Reformat code and remove whitespace errors

Changes here include:
 - Remove trailing whitespace from files
 - Move function open brace to next line
 - Normalize line endings
 - Fix mixed spaces and tabs
 - Normalize statement spaceing
 - Remove space at the begining of lines
 - Various other code formatting fixes

Signed-off-by: Andrew F. Davis <afd@ti.com>

3 files changed, 183 insertions, 182 deletions

diff --git a/examples/am335x/PRU_RPMsg_Echo_Interrupt0/AM335x_PRU.cmd b/examples/am335x/PRU_RPMsg_Echo_Interrupt0/AM335x_PRU.cmd
index 55fbb06..b62f044 100644
--- a/examples/am335x/PRU_RPMsg_Echo_Interrupt0/AM335x_PRU.cmd
+++ b/examples/am335x/PRU_RPMsg_Echo_Interrupt0/AM335x_PRU.cmd
@@ -21,7 +21,7 @@ MEMORY
 
         PRU_DMEM_0_1    : org = 0x00000000 len = 0x00002000 CREGISTER=24 /* 8kB PRU Data RAM 0_1 */
         PRU_DMEM_1_0    : org = 0x00002000 len = 0x00002000     CREGISTER=25 /* 8kB PRU Data RAM 1_0 */
-        
+
           PAGE 2:
         PRU_SHAREDMEM   : org = 0x00010000 len = 0x00003000 CREGISTER=28 /* 12kB Shared RAM */
 
diff --git a/examples/am335x/PRU_RPMsg_Echo_Interrupt0/main.c b/examples/am335x/PRU_RPMsg_Echo_Interrupt0/main.c
index c95dc27..a0a023f 100644
--- a/examples/am335x/PRU_RPMsg_Echo_Interrupt0/main.c
+++ b/examples/am335x/PRU_RPMsg_Echo_Interrupt0/main.c
@@ -1,33 +1,33 @@
 /*
- * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/ 
- *  
- *  
- * Redistribution and use in source and binary forms, with or without 
- * modification, are permitted provided that the following conditions 
+ * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
  * are met:
- * 
- *      * Redistributions of source code must retain the above copyright 
- *        notice, this list of conditions and the following disclaimer.
- * 
- *      * Redistributions in binary form must reproduce the above copyright
- *        notice, this list of conditions and the following disclaimer in the 
- *        documentation and/or other materials provided with the   
- *        distribution.
- * 
- *      * Neither the name of Texas Instruments Incorporated nor the names of
- *        its contributors may be used to endorse or promote products derived
- *        from this software without specific prior written permission.
- * 
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
+ *
+ *      * Redistributions of source code must retain the above copyright
+ *        notice, this list of conditions and the following disclaimer.
+ *
+ *      * Redistributions in binary form must reproduce the above copyright
+ *        notice, this list of conditions and the following disclaimer in the
+ *        documentation and/or other materials provided with the
+ *        distribution.
+ *
+ *      * Neither the name of Texas Instruments Incorporated nor the names of
+ *        its contributors may be used to endorse or promote products derived
+ *        from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
@@ -66,7 +66,7 @@ volatile register uint32_t __R31;
 #define CHAN_DESC                                       "Channel 30"
 #define CHAN_PORT                                       30
 
-/* 
+/*
  * Used to make sure the Linux drivers are ready for RPMsg communication
  * Found at linux-x.y.z/include/uapi/linux/virtio_config.h
  */
@@ -77,7 +77,8 @@ uint8_t payload[RPMSG_BUF_SIZE];
 /*
  * main.c
  */
-void main() {
+void main(void)
+{
         struct pru_rpmsg_transport transport;
         uint16_t src, dst, len;
         volatile uint8_t *status;
@@ -100,20 +101,20 @@ void main() {
         pru_virtqueue_init(&transport.virtqueue1, &resourceTable.rpmsg_vring1, &CT_MBX.MESSAGE[MB_TO_ARM_HOST], &CT_MBX.MESSAGE[MB_FROM_ARM_HOST]);
 
