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>

diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index 47e8874..d155a15 100644 (file)
--- 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 f38a8db..8a74642 100644 (file)
--- 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",