linux-kernel - [PATCH 4.19 10/30] drivers: i2c: thunderx: Allow driver to work with ACPI defined TWSI controllers

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Message-Id: <20220603173815.396728920@linuxfoundation.org>
Date:   Fri,  3 Jun 2022 19:39:38 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Szymon Balcerak <sbalcerak@...vell.com>,
        Piyush Malgujar <pmalgujar@...vell.com>,
        Wolfram Sang <wsa@...nel.org>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 10/30] drivers: i2c: thunderx: Allow driver to work with ACPI defined TWSI controllers

From: Piyush Malgujar <pmalgujar@...vell.com>

[ Upstream commit 03a35bc856ddc09f2cc1f4701adecfbf3b464cb3 ]

Due to i2c->adap.dev.fwnode not being set, ACPI_COMPANION() wasn't properly
found for TWSI controllers.

Signed-off-by: Szymon Balcerak <sbalcerak@...vell.com>
Signed-off-by: Piyush Malgujar <pmalgujar@...vell.com>
Signed-off-by: Wolfram Sang <wsa@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/i2c/busses/i2c-thunderx-pcidrv.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/i2c/busses/i2c-thunderx-pcidrv.c b/drivers/i2c/busses/i2c-thunderx-pcidrv.c
index 19f8eec38717..107aeb8b54da 100644
--- a/drivers/i2c/busses/i2c-thunderx-pcidrv.c
+++ b/drivers/i2c/busses/i2c-thunderx-pcidrv.c
@@ -208,6 +208,7 @@ static int thunder_i2c_probe_pci(struct pci_dev *pdev,
 	i2c->adap.bus_recovery_info = &octeon_i2c_recovery_info;
 	i2c->adap.dev.parent = dev;
 	i2c->adap.dev.of_node = pdev->dev.of_node;
+	i2c->adap.dev.fwnode = dev->fwnode;
 	snprintf(i2c->adap.name, sizeof(i2c->adap.name),
 		 "Cavium ThunderX i2c adapter at %s", dev_name(dev));
 	i2c_set_adapdata(&i2c->adap, i2c);
-- 
2.35.1