From: Ravi Babu <ravibabu-l0cyMroinI0@public.gmane.org>
To: linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
balbi-l0cyMroinI0@public.gmane.org,
grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org,
devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org,
ajayguptaj-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Subject: [PATCH v8 03/13] usb: musb: add musb_ida for multi instance support
Date: Thu, 30 Aug 2012 16:20:15 +0530 [thread overview]
Message-ID: <1346323825-24385-4-git-send-email-ravibabu@ti.com> (raw)
In-Reply-To: <1346323825-24385-1-git-send-email-ravibabu-l0cyMroinI0@public.gmane.org>
Added musb_ida in musb_core.c to manage the multi core ids.
Signed-off-by: Ajay Kumar Gupta <ajay.gupta-l0cyMroinI0@public.gmane.org>
Signed-off-by: Ravi Babu <ravibabu-l0cyMroinI0@public.gmane.org>
Signed-off-by: Santhapuri, Damodar <damodar.santhapuri-l0cyMroinI0@public.gmane.org>
Signed-off-by: Ravi Babu <ravibabu-l0cyMroinI0@public.gmane.org>
---
drivers/usb/musb/am35x.c | 42 ++++++++++++++++++++++++++++--------------
drivers/usb/musb/blackfin.c | 26 ++++++++++++++++++++------
drivers/usb/musb/da8xx.c | 34 ++++++++++++++++++++++++----------
drivers/usb/musb/davinci.c | 34 ++++++++++++++++++++++++----------
drivers/usb/musb/musb_core.c | 31 +++++++++++++++++++++++++++++++
drivers/usb/musb/musb_core.h | 2 ++
drivers/usb/musb/musb_dsps.c | 25 ++++++++++++++++++-------
drivers/usb/musb/omap2430.c | 26 ++++++++++++++++++++------
drivers/usb/musb/tusb6010.c | 26 ++++++++++++++++++++------
drivers/usb/musb/ux500.c | 33 +++++++++++++++++++++++----------
10 files changed, 210 insertions(+), 69 deletions(-)
diff --git a/drivers/usb/musb/am35x.c b/drivers/usb/musb/am35x.c
index 29b1d60..457f25e 100644
--- a/drivers/usb/musb/am35x.c
+++ b/drivers/usb/musb/am35x.c
@@ -459,6 +459,7 @@ static int __devinit am35x_probe(struct platform_device *pdev)
struct clk *clk;
int ret = -ENOMEM;
+ int musbid;
glue = kzalloc(sizeof(*glue), GFP_KERNEL);
if (!glue) {
@@ -466,38 +467,47 @@ static int __devinit am35x_probe(struct platform_device *pdev)
goto err0;
}
- musb = platform_device_alloc("musb-hdrc", -1);
+ /* 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 err1;
+ goto err2;
}
phy_clk = clk_get(&pdev->dev, "fck");
if (IS_ERR(phy_clk)) {
dev_err(&pdev->dev, "failed to get PHY clock\n");
ret = PTR_ERR(phy_clk);
- goto err2;
+ goto err3;
}
clk = clk_get(&pdev->dev, "ick");
if (IS_ERR(clk)) {
dev_err(&pdev->dev, "failed to get clock\n");
ret = PTR_ERR(clk);
- goto err3;
+ goto err4;
}
ret = clk_enable(phy_clk);
if (ret) {
dev_err(&pdev->dev, "failed to enable PHY clock\n");
- goto err4;
+ goto err5;
}
ret = clk_enable(clk);
if (ret) {
dev_err(&pdev->dev, "failed to enable clock\n");
- goto err5;
+ goto err6;
}
+ musb->id = musbid;
musb->dev.parent = &pdev->dev;
musb->dev.dma_mask = &am35x_dmamask;
musb->dev.coherent_dma_mask = am35x_dmamask;
@@ -515,38 +525,41 @@ static int __devinit am35x_probe(struct platform_device *pdev)
pdev->num_resources);
if (ret) {
dev_err(&pdev->dev, "failed to add resources\n");
- goto err6;
