Just adding its own platform_driver, not really
using it yet.
Later patches will come to split power management
code from musb_core and move it completely to HW
glue layer.
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
arch/blackfin/mach-bf527/boards/ad7160eval.c | 2 +-
arch/blackfin/mach-bf527/boards/cm_bf527.c | 2 +-
arch/blackfin/mach-bf527/boards/ezbrd.c | 2 +-
arch/blackfin/mach-bf527/boards/ezkit.c | 2 +-
arch/blackfin/mach-bf527/boards/tll6527m.c | 2 +-
arch/blackfin/mach-bf548/boards/cm_bf548.c | 2 +-
arch/blackfin/mach-bf548/boards/ezkit.c | 2 +-
drivers/usb/musb/blackfin.c | 95 ++++++++++++++++++++++++-
8 files changed, 98 insertions(+), 11 deletions(-)
diff --git a/arch/blackfin/mach-bf527/boards/ad7160eval.c b/arch/blackfin/mach-bf527/boards/ad7160eval.c
index ec9f261..52295ff 100644
--- a/arch/blackfin/mach-bf527/boards/ad7160eval.c
+++ b/arch/blackfin/mach-bf527/boards/ad7160eval.c
@@ -83,7 +83,7 @@ static struct musb_hdrc_platform_data musb_plat = {
static u64 musb_dmamask = ~(u32)0;
static struct platform_device musb_device = {
- .name = "musb-hdrc",
+ .name = "musb-blackfin",
.id = 0,
.dev = {
.dma_mask = &musb_dmamask,
diff --git a/arch/blackfin/mach-bf527/boards/cm_bf527.c b/arch/blackfin/mach-bf527/boards/cm_bf527.c
index 0844a2c..e254126 100644
--- a/arch/blackfin/mach-bf527/boards/cm_bf527.c
+++ b/arch/blackfin/mach-bf527/boards/cm_bf527.c
@@ -118,7 +118,7 @@ static struct musb_hdrc_platform_data musb_plat = {
static u64 musb_dmamask = ~(u32)0;
static struct platform_device musb_device = {
- .name = "musb-hdrc",
+ .name = "musb-blackfin",
.id = 0,
.dev = {
.dma_mask = &musb_dmamask,
diff --git a/arch/blackfin/mach-bf527/boards/ezbrd.c b/arch/blackfin/mach-bf527/boards/ezbrd.c
index 747201b..a9ea294 100644
--- a/arch/blackfin/mach-bf527/boards/ezbrd.c
+++ b/arch/blackfin/mach-bf527/boards/ezbrd.c
@@ -82,7 +82,7 @@ static struct musb_hdrc_platform_data musb_plat = {
static u64 musb_dmamask = ~(u32)0;
static struct platform_device musb_device = {
- .name = "musb-hdrc",
+ .name = "musb-blackfin",
.id = 0,
.dev = {
.dma_mask = &musb_dmamask,
diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c
index 4c2d1a1..3075112 100644
--- a/arch/blackfin/mach-bf527/boards/ezkit.c
+++ b/arch/blackfin/mach-bf527/boards/ezkit.c
@@ -122,7 +122,7 @@ static struct musb_hdrc_platform_data musb_plat = {
static u64 musb_dmamask = ~(u32)0;
static struct platform_device musb_device = {
- .name = "musb-hdrc",
+ .name = "musb-blackfin",
.id = 0,
.dev = {
.dma_mask = &musb_dmamask,
diff --git a/arch/blackfin/mach-bf527/boards/tll6527m.c b/arch/blackfin/mach-bf527/boards/tll6527m.c
index 284ec1f..130861b 100644
--- a/arch/blackfin/mach-bf527/boards/tll6527m.c
+++ b/arch/blackfin/mach-bf527/boards/tll6527m.c
@@ -91,7 +91,7 @@ static struct musb_hdrc_platform_data musb_plat = {
static u64 musb_dmamask = ~(u32)0;
static struct platform_device musb_device = {
- .name = "musb-hdrc",
+ .name = "musb-blackfin",
.id = 0,
.dev = {
.dma_mask = &musb_dmamask,
diff --git a/arch/blackfin/mach-bf548/boards/cm_bf548.c b/arch/blackfin/mach-bf548/boards/cm_bf548.c
index b734ec7..64a826d 100644
--- a/arch/blackfin/mach-bf548/boards/cm_bf548.c
+++ b/arch/blackfin/mach-bf548/boards/cm_bf548.c
@@ -518,7 +518,7 @@ static struct musb_hdrc_platform_data musb_plat = {
static u64 musb_dmamask = ~(u32)0;
static struct platform_device musb_device = {
- .name = "musb-hdrc",
+ .name = "musb-blackfin",
