kumquat-buildroot/package/sunxi-tools/0001-meminfo-Access-to-io-memory-via-pointers.patch

From 5c0a443ba336f10a8db6a99c769aa84ad37ed4d2 Mon Sep 17 00:00:00 2001
From: Vadim Kochan <vadim4j@gmail.com>
Date: Wed, 20 Feb 2019 02:48:43 +0200
Subject: [PATCH] meminfo: Access to io memory via pointers

The main reason for this is to be able compile with musl library,
because there is no support of inx/outx functions for ARM platform.

Signed-off-by: Vadim Kochan <vadim4j@gmail.com>
---
 meminfo.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/meminfo.c b/meminfo.c
index 0b0ff23..7d9f10f 100644
--- a/meminfo.c
+++ b/meminfo.c
@@ -22,7 +22,6 @@
 #include <sys/mman.h>
 #include <stdint.h>
 #include <errno.h>
-#include <sys/io.h>
 #include <stdbool.h>
 
 #include "common.h"
@@ -74,24 +73,26 @@ static enum sunxi_soc_version soc_version;
 unsigned int
 sunxi_io_read(void *base, int offset)
 {
-	return inl((unsigned long) (base + offset));
+	unsigned long port = (unsigned long) (base + offset);
+	return *((volatile unsigned long *) port);
 }
 
 void
 sunxi_io_write(void *base, int offset, unsigned int value)
 {
-	outl(value, (unsigned long) (base + offset));
+	unsigned long port = (unsigned long) (base + offset);
+	*((volatile unsigned long *) port) = value;
 }
 
 void
 sunxi_io_mask(void *base, int offset, unsigned int value, unsigned int mask)
 {
-	unsigned int tmp = inl((unsigned long) (base + offset));
+	unsigned int tmp = sunxi_io_read(base, offset);
 
 	tmp &= ~mask;
 	tmp |= value & mask;
 
-	outl(tmp, (unsigned long) (base + offset));
+	sunxi_io_write(base, offset, tmp);
 }
 
 
-- 
2.14.1