[PATCH v2 3/4] ARM: OMAP2: MUSB: Specify omap4 has mailbox
Kishon Vijay Abraham I
kishon at ti.com
Mon Jan 21 09:08:27 EST 2013
Added has_mailbox to the musb platform data to specify that omap uses
an external mailbox (in control module) to communicate with the musb
core during device connect and disconnect.
Signed-off-by: Kishon Vijay Abraham I <kishon at ti.com>
---
arch/arm/mach-omap2/usb-musb.c | 3 +++
include/linux/usb/musb.h | 2 ++
2 files changed, 5 insertions(+)
diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c
index 7b33b37..9d27e3f 100644
--- a/arch/arm/mach-omap2/usb-musb.c
+++ b/arch/arm/mach-omap2/usb-musb.c
@@ -85,6 +85,9 @@ void __init usb_musb_init(struct omap_musb_board_data *musb_board_data)
musb_plat.mode = board_data->mode;
musb_plat.extvbus = board_data->extvbus;
+ if (cpu_is_omap44xx())
+ musb_plat.has_mailbox = true;
+
if (soc_is_am35xx()) {
oh_name = "am35x_otg_hs";
name = "musb-am35x";
diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h
index eb50525..053c268 100644
--- a/include/linux/usb/musb.h
+++ b/include/linux/usb/musb.h
@@ -99,6 +99,8 @@ struct musb_hdrc_platform_data {
/* MUSB_HOST, MUSB_PERIPHERAL, or MUSB_OTG */
u8 mode;
+ u8 has_mailbox:1;
+
/* for clk_get() */
const char *clock;
--
1.7.9.5
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