+ goto err7;
}
ret = platform_device_add_data(musb, pdata, sizeof(*pdata));
if (ret) {
dev_err(&pdev->dev, "failed to add platform_data\n");
- goto err6;
+ goto err7;
}
ret = platform_device_add(musb);
if (ret) {
dev_err(&pdev->dev, "failed to register musb device\n");
- goto err6;
+ goto err7;
}
return 0;
-err6:
+err7:
clk_disable(clk);
-err5:
+err6:
clk_disable(phy_clk);
-err4:
+err5:
clk_put(clk);
-err3:
+err4:
clk_put(phy_clk);
-err2:
+err3:
platform_device_put(musb);
+err2:
+ musb_put_id(&pdev->dev, musbid);
+
err1:
kfree(glue);
@@ -558,6 +571,7 @@ static int __devexit am35x_remove(struct platform_device *pdev)
{
struct am35x_glue *glue = platform_get_drvdata(pdev);
+ musb_put_id(&pdev->dev, glue->musb->id);
platform_device_del(glue->musb);
platform_device_put(glue->musb);
clk_disable(glue->clk);
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index 2a80dec..e8cff9b 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
@@ -455,6 +455,7 @@ static int __devinit bfin_probe(struct platform_device *pdev)
struct bfin_glue *glue;
int ret = -ENOMEM;
+ int musbid;
glue = kzalloc(sizeof(*glue), GFP_KERNEL);
if (!glue) {
@@ -462,12 +463,21 @@ static int __devinit bfin_probe(struct platform_device *pdev)
goto err0;
}
- musb = platform_device_alloc("musb-hdrc", -1);
+ /* 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 err1;
+ goto err2;
}
+ musb->id = musbid;
musb->dev.parent = &pdev->dev;
musb->dev.dma_mask = &bfin_dmamask;
musb->dev.coherent_dma_mask = bfin_dmamask;
@@ -483,26 +493,29 @@ static int __devinit bfin_probe(struct platform_device *pdev)
pdev->num_resources);
if (ret) {
dev_err(&pdev->dev, "failed to add resources\n");
- goto err2;
+ goto err3;
}
ret = platform_device_add_data(musb, pdata, sizeof(*pdata));
if (ret) {
dev_err(&pdev->dev, "failed to add platform_data\n");
- goto err2;
+ goto err3;
}
ret = platform_device_add(musb);
if (ret) {
dev_err(&pdev->dev, "failed to register musb device\n");
- goto err2;
+ goto err3;
}
return 0;
-err2:
+err3:
platform_device_put(musb);
+err2:
+ musb_put_id(&pdev->dev, musbid);
+
err1:
kfree(glue);
@@ -514,6 +527,7 @@ static int __devexit bfin_remove(struct platform_device *pdev)
{
struct bfin_glue *glue = platform_get_drvdata(pdev);
+ musb_put_id(&pdev->dev, glue->musb->id);
platform_device_del(glue->musb);
platform_device_put(glue->musb);
kfree(glue);
diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c
index 04858bf..ce11d20 100644
--- a/drivers/usb/musb/da8xx.c
+++ b/drivers/usb/musb/da8xx.c
@@ -480,6 +480,7 @@ static int __devinit da8xx_probe(struct platform_device *pdev)
struct clk *clk;
int ret = -ENOMEM;
+ int musbid;
glue = kzalloc(sizeof(*glue), GFP_KERNEL);
if (!glue) {
@@ -487,25 +488,34 @@ static int __devinit da8xx_probe(struct platform_device *pdev)
goto err0;
}
- musb = platform_device_alloc("musb-hdrc", -1);
+ /* 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 err1;
+ goto err2;
}
clk = clk_get(&pdev->dev, "usb20");
if (IS_ERR(clk)) {
dev_err(&pdev->dev, "failed to get clock\n");
ret = PTR_ERR(clk);
- goto err2;
+ goto err3;
}
ret = clk_enable(clk);
