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authorMichael Grzeschik <m.grzeschik@pengutronix.de>2013-03-30 11:54:10 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-03-30 16:20:49 +0100
commitb983e51a73b60b358e2c15a64c0c489cb266fe67 (patch)
treeb5b9884c2c4cf6c837e4acaf05a6674afa6acc5c /drivers/usb/chipidea/ci.h
parentusb: chipidea: udc: move _ep_queue into an unlocked function (diff)
downloadlinux-b983e51a73b60b358e2c15a64c0c489cb266fe67.tar.xz
linux-b983e51a73b60b358e2c15a64c0c489cb266fe67.zip
usb: chipidea: udc: add the define TD_PAGE_COUNT and fix all users
A static count of transfer descriptors was used everywhere in the driver with the fixed number 5. This patch adds a define, named TD_PAGE_COUNT, and replaces all users of this value. This way its possible to have only one parameter to change and limit the amount of buffer pointers per TD. Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.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>
Diffstat (limited to 'drivers/usb/chipidea/ci.h')
-rw-r--r--drivers/usb/chipidea/ci.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/ci.h b/drivers/usb/chipidea/ci.h
index 68577d1f1c0d..b0a6bce064ca 100644
--- a/drivers/usb/chipidea/ci.h
+++ b/drivers/usb/chipidea/ci.h
@@ -21,6 +21,7 @@
/******************************************************************************
* DEFINE
*****************************************************************************/
+#define TD_PAGE_COUNT 5
#define CI13XXX_PAGE_SIZE 4096ul /* page size for TD's */
#define ENDPT_MAX 32