Change in flashrom[stable]: hwaccess: Constify `addr` argument of MMIO read functions

[Nico Huber (Code Review)]

Nico Huber has uploaded this change for review. ( https://review.coreboot.org/21784

Change subject: hwaccess: Constify `addr` argument of MMIO read functions
......................................................................

hwaccess: Constify `addr` argument of MMIO read functions

Original-Change-Id: I1419241a8332b74103b3921df2c615bdf91346a7
Original-Reviewed-on: https://review.coreboot.org/18881
Original-Tested-by: build bot (Jenkins)
Original-Reviewed-by: Philippe Mathieu-Daudé 
Original-Reviewed-by: Youness Alaoui 
Original-Reviewed-by: David Hendricks

Change-Id: I9158e8a7b994fe84e71a39483db651843adcf892
Signed-off-by: Nico Huber 
---
M hwaccess.c
M programmer.h
2 files changed, 17 insertions(+), 17 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/84/21784/1

diff --git a/hwaccess.c b/hwaccess.c
index 3406334..2bf6f42 100644
--- a/hwaccess.c
+++ b/hwaccess.c
@@ -159,22 +159,22 @@
    sync_primitive();
 }

-uint8_t mmio_readb(void *addr)
+uint8_t mmio_readb(const void *addr)
 {
-	return *(volatile uint8_t *) addr;
+	return *(volatile const uint8_t *) addr;
 }

-uint16_t mmio_readw(void *addr)
+uint16_t mmio_readw(const void *addr)
 {
-	return *(volatile uint16_t *) addr;
+	return *(volatile const uint16_t *) addr;
 }

-uint32_t mmio_readl(void *addr)
+uint32_t mmio_readl(const void *addr)
 {
-	return *(volatile uint32_t *) addr;
+	return *(volatile const uint32_t *) addr;
 }

-void mmio_readn(void *addr, uint8_t *buf, size_t len)
+void mmio_readn(const void *addr, uint8_t *buf, size_t len)
 {
    memcpy(buf, addr, len);
    return;
@@ -195,17 +195,17 @@
    mmio_writel(cpu_to_le32(val), addr);
 }

-uint8_t mmio_le_readb(void *addr)
+uint8_t mmio_le_readb(const void *addr)
 {
    return le_to_cpu8(mmio_readb(addr));
 }

-uint16_t mmio_le_readw(void *addr)
+uint16_t mmio_le_readw(const void *addr)
 {
    return le_to_cpu16(mmio_readw(addr));
 }

-uint32_t mmio_le_readl(void *addr)
+uint32_t mmio_le_readl(const void *addr)
 {
    return le_to_cpu32(mmio_readl(addr));
 }
diff --git a/programmer.h b/programmer.h
index 3853413..1a6216a 100644
--- a/programmer.h
+++ b/programmer.h
@@ -351,16 +351,16 @@
 void mmio_writeb(uint8_t val, void *addr);
 void mmio_writew(uint16_t val, void *addr);
 void mmio_writel(uint32_t val, void *addr);
-uint8_t mmio_readb(void *addr);
-uint16_t mmio_readw(void *addr);
-uint32_t mmio_readl(void *addr);
-void mmio_readn(void *addr, uint8_t *buf, size_t len);
+uint8_t mmio_readb(const void *addr);
+uint16_t mmio_readw(const void *addr);
+uint32_t mmio_readl(const void *addr);
+void mmio_readn(const void *addr, uint8_t *buf, size_t len);
 void mmio_le_writeb(uint8_t val, void *addr);
 void mmio_le_writew(uint16_t val, void *addr);
 void mmio_le_writel(uint32_t val, void *addr);
-uint8_t mmio_le_readb(void *addr);
-uint16_t mmio_le_readw(void *addr);
-uint32_t mmio_le_readl(void *addr);
+uint8_t mmio_le_readb(const void *addr);
+uint16_t mmio_le_readw(const void *addr);
+uint32_t mmio_le_readl(const void *addr);
 #define pci_mmio_writeb mmio_le_writeb
 #define pci_mmio_writew mmio_le_writew
 #define pci_mmio_writel mmio_le_writel