From: Mark Brown <broonie@kernel.org>
Date: Fri, 11 Mar 2016 07:28:35 +0000 (+0700)
Subject: Merge remote-tracking branches 'spi/topic/doc', 'spi/topic/dw' and 'spi/topic/flash... 
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f91c75d6faefdded97d2ecbe8c4f9cf197f68110;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

Merge remote-tracking branches 'spi/topic/doc', 'spi/topic/dw' and 'spi/topic/flash' into spi-next
---

f91c75d6faefdded97d2ecbe8c4f9cf197f68110
diff --cc drivers/spi/spi.c
index e86148fd458b,47eff8012a77,47eff8012a77,f565cc8901a6..b30f03a99dfd
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@@@@ -1152,7 -1152,6 -1152,6 -1154,9 +1154,9 @@@@@ static void __spi_pump_messages(struct 
    		}
    	}
    
-   	mutex_lock(&master->bus_lock_mutex);
+++ 	if (!bus_locked)
+++ 		mutex_lock(&master->bus_lock_mutex);
+++ 
    	trace_spi_message_start(master->cur_msg);
    
    	if (master->prepare_message) {
@@@@@ -1162,8 -1161,7 -1161,7 -1166,7 +1166,7 @@@@@
    				"failed to prepare message: %d\n", ret);
    			master->cur_msg->status = ret;
    			spi_finalize_current_message(master);
-   			mutex_unlock(&master->bus_lock_mutex);
--- 			return;
+++ 			goto out;
    		}
    		master->cur_msg_prepared = true;
    	}
@@@@@ -1172,21 -1170,15 -1170,15 -1175,23 +1175,23 @@@@@
    	if (ret) {
    		master->cur_msg->status = ret;
    		spi_finalize_current_message(master);
-   		mutex_unlock(&master->bus_lock_mutex);
--- 		return;
+++ 		goto out;
    	}
    
    	ret = master->transfer_one_message(master, master->cur_msg);
    	if (ret) {
    		dev_err(&master->dev,
    			"failed to transfer one message from queue\n");
-   		mutex_unlock(&master->bus_lock_mutex);
--- 		return;
+++ 		goto out;
    	}
-   	mutex_unlock(&master->bus_lock_mutex);
+++ 
+++ out:
+++ 	if (!bus_locked)
+++ 		mutex_unlock(&master->bus_lock_mutex);
 ++ 
 ++ 	/* Prod the scheduler in case transfer_one() was busy waiting */
-   	cond_resched();
+++ 	if (!ret)
+++ 		cond_resched();
    }
    
    /**