Commit 1add75d2 authored by Felipe Balbi's avatar Felipe Balbi

usb: musb: tusb6010: give it a context structure

that structure currently only holds a device
pointer to our own platform_device and musb's
platform_device, but soon it will hold pointers
to our clock structures and glue-specific bits
and pieces.
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 0919dfc1
...@@ -25,6 +25,11 @@ ...@@ -25,6 +25,11 @@
#include "musb_core.h" #include "musb_core.h"
struct tusb6010_glue {
struct device *dev;
struct platform_device *musb;
};
static void tusb_musb_set_vbus(struct musb *musb, int is_on); static void tusb_musb_set_vbus(struct musb *musb, int is_on);
#define TUSB_REV_MAJOR(reg_val) ((reg_val >> 4) & 0xf) #define TUSB_REV_MAJOR(reg_val) ((reg_val >> 4) & 0xf)
...@@ -1193,32 +1198,42 @@ static int __init tusb_probe(struct platform_device *pdev) ...@@ -1193,32 +1198,42 @@ static int __init tusb_probe(struct platform_device *pdev)
{ {
struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data; struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data;
struct platform_device *musb; struct platform_device *musb;
struct tusb6010_glue *glue;
int ret = -ENOMEM; int ret = -ENOMEM;
glue = kzalloc(sizeof(*glue), GFP_KERNEL);
if (!glue) {
dev_err(&pdev->dev, "failed to allocate glue context\n");
goto err0;
}
musb = platform_device_alloc("musb-hdrc", -1); musb = platform_device_alloc("musb-hdrc", -1);
if (!musb) { if (!musb) {
dev_err(&pdev->dev, "failed to allocate musb device\n"); dev_err(&pdev->dev, "failed to allocate musb device\n");
goto err0; goto err1;
} }
musb->dev.parent = &pdev->dev; musb->dev.parent = &pdev->dev;
musb->dev.dma_mask = &tusb_dmamask; musb->dev.dma_mask = &tusb_dmamask;
musb->dev.coherent_dma_mask = tusb_dmamask; musb->dev.coherent_dma_mask = tusb_dmamask;
platform_set_drvdata(pdev, musb); glue->dev = &pdev->dev;
glue->musb = musb;
platform_set_drvdata(pdev, glue);
ret = platform_device_add_resources(musb, pdev->resource, ret = platform_device_add_resources(musb, pdev->resource,
pdev->num_resources); pdev->num_resources);
if (ret) { if (ret) {
dev_err(&pdev->dev, "failed to add resources\n"); dev_err(&pdev->dev, "failed to add resources\n");
goto err1; goto err2;
} }
ret = platform_device_add_data(musb, pdata, sizeof(*pdata)); ret = platform_device_add_data(musb, pdata, sizeof(*pdata));
if (ret) { if (ret) {
dev_err(&pdev->dev, "failed to add platform_data\n"); dev_err(&pdev->dev, "failed to add platform_data\n");
goto err1; goto err2;
} }
ret = platform_device_add(musb); ret = platform_device_add(musb);
...@@ -1229,19 +1244,23 @@ static int __init tusb_probe(struct platform_device *pdev) ...@@ -1229,19 +1244,23 @@ static int __init tusb_probe(struct platform_device *pdev)
return 0; return 0;
err1: err2:
platform_device_put(musb); platform_device_put(musb);
err1:
kfree(glue);
err0: err0:
return ret; return ret;
} }
static int __exit tusb_remove(struct platform_device *pdev) static int __exit tusb_remove(struct platform_device *pdev)
{ {
struct platform_device *musb = platform_get_drvdata(pdev); struct tusb6010_glue *glue = platform_get_drvdata(pdev);
platform_device_del(musb); platform_device_del(glue->musb);
platform_device_put(musb); platform_device_put(glue->musb);
kfree(glue);
return 0; return 0;
} }
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment