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authorArnd Bergmann <arnd@arndb.de>2014-03-27 02:10:57 +0100
committerArnd Bergmann <arnd@arndb.de>2014-03-27 02:19:41 +0100
commit32adc19d4b2f2d9a26fbbd0c1744d5b313106d6a (patch)
tree5e034ff3b39b6495a4d1d2cc3839b985b2e711d0 /arch/arm/include
parent22673b71689a65a89335d0f3e42ce952efb3e7e1 (diff)
parent1a259251f3638b04c1dbe07220958af9572c95bb (diff)
Merge tag 'zynq-cleanup-for-3.15-v2' of git://git.xilinx.com/linux-xlnx into next/cleanup2
Merge "arm: Xilinx Zynq cleanup patches for v3.15" from Michal Simek: - Redesign SLCR initialization to enable driver developing which targets SLCR space * tag 'zynq-cleanup-for-3.15-v2' of git://git.xilinx.com/linux-xlnx: ARM: zynq: Add waituart implementation ARM: zynq: Move of_clk_init from clock driver ARM: zynq: Introduce zynq_slcr_unlock() ARM: zynq: Add and use zynq_slcr_read/write() helper functions ARM: zynq: Make zynq_slcr_base static ARM: zynq: Map I/O memory on clkc init ARM: zynq: Hang iomapped slcr address on device_node ARM: zynq: Split slcr in two parts ARM: zynq: Move clock_init from slcr to common arm: dt: zynq: Add fclk-enable property to clkc node [Arnd: remove SOC_BUS support from pull request] Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm/include')
-rw-r--r--arch/arm/include/debug/zynq.S3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/include/debug/zynq.S b/arch/arm/include/debug/zynq.S
index f9aa9740a73..0b762fafa75 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