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authorAsmaa Mnebhi <asmaa@nvidia.com>2022-09-20 19:47:29 +0200
committerWolfram Sang <wsa@kernel.org>2022-09-21 21:43:19 +0200
commit37f071ec327b04c83d47637c5e5c2199b39899ca (patch)
treee460d9f7939b79dc26b0da93eccff384662d0a32 /fs/squashfs
parenti2c: mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction() (diff)
downloadlinux-37f071ec327b04c83d47637c5e5c2199b39899ca.tar.xz
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i2c: mlxbf: Fix frequency calculation
The i2c-mlxbf.c driver is currently broken because there is a bug in the calculation of the frequency. core_f, core_r and core_od are components read from hardware registers and are used to compute the frequency used to compute different timing parameters. The shifting mechanism used to get core_f, core_r and core_od is wrong. Use FIELD_GET to mask and shift the bitfields properly. Fixes: b5b5b32081cd206b (i2c: mlxbf: I2C SMBus driver for Mellanox BlueField SoC) Reviewed-by: Khalil Blaiech <kblaiech@nvidia.com> Signed-off-by: Asmaa Mnebhi <asmaa@nvidia.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
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