diff options
Diffstat (limited to 'target/linux/imx6/patches-3.10/0003-usb-chipidea-improve-kconfig-2.0.patch')
| -rw-r--r-- | target/linux/imx6/patches-3.10/0003-usb-chipidea-improve-kconfig-2.0.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/target/linux/imx6/patches-3.10/0003-usb-chipidea-improve-kconfig-2.0.patch b/target/linux/imx6/patches-3.10/0003-usb-chipidea-improve-kconfig-2.0.patch new file mode 100644 index 0000000000..40968ab4da --- /dev/null +++ b/target/linux/imx6/patches-3.10/0003-usb-chipidea-improve-kconfig-2.0.patch @@ -0,0 +1,53 @@ +From a0cfdc6bc73bc47b63b05b850cf66cf67f2487bf Mon Sep 17 00:00:00 2001 +From: Lothar Waßmann <LW@KARO-electronics.de> +Date: Wed, 14 Aug 2013 12:43:58 +0300 +Subject: [PATCH] usb: chipidea: improve kconfig 2.0 + +This patch provides a cleaner solution to the problem described in +commit 20a677fd ("usb: chipidea: improve kconfig"). + +The goal to be achieved is to force USB_CHIPIDEA=m if either +USB_EHCI_HCD=m or USB_GADGET=m. +If both are 'y' USB_CHIPIDEA may be selected to be 'm' or 'y'. + +The old patch had the drawback, that USB_CHIPIDEA could be chosen as +'y' though USB_EHCI_HCD or USB_GADGET (or both) were 'm' leading to a +situation where USB_CHIPIDEA_HOST or USB_CHIPIDEA_UDC vanished from +the config options producing a compilable but dysfunctional driver. + +Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de> +Reviewed-by: Peter Chen <peter.chen@freescale.com> +Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> +Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +--- + drivers/usb/chipidea/Kconfig | 7 +++---- + 1 file changed, 3 insertions(+), 4 deletions(-) + +--- a/drivers/usb/chipidea/Kconfig ++++ b/drivers/usb/chipidea/Kconfig +@@ -1,6 +1,6 @@ + config USB_CHIPIDEA + tristate "ChipIdea Highspeed Dual Role Controller" +- depends on USB || USB_GADGET ++ depends on (USB_EHCI_HCD && USB_GADGET) || (USB_EHCI_HCD && !USB_GADGET) || (!USB_EHCI_HCD && USB_GADGET) + help + Say Y here if your system has a dual role high speed USB + controller based on ChipIdea silicon IP. Currently, only the +@@ -12,15 +12,14 @@ if USB_CHIPIDEA + + config USB_CHIPIDEA_UDC + bool "ChipIdea device controller" +- depends on USB_GADGET=y || (USB_CHIPIDEA=m && USB_GADGET=m) ++ depends on USB_GADGET + help + Say Y here to enable device controller functionality of the + ChipIdea driver. + + config USB_CHIPIDEA_HOST + bool "ChipIdea host controller" +- depends on USB=y +- depends on USB_EHCI_HCD=y || (USB_CHIPIDEA=m && USB_EHCI_HCD=m) ++ depends on USB_EHCI_HCD + select USB_EHCI_ROOT_HUB_TT + help + Say Y here to enable host controller functionality of the |