linux-kernel - [PATCH v3 04/40] fsi: Use a defined value for default echo delay

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Message-Id: <20240516181907.3468796-5-eajames@linux.ibm.com>
Date: Thu, 16 May 2024 13:18:31 -0500
From: Eddie James <eajames@...ux.ibm.com>
To: linux-fsi@...ts.ozlabs.org
Cc: linux-kernel@...r.kernel.org, linux-i2c@...r.kernel.org,
        linux-spi@...r.kernel.org, broonie@...nel.org, andi.shyti@...nel.org,
        joel@....id.au, alistair@...ple.id.au, jk@...abs.org,
        andrew@...econstruct.com.au, linux-aspeed@...ts.ozlabs.org,
        eajames@...ux.ibm.com
Subject: [PATCH v3 04/40] fsi: Use a defined value for default echo delay

Avoid hardcoding '16' several times.

Signed-off-by: Eddie James <eajames@...ux.ibm.com>
---
 drivers/fsi/fsi-core.c  | 6 +++---
 drivers/fsi/fsi-slave.h | 2 ++
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c
index e8dbf5e95c234..27235583183e5 100644
--- a/drivers/fsi/fsi-core.c
+++ b/drivers/fsi/fsi-core.c
@@ -1008,8 +1008,8 @@ static int fsi_slave_init(struct fsi_master *master, int link, uint8_t id)
 	slave->link = link;
 	slave->id = id;
 	slave->size = FSI_SLAVE_SIZE_23b;
-	slave->t_send_delay = 16;
-	slave->t_echo_delay = 16;
+	slave->t_send_delay = FSI_SMODE_SD_DEFAULT;
+	slave->t_echo_delay = FSI_SMODE_ED_DEFAULT;
 
 	/* Get chip ID if any */
 	slave->chip_id = -1;
@@ -1160,7 +1160,7 @@ static int fsi_master_break(struct fsi_master *master, int link)
 	if (master->send_break)
 		rc = master->send_break(master, link);
 	if (master->link_config)
-		master->link_config(master, link, 16, 16);
+		master->link_config(master, link, FSI_SMODE_SD_DEFAULT, FSI_SMODE_ED_DEFAULT);
 
 	return rc;
 }
diff --git a/drivers/fsi/fsi-slave.h b/drivers/fsi/fsi-slave.h
index f6cca04131a92..45190b06fa027 100644
--- a/drivers/fsi/fsi-slave.h
+++ b/drivers/fsi/fsi-slave.h
@@ -42,8 +42,10 @@
 #define FSI_SMODE_SID_BREAK	3		/* ID after break command */
 #define FSI_SMODE_ED_SHIFT	20		/* Echo delay shift */
 #define FSI_SMODE_ED_MASK	0xf		/* Echo delay mask */
+#define FSI_SMODE_ED_DEFAULT	 16		/* Default echo delay */
 #define FSI_SMODE_SD_SHIFT	16		/* Send delay shift */
 #define FSI_SMODE_SD_MASK	0xf		/* Send delay mask */
+#define FSI_SMODE_SD_DEFAULT	 16		/* Default send delay */
 #define FSI_SMODE_LBCRR_SHIFT	8		/* Clk ratio shift */
 #define FSI_SMODE_LBCRR_MASK	0xf		/* Clk ratio mask */
 
-- 
2.39.3