From: Ming Lei <tom.leiming@xxxxxxxxx>
This patch introduces get_hw_revision callback in glue_ops,
and implement it in tusb glue driver, so tusb dma code can
get tusb revision via .get_hw_revision callback and we can
make glue drivers built as module easyly in later patches.
Signed-off-by: Ming Lei <tom.leiming@xxxxxxxxx>
---
drivers/usb/musb/musb_core.h | 3 +++
drivers/usb/musb/tusb6010.c | 2 ++
drivers/usb/musb/tusb6010_omap.c | 3 ++-
3 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index b9ea563..5843810 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -259,6 +259,7 @@ enum musb_g_ep0_state {
* @exit: undoes @init
* @set_mode: forcefully changes operating mode
* @try_ilde: tries to idle the IP
+ * @get_hw_revision: get hardware revision
* @vbus_status: returns vbus status if possible
* @set_vbus: forces vbus status
*/
@@ -272,6 +273,8 @@ struct musb_platform_ops {
int (*set_mode)(struct musb *musb, u8 mode);
void (*try_idle)(struct musb *musb, unsigned long timeout);
+ u8 (*get_hw_revision)(struct musb *musb);
+
int (*vbus_status)(struct musb *musb);
void (*set_vbus)(struct musb *musb, int on);
};
diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c
index c891843..b29ecd8 100644
--- a/drivers/usb/musb/tusb6010.c
+++ b/drivers/usb/musb/tusb6010.c
@@ -1173,6 +1173,8 @@ static const struct musb_platform_ops tusb_ops = {
.set_mode = tusb_musb_set_mode,
.try_idle = tusb_musb_try_idle,
+ .get_hw_revision = tusb_get_revision,
+
.vbus_status = tusb_musb_vbus_status,
.set_vbus = tusb_musb_set_vbus,
};
diff --git a/drivers/usb/musb/tusb6010_omap.c b/drivers/usb/musb/tusb6010_omap.c
index c061a88..7403bfd 100644
--- a/drivers/usb/musb/tusb6010_omap.c
+++ b/drivers/usb/musb/tusb6010_omap.c
@@ -696,7 +696,8 @@ dma_controller_create(struct musb *musb, void __iomem *base)
tusb_dma->controller.channel_program = tusb_omap_dma_program;
tusb_dma->controller.channel_abort = tusb_omap_dma_abort;
- if (tusb_get_revision(musb) >= TUSB_REV_30)
+ if (musb->ops->get_hw_revision &&
+ musb->ops->get_hw_revision(musb) >= TUSB_REV_30)
tusb_dma->multichannel = 1;
for (i = 0; i < MAX_DMAREQ; i++) {
--
1.7.3
--
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