +410,7 @@ static int da8xx_musb_init(struct musb *musb)
{
void __iomem *reg_base = musb->ctrl_base;
u32 rev;
+ int ret = -ENODEV;
musb->mregs += DA8XX_MENTOR_CORE_OFFSET;
@@ -418,10 +419,11 @@ static int da8xx_musb_init(struct musb *musb)
if (!rev)
goto fail;
- usb_nop_xceiv_register();
musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2);
- if (IS_ERR_OR_NULL(musb->xceiv))
+ if (IS_ERR_OR_NULL(musb->xceiv)) {
+ ret = -EPROBE_DEFER;
goto fail;
+ }
setup_timer(&otg_workaround, otg_timer, (unsigned long)musb);
@@ -441,7 +443,7 @@ static int da8xx_musb_init(struct musb *musb)
musb->isr = da8xx_musb_interrupt;
return 0;
fail:
- return -ENODEV;
+ return ret;
}
static int da8xx_musb_exit(struct musb *musb)
@@ -451,7 +453,6 @@ static int da8xx_musb_exit(struct musb *musb)
phy_off();
usb_put_phy(musb->xceiv);
- usb_nop_xceiv_unregister();
return 0;
}
@@ -469,14 +470,19 @@ static const struct musb_platform_ops da8xx_ops = {
.set_vbus = da8xx_musb_set_vbus,
};
-static u64 da8xx_dmamask = DMA_BIT_MASK(32);
+static const struct platform_device_info da8xx_dev_info = {
+ .name = "musb-hdrc",
+ .id = PLATFORM_DEVID_AUTO,
+ .dma_mask = DMA_BIT_MASK(32),
+};
static int da8xx_probe(struct platform_device *pdev)
{
- struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data;
+ struct resource musb_resources[2];
+ struct musb_hdrc_platform_data *pdata = dev_get_platdata(&pdev->dev);
struct platform_device *musb;
struct da8xx_glue *glue;
-
+ struct platform_device_info pinfo;
struct clk *clk;
int ret = -ENOMEM;
@@ -487,12 +493,6 @@ static int da8xx_probe(struct platform_device *pdev)
goto err0;
}
- musb = platform_device_alloc("musb-hdrc", PLATFORM_DEVID_AUTO);
- if (!musb) {
- dev_err(&pdev->dev, "failed to allocate musb device\n");
- goto err1;
- }
-
clk = clk_get(&pdev->dev, "usb20");
if (IS_ERR(clk)) {
dev_err(&pdev->dev, "failed to get clock\n");
@@ -506,39 +506,50 @@ static int da8xx_probe(struct platform_device *pdev)
goto err4;
}
- musb->dev.parent = &pdev->dev;
- musb->dev.dma_mask = &da8xx_dmamask;
- musb->dev.coherent_dma_mask = da8xx_dmamask;
-
glue->dev = &pdev->dev;
- glue->musb = musb;
glue->clk = clk;
pdata->platform_ops = &da8xx_ops;
- platform_set_drvdata(pdev, glue);
-
- ret = platform_device_add_resources(musb, pdev->resource,
- pdev->num_resources);
- if (ret) {
- dev_err(&pdev->dev, "failed to add resources\n");
+ glue->phy = usb_phy_generic_register();
+ if (IS_ERR(glue->phy)) {
+ ret = PTR_ERR(glue->phy);
goto err5;
}
+ platform_set_drvdata(pdev, glue);
- ret = platform_device_add_data(musb, pdata, sizeof(*pdata));
- if (ret) {
- dev_err(&pdev->dev, "failed to add platform_data\n");
- goto err5;
- }
-
- ret = platform_device_add(musb);
- if (ret) {
- dev_err(&pdev->dev, "failed to register musb device\n");
- goto err5;
+ memset(musb_resources, 0x00, sizeof(*musb_resources) *
+ ARRAY_SIZE(musb_resources));
+
+ musb_resources[0].name = pdev->resource[0].name;
+ musb_resources[0].start = pdev->resource[0].start;
+ musb_resources[0].end = pdev->resource[0].end;
+ musb_resources[0].flags = pdev->resource[0].flags;
+
+ musb_resources[1].name = pdev->resource[1].name;
+ musb_resources[1].start = pdev->resource[1].start;
+ musb_resources[1].end = pdev->resource[1].end;
+ musb_resources[1].flags = pdev->resource[1].flags;
+
+ pinfo = da8xx_dev_info;
+ pinfo.parent = &pdev->dev;
+ pinfo.res = musb_resources;
+ pinfo.num_res = ARRAY_SIZE(musb_resources);
+ pinfo.data = pdata;
+ pinfo.size_data = sizeof(*pdata);
+
+ glue->musb = musb = platform_device_register_full(&pinfo);
+ if (IS_ERR(musb)) {
+ ret = PTR_ERR(musb);
+ dev_err(&pdev->dev, "failed to register musb device: %d\n", ret);
+ goto err6;
}
return 0;
+err6:
+ usb_phy_generic_unregister(glue->phy);
+
err5:
clk_disable(clk);
@@ -546,9 +557,6 @@ err4:
clk_put(clk);
err3:
- platform_device_put(musb);
-
-err1:
kfree(glue);
err0:
@@ -560,6 +568,7 @@ static int da8xx_remove(struct platform_device *pdev)
struct da8xx_glue *glue = platform_get_drvdata(pdev);
platform_device_unregister(glue->musb);
+ usb_phy_generic_unregister(glue->phy);
clk_disable(glue->clk);
clk_put(glue->clk);
kfree(glue);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 20:56:28 +0000