linux-kernel - [PATCH 22/33] fsi: aspeed: Use common master error handler

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Date: Thu, 15 Feb 2024 16:07:48 -0600
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-clk@...r.kernel.org, devicetree@...r.kernel.org,
        andi.shyti@...nel.org, eajames@...ux.ibm.com, alistair@...ple.id.au,
        joel@....id.au, jk@...abs.org, sboyd@...nel.org,
        mturquette@...libre.com, robh@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org
Subject: [PATCH 22/33] fsi: aspeed: Use common master error handler

This will do the correct mmode manipulation to do the master
reset.

Signed-off-by: Eddie James <eajames@...ux.ibm.com>
---
 drivers/fsi/fsi-master-aspeed.c | 27 ++++-----------------------
 1 file changed, 4 insertions(+), 23 deletions(-)

diff --git a/drivers/fsi/fsi-master-aspeed.c b/drivers/fsi/fsi-master-aspeed.c
index 92b47bc9917a..ac8835e4d1f8 100644
--- a/drivers/fsi/fsi-master-aspeed.c
+++ b/drivers/fsi/fsi-master-aspeed.c
@@ -220,27 +220,6 @@ static int opb_readb(struct fsi_master_aspeed *aspeed, uint32_t addr, u8 *out)
 	return __opb_read(aspeed, addr, XFER_BYTE, (void *)out);
 }
 
-static int check_errors(struct fsi_master_aspeed *aspeed, int err)
-{
-	int ret;
-
-	if (err == -EIO) {
-		/* Check MAEB (0x70) ? */
-
-		/* Then clear errors in master */
-		ret = opb_writel(aspeed, ctrl_base + FSI_MRESP0,
-				cpu_to_be32(FSI_MRESP_RST_ALL_MASTER));
-		if (ret) {
-			/* TODO: log? return different code? */
-			return ret;
-		}
-		/* TODO: confirm that 0x70 was okay */
-	}
-
-	/* This will pass through timeout errors */
-	return err;
-}
-
 static int aspeed_master_read(struct fsi_master *master, int link,
 			uint8_t id, uint32_t addr, void *val, size_t size)
 {
@@ -271,7 +250,8 @@ static int aspeed_master_read(struct fsi_master *master, int link,
 		goto done;
 	}
 
-	ret = check_errors(aspeed, ret);
+	if (ret == -EIO)
+		fsi_master_error(&aspeed->master, link);
 done:
 	spin_unlock_irqrestore(&aspeed->lock, flags);
 	return ret;
@@ -307,7 +287,8 @@ static int aspeed_master_write(struct fsi_master *master, int link,
 		goto done;
 	}
 
-	ret = check_errors(aspeed, ret);
+	if (ret == -EIO)
+		fsi_master_error(&aspeed->master, link);
 done:
 	spin_unlock_irqrestore(&aspeed->lock, flags);
 	return ret;
-- 
2.39.3