From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp

---
 kernel/drivers/spi/spi-cavium-thunderx.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/kernel/drivers/spi/spi-cavium-thunderx.c b/kernel/drivers/spi/spi-cavium-thunderx.c
index 828fbbe..60c0d69 100644
--- a/kernel/drivers/spi/spi-cavium-thunderx.c
+++ b/kernel/drivers/spi/spi-cavium-thunderx.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Cavium ThunderX SPI driver.
  *
@@ -63,6 +64,7 @@
 		p->sys_freq = SYS_FREQ_DEFAULT;
 	dev_info(dev, "Set system clock to %u\n", p->sys_freq);
 
+	master->flags = SPI_MASTER_HALF_DUPLEX;
 	master->num_chipselect = 4;
 	master->mode_bits = SPI_CPHA | SPI_CPOL | SPI_CS_HIGH |
 			    SPI_LSB_FIRST | SPI_3WIRE;

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