From: Hans de Goede <hdegoede@redhat.com>
Date: Mon, 8 Dec 2014 13:17:08 +0000 (+0100)
Subject: sunxi: Use memcmp for mctl_mem_matches
X-Git-Tag: KARO-TXA5-2015-06-26~38^2~172
X-Git-Url: https://git.kernelconcepts.de/?a=commitdiff_plain;h=2367b44d0f40f8be0e82c5df459b7ec5fc3f0155;p=karo-tx-uboot.git

sunxi: Use memcmp for mctl_mem_matches

Use memcmp for mctl_mem_matches instead of DIY.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
---

diff --git a/arch/arm/include/asm/arch-sunxi/dram.h b/arch/arm/include/asm/arch-sunxi/dram.h
index 0bf718c3a4..a8a37d57f8 100644
--- a/arch/arm/include/asm/arch-sunxi/dram.h
+++ b/arch/arm/include/asm/arch-sunxi/dram.h
@@ -55,15 +55,9 @@ static inline void mctl_mem_fill(void)
  */
 static inline bool mctl_mem_matches(u32 offset)
 {
-	int i, matches = 0;
-
-	for (i = 0; i < MCTL_MEM_FILL_MATCH_COUNT; i++) {
-		if (readl(CONFIG_SYS_SDRAM_BASE + i * 4) ==
-		    readl(CONFIG_SYS_SDRAM_BASE + offset + i * 4))
-			matches++;
-	}
-
-	return matches == MCTL_MEM_FILL_MATCH_COUNT;
+	return memcmp((u32 *)CONFIG_SYS_SDRAM_BASE,
+		      (u32 *)(CONFIG_SYS_SDRAM_BASE + offset),
+		      MCTL_MEM_FILL_MATCH_COUNT * 4) == 0;
 }
 
 #endif /* _SUNXI_DRAM_H */