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authorB, Ravi <ravibabu@ti.com>2012-08-31 11:09:49 +0000
committerFelipe Balbi <balbi@ti.com>2012-09-11 17:34:41 +0300
commit65b3d52d02a558fbfe08e43688e15390c5ab3067 (patch)
tree0082a0e45c26ff015a7b0976e917c83d87db8e70 /drivers/usb/musb/musb_dsps.c
parent00a0b1d58af873d842580dcac55f3b156c3a4077 (diff)
downloadop-kernel-dev-65b3d52d02a558fbfe08e43688e15390c5ab3067.zip
op-kernel-dev-65b3d52d02a558fbfe08e43688e15390c5ab3067.tar.gz
usb: musb: add musb_ida for multi instance support
Added musb_ida in musb_core.c to manage the multi core ids. Signed-off-by: Ravi Babu <ravibabu@ti.com> Signed-off-by: Ajay Kumar Gupta <ajay.gupta@ti.com> Signed-off-by: Santhapuri, Damodar <damodar.santhapuri@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/musb/musb_dsps.c')
-rw-r--r--drivers/usb/musb/musb_dsps.c25
1 files changed, 18 insertions, 7 deletions
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index 51ff1bb..5351e96 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -448,7 +448,7 @@ static int __devinit dsps_create_musb_pdev(struct dsps_glue *glue, u8 id)
struct resource *res;
struct resource resources[2];
char res_name[10];
- int ret;
+ int ret, musbid;
/* get memory resource */
sprintf(res_name, "musb%d", id);
@@ -473,14 +473,22 @@ static int __devinit dsps_create_musb_pdev(struct dsps_glue *glue, u8 id)
res->parent = NULL;
resources[1] = *res;
+ /* get the musb id */
+ musbid = musb_get_id(dev, GFP_KERNEL);
+ if (musbid < 0) {
+ dev_err(dev, "failed to allocate musb id\n");
+ ret = -ENOMEM;
+ goto err0;
+ }
/* allocate the child platform device */
- musb = platform_device_alloc("musb-hdrc", -1);
+ musb = platform_device_alloc("musb-hdrc", musbid);
if (!musb) {
dev_err(dev, "failed to allocate musb device\n");
ret = -ENOMEM;
- goto err0;
+ goto err1;
}
+ musb->id = musbid;
musb->dev.parent = dev;
musb->dev.dma_mask = &musb_dmamask;
musb->dev.coherent_dma_mask = musb_dmamask;
@@ -492,31 +500,34 @@ static int __devinit dsps_create_musb_pdev(struct dsps_glue *glue, u8 id)
ret = platform_device_add_resources(musb, resources, 2);
if (ret) {
dev_err(dev, "failed to add resources\n");
- goto err1;
+ goto err2;
}
ret = platform_device_add_data(musb, pdata, sizeof(*pdata));
if (ret) {
dev_err(dev, "failed to add platform_data\n");
- goto err1;
+ goto err2;
}
ret = platform_device_add(musb);
if (ret) {
dev_err(dev, "failed to register musb device\n");
- goto err1;
+ goto err2;
}
return 0;
-err1:
+err2:
platform_device_put(musb);
+err1:
+ musb_put_id(dev, musbid);
err0:
return ret;
}
static void __devexit dsps_delete_musb_pdev(struct dsps_glue *glue)
{
+ musb_put_id(glue->dev, glue->musb->id);
platform_device_del(glue->musb);
platform_device_put(glue->musb);
}
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