From: Christian Lamparter <chunkeey@googlemail.com>
Date: Thu, 24 Nov 2011 00:32:38 +0000 (+0100)
Subject: carl9170 firmware: optimize get_async
X-Git-Tag: 1.9.5~14
X-Git-Url: https://jxself.org/git/?p=carl9170fw.git;a=commitdiff_plain;h=8d6c5e6578b05a9309ff4323a84cb8d924d63623

carl9170 firmware: optimize get_async

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
---

diff --git a/carlfw/include/io.h b/carlfw/include/io.h
index 1186af6..4ccdc6e 100644
--- a/carlfw/include/io.h
+++ b/carlfw/include/io.h
@@ -81,13 +81,11 @@ static inline __inline uint32_t readl_async(const volatile void *addr)
 	uint32_t i = 0, read, tmp;
 
 	read = readl(addr);
-	while (i++ < 10) {
+	do {
+		tmp = read;
 		tmp = readl(addr);
-		if (tmp == read)
-			break;
-		else
-			read = tmp;
-	}
+		i++;
+	} while (tmp != read && i <= 10);
 
 	return read;
 }