From: Michal Simek <michal.simek@xilinx.com>
Date: Mon, 3 Feb 2014 16:36:23 +0000 (+0100)
Subject: ARM: zynq: Add waituart implementation
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1a259251f3638b04c1dbe07220958af9572c95bb;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

ARM: zynq: Add waituart implementation

Add missing waituart implementation.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

diff --git a/arch/arm/include/debug/zynq.S b/arch/arm/include/debug/zynq.S
index f9aa9740a73f..0b762fafa758 100644
--- a/arch/arm/include/debug/zynq.S
+++ b/arch/arm/include/debug/zynq.S
@@ -42,6 +42,9 @@
 		.endm
 
 		.macro	waituart,rd,rx
+1001:		ldr	\rd, [\rx, #UART_SR_OFFSET]
+		tst	\rd, #UART_SR_TXEMPTY
+		beq	1001b
 		.endm
 
 		.macro	busyuart,rd,rx