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path: root/drivers/usb/musb/davinci.c
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Diffstat (limited to 'drivers/usb/musb/davinci.c')
-rw-r--r--drivers/usb/musb/davinci.c125
1 files changed, 55 insertions, 70 deletions
diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c
index 606bfd00cde..de8492b06e4 100644
--- a/drivers/usb/musb/davinci.c
+++ b/drivers/usb/musb/davinci.c
@@ -24,7 +24,6 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/sched.h>
-#include <linux/init.h>
#include <linux/list.h>
#include <linux/delay.h>
#include <linux/clk.h>
@@ -33,7 +32,7 @@
#include <linux/gpio.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/cputype.h>
#include <mach/hardware.h>
@@ -215,7 +214,7 @@ 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) {
@@ -349,7 +348,7 @@ static irqreturn_t davinci_musb_interrupt(int irq, void *__hci)
davinci_musb_source_power(musb, drvvbus, 0);
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);
retval = IRQ_HANDLED;
@@ -380,11 +379,13 @@ static int davinci_musb_init(struct musb *musb)
{
void __iomem *tibase = musb->ctrl_base;
u32 revision;
+ int ret = -ENODEV;
- 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 unregister;
+ }
musb->mregs += DAVINCI_BASE_OFFSET;
@@ -437,8 +438,8 @@ static int davinci_musb_init(struct musb *musb)
fail:
usb_put_phy(musb->xceiv);
unregister:
- usb_nop_xceiv_unregister();
- return -ENODEV;
+ usb_phy_generic_unregister();
+ return ret;
}
static int davinci_musb_exit(struct musb *musb)
@@ -485,7 +486,6 @@ static int davinci_musb_exit(struct musb *musb)
phy_off();
usb_put_phy(musb->xceiv);
- usb_nop_xceiv_unregister();
return 0;
}
@@ -502,17 +502,22 @@ static const struct musb_platform_ops davinci_ops = {
.set_vbus = davinci_musb_set_vbus,
};
-static u64 davinci_dmamask = DMA_BIT_MASK(32);
+static const struct platform_device_info davinci_dev_info = {
+ .name = "musb-hdrc",
+ .id = PLATFORM_DEVID_AUTO,
+ .dma_mask = DMA_BIT_MASK(32),
+};
-static int __devinit davinci_probe(struct platform_device *pdev)
+static int davinci_probe(struct platform_device *pdev)
{
- struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data;
+ struct resource musb_resources[3];
+ struct musb_hdrc_platform_data *pdata = dev_get_platdata(&pdev->dev);
struct platform_device *musb;
struct davinci_glue *glue;
+ struct platform_device_info pinfo;
struct clk *clk;
int ret = -ENOMEM;
- int musbid;
glue = kzalloc(sizeof(*glue), GFP_KERNEL);
if (!glue) {
@@ -520,20 +525,6 @@ static int __devinit davinci_probe(struct platform_device *pdev)
goto err0;
}
- /* get the musb id */
- musbid = musb_get_id(&pdev->dev, GFP_KERNEL);
- if (musbid < 0) {
- dev_err(&pdev->dev, "failed to allocate musb id\n");
- ret = -ENOMEM;
- goto err1;
- }
-
- musb = platform_device_alloc("musb-hdrc", musbid);
- if (!musb) {
- dev_err(&pdev->dev, "failed to allocate musb device\n");
- goto err2;
- }
-
clk = clk_get(&pdev->dev, "usb");
if (IS_ERR(clk)) {
dev_err(&pdev->dev, "failed to get clock\n");
@@ -547,35 +538,47 @@ static int __devinit davinci_probe(struct platform_device *pdev)
goto err4;
}
- musb->id = musbid;
- musb->dev.parent = &pdev->dev;
- musb->dev.dma_mask = &davinci_dmamask;
- musb->dev.coherent_dma_mask = davinci_dmamask;
-
glue->dev = &pdev->dev;
- glue->musb = musb;
glue->clk = clk;
pdata->platform_ops = &davinci_ops;
+ usb_phy_generic_register();
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");
- goto err5;
- }
+ memset(musb_resources, 0x00, sizeof(*musb_resources) *
+ ARRAY_SIZE(musb_resources));
- ret = platform_device_add_data(musb, pdata, sizeof(*pdata));
- if (ret) {
- dev_err(&pdev->dev, "failed to add platform_data\n");
- goto err5;
- }
+ 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;
- ret = platform_device_add(musb);
- if (ret) {
- dev_err(&pdev->dev, "failed to register musb device\n");
+ 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;
+
+ /*
+ * For DM6467 3 resources are passed. A placeholder for the 3rd
+ * resource is always there, so it's safe to always copy it...
+ */
+ musb_resources[2].name = pdev->resource[2].name;
+ musb_resources[2].start = pdev->resource[2].start;
+ musb_resources[2].end = pdev->resource[2].end;
+ musb_resources[2].flags = pdev->resource[2].flags;
+
+ pinfo = davinci_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 err5;
}
@@ -588,25 +591,18 @@ err4:
clk_put(clk);
err3:
- platform_device_put(musb);
-
-err2:
- musb_put_id(&pdev->dev, musbid);
-
-err1:
kfree(glue);
err0:
return ret;
}
-static int __devexit davinci_remove(struct platform_device *pdev)
+static int davinci_remove(struct platform_device *pdev)
{
struct davinci_glue *glue = platform_get_drvdata(pdev);
- musb_put_id(&pdev->dev, glue->musb->id);
- platform_device_del(glue->musb);
- platform_device_put(glue->musb);
+ platform_device_unregister(glue->musb);
+ usb_phy_generic_unregister();
clk_disable(glue->clk);
clk_put(glue->clk);
kfree(glue);
@@ -616,7 +612,7 @@ static int __devexit davinci_remove(struct platform_device *pdev)
static struct platform_driver davinci_driver = {
.probe = davinci_probe,
- .remove = __devexit_p(davinci_remove),
+ .remove = davinci_remove,
.driver = {
.name = "musb-davinci",
},
@@ -625,15 +621,4 @@ static struct platform_driver davinci_driver = {
MODULE_DESCRIPTION("DaVinci MUSB Glue Layer");
MODULE_AUTHOR("Felipe Balbi <balbi@ti.com>");
MODULE_LICENSE("GPL v2");
-
-static int __init davinci_init(void)
-{
- return platform_driver_register(&davinci_driver);
-}
-module_init(davinci_init);
-
-static void __exit davinci_exit(void)
-{
- platform_driver_unregister(&davinci_driver);
-}
-module_exit(davinci_exit);
+module_platform_driver(davinci_driver);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 23:05:22 +0000