From: Mike Frysinger Date: Tue, 22 Mar 2011 19:35:39 +0000 (-0400) Subject: USB: sl811: add Kconfig option for ISOCHRONOUS mode X-Git-Tag: upstream/snapshot3+hdmi~10346^2~138^2~22 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ad7c56f07e24c758d78e797ceeb9cf049dec66aa;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git USB: sl811: add Kconfig option for ISOCHRONOUS mode Some bluetooth dongles want ISO mode, and the limited support that the sl811 offers today is sufficient. So add a Kconfig option for people to optionally get access to the partial functionality. Signed-off-by: Mike Frysinger Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index e0e0787..5f518de 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -444,6 +444,16 @@ config USB_SL811_HCD To compile this driver as a module, choose M here: the module will be called sl811-hcd. +config USB_SL811_HCD_ISO + bool "partial ISO support" + depends on USB_SL811_HCD + help + The driver doesn't support iso_frame_desc (yet), but for some simple + devices that just queue one ISO frame per URB, then ISO transfers + "should" work using the normal urb status fields. + + If unsure, say N. + config USB_SL811_CS tristate "CF/PCMCIA support for SL811HS HCD" depends on USB_SL811_HCD && PCMCIA diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c index 18b7099..5adcba0 100644 --- a/drivers/usb/host/sl811-hcd.c +++ b/drivers/usb/host/sl811-hcd.c @@ -71,12 +71,6 @@ MODULE_ALIAS("platform:sl811-hcd"); /* for now, use only one transfer register bank */ #undef USE_B -/* this doesn't understand urb->iso_frame_desc[], but if you had a driver - * that just queued one ISO frame per URB then iso transfers "should" work - * using the normal urb status fields. - */ -#define DISABLE_ISO - // #define QUIRK2 #define QUIRK3 @@ -807,7 +801,7 @@ static int sl811h_urb_enqueue( int retval; struct usb_host_endpoint *hep = urb->ep; -#ifdef DISABLE_ISO +#ifndef CONFIG_USB_SL811_HCD_ISO if (type == PIPE_ISOCHRONOUS) return -ENOSPC; #endif