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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: "leilk.liu" <leilk.liu@mediatek.com>,
	Mark Brown <broonie@kernel.org>, Sasha Levin <sashal@kernel.org>,
	linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org
Subject: [PATCH AUTOSEL 4.14 05/13] spi: mediatek: use correct SPI_CFG2_REG MACRO
Date: Mon, 20 Jul 2020 17:39:06 -0400	[thread overview]
Message-ID: <20200720213914.407919-5-sashal@kernel.org> (raw)
In-Reply-To: <20200720213914.407919-1-sashal@kernel.org>

From: "leilk.liu" <leilk.liu@mediatek.com>

[ Upstream commit 44b37eb79e16a56cb30ba55b2da452396b941e7a ]

this patch use correct SPI_CFG2_REG offset.

Signed-off-by: leilk.liu <leilk.liu@mediatek.com>
Link: https://lore.kernel.org/r/20200701090020.7935-1-leilk.liu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/spi/spi-mt65xx.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
index 0c2867deb36fc..da28c52c9da19 100644
--- a/drivers/spi/spi-mt65xx.c
+++ b/drivers/spi/spi-mt65xx.c
@@ -41,7 +41,6 @@
 #define SPI_CFG0_SCK_LOW_OFFSET           8
 #define SPI_CFG0_CS_HOLD_OFFSET           16
 #define SPI_CFG0_CS_SETUP_OFFSET          24
-#define SPI_ADJUST_CFG0_SCK_LOW_OFFSET    16
 #define SPI_ADJUST_CFG0_CS_HOLD_OFFSET    0
 #define SPI_ADJUST_CFG0_CS_SETUP_OFFSET   16
 
@@ -53,6 +52,8 @@
 #define SPI_CFG1_CS_IDLE_MASK             0xff
 #define SPI_CFG1_PACKET_LOOP_MASK         0xff00
 #define SPI_CFG1_PACKET_LENGTH_MASK       0x3ff0000
+#define SPI_CFG2_SCK_HIGH_OFFSET          0
+#define SPI_CFG2_SCK_LOW_OFFSET           16
 
 #define SPI_CMD_ACT                  BIT(0)
 #define SPI_CMD_RESUME               BIT(1)
@@ -259,7 +260,7 @@ static void mtk_spi_set_cs(struct spi_device *spi, bool enable)
 static void mtk_spi_prepare_transfer(struct spi_master *master,
 				     struct spi_transfer *xfer)
 {
-	u32 spi_clk_hz, div, sck_time, cs_time, reg_val = 0;
+	u32 spi_clk_hz, div, sck_time, cs_time, reg_val;
 	struct mtk_spi *mdata = spi_master_get_devdata(master);
 
 	spi_clk_hz = clk_get_rate(mdata->spi_clk);
@@ -272,18 +273,18 @@ static void mtk_spi_prepare_transfer(struct spi_master *master,
 	cs_time = sck_time * 2;
 
 	if (mdata->dev_comp->enhance_timing) {
+		reg_val = (((sck_time - 1) & 0xffff)
+			   << SPI_CFG2_SCK_HIGH_OFFSET);
 		reg_val |= (((sck_time - 1) & 0xffff)
-			   << SPI_CFG0_SCK_HIGH_OFFSET);
-		reg_val |= (((sck_time - 1) & 0xffff)
-			   << SPI_ADJUST_CFG0_SCK_LOW_OFFSET);
+			   << SPI_CFG2_SCK_LOW_OFFSET);
 		writel(reg_val, mdata->base + SPI_CFG2_REG);
-		reg_val |= (((cs_time - 1) & 0xffff)
+		reg_val = (((cs_time - 1) & 0xffff)
 			   << SPI_ADJUST_CFG0_CS_HOLD_OFFSET);
 		reg_val |= (((cs_time - 1) & 0xffff)
 			   << SPI_ADJUST_CFG0_CS_SETUP_OFFSET);
 		writel(reg_val, mdata->base + SPI_CFG0_REG);
 	} else {
-		reg_val |= (((sck_time - 1) & 0xff)
+		reg_val = (((sck_time - 1) & 0xff)
 			   << SPI_CFG0_SCK_HIGH_OFFSET);
 		reg_val |= (((sck_time - 1) & 0xff) << SPI_CFG0_SCK_LOW_OFFSET);
 		reg_val |= (((cs_time - 1) & 0xff) << SPI_CFG0_CS_HOLD_OFFSET);
-- 
2.25.1


  parent reply	other threads:[~2020-07-20 21:40 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-20 21:39 [PATCH AUTOSEL 4.14 01/13] HID: i2c-hid: add Mediacom FlexBook edge13 to descriptor override Sasha Levin
2020-07-20 21:39 ` [PATCH AUTOSEL 4.14 02/13] HID: apple: Disable Fn-key key-re-mapping on clone keyboards Sasha Levin
2020-07-20 21:39 ` [PATCH AUTOSEL 4.14 03/13] dmaengine: tegra210-adma: Fix runtime PM imbalance on error Sasha Levin
2020-07-20 21:39 ` [PATCH AUTOSEL 4.14 04/13] Input: add `SW_MACHINE_COVER` Sasha Levin
2020-07-20 21:39 ` Sasha Levin [this message]
2020-07-20 21:39 ` [PATCH AUTOSEL 4.14 06/13] regmap: dev_get_regmap_match(): fix string comparison Sasha Levin
2020-07-20 21:39 ` [PATCH AUTOSEL 4.14 07/13] hwmon: (aspeed-pwm-tacho) Avoid possible buffer overflow Sasha Levin
2020-07-20 21:39 ` [PATCH AUTOSEL 4.14 08/13] dmaengine: ioat setting ioat timeout as module parameter Sasha Levin
2020-07-20 21:39 ` [PATCH AUTOSEL 4.14 09/13] Input: synaptics - enable InterTouch for ThinkPad X1E 1st gen Sasha Levin
2020-07-20 21:39 ` [PATCH AUTOSEL 4.14 10/13] usb: gadget: udc: gr_udc: fix memleak on error handling path in gr_ep_init() Sasha Levin
2020-07-20 21:39 ` [PATCH AUTOSEL 4.14 11/13] arm64: Use test_tsk_thread_flag() for checking TIF_SINGLESTEP Sasha Levin
2020-07-20 21:39 ` [PATCH AUTOSEL 4.14 12/13] x86: math-emu: Fix up 'cmp' insn for clang ias Sasha Levin
2020-07-20 21:39 ` [PATCH AUTOSEL 4.14 13/13] SUNRPC reverting d03727b248d0 ("NFSv4 fix CLOSE not waiting for direct IO compeletion") Sasha Levin

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