greybus: es1-ap-usb: adjust SVC buffer size to handle worst case
The worst case message from the SVC->AP is a hotplug "plugged"
event. It includes the module manifest which may be up to 64KB
in size. Adjust our buffer allocation to allow for this.
Signed-off-by: Matt Porter <mporter@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
diff --git a/drivers/staging/greybus/es1-ap-usb.c b/drivers/staging/greybus/es1-ap-usb.c
index 291da40..8df1643 100644
--- a/drivers/staging/greybus/es1-ap-usb.c
+++ b/drivers/staging/greybus/es1-ap-usb.c
@@ -9,12 +9,13 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/errno.h>
+#include <linux/sizes.h>
#include <linux/usb.h>
#include "greybus.h"
#include "svc_msg.h"
/* Memory sizes for the buffers sent to/from the ES1 controller */
-#define ES1_SVC_MSG_SIZE 2048
+#define ES1_SVC_MSG_SIZE (sizeof(struct svc_msg) + SZ_64K)
#define ES1_GBUF_MSG_SIZE PAGE_SIZE