.id = 0,
.dev = {
.dma_mask = &musb_dmamask,
diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c
index d222864..06180a1 100644
--- a/arch/blackfin/mach-bf548/boards/ezkit.c
+++ b/arch/blackfin/mach-bf548/boards/ezkit.c
@@ -623,7 +623,7 @@ static struct musb_hdrc_platform_data musb_plat = {
static u64 musb_dmamask = ~(u32)0;
static struct platform_device musb_device = {
- .name = "musb-hdrc",
+ .name = "musb-blackfin",
.id = 0,
.dev = {
.dma_mask = &musb_dmamask,
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index 31dd469..f7f0e65 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
@@ -15,6 +15,8 @@
#include <linux/list.h>
#include <linux/gpio.h>
#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
#include <asm/cacheflush.h>
@@ -362,7 +364,7 @@ static void bfin_reg_init(struct musb *musb)
SSYNC();
}
-static int bfin_init(struct musb *musb, void *board_data)
+static int bfin_platform_init(struct musb *musb, void *board_data)
{
/*
@@ -422,7 +424,7 @@ void musb_platform_restore_context(struct musb *musb,
}
#endif
-static int bfin_exit(struct musb *musb)
+static int bfin_platform_exit(struct musb *musb)
{
gpio_free(musb->config->gpio_vrsel);
@@ -432,8 +434,8 @@ static int bfin_exit(struct musb *musb)
}
struct musb_platform_ops musb_ops = {
- .init = bfin_init,
- .exit = bfin_exit,
+ .init = bfin_platform_init,
+ .exit = bfin_platform_exit,
.enable = bfin_enable,
.disable = bfin_disable,
@@ -444,3 +446,88 @@ struct musb_platform_ops musb_ops = {
.vbus_status = bfin_vbus_status,
.set_vbus = bfin_set_vbus,
};
+
+static u64 bfin_dmamask = DMA_BIT_MASK(32);
+
+static int __init bfin_probe(struct platform_device *pdev)
+{
+ struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data;
+ struct platform_device *musb;
+
+ int ret = -ENOMEM;
+
+ musb = platform_device_alloc("musb-hdrc", -1);
+ if (!musb) {
+ dev_err(&pdev->dev, "failed to allocate musb device\n");
+ goto err0;
+ }
+
+ musb->dev.parent = &pdev->dev;
+ musb->dev.dma_mask = &bfin_dmamask;
+ musb->dev.coherent_dma_mask = bfin_dmamask;
+
+ platform_set_drvdata(pdev, musb);
+
+ ret = platform_device_add_resources(musb, pdev->resource,
+ pdev->num_resources);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to add resources\n");
+ goto err1;
+ }
+
+ ret = platform_device_add_data(musb, pdata, sizeof(*pdata));
+ if (ret) {
+ dev_err(&pdev->dev, "failed to add platform_data\n");
+ goto err1;
+ }
+
+ ret = platform_device_add(musb);
+ if (ret) {
+ dev_err(&pdev->dev, "failed to register musb device\n");
+ goto err2;
+ }
+
+ return 0;
+
+err2:
+ platform_device_put(musb);
+
+err1:
+ platform_device_del(musb);
+
+err0:
+ return ret;
+}
+
+static int __exit bfin_remove(struct platform_device *pdev)
+{
+ struct platform_device *musb = platform_get_drvdata(pdev);
+
+ platform_device_put(musb);
+ platform_device_del(musb);
+
+ return 0;
+}
+
+static struct platform_driver bfin_driver = {
+ .remove = __exit_p(bfin_remove),
+ .driver = {
+ .name = "musb-bfin",
+ },
+};
+
+MODULE_DESCRIPTION("OMAP2PLUS MUSB Glue Layer");
+MODULE_AUTHOR("Felipe Balbi <balbi@xxxxxx>");
+MODULE_LICENSE("GPL v2");
+
+static int __init bfin_init(void)
+{
+ return platform_driver_probe(&bfin_driver, bfin_probe);
+}
+subsys_initcall(bfin_init);
+
+static void __exit bfin_exit(void)
+{
+ platform_driver_unregister(&bfin_driver);
+}
+module_exit(bfin_exit);
--
1.7.3.2.343.g7d43d
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