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usb: musb: re-introduce musb->port_mode

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Define MUSB_PORT_MODE_{HOST,GADGET,DUAL_ROLE} and store the
platform-specified value in struct musb.

Note that MUSB_PORT_MODE_HOST has to be set to 1 in order to match
existing device tree bindings which are already documented but in fact
unusued. For information on the bindings, please refer to

  Documentation/devicetree/bindings/usb/omap-usb.txt
  Documentation/devicetree/bindings/usb/am33xx-usb.txt

Signed-off-by: Daniel Mack <zonque@gmail.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Daniel Mack 2013-04-10 21:55:48 +02:00 committed by Felipe Balbi
parent 2cc65feab2
commit 9ad96e694c
2 changed files with 8 additions and 0 deletions
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1
drivers/usb/musb/musb_core.c
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@ -1813,6 +1813,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
musb->board_set_power = plat->set_power;
musb->min_power = plat->min_power;
musb->ops = plat->platform_ops;
musb->port_mode = plat->mode;
/* The musb_platform_init() call:
* - adjusts musb->mregs

7
drivers/usb/musb/musb_core.h
View file

@ -77,6 +77,12 @@ struct musb_ep;
#define is_peripheral_active(m) (!(m)->is_host)
#define is_host_active(m) ((m)->is_host)
enum {
MUSB_PORT_MODE_HOST = 1,
MUSB_PORT_MODE_GADGET,
MUSB_PORT_MODE_DUAL_ROLE,
};
#ifdef CONFIG_PROC_FS
#include <linux/fs.h>
#define MUSB_CONFIG_PROC_FS
@ -356,6 +362,7 @@ struct musb {
u8 min_power; /* vbus for periph, in mA/2 */
int port_mode; /* MUSB_PORT_MODE_* */
bool is_host;
int a_wait_bcon; /* VBUS timeout in msecs */