Hello. Felipe Balbi wrote:
each board might have a different charge pump and thus able to source more or less current on vbus so let power be easily configurable. Cc: linux-usb@xxxxxxxxxxxxxxx Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxx>
[...]
diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c index ba71f76..b4b8ccc 100644 --- a/arch/arm/mach-omap2/usb-musb.c +++ b/arch/arm/mach-omap2/usb-musb.c @@ -124,12 +124,7 @@ static struct musb_hdrc_platform_data musb_plat = { /* .clock is set dynamically */ .set_clock = musb_set_clock, .config = &musb_config, - - /* REVISIT charge pump on TWL4030 can supply up to - * 100 mA ... but this value is board-specific, like - * "mode", and should be passed to usb_musb_init(). - */ - .power = 50, /* up to 100 mA */ + /* .power = DYNAMIC, */ };static u64 musb_dmamask = DMA_BIT_MASK(32);@@ -146,7 +141,7 @@ static struct platform_device musb_device = { .resource = musb_resources, };-void __init usb_musb_init(void)+void __init usb_musb_init(unsigned power) { if (cpu_is_omap243x()) musb_resources[0].start = OMAP243X_HS_BASE; @@ -159,6 +154,7 @@ void __init usb_musb_init(void) * musb_core.c have been converted to use use clkdev. */ musb_plat.clock = "ick"; + musb_plat.power = power >> 1;
Probably OMAP boards never supply much current, but otherwise capping the value of 'power' at 510 seems a good idea.
WBR, Sergei -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
