4 files changed, 10 insertions, 10 deletions
diff --git a/backends/platform/psp/default_display_client.cpp b/backends/platform/psp/default_display_client.cpp
index f2d8a7c03c..1f0cef2e6c 100644
--- a/backends/platform/psp/default_display_client.cpp
+++ b/backends/platform/psp/default_display_client.cpp
@@ -125,13 +125,13 @@ void Overlay::setSize(uint32 width, uint32 height) {
 
 void Overlay::copyToArray(void *buf, int pitch) {
 	DEBUG_ENTER_FUNC();
-	_buffer.copyToArray((byte *)buf, pitch);	// Change to bytes
+	_buffer.copyToArray((byte *)buf, pitch);
 }
 
 void Overlay::copyFromRect(const void *buf, int pitch, int x, int y, int w, int h) {
 	DEBUG_ENTER_FUNC();
 
-	_buffer.copyFromRect((byte *)buf, pitch, x, y, w, h);	// Change to bytes
+	_buffer.copyFromRect((const byte *)buf, pitch, x, y, w, h);
 	// debug
 	//_buffer.print(0xFF);
 	setDirty();
diff --git a/backends/platform/psp/memory.cpp b/backends/platform/psp/memory.cpp
index 72a526c0ff..55b56bdd6c 100644
--- a/backends/platform/psp/memory.cpp
+++ b/backends/platform/psp/memory.cpp
@@ -72,7 +72,7 @@ void PspMemory::copy(byte *dst, const byte *src, uint32 bytes) {
 	if (alignSrc) {						// we'll need to realign our reads
 		copy32Misaligned((uint32 *)dst, src, bytes, alignSrc);
 	} else {
-		copy32Aligned((uint32 *)dst, (uint32 *)src, bytes);
+		copy32Aligned((uint32 *)dst, (const uint32 *)src, bytes);
 	}
 
 #ifdef TEST_MEMORY_COPY
@@ -141,7 +141,7 @@ void PspMemory::copy32Aligned(uint32 *dst32, const uint32 *src32, uint32 bytes)
 	PSP_DEBUG_PRINT("bytesLeft[%d]\n", bytesLeft);
 
 	byte *dst = (byte *)dst32;
-	byte *src = (byte *)src32;
+	const byte *src = (const byte *)src32;
 
 	while (bytesLeft--) {
 		*dst++ = *src++;
@@ -343,7 +343,7 @@ void PspMemorySwap::swap32Aligned(uint32 *dst32, const uint32 *src32, uint32 byt
 	bytesLeft = bytes & 0x3;
 
 	if (bytesLeft) {	// for swap, can only be 1 short left
-		*((uint16 *)dst32) = format.swapRedBlue16(*((uint16 *)src32));
+		*((uint16 *)dst32) = format.swapRedBlue16(*((const uint16 *)src32));
 	}
 }
 
diff --git a/backends/platform/psp/memory.h b/backends/platform/psp/memory.h
index f794eb0baf..edf19b116b 100644
--- a/backends/platform/psp/memory.h
+++ b/backends/platform/psp/memory.h
@@ -72,7 +72,7 @@ public:
 	// This is the interface to the outside world
 	static void *fastCopy(void *dstv, const void *srcv, int32 bytes) {
 		byte *dst = (byte *)dstv;
-		byte *src = (byte *)srcv;
+		const byte *src = (const byte *)srcv;
 
 		if (bytes < MIN_AMOUNT_FOR_COMPLEX_COPY) {
 			copy8(dst, src, bytes);
@@ -114,9 +114,9 @@ private:
 public:
 	static void fastSwap(byte *dst, const byte *src, uint32 bytes, PSPPixelFormat &format) {
 		if (bytes < MIN_AMOUNT_FOR_COMPLEX_COPY * 2) {
-			swap16((uint16 *)dst, (uint16 *)src, bytes, format);
+			swap16((uint16 *)dst, (const uint16 *)src, bytes, format);
 		} else {	// go to more powerful copy
-			swap((uint16 *)dst, (uint16 *)src, bytes, format);
+			swap((uint16 *)dst, (const uint16 *)src, bytes, format);
 		}
 	}
 };
diff --git a/backends/platform/psp/mp3.cpp b/backends/platform/psp/mp3.cpp
index 6db2a73a4b..9e55fc72f5 100644
--- a/backends/platform/psp/mp3.cpp
+++ b/backends/platform/psp/mp3.cpp
@@ -98,13 +98,13 @@ bool Mp3PspStream::initDecoder() {
 	uint32 firmware = sceKernelDevkitVersion();
 	PSP_DEBUG_PRINT("Firmware version 0x%x\n", firmware);
     if (firmware == 0x01050001){
-		if (!loadStartAudioModule((char *)(void *)"flash0:/kd/me_for_vsh.prx",
+		if (!loadStartAudioModule("flash0:/kd/me_for_vsh.prx",
 			PSP_MEMORY_PARTITION_KERNEL)) {
 			PSP_ERROR("failed to load me_for_vsh.prx. ME cannot start.\n");
 			_decoderFail = true;
 			return false;
 		}
-        if (!loadStartAudioModule((char *)(void *)"flash0:/kd/audiocodec.prx", PSP_MEMORY_PARTITION_KERNEL)) {
+        if (!loadStartAudioModule("flash0:/kd/audiocodec.prx", PSP_MEMORY_PARTITION_KERNEL)) {
 			PSP_ERROR("failed to load audiocodec.prx. ME cannot start.\n");
 			_decoderFail = true;
 			return false;