linux-kernel - [PATCH 02/11] spi: spi-nxp-fspi: change the default lut index

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Date:   Tue,  5 Jul 2022 17:11:34 +0800
From:   haibo.chen@....com
To:     ashish.kumar@....com, yogeshgaur.83@...il.com, broonie@...nel.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        han.xu@....com, singh.kuldeep87k@...il.com,
        tudor.ambarus@...rochip.com, p.yadav@...com, michael@...le.cc,
        miquel.raynal@...tlin.com, richard@....at, vigneshr@...com,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de
Cc:     linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-mtd@...ts.infradead.org,
        festevam@...il.com, linux-imx@....com,
        linux-arm-kernel@...ts.infradead.org, haibo.chen@....com,
        zhengxunli@...c.com.tw
Subject: [PATCH 02/11] spi: spi-nxp-fspi: change the default lut index

From: Haibo Chen <haibo.chen@....com>

The fspi dynamic lut use the last lut for all IPS operations, the
imx8ulp only supports 15 luts, so change the last lut index from
31 to 15.

Signed-off-by: Han Xu <han.xu@....com>
Signed-off-by: Haibo Chen <haibo.chen@....com>
---
 drivers/spi/spi-nxp-fspi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-nxp-fspi.c b/drivers/spi/spi-nxp-fspi.c
index b2cd8e06f374..10e71e55d21a 100644
--- a/drivers/spi/spi-nxp-fspi.c
+++ b/drivers/spi/spi-nxp-fspi.c
@@ -65,9 +65,9 @@
 /*
  * The driver only uses one single LUT entry, that is updated on
  * each call of exec_op(). Index 0 is preset at boot with a basic
- * read operation, so let's use the last entry (31).
+ * read operation, so let's use the last entry (15).
  */
-#define	SEQID_LUT			31
+#define	SEQID_LUT			15
 
 /* Registers used by the driver */
 #define FSPI_MCR0			0x00
-- 
2.25.1