From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: Asmaa Mnebhi <asmaa@nvidia.com>
Cc: linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
Khalil Blaiech <kblaiech@nvidia.com>
Subject: Re: [PATCH v3 1/9] i2c-mlxbf.c: Fix frequency calculation
Date: Sat, 17 Sep 2022 20:07:37 +0200 [thread overview]
Message-ID: <YyYM6RoxDD+