         /* Create the RPMsg channel between the PRU and ARM user space using the transport structure. */
-        while(pru_rpmsg_channel(RPMSG_NS_CREATE, &transport, CHAN_NAME, CHAN_DESC, CHAN_PORT) != PRU_RPMSG_SUCCESS);
-        while(1){
+        while (pru_rpmsg_channel(RPMSG_NS_CREATE, &transport, CHAN_NAME, CHAN_DESC, CHAN_PORT) != PRU_RPMSG_SUCCESS);
+        while (1) {
                 /* Check bit 30 of register R31 to see if the mailbox interrupt has occurred */
-                if(__R31 & HOST_INT){
+                if (__R31 & HOST_INT) {
                         /* Clear the mailbox interrupt */
                         CT_MBX.IRQ[MB_USER].STATUS_CLR |= 1 << (MB_FROM_ARM_HOST * 2);
                         /* Clear the event status, event MB_INT_NUMBER corresponds to the mailbox interrupt */
                         CT_INTC.SICR_bit.STS_CLR_IDX = MB_INT_NUMBER;
                         /* Use a while loop to read all of the current messages in the mailbox */
-                        while(CT_MBX.MSGSTATUS_bit[MB_FROM_ARM_HOST].NBOFMSG > 0){
+                        while (CT_MBX.MSGSTATUS_bit[MB_FROM_ARM_HOST].NBOFMSG > 0) {
                                 /* Check to see if the message corresponds to a receive event for the PRU */
-                                if(CT_MBX.MESSAGE[MB_FROM_ARM_HOST] == 1){
+                                if (CT_MBX.MESSAGE[MB_FROM_ARM_HOST] == 1) {
                                         /* Receive the message */
-                                        if(pru_rpmsg_receive(&transport, &src, &dst, payload, &len) == PRU_RPMSG_SUCCESS){
+                                        if (pru_rpmsg_receive(&transport, &src, &dst, payload, &len) == PRU_RPMSG_SUCCESS) {
                                                 /* Echo the message back to the same address from which we just received */
                                                 pru_rpmsg_send(&transport, dst, src, payload, len);
                                         }
diff --git a/examples/am335x/PRU_RPMsg_Echo_Interrupt0/resource_table_0.h b/examples/am335x/PRU_RPMsg_Echo_Interrupt0/resource_table_0.h
index 177b7c1..6c6eab1 100644
--- a/examples/am335x/PRU_RPMsg_Echo_Interrupt0/resource_table_0.h
+++ b/examples/am335x/PRU_RPMsg_Echo_Interrupt0/resource_table_0.h
@@ -1,148 +1,148 @@
-/*

- * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/ 

- *  

- *  

- * Redistribution and use in source and binary forms, with or without 

- * modification, are permitted provided that the following conditions 

- * are met:

- * 

- *      * Redistributions of source code must retain the above copyright 

- *        notice, this list of conditions and the following disclaimer.

- * 

- *      * Redistributions in binary form must reproduce the above copyright

- *        notice, this list of conditions and the following disclaimer in the 

- *        documentation and/or other materials provided with the   

- *        distribution.

- * 

- *      * Neither the name of Texas Instruments Incorporated nor the names of

- *        its contributors may be used to endorse or promote products derived

- *        from this software without specific prior written permission.

- * 

- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 

- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 

- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 

- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 

- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 

- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 

- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 

- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

- */

-

-/*

- *  ======== rsc_table_am335x_pru.h ========

- *

- *  Define the resource table entries for all PRU cores. This will be

- *  incorporated into corresponding base images, and used by the remoteproc

- *  on the host-side to allocated/reserve resources.

- *

- */

-

-

-#ifndef _RSC_TABLE_PRU_H_

-#define _RSC_TABLE_PRU_H_

-

-#include <stddef.h>

-#include <rsc_types.h>

-#include "pru_virtio_ids.h"

-

-/*

- * Sizes of the virtqueues (expressed in number of buffers supported,

- * and must be power of 2)

- */

-#define PRU_RPMSG_VQ0_SIZE      16

-#define PRU_RPMSG_VQ1_SIZE      16

-

-/*

- * The feature bitmap for virtio rpmsg

- */

-#define VIRTIO_RPMSG_F_NS       0               //name service notifications

-

-/* This firmware supports name service notifications as one of its features */

-#define RPMSG_PRU_C0_FEATURES   (1 << VIRTIO_RPMSG_F_NS)

