From 3d6f481ba807c85a7e6ee58acbf9b319b1d9a8e2 Mon Sep 17 00:00:00 2001
From: Diego Ismirlian <dismirlian (at) google's mail.com>
Date: Fri, 14 Jul 2017 12:14:59 -0300
Subject: USBH: MSD: replace mutex with semaphores (more lightweight)

---
 os/hal/include/usbh/dev/msd.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'os/hal/include/usbh/dev')

diff --git a/os/hal/include/usbh/dev/msd.h b/os/hal/include/usbh/dev/msd.h
index 3fd2927..eedd474 100644
--- a/os/hal/include/usbh/dev/msd.h
+++ b/os/hal/include/usbh/dev/msd.h
@@ -59,7 +59,7 @@ struct USBHMassStorageLUNDriver {
 	_base_block_device_data
 
 	/* for serializing access to the LUN driver */
-	mutex_t mtx;
+	semaphore_t sem;
 
 	BlockDeviceInfo info;
 	USBHMassStorageDriver *msdp;
-- 
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