[PATCH V4 40/62] ST SPEAr: replace readl, writel with readl_relaxed, writel_relaxed in uncompress.h
From: Viresh Kumar <hidden>
Date: 2011-01-18 07:12:07
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
readl also calls outer cache maintainance operations which are not available during Linux uncompression. This patch replaces readl, writel with readl_relaxed and writel_relaxed. Signed-off-by: Viresh Kumar <redacted> --- arch/arm/plat-spear/include/plat/uncompress.h | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/plat-spear/include/plat/uncompress.h b/arch/arm/plat-spear/include/plat/uncompress.h
index 99ba678..6dd455b 100644
--- a/arch/arm/plat-spear/include/plat/uncompress.h
+++ b/arch/arm/plat-spear/include/plat/uncompress.h@@ -24,10 +24,10 @@ static inline void putc(int c) { void __iomem *base = (void __iomem *)SPEAR_DBG_UART_BASE; - while (readl(base + UART01x_FR) & UART01x_FR_TXFF) + while (readl_relaxed(base + UART01x_FR) & UART01x_FR_TXFF) barrier(); - writel(c, base + UART01x_DR); + writel_relaxed(c, base + UART01x_DR); } static inline void flush(void)
--
1.7.2.2