[PATCH 04/12] mips: ralink: rt3883: define RT3883_SYSC_BASE with __iomem

From: Sergio Paracuellos
Date: Mon Feb 27 2023 - 05:59:01 EST


So that RT3883_SYSC_BASE can be used later in multiple functions without
needing to repeat this __iomem declaration each time

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@xxxxxxxxx>
---
arch/mips/include/asm/mach-ralink/rt3883.h | 4 +++-
arch/mips/ralink/rt3883.c | 7 +++----
2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/arch/mips/include/asm/mach-ralink/rt3883.h b/arch/mips/include/asm/mach-ralink/rt3883.h
index f250de9c055b..ad25d5e8d2dc 100644
--- a/arch/mips/include/asm/mach-ralink/rt3883.h
+++ b/arch/mips/include/asm/mach-ralink/rt3883.h
@@ -10,8 +10,10 @@

#include <linux/bitops.h>

+#define IOMEM(x) ((void __iomem *)(KSEG1ADDR(x)))
+
#define RT3883_SDRAM_BASE 0x00000000
-#define RT3883_SYSC_BASE 0x10000000
+#define RT3883_SYSC_BASE IOMEM(0x10000000)
#define RT3883_TIMER_BASE 0x10000100
#define RT3883_INTC_BASE 0x10000200
#define RT3883_MEMC_BASE 0x10000300
diff --git a/arch/mips/ralink/rt3883.c b/arch/mips/ralink/rt3883.c
index d9875f146d66..fa215c07558d 100644
--- a/arch/mips/ralink/rt3883.c
+++ b/arch/mips/ralink/rt3883.c
@@ -72,15 +72,14 @@ void __init ralink_of_remap(void)

void __init prom_soc_init(struct ralink_soc_info *soc_info)
{
- void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT3883_SYSC_BASE);
const char *name;
u32 n0;
u32 n1;
u32 id;

- n0 = __raw_readl(sysc + RT3883_SYSC_REG_CHIPID0_3);
- n1 = __raw_readl(sysc + RT3883_SYSC_REG_CHIPID4_7);
- id = __raw_readl(sysc + RT3883_SYSC_REG_REVID);
+ n0 = __raw_readl(RT3883_SYSC_BASE + RT3883_SYSC_REG_CHIPID0_3);
+ n1 = __raw_readl(RT3883_SYSC_BASE + RT3883_SYSC_REG_CHIPID4_7);
+ id = __raw_readl(RT3883_SYSC_BASE + RT3883_SYSC_REG_REVID);

if (n0 == RT3883_CHIP_NAME0 && n1 == RT3883_CHIP_NAME1) {
soc_info->compatible = "ralink,rt3883-soc";
--
2.25.1