[PATCH 3/4] ARM: OMAP2: MUSB: Specify omap4 has mailbox
From: Kishon Vijay Abraham I <hidden>
Date: 2013-01-18 09:41:18
Also in:
linux-devicetree, linux-omap, lkml
Subsystem:
arm port, omap usb support, omap2+ support, the rest, usb subsystem · Maintainers:
Russell King, Aaro Koskinen, Andreas Kemnade, Kevin Hilman, Roger Quadros, Tony Lindgren, Linus Torvalds, Greg Kroah-Hartman
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 <redacted> --- 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;
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1.7.9.5