usb: musb: tusb6010: Add tusb_revision to struct musb to store the revision.

Add field to store tusb6010 revision value. Read the revision at
the startup and store to the variable.

Signed-off-by: Matwey V. Kornilov <matwey@sai.msu.ru>
Signed-off-by: Felipe Balbi <balbi@ti.com>

2 files changed, 2 insertions, 0 deletions

diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index 47e88747e3a7..d155a156f240 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -339,6 +339,7 @@ struct musb {
         dma_addr_t              async;
         dma_addr_t              sync;
         void __iomem            *sync_va;
+        u8                      tusb_revision;
 #endif
 
         /* passed down from chip/board specific irq handlers */
diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c
index f38a8dbd6075..8a746421a325 100644
--- a/drivers/usb/musb/tusb6010.c
+++ b/drivers/usb/musb/tusb6010.c
@@ -1012,6 +1012,7 @@ static int tusb_musb_start(struct musb *musb)
                 goto err;
         }
 
+        musb->tusb_revision = tusb_get_revision(musb);
         ret = tusb_print_revision(musb);
         if (ret < 2) {
                 printk(KERN_ERR "tusb: Unsupported TUSB6010 revision %i\n",