if (ret) {
dev_err(&pdev->dev, "failed to enable clock\n");
- goto err3;
+ goto err4;
}
+ musb->id = musbid;
musb->dev.parent = &pdev->dev;
musb->dev.dma_mask = &da8xx_dmamask;
musb->dev.coherent_dma_mask = da8xx_dmamask;
@@ -522,32 +532,35 @@ static int __devinit da8xx_probe(struct platform_device *pdev)
pdev->num_resources);
if (ret) {
dev_err(&pdev->dev, "failed to add resources\n");
- goto err4;
+ goto err5;
}
ret = platform_device_add_data(musb, pdata, sizeof(*pdata));
if (ret) {
dev_err(&pdev->dev, "failed to add platform_data\n");
- goto err4;
+ goto err5;
}
ret = platform_device_add(musb);
if (ret) {
dev_err(&pdev->dev, "failed to register musb device\n");
- goto err4;
+ goto err5;
}
return 0;
-err4:
+err5:
clk_disable(clk);
-err3:
+err4:
clk_put(clk);
-err2:
+err3:
platform_device_put(musb);
+err2:
+ musb_put_id(&pdev->dev, musbid);
+
err1:
kfree(glue);
@@ -559,6 +572,7 @@ static int __devexit da8xx_remove(struct platform_device *pdev)
{
struct da8xx_glue *glue = platform_get_drvdata(pdev);
+ musb_put_id(&pdev->dev, glue->musb->id);
platform_device_del(glue->musb);
platform_device_put(glue->musb);
clk_disable(glue->clk);
diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c
index 72d5b7b..606bfd0 100644
--- a/drivers/usb/musb/davinci.c
+++ b/drivers/usb/musb/davinci.c
@@ -512,6 +512,7 @@ static int __devinit davinci_probe(struct platform_device *pdev)
struct clk *clk;
int ret = -ENOMEM;
+ int musbid;
glue = kzalloc(sizeof(*glue), GFP_KERNEL);
if (!glue) {
@@ -519,25 +520,34 @@ static int __devinit davinci_probe(struct platform_device *pdev)
goto err0;
}
- musb = platform_device_alloc("musb-hdrc", -1);
+ /* 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 err1;
+ goto err2;
}
clk = clk_get(&pdev->dev, "usb");
if (IS_ERR(clk)) {
dev_err(&pdev->dev, "failed to get clock\n");
ret = PTR_ERR(clk);
- goto err2;
+ goto err3;
}
ret = clk_enable(clk);
if (ret) {
dev_err(&pdev->dev, "failed to enable clock\n");
- goto err3;
+ goto err4;
}
+ musb->id = musbid;
musb->dev.parent = &pdev->dev;
musb->dev.dma_mask = &davinci_dmamask;
musb->dev.coherent_dma_mask = davinci_dmamask;
@@ -554,32 +564,35 @@ static int __devinit davinci_probe(struct platform_device *pdev)
pdev->num_resources);
if (ret) {
dev_err(&pdev->dev, "failed to add resources\n");
- goto err4;
+ goto err5;
}
ret = platform_device_add_data(musb, pdata, sizeof(*pdata));
if (ret) {
dev_err(&pdev->dev, "failed to add platform_data\n");
- goto err4;
+ goto err5;
}
ret = platform_device_add(musb);
if (ret) {
dev_err(&pdev->dev, "failed to register musb device\n");
- goto err4;
+ goto err5;
}
return 0;
-err4:
+err5:
clk_disable(clk);
-err3:
+err4:
clk_put(clk);
-err2:
+err3:
platform_device_put(musb);
+err2:
+ musb_put_id(&pdev->dev, musbid);
+
err1:
kfree(glue);
@@ -591,6 +604,7 @@ static int __devexit 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);
clk_disable(glue->clk);
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index dd24f96..7499fbb 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -99,6 +99,7 @@
#include <linux/prefetch.h>
