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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Vadim Pasternak <vadimp@nvidia.com>,
        Wolfram Sang <wsa@kernel.org>, Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.14 127/151] i2c: mlxcpld: Fix criteria for frequency setting
Date:   Mon, 11 Oct 2021 15:46:39 +0200
Message-Id: <20211011134521.914247484@linuxfoundation.org>
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From: Vadim Pasternak <vadimp@nvidia.com>

[ Upstream commit 52f57396c75acd77ebcdf3d20aed24ed248e9f79 ]

Value for getting frequency capability wrongly has been taken from
register offset instead of register value.

Fixes: 66b0c2846ba8 ("i2c: mlxcpld: Add support for I2C bus frequency setting")
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/i2c/busses/i2c-mlxcpld.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-mlxcpld.c b/drivers/i2c/busses/i2c-mlxcpld.c
index 4e0b7c2882ce..6d41c3db8a2b 100644
--- a/drivers/i2c/busses/i2c-mlxcpld.c
+++ b/drivers/i2c/busses/i2c-mlxcpld.c
@@ -495,7 +495,7 @@ mlxcpld_i2c_set_frequency(struct mlxcpld_i2c_priv *priv,
 		return err;
 
 	/* Set frequency only if it is not 100KHz, which is default. */
-	switch ((data->reg & data->mask) >> data->bit) {
+	switch ((regval & data->mask) >> data->bit) {
 	case MLXCPLD_I2C_FREQ_1000KHZ:
 		freq = MLXCPLD_I2C_FREQ_1000KHZ_SET;
 		break;
-- 
2.33.0