From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Stefan Hellermann <stefan@the2masters.de>,
Paul Burton <paul.burton@mips.com>,
linux-mips@vger.kernel.org, Sasha Levin <sashal@kernel.org>
Subject: [PATCH AUTOSEL 4.9 1/7] MIPS: ath79: fix ar933x uart parity mode
Date: Wed, 10 Jul 2019 11:03:29 -0400 [thread overview]
Message-ID: <20190710150337.7390-1-sashal@kernel.org> (raw)
From: Stefan Hellermann <stefan@the2masters.de>
[ Upstream commit db13a5ba2732755cf13320f3987b77cf2a71e790 ]
While trying to get the uart with parity working I found setting even
parity enabled odd parity insted. Fix the register settings to match
the datasheet of AR9331.
A similar patch was created by 8devices, but not sent upstream.
https://github.com/8devices/openwrt-8devices/commit/77c5586ade3bb72cda010afad3f209ed0c98ea7c
Signed-off-by: Stefan Hellermann <stefan@the2masters.de>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: linux-mips@vger.kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/mips/include/asm/mach-ath79/ar933x_uart.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/mips/include/asm/mach-ath79/ar933x_uart.h b/arch/mips/include/asm/mach-ath79/ar933x_uart.h
index c2917b39966b..bba2c8837951 100644
--- a/arch/mips/include/asm/mach-ath79/ar933x_uart.h
+++ b/arch/mips/include/asm/mach-ath79/ar933x_uart.h
@@ -27,8 +27,8 @@
#define AR933X_UART_CS_PARITY_S 0
#define AR933X_UART_CS_PARITY_M 0x3
#define AR933X_UART_CS_PARITY_NONE 0
-#define AR933X_UART_CS_PARITY_ODD 1
-#define AR933X_UART_CS_PARITY_EVEN 2
+#define AR933X_UART_CS_PARITY_ODD 2
+#define AR933X_UART_CS_PARITY_EVEN 3
#define AR933X_UART_CS_IF_MODE_S 2
#define AR933X_UART_CS_IF_MODE_M 0x3
#define AR933X_UART_CS_IF_MODE_NONE 0
--
2.20.1
next reply other threads:[~2019-07-10 15:04 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-10 15:03 Sasha Levin [this message]
2019-07-10 15:03 ` [PATCH AUTOSEL 4.9 2/7] MIPS: fix build on non-linux hosts Sasha Levin
2019-07-10 15:03 ` [PATCH AUTOSEL 4.9 3/7] arm64/efi: Mark __efistub_stext_offset as an absolute symbol explicitly Sasha Levin
2019-07-10 15:03 ` [PATCH AUTOSEL 4.9 4/7] KVM: x86: degrade WARN to pr_warn_ratelimited Sasha Levin
2019-07-10 15:03 ` [PATCH AUTOSEL 4.9 5/7] drm/imx: notify drm core before sending event during crtc disable Sasha Levin
2019-07-10 15:03 ` [PATCH AUTOSEL 4.9 6/7] drm/imx: only send event on crtc disable if kept disabled Sasha Levin
2019-07-10 15:03 ` Sasha Levin
2019-07-10 15:03 ` [PATCH AUTOSEL 4.9 7/7] dmaengine: imx-sdma: fix use-after-free on probe error path Sasha Levin
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