#include <linux/platform_device.h>
#include <linux/io.h>
+#include <linux/idr.h>
#include "musb_core.h"
@@ -114,6 +115,7 @@
#define MUSB_DRIVER_NAME "musb-hdrc"
const char musb_driver_name[] = MUSB_DRIVER_NAME;
+static DEFINE_IDA(musb_ida);
MODULE_DESCRIPTION(DRIVER_INFO);
MODULE_AUTHOR(DRIVER_AUTHOR);
@@ -130,6 +132,35 @@ static inline struct musb *dev_to_musb(struct device *dev)
/*-------------------------------------------------------------------------*/
+int musb_get_id(struct device *dev, gfp_t gfp_mask)
+{
+ int ret;
+ int id;
+
+ ret = ida_pre_get(&musb_ida, gfp_mask);
+ if (!ret) {
+ dev_err(dev, "failed to reserve resource for id\n");
+ return -ENOMEM;
+ }
+
+ ret = ida_get_new(&musb_ida, &id);
+ if (ret < 0) {
+ dev_err(dev, "failed to allocate a new id\n");
+ return ret;
+ }
+
+ return id;
+}
+EXPORT_SYMBOL_GPL(musb_get_id);
+
+void musb_put_id(struct device *dev, int id)
+{
+
+ dev_dbg(dev, "removing id %d\n", id);
+ ida_remove(&musb_ida, id);
+}
+EXPORT_SYMBOL_GPL(musb_put_id);
+
#ifndef CONFIG_BLACKFIN
static int musb_ulpi_read(struct usb_phy *phy, u32 offset)
{
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index a1a32c6..a69ffd6 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -517,6 +517,8 @@ extern const char musb_driver_name[];
extern void musb_start(struct musb *musb);
extern void musb_stop(struct musb *musb);
+extern int musb_get_id(struct device *dev, gfp_t gfp_mask);
+extern void musb_put_id(struct device *dev, int id);
extern void musb_write_fifo(struct musb_hw_ep *ep, u16 len, const u8 *src);
extern void musb_read_fifo(struct musb_hw_ep *ep, u16 len, u8 *dst);
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index e62fa05..36130ba 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -485,7 +485,7 @@ 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 for usb control register */
res = platform_get_resource(pdev, IORESOURCE_MEM, 2 * id + 2);
@@ -525,14 +525,22 @@ static int __devinit dsps_create_musb_pdev(struct dsps_glue *glue, u8 id)
resources[1] = *res;
resources[1].name = "mc";
+ /* 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;
@@ -544,31 +552,34 @@ 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);
}
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index 02c39a7..5fb35fe 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -442,6 +442,7 @@ static int __devinit omap2430_probe(struct platform_device *pdev)
struct platform_device *musb;
struct omap2430_glue *glue;
int ret = -ENOMEM;
+ int musbid;
glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL);
if (!glue) {
@@ -449,12 +450,21 @@ static int __devinit omap2430_probe(struct platform_device *pdev)
goto err0;
}
- musb = platform_device_alloc("musb-hdrc", -1);
+ /* 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 err0;
+ }
+
+ musb = platform_device_alloc("musb-hdrc", musbid);
if (!musb) {
dev_err(&pdev->dev, "failed to allocate musb device\n");
- goto err0;
+ goto err1;
}
+ musb->id = musbid;
musb->dev.parent = &pdev->dev;
musb->dev.dma_mask = &omap2430_dmamask;
musb->dev.coherent_dma_mask = omap2430_dmamask;
