linux-kernel - [PATCH 5.4 64/80] i2c: brcmstb: fix support for DSL and CM variants

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Message-Id: <20220221084917.684012990@linuxfoundation.org>
Date:   Mon, 21 Feb 2022 09:49:44 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Rafał Miłecki <rafal@...ecki.pl>,
        Florian Fainelli <f.fainelli@...il.com>,
        Wolfram Sang <wsa@...nel.org>
Subject: [PATCH 5.4 64/80] i2c: brcmstb: fix support for DSL and CM variants

From: Rafał Miłecki <rafal@...ecki.pl>

commit 834cea3a252ed4847db076a769ad9efe06afe2d5 upstream.

DSL and CM (Cable Modem) support 8 B max transfer size and have a custom
DT binding for that reason. This driver was checking for a wrong
"compatible" however which resulted in an incorrect setup.

Fixes: e2e5a2c61837 ("i2c: brcmstb: Adding support for CM and DSL SoCs")
Signed-off-by: Rafał Miłecki <rafal@...ecki.pl>
Acked-by: Florian Fainelli <f.fainelli@...il.com>
Signed-off-by: Wolfram Sang <wsa@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/i2c/busses/i2c-brcmstb.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/i2c/busses/i2c-brcmstb.c
+++ b/drivers/i2c/busses/i2c-brcmstb.c
@@ -640,7 +640,7 @@ static int brcmstb_i2c_probe(struct plat
 
 	/* set the data in/out register size for compatible SoCs */
 	if (of_device_is_compatible(dev->device->of_node,
-				    "brcmstb,brcmper-i2c"))
+				    "brcm,brcmper-i2c"))
 		dev->data_regsz = sizeof(u8);
 	else
 		dev->data_regsz = sizeof(u32);