linux-kernel - [PATCH] spi: spi-cadence: Fix SPI NO Slave Select macro definition

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Date:   Wed, 13 Jul 2022 22:15:29 +0530
From:   Amit Kumar Mahapatra <amit.kumar-mahapatra@...inx.com>
To:     <broonie@...nel.org>
CC:     <linux-spi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <git@....com>, <sai.krishna.potthuri@....com>,
        <amit.kumar-mahapatra@....com>,
        Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@...inx.com>,
        Amit Kumar Mahapatra <amit.kumar-mahapatra@...inx.com>
Subject: [PATCH] spi: spi-cadence: Fix SPI NO Slave Select macro definition

From: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@...inx.com>

Fix SPI NO Slave Select macro definition, when all the SPI CS bits
are high which means no slave is selected.

Fixes: 21b511ddee09 ("spi: spi-cadence: Fix SPI CS gets toggling sporadically")
Signed-off-by: Sai Krishna Potthuri <lakshmi.sai.krishna.potthuri@...inx.com>
Signed-off-by: Amit Kumar Mahapatra <amit.kumar-mahapatra@...inx.com>
---
BRANCH: for-next
---
 drivers/spi/spi-cadence.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c
index 31d778e9d255..6a7f7df1e776 100644
--- a/drivers/spi/spi-cadence.c
+++ b/drivers/spi/spi-cadence.c
@@ -69,7 +69,7 @@
 #define CDNS_SPI_BAUD_DIV_SHIFT		3 /* Baud rate divisor shift in CR */
 #define CDNS_SPI_SS_SHIFT		10 /* Slave Select field shift in CR */
 #define CDNS_SPI_SS0			0x1 /* Slave Select zero */
-#define CDNS_SPI_NOSS			0x3C /* No Slave select */
+#define CDNS_SPI_NOSS			0xF /* No Slave select */
 
 /*
  * SPI Interrupt Registers bit Masks
-- 
2.17.1