From e110c4fe44edc34addee4839a1d20c0fbb076ad4 Mon Sep 17 00:00:00 2001 From: Graeme Russ Date: Fri, 15 Jul 2011 02:18:56 +0000 Subject: [PATCH] Timer: Allow reset_timer() only for systems with low resolution timers --- drivers/block/mg_disk.c | 2 ++ drivers/mtd/cfi_flash.c | 4 ++++ include/configs/PCI5441.h | 1 + include/configs/PK1C20.h | 1 + include/configs/nios2-generic.h | 1 + 5 files changed, 9 insertions(+) diff --git a/drivers/block/mg_disk.c b/drivers/block/mg_disk.c index f9e175dcb8..4407006a6f 100644 --- a/drivers/block/mg_disk.c +++ b/drivers/block/mg_disk.c @@ -91,7 +91,9 @@ static unsigned int mg_wait (u32 expect, u32 msec) u32 from, cur, err; err = MG_ERR_NONE; +#ifdef CONFIG_SYS_LOW_RES_TIMER reset_timer(); +#endif from = get_timer(0); status = readb(mg_base() + MG_REG_STATUS); diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c index 929f9a9d73..ac91dfd953 100644 --- a/drivers/mtd/cfi_flash.c +++ b/drivers/mtd/cfi_flash.c @@ -573,7 +573,9 @@ static int flash_status_check (flash_info_t * info, flash_sect_t sector, #endif /* Wait for command completion */ +#ifdef CONFIG_SYS_LOW_RES_TIMER reset_timer(); +#endif start = get_timer (0); while (flash_is_busy (info, sector)) { if (get_timer (start) > tout) { @@ -662,7 +664,9 @@ static int flash_status_poll(flash_info_t *info, void *src, void *dst, #endif /* Wait for command completion */ +#ifdef CONFIG_SYS_LOW_RES_TIMER reset_timer(); +#endif start = get_timer(0); while (1) { switch (info->portwidth) { diff --git a/include/configs/PCI5441.h b/include/configs/PCI5441.h index 70775e75fb..ae5bc2efea 100644 --- a/include/configs/PCI5441.h +++ b/include/configs/PCI5441.h @@ -118,6 +118,7 @@ * TMRMS represents the desired mecs per tick (msecs per interrupt). *----------------------------------------------------------------------*/ #define CONFIG_SYS_HZ 1000 /* Always 1000 */ +#define CONFIG_SYS_LOW_RES_TIMER #define CONFIG_SYS_NIOS_TMRBASE 0x00920860 /* Tick timer base addr */ #define CONFIG_SYS_NIOS_TMRIRQ 3 /* Timer IRQ num */ #define CONFIG_SYS_NIOS_TMRMS 10 /* Desired period (msec)*/ diff --git a/include/configs/PK1C20.h b/include/configs/PK1C20.h index b466c4b05a..95c30ccde6 100644 --- a/include/configs/PK1C20.h +++ b/include/configs/PK1C20.h @@ -128,6 +128,7 @@ * TMRMS represents the desired mecs per tick (msecs per interrupt). *----------------------------------------------------------------------*/ #define CONFIG_SYS_HZ 1000 /* Always 1000 */ +#define CONFIG_SYS_LOW_RES_TIMER #define CONFIG_SYS_NIOS_TMRBASE 0x02120820 /* Tick timer base addr */ #define CONFIG_SYS_NIOS_TMRIRQ 3 /* Timer IRQ num */ #define CONFIG_SYS_NIOS_TMRMS 10 /* Desired period */ diff --git a/include/configs/nios2-generic.h b/include/configs/nios2-generic.h index 53f2084d9f..d57d53cca5 100644 --- a/include/configs/nios2-generic.h +++ b/include/configs/nios2-generic.h @@ -52,6 +52,7 @@ /* * TIMER */ +#define CONFIG_SYS_LOW_RES_TIMER #define CONFIG_SYS_NIOS_TMRBASE CONFIG_SYS_TIMER_BASE #define CONFIG_SYS_NIOS_TMRIRQ CONFIG_SYS_TIMER_IRQ #define CONFIG_SYS_HZ 1000 /* Always 1000 */ -- 2.39.2