| Message ID | 20200820161152.22751-4-eajames@linux.ibm.com |
|---|---|
| State | New |
| Headers | show
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Thu, 20 Aug 2020 12:12:01 -0400 Received: from m0098409.ppops.net (m0098409.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 07KG3bbf029910; Thu, 20 Aug 2020 12:12:00 -0400 Received: from ppma04wdc.us.ibm.com (1a.90.2fa9.ip4.static.sl-reverse.com [169.47.144.26]) by mx0a-001b2d01.pphosted.com with ESMTP id 331ugca6mg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 20 Aug 2020 12:12:00 -0400 Received: from pps.filterd (ppma04wdc.us.ibm.com [127.0.0.1]) by ppma04wdc.us.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 07KGAhCF019297; Thu, 20 Aug 2020 16:11:59 GMT Received: from b01cxnp22036.gho.pok.ibm.com (b01cxnp22036.gho.pok.ibm.com [9.57.198.26]) by ppma04wdc.us.ibm.com with ESMTP id 3304uewek7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 20 Aug 2020 16:11:59 +0000 Received: from b01ledav004.gho.pok.ibm.com (b01ledav004.gho.pok.ibm.com [9.57.199.109]) by b01cxnp22036.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 07KGBxYm15270516 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 20 Aug 2020 16:11:59 GMT Received: from b01ledav004.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EFEBB112062; Thu, 20 Aug 2020 16:11:58 +0000 (GMT) Received: from b01ledav004.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9FE0B112064; Thu, 20 Aug 2020 16:11:57 +0000 (GMT) Received: from SHADE6A.ibmuc.com (unknown [9.163.70.74]) by b01ledav004.gho.pok.ibm.com (Postfix) with ESMTP; Thu, 20 Aug 2020 16:11:57 +0000 (GMT) From: Eddie James <eajames@linux.ibm.com> To: linux-input@vger.kernel.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-aspeed@lists.ozlabs.org, linux-i2c@vger.kernel.org, joel@jms.id.au, andrew@aj.id.au, benh@kernel.crashing.org, brendanhiggins@google.com, dmitry.torokhov@gmail.com, robh+dt@kernel.org, eajames@linux.ibm.com Subject: [PATCH 3/5] i2c: aspeed: Mask IRQ status to relevant bits Date: Thu, 20 Aug 2020 11:11:50 -0500 Message-Id: <20200820161152.22751-4-eajames@linux.ibm.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200820161152.22751-1-eajames@linux.ibm.com> References: <20200820161152.22751-1-eajames@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-08-20_03:2020-08-19,2020-08-20 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=914 mlxscore=0 lowpriorityscore=0 adultscore=0 suspectscore=1 clxscore=1015 priorityscore=1501 phishscore=0 malwarescore=0 spamscore=0 bulkscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2008200130 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: <devicetree.vger.kernel.org> X-Mailing-List: devicetree@vger.kernel.org |
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diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c index 31268074c422..abf40f2af8b4 100644 --- a/drivers/i2c/busses/i2c-aspeed.c +++ b/drivers/i2c/busses/i2c-aspeed.c @@ -604,6 +604,7 @@ static irqreturn_t aspeed_i2c_bus_irq(int irq, void *dev_id) writel(irq_received & ~ASPEED_I2CD_INTR_RX_DONE, bus->base + ASPEED_I2C_INTR_STS_REG); readl(bus->base + ASPEED_I2C_INTR_STS_REG); + irq_received &= 0xf000ffff; irq_remaining = irq_received; #if IS_ENABLED(CONFIG_I2C_SLAVE)
Mask the IRQ status to only the bits that the driver checks. This prevents excessive driver warnings when operating in slave mode when additional bits are set that the driver doesn't handle. Signed-off-by: Eddie James <eajames@linux.ibm.com> --- drivers/i2c/busses/i2c-aspeed.c | 1 + 1 file changed, 1 insertion(+)