@@ -479,13 +489,13 @@ static int __devinit omap2430_probe(struct platform_device *pdev)
pdev->num_resources);
if (ret) {
dev_err(&pdev->dev, "failed to add resources\n");
- goto err1;
+ goto err2;
}
ret = platform_device_add_data(musb, pdata, sizeof(*pdata));
if (ret) {
dev_err(&pdev->dev, "failed to add platform_data\n");
- goto err1;
+ goto err2;
}
pm_runtime_enable(&pdev->dev);
@@ -493,14 +503,17 @@ static int __devinit omap2430_probe(struct platform_device *pdev)
ret = platform_device_add(musb);
if (ret) {
dev_err(&pdev->dev, "failed to register musb device\n");
- goto err1;
+ goto err2;
}
return 0;
-err1:
+err2:
platform_device_put(musb);
+err1:
+ musb_put_id(&pdev->dev, musbid);
+
err0:
return ret;
}
@@ -510,6 +523,7 @@ static int __devexit omap2430_remove(struct platform_device *pdev)
struct omap2430_glue *glue = platform_get_drvdata(pdev);
cancel_work_sync(&glue->omap_musb_mailbox_work);
+ musb_put_id(&pdev->dev, glue->musb->id);
platform_device_unregister(glue->musb);
return 0;
diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c
index ab51f7c..dc4d75e 100644
--- a/drivers/usb/musb/tusb6010.c
+++ b/drivers/usb/musb/tusb6010.c
@@ -1160,6 +1160,7 @@ static int __devinit tusb_probe(struct platform_device *pdev)
struct tusb6010_glue *glue;
int ret = -ENOMEM;
+ int musbid;
glue = kzalloc(sizeof(*glue), GFP_KERNEL);
if (!glue) {
@@ -1167,12 +1168,21 @@ static int __devinit tusb_probe(struct platform_device *pdev)
goto err0;
}
- musb = platform_device_alloc("musb-hdrc", -1);
+ /* 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 err1;
+ goto err2;
}
+ musb->id = musbid;
musb->dev.parent = &pdev->dev;
musb->dev.dma_mask = &tusb_dmamask;
musb->dev.coherent_dma_mask = tusb_dmamask;
@@ -1188,26 +1198,29 @@ static int __devinit tusb_probe(struct platform_device *pdev)
pdev->num_resources);
if (ret) {
dev_err(&pdev->dev, "failed to add resources\n");
- goto err2;
+ goto err3;
}
ret = platform_device_add_data(musb, pdata, sizeof(*pdata));
if (ret) {
dev_err(&pdev->dev, "failed to add platform_data\n");
- goto err2;
+ goto err3;
}
ret = platform_device_add(musb);
if (ret) {
dev_err(&pdev->dev, "failed to register musb device\n");
- goto err2;
+ goto err3;
}
return 0;
-err2:
+err3:
platform_device_put(musb);
+err2:
+ musb_put_id(&pdev->dev, musbid);
+
err1:
kfree(glue);
@@ -1219,6 +1232,7 @@ static int __devexit tusb_remove(struct platform_device *pdev)
{
struct tusb6010_glue *glue = platform_get_drvdata(pdev);
+ musb_put_id(&pdev->dev, glue->musb->id);
platform_device_del(glue->musb);
platform_device_put(glue->musb);
kfree(glue);
diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c
index a8c0fad..d62a91f 100644
--- a/drivers/usb/musb/ux500.c
+++ b/drivers/usb/musb/ux500.c
@@ -74,25 +74,34 @@ static int __devinit ux500_probe(struct platform_device *pdev)
goto err0;
}
- musb = platform_device_alloc("musb-hdrc", -1);
+ /* 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 err1;
+ goto err2;
}
clk = clk_get(&pdev->dev, "usb");
if (IS_ERR(clk)) {
dev_err(&pdev->dev, "failed to get clock\n");
ret = PTR_ERR(clk);
