Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Received-SPF: Pass (protection.outlook.com: domain of xilinx.com designates
 149.199.62.198 as permitted sender) receiver=protection.outlook.com;
 client-ip=149.199.62.198; helo=xsj-pvapexch01.xlnx.xilinx.com;
Envelope-to: git@xilinx.com,
 linux-i2c@vger.kernel.org,
 linux-arm-kernel@lists.infradead.org,
 linux-kernel@vger.kernel.org,
 marex@denx.de
From:   Raviteja Narayanam <raviteja.narayanam@xilinx.com>
To:     <linux-i2c@vger.kernel.org>, <michal.simek@xilinx.com>
CC:     <linux-arm-kernel@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>, <git@xilinx.com>, <marex@denx.de>,
        Raviteja Narayanam <raviteja.narayanam@xilinx.com>
Subject: [PATCH 08/10] i2c: xiic: Remove interrupt enable/disable in Rx path
Date:   Mon, 31 May 2021 07:19:46 -0600
Message-ID: <20210531131948.19477-9-raviteja.narayanam@xilinx.com>
In-Reply-To: <20210531131948.19477-1-raviteja.narayanam@xilinx.com>
References: <20210531131948.19477-1-raviteja.narayanam@xilinx.com>
MIME-Version: 1.0
Content-Type: text/plain
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 31 May 2021 13:21:22.0588
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: d752382e-51d6-481e-7163-08d92436fbd3
X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c
X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.62.198];Helo=[xsj-pvapexch01.xlnx.xilinx.com]
X-MS-Exchange-CrossTenant-AuthSource: SN1NAM02FT0018.eop-nam02.prod.protection.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN0PR02MB8286
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

As the 'DYNAMIC_MODE_READ_BROKEN_BIT' quirk is added in the driver,
we no longer enter dynamic mode for the effected IP versions.
So, remove local_irq_save/local_irq_restore APIs from driver.

Signed-off-by: Raviteja Narayanam <raviteja.narayanam@xilinx.com>
---
 drivers/i2c/busses/i2c-xiic.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
index 2f0808249ceb..f022a1885b6a 100644
--- a/drivers/i2c/busses/i2c-xiic.c
+++ b/drivers/i2c/busses/i2c-xiic.c
@@ -759,7 +759,6 @@ static void xiic_start_recv(struct xiic_i2c *i2c)
 	u16 rx_watermark;
 	u8 cr = 0, rfd_set = 0;
 	struct i2c_msg *msg = i2c->rx_msg = i2c->tx_msg;
-	unsigned long flags;
 
 	dev_dbg(i2c->adap.dev.parent, "%s entry, ISR: 0x%x, CR: 0x%x\n",
 		__func__, xiic_getreg32(i2c, XIIC_IISR_OFFSET),
@@ -790,7 +789,6 @@ static void xiic_start_recv(struct xiic_i2c *i2c)
 
 		xiic_setreg8(i2c, XIIC_RFD_REG_OFFSET, bytes);
 
-		local_irq_save(flags);
 		if (!(msg->flags & I2C_M_NOSTART))
 			/* write the address */
 			xiic_setreg16(i2c, XIIC_DTR_REG_OFFSET,
@@ -804,7 +802,6 @@ static void xiic_start_recv(struct xiic_i2c *i2c)
 		val |= msg->len;
 
 		xiic_setreg16(i2c, XIIC_DTR_REG_OFFSET, val);
-		local_irq_restore(flags);
 	} else {
 		/*
 		 * If previous message is Tx, make sure that Tx FIFO is empty
-- 
2.17.1