From mboxrd@z Thu Jan 1 00:00:00 1970 From: michal.simek@xilinx.com (Michal Simek) Date: Mon, 10 Feb 2014 11:37:03 +0100 Subject: [PATCH] ARM: zynq: Add waituart implementation Message-ID: <13a04fc77bd93b2ad5a15a8967627a11fb7c8925.1392028615.git.michal.simek@xilinx.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add missing waituart implementation. Signed-off-by: Michal Simek --- arch/arm/include/debug/zynq.S | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/include/debug/zynq.S b/arch/arm/include/debug/zynq.S index f9aa974..0b762fa 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 -- 1.8.2.3 -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 198 bytes Desc: not available URL: