From: Eddie James <eajames@linux.ibm.com>
To: linux-fsi@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org,
devicetree@vger.kernel.org, andi.shyti@kernel.org,
eajames@linux.ibm.com, alistair@popple.id.au, joel@jms.id.au,
jk@ozlabs.org, robh@kernel.org,
krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
lakshmiy@us.ibmcom
Subject: [PATCH v2 21/31] fsi: aspeed: Use common master error handler
Date: Mon, 26 Feb 2024 10:53:11 -0600 [thread overview]
Message-ID: <20240226165321.91976-22-eajames@linux.ibm.com> (raw)
In-Reply-To: <20240226165321.91976-1-eajames@linux.ibm.com>
This will do the correct mmode manipulation to do the master
reset.
Signed-off-by: Eddie James <eajames@linux.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
next prev parent reply other threads:[~2024-02-26 16:53 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-26 16:52 [PATCH v2 00/31] fsi: Interrupt support Eddie James
2024-02-26 16:52 ` [PATCH v2 01/31] fsi: Move slave definitions to fsi-slave.h Eddie James
2024-02-26 16:52 ` [PATCH v2 02/31] fsi: Improve master indexing Eddie James
2024-02-26 16:52 ` [PATCH v2 03/31] fsi: Use a defined value for default echo delay Eddie James
2024-02-26 16:52 ` [PATCH v2 04/31] fsi: Expose master-specific local bus clock divider Eddie James
2024-02-26 16:52 ` [PATCH v2 05/31] ARM: dts: aspeed: p10 and tacoma: Set FSI clock frequency Eddie James
2024-02-26 16:52 ` [PATCH v2 06/31] fsi: core: Improve master read/write/error traces Eddie James
2024-02-26 16:52 ` [PATCH v2 07/31] fsi: core: Add slave error trace Eddie James
2024-02-26 16:52 ` [PATCH v2 08/31] dt-bindings: fsi: Add AST2700 compatible Eddie James
2024-02-27 7:14 ` Krzysztof Kozlowski
2024-02-28 15:47 ` Rob Herring
2024-02-26 16:52 ` [PATCH v2 09/31] fsi: aspeed: Add AST2700 support Eddie James
2024-02-26 16:53 ` [PATCH v2 10/31] fsi: core: Add slave spinlock Eddie James
2024-02-26 16:53 ` [PATCH v2 11/31] fsi: core: Allow cfam device type aliases Eddie James
2024-02-26 16:53 ` [PATCH v2 12/31] fsi: core: Add common regmap master functions Eddie James
2024-02-26 16:53 ` [PATCH v2 13/31] fsi: hub: Use common initialization and link enable Eddie James
2024-02-26 16:53 ` [PATCH v2 14/31] fsi: aspeed: " Eddie James
2024-02-26 16:53 ` [PATCH v2 15/31] fsi: aspeed: Remove cfam reset sysfs file in error path and remove Eddie James
2024-02-26 16:53 ` [PATCH v2 16/31] fsi: aspeed: Refactor trace functions Eddie James
2024-02-26 16:53 ` [PATCH v2 17/31] fsi: aspeed: Don't clear all IRQs during OPB transfers Eddie James
2024-02-26 16:53 ` [PATCH v2 18/31] fsi: aspeed: Only read result register for successful read Eddie James
2024-02-26 16:53 ` [PATCH v2 19/31] fsi: aspeed: Switch to spinlock Eddie James
2024-02-26 16:53 ` [PATCH v2 20/31] fsi: aspeed: Disable relative addressing and IPOLL for cfam reset Eddie James
2024-02-26 16:53 ` Eddie James [this message]
2024-02-26 16:53 ` [PATCH v2 22/31] fsi: core: Add interrupt support Eddie James
2024-02-26 16:53 ` [PATCH v2 23/31] fsi: aspeed: " Eddie James
2024-02-26 16:53 ` [PATCH v2 24/31] fsi: hub: " Eddie James
2024-02-26 16:53 ` [PATCH v2 25/31] i2c: fsi: Calculate clock divider from local bus frequency Eddie James
2024-04-15 22:11 ` Andi Shyti
2024-04-16 18:09 ` Eddie James
2024-04-16 21:20 ` Guenter Roeck
2024-04-17 13:50 ` Eddie James
2024-02-26 16:53 ` [PATCH v2 26/31] i2c: fsi: Improve formatting Eddie James
2024-04-15 22:13 ` Andi Shyti
2024-02-26 16:53 ` [PATCH v2 27/31] i2c: fsi: Change fsi_i2c_write_reg to accept data instead of a pointer Eddie James
2024-02-26 16:53 ` [PATCH v2 28/31] i2c: fsi: Remove list structure of ports Eddie James
2024-02-26 16:53 ` [PATCH v2 29/31] i2c: fsi: Define a function to check status error bits Eddie James
2024-02-26 16:53 ` [PATCH v2 30/31] i2c: fsi: Add boolean for skip stop command on abort Eddie James
2024-02-26 16:53 ` [PATCH v2 31/31] i2c: fsi: Add interrupt support Eddie James
2024-02-27 13:44 ` [PATCH v2 00/31] fsi: Interrupt support Rob Herring
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