From d84f27f264dbeaa74cc47f84ec7e6bc990072c9f Mon Sep 17 00:00:00 2001 From: Matteo Croce Date: Mon, 7 Apr 2008 13:49:44 +0000 Subject: [PATCH] ar7: remove useless volatiles SVN-Revision: 10757 --- target/linux/ar7/files/arch/mips/ar7/clock.c | 20 +++++++++---------- target/linux/ar7/files/arch/mips/ar7/memory.c | 15 ++++++++------ .../patches-2.6.24/100-board_support.patch | 2 +- 3 files changed, 20 insertions(+), 17 deletions(-) diff --git a/target/linux/ar7/files/arch/mips/ar7/clock.c b/target/linux/ar7/files/arch/mips/ar7/clock.c index 0f7e2d7eeb..450769e7fd 100644 --- a/target/linux/ar7/files/arch/mips/ar7/clock.c +++ b/target/linux/ar7/files/arch/mips/ar7/clock.c @@ -48,12 +48,12 @@ #define TNETD7200_DEF_USB_CLK 48000000 struct tnetd7300_clock { - volatile u32 ctrl; + u32 ctrl; #define PREDIV_MASK 0x001f0000 #define PREDIV_SHIFT 16 #define POSTDIV_MASK 0x0000001f u32 unused1[3]; - volatile u32 pll; + u32 pll; #define MUL_MASK 0x0000f000 #define MUL_SHIFT 12 #define PLL_MODE_MASK 0x00000001 @@ -71,17 +71,17 @@ struct tnetd7300_clocks { }; struct tnetd7200_clock { - volatile u32 ctrl; + u32 ctrl; u32 unused1[3]; #define DIVISOR_ENABLE_MASK 0x00008000 - volatile u32 mul; - volatile u32 prediv; - volatile u32 postdiv; - volatile u32 postdiv2; + u32 mul; + u32 prediv; + u32 postdiv; + u32 postdiv2; u32 unused2[6]; - volatile u32 cmd; - volatile u32 status; - volatile u32 cmden; + u32 cmd; + u32 status; + u32 cmden; u32 padding[15]; }; diff --git a/target/linux/ar7/files/arch/mips/ar7/memory.c b/target/linux/ar7/files/arch/mips/ar7/memory.c index 72d6668a1a..e8522a1741 100644 --- a/target/linux/ar7/files/arch/mips/ar7/memory.c +++ b/target/linux/ar7/files/arch/mips/ar7/memory.c @@ -37,22 +37,25 @@ static int __init memsize(void) { u32 size = (64 << 20); - volatile u32 *addr = (u32 *)KSEG1ADDR(0x14000000 + size - 4); + u32 *addr = (u32 *)KSEG1ADDR(0x14000000 + size - 4); u32 *kernel_end = (u32 *)KSEG1ADDR(CPHYSADDR((u32)&_end)); + u32 *tmpaddr = addr; - while (addr > kernel_end) { - *addr = (u32)addr; + while (tmpaddr > kernel_end) { + *tmpaddr = (u32)tmpaddr; size >>= 1; - addr -= size >> 2; + tmpaddr -= size >> 2; } do { - addr += size >> 2; - if (*addr != (u32)addr) + tmpaddr += size >> 2; + if (*tmpaddr != (u32)tmpaddr) break; size <<= 1; } while (size < (64 << 20)); + writel(tmpaddr, &addr); + return size; } diff --git a/target/linux/ar7/patches-2.6.24/100-board_support.patch b/target/linux/ar7/patches-2.6.24/100-board_support.patch index eefeb65a44..b9ee68737f 100644 --- a/target/linux/ar7/patches-2.6.24/100-board_support.patch +++ b/target/linux/ar7/patches-2.6.24/100-board_support.patch @@ -50,7 +50,7 @@ Index: linux-2.6.23-rc6/arch/mips/kernel/traps.c + *(u32 *)(ebase + 0x20C) = 0x00000000; + flush_icache_range(ebase + 0x200, ebase + 0x210); + } else { -+ *(volatile u32 *)(ebase + 0x200) = ++ *(u32 *)(ebase + 0x200) = + 0x08000000 | (0x03ffffff & (handler >> 2)); + flush_icache_range(ebase + 0x200, ebase + 0x204); + } -- 2.30.2