From: Dan Williams <dan.j.williams@intel.com>
Date: Sun, 29 Apr 2007 08:31:21 +0000 (+0100)
Subject: [ARM] 4340/1: iop: fix iop_getttimeoffset
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=8903fcce9b91bab6bb98adbb57a4edfc372c8bff;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

[ARM] 4340/1: iop: fix iop_getttimeoffset

Fix a typo which causes a necessary cpwait to be missed on iop3xx, Michael
Brunner <mibru@gmx.de>

Save a register in the assembly routine, rmk

Cc: Lennert Buytenhek <kernel@wantstofly.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/arch/arm/plat-iop/time.c b/arch/arm/plat-iop/time.c
index 16300adfb4de..0cc26da034a1 100644
--- a/arch/arm/plat-iop/time.c
+++ b/arch/arm/plat-iop/time.c
@@ -32,22 +32,22 @@ static unsigned long next_jiffy_time;
 
 unsigned long iop_gettimeoffset(void)
 {
-	unsigned long offset, temp1, temp2;
+	unsigned long offset, temp;
 
 	/* enable cp6, if necessary, to avoid taking the overhead of an
 	 * undefined instruction trap
 	 */
 	asm volatile (
 	"mrc	p15, 0, %0, c15, c1, 0\n\t"
-	"ands	%1, %0, #(1 << 6)\n\t"
+	"tst	%0, #(1 << 6)\n\t"
 	"orreq	%0, %0, #(1 << 6)\n\t"
 	"mcreq	p15, 0, %0, c15, c1, 0\n\t"
-#ifdef CONFIG_XSCALE
+#ifdef CONFIG_CPU_XSCALE
 	"mrceq	p15, 0, %0, c15, c1, 0\n\t"
 	"moveq	%0, %0\n\t"
 	"subeq	pc, pc, #4\n\t"
 #endif
-	: "=r"(temp1), "=r"(temp2) : : "cc");
+	: "=r"(temp) : : "cc");
 
 	offset = next_jiffy_time - read_tcr1();