-

-/* Definition for unused interrupts */

-#define HOST_UNUSED             255

-

-/* Mapping sysevts to a channel. Each pair contains a sysevt, channel

- *              Mapping event 60 (Mbox0 mailbox interrupt for pru0) to channel 0

- * */

-struct ch_map pru_intc_map[] = { {60, 0},

-                               };

-

-struct my_resource_table {

-        struct resource_table base;

-

-        uint32_t offset[2]; /* Should match 'num' in actual definition */

-

-        /* rpmsg vdev entry */

-        struct fw_rsc_vdev rpmsg_vdev;

-        struct fw_rsc_vdev_vring rpmsg_vring0;

-        struct fw_rsc_vdev_vring rpmsg_vring1;

-

-        /* intc definition */

-        struct fw_rsc_custom pru_ints;

-};

-

-#pragma DATA_SECTION(resourceTable, ".resource_table")

-#pragma RETAIN(resourceTable)

-struct my_resource_table resourceTable = {

-        1,      /* Resource table version: only version 1 is supported by the current driver */

-        2,      /* number of entries in the table */

-        0, 0,   /* reserved, must be zero */

-        /* offsets to entries */

-        {

-                offsetof(struct my_resource_table, rpmsg_vdev),

-                offsetof(struct my_resource_table, pru_ints),

-        },

-

-        /* rpmsg vdev entry */

-        {

-                (uint32_t)TYPE_VDEV,                            //type

-                (uint32_t)VIRTIO_ID_RPMSG,                      //id

-                (uint32_t)0,                                            //notifyid

-                (uint32_t)RPMSG_PRU_C0_FEATURES,        //dfeatures

-                (uint32_t)0,                                            //gfeatures

-                (uint32_t)0,                                            //config_len

-                (uint8_t)0,                                             //status

-                (uint8_t)2,                                             //num_of_vrings, only two is supported

-                { (uint8_t)0, (uint8_t)0 },                     //reserved

-                /* no config data */

-        },

-        /* the two vrings */

-        {

-                        0,                                                              //da, will be populated by host, can't pass it in

-                        16,                                                             //align (bytes),

-                        PRU_RPMSG_VQ0_SIZE,                             //num of descriptors

-                        0,                                                              //notifyid, will be populated, can't pass right now

-                        0                                                               //reserved

-        },

-        {

-                        0,                                                              //da, will be populated by host, can't pass it in

-                        16,                                                     //align (bytes),

-                        PRU_RPMSG_VQ1_SIZE,                     //num of descriptors

-                        0,                                                              //notifyid, will be populated, can't pass right now

-                        0                                                               //reserved

-        },

-

-        {

-                TYPE_CUSTOM, TYPE_PRU_INTS,

-                sizeof(struct fw_rsc_custom_ints),

-                { /* PRU_INTS version */

-                  0x0000,

-                  /* Channel-to-host mapping, 255 for unused

-                   *            Mapping Channel-0 to Host-0 (PRU0/1 R31 bit 30)

-                   * */

-                  0, HOST_UNUSED, HOST_UNUSED, HOST_UNUSED, HOST_UNUSED,

-                  HOST_UNUSED, HOST_UNUSED, HOST_UNUSED, HOST_UNUSED, HOST_UNUSED,

-                  /* Number of evts being mapped to channels */

-                  (sizeof(pru_intc_map) / sizeof(struct ch_map)),

-                  /* Pointer to the structure containing mapped events */

-                  pru_intc_map,

-                },

-        },

-};