- goto err2;
+ goto err3;
}
ret = clk_enable(clk);
if (ret) {
dev_err(&pdev->dev, "failed to enable clock\n");
- goto err3;
+ goto err4;
}
+ musb->id = musbid;
musb->dev.parent = &pdev->dev;
musb->dev.dma_mask = pdev->dev.dma_mask;
musb->dev.coherent_dma_mask = pdev->dev.coherent_dma_mask;
@@ -109,32 +118,35 @@ static int __devinit ux500_probe(struct platform_device *pdev)
pdev->num_resources);
if (ret) {
dev_err(&pdev->dev, "failed to add resources\n");
- goto err4;
+ goto err5;
}
ret = platform_device_add_data(musb, pdata, sizeof(*pdata));
if (ret) {
dev_err(&pdev->dev, "failed to add platform_data\n");
- goto err4;
+ goto err5;
}
ret = platform_device_add(musb);
if (ret) {
dev_err(&pdev->dev, "failed to register musb device\n");
- goto err4;
+ goto err5;
}
return 0;
-err4:
+err5:
clk_disable(clk);
-err3:
+err4:
clk_put(clk);
-err2:
+err3:
platform_device_put(musb);
+err2:
+ musb_put_id(&pdev->dev, musbid);
+
err1:
kfree(glue);
@@ -146,6 +158,7 @@ static int __devexit ux500_remove(struct platform_device *pdev)
{
struct ux500_glue *glue = platform_get_drvdata(pdev);
+ musb_put_id(&pdev->dev, glue->musb->id);
platform_device_del(glue->musb);
platform_device_put(glue->musb);
clk_disable(glue->clk);
--
1.7.0.4
--
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next prev parent reply other threads:[~2012-08-30 10:50 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-30 10:50 [PATCH v8 00/13] usb: musb: adding multi instance support Ravi Babu
2012-08-30 10:50 ` [PATCH v8 01/13] usb: musb: dsps: add phy control logic to glue Ravi Babu
2012-08-30 10:50 ` [PATCH v8 02/13] usb: musb: dsps: enable phy control for am335x Ravi Babu
[not found] ` <1346323825-24385-1-git-send-email-ravibabu-l0cyMroinI0@public.gmane.org>
2012-08-30 10:50 ` Ravi Babu [this message]
2012-08-30 10:50 ` [PATCH v8 05/13] usb: musb: am335x: add support for dual instance Ravi Babu
2012-08-30 10:50 ` [PATCH v8 06/13] usb: otg: nop: add support for multiple tranceiver Ravi Babu
2012-08-30 10:50 ` [PATCH v8 09/13] arm/dts: am33xx: add dt data for usb nop phy Ravi Babu
2012-08-30 10:50 ` [PATCH v8 10/13] usb: musb: dsps: remove explicit NOP device creation Ravi Babu
2012-08-30 10:50 ` [PATCH v8 11/13] usb: musb: dsps: get the PHY using phandle api Ravi Babu
2012-08-30 10:50 ` [PATCH v8 04/13] usb: musb: kill global and static for multi instance Ravi Babu
2012-08-30 10:50 ` [PATCH v8 07/13] usb: musb: dsps: add dt support Ravi Babu
2012-08-30 10:50 ` [PATCH v8 08/13] arm/dts: am33xx: Add dt data for usbss Ravi Babu
[not found] ` <1346323825-24385-9-git-send-email-ravibabu-l0cyMroinI0@public.gmane.org>
2012-08-30 11:39 ` Sergei Shtylyov
[not found] ` <503F50FC.5040200-Igf4POYTYCDQT0dZR+AlfA@public.gmane.org>
2012-08-31 9:54 ` Felipe Balbi
2012-08-31 10:01 ` B, Ravi
2012-08-31 10:11 ` ABRAHAM, KISHON VIJAY
2012-08-31 10:16 ` B, Ravi
2012-08-30 10:50 ` [PATCH v8 12/13] arm/dts: am33xx: add phy phandle to usbss Ravi Babu
2012-08-30 10:50 ` [PATCH v8 13/13] usb: otg: nop: add dt support Ravi Babu
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