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Thu, 15 Feb 2024 22:08:14 +0000 Received: from smtpav03.dal12v.mail.ibm.com (smtpav03.dal12v.mail.ibm.com [10.241.53.102]) by smtprelay01.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 41FM8BP325166376 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 15 Feb 2024 22:08:13 GMT Received: from smtpav03.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C14125806F; Thu, 15 Feb 2024 22:08:09 +0000 (GMT) Received: from smtpav03.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7613858064; Thu, 15 Feb 2024 22:08:09 +0000 (GMT) Received: from slate16.aus.stglabs.ibm.com (unknown [9.61.14.18]) by smtpav03.dal12v.mail.ibm.com (Postfix) with ESMTP; Thu, 15 Feb 2024 22:08:09 +0000 (GMT) From: Eddie James To: linux-fsi@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, linux-clk@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, sboyd@kernel.org, mturquette@baylibre.com, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org Subject: [PATCH 22/33] fsi: aspeed: Use common master error handler Date: Thu, 15 Feb 2024 16:07:48 -0600 Message-Id: <20240215220759.976998-23-eajames@linux.ibm.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20240215220759.976998-1-eajames@linux.ibm.com> References: <20240215220759.976998-1-eajames@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 8YXFbKlVAKmhtnmB7Gcf3aK36PmZktfK X-Proofpoint-ORIG-GUID: 8YXFbKlVAKmhtnmB7Gcf3aK36PmZktfK X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-15_20,2024-02-14_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 priorityscore=1501 impostorscore=0 suspectscore=0 mlxlogscore=999 adultscore=0 clxscore=1015 lowpriorityscore=0 spamscore=0 malwarescore=0 bulkscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2402150171 This will do the correct mmode manipulation to do the master reset. Signed-off-by: Eddie James --- 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;