-

-#endif /* _RSC_TABLE_PRU_H_ */

+/*
+ * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *      * Redistributions of source code must retain the above copyright
+ *        notice, this list of conditions and the following disclaimer.
+ *
+ *      * Redistributions in binary form must reproduce the above copyright
+ *        notice, this list of conditions and the following disclaimer in the
+ *        documentation and/or other materials provided with the
+ *        distribution.
+ *
+ *      * Neither the name of Texas Instruments Incorporated nor the names of
+ *        its contributors may be used to endorse or promote products derived
+ *        from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ *  ======== rsc_table_am335x_pru.h ========
+ *
+ *  Define the resource table entries for all PRU cores. This will be
+ *  incorporated into corresponding base images, and used by the remoteproc
+ *  on the host-side to allocated/reserve resources.
+ *
+ */
+
+
+#ifndef _RSC_TABLE_PRU_H_
+#define _RSC_TABLE_PRU_H_
+
+#include <stddef.h>
+#include <rsc_types.h>
+#include "pru_virtio_ids.h"
+
+/*
+ * Sizes of the virtqueues (expressed in number of buffers supported,
+ * and must be power of 2)
+ */
+#define PRU_RPMSG_VQ0_SIZE      16
+#define PRU_RPMSG_VQ1_SIZE      16
+
+/*
+ * The feature bitmap for virtio rpmsg
+ */
+#define VIRTIO_RPMSG_F_NS       0               //name service notifications
+
+/* This firmware supports name service notifications as one of its features */
+#define RPMSG_PRU_C0_FEATURES   (1 << VIRTIO_RPMSG_F_NS)
+
+/* Definition for unused interrupts */
+#define HOST_UNUSED             255
+
+/* Mapping sysevts to a channel. Each pair contains a sysevt, channel
+ *              Mapping event 60 (Mbox0 mailbox interrupt for pru0) to channel 0
+ * */
+struct ch_map pru_intc_map[] = { {60, 0},
+};
+
+struct my_resource_table {
+        struct resource_table base;
+
+        uint32_t offset[2]; /* Should match 'num' in actual definition */
+
+        /* rpmsg vdev entry */
+        struct fw_rsc_vdev rpmsg_vdev;
+        struct fw_rsc_vdev_vring rpmsg_vring0;
+        struct fw_rsc_vdev_vring rpmsg_vring1;
+
+        /* intc definition */
+        struct fw_rsc_custom pru_ints;
+};
+
+#pragma DATA_SECTION(resourceTable, ".resource_table")
+#pragma RETAIN(resourceTable)
+struct my_resource_table resourceTable = {
+        1,      /* Resource table version: only version 1 is supported by the current driver */
+        2,      /* number of entries in the table */
+        0, 0,   /* reserved, must be zero */
+        /* offsets to entries */
+        {
+                offsetof(struct my_resource_table, rpmsg_vdev),
+                offsetof(struct my_resource_table, pru_ints),
+        },
+
+        /* rpmsg vdev entry */
+        {
+                (uint32_t)TYPE_VDEV,                    //type
+                (uint32_t)VIRTIO_ID_RPMSG,              //id
+                (uint32_t)0,                            //notifyid
+                (uint32_t)RPMSG_PRU_C0_FEATURES,        //dfeatures
+                (uint32_t)0,                            //gfeatures
+                (uint32_t)0,                            //config_len
+                (uint8_t)0,                             //status
+                (uint8_t)2,                             //num_of_vrings, only two is supported
+                { (uint8_t)0, (uint8_t)0 },             //reserved
+                /* no config data */
+        },
+        /* the two vrings */
+        {
+                0,                      //da, will be populated by host, can't pass it in
+                16,                     //align (bytes),
+                PRU_RPMSG_VQ0_SIZE,     //num of descriptors
+                0,                      //notifyid, will be populated, can't pass right now
+                0                       //reserved
+        },
+        {
+                0,                      //da, will be populated by host, can't pass it in
+                16,                     //align (bytes),
+                PRU_RPMSG_VQ1_SIZE,     //num of descriptors
+                0,                      //notifyid, will be populated, can't pass right now
+                0                       //reserved
+        },
+
+        {
+                TYPE_CUSTOM, TYPE_PRU_INTS,
+                sizeof(struct fw_rsc_custom_ints),
+                { /* PRU_INTS version */
+                        0x0000,
+                        /* Channel-to-host mapping, 255 for unused
+                         *              Mapping Channel-0 to Host-0 (PRU0/1 R31 bit 30)
+                         * */
+                        0, HOST_UNUSED, HOST_UNUSED, HOST_UNUSED, HOST_UNUSED,
+                        HOST_UNUSED, HOST_UNUSED, HOST_UNUSED, HOST_UNUSED, HOST_UNUSED,
+                        /* Number of evts being mapped to channels */
+                        (sizeof(pru_intc_map) / sizeof(struct ch_map)),
+                        /* Pointer to the structure containing mapped events */
+                        pru_intc_map,
+                },
+        },
+};
+
+#endif /* _RSC_TABLE_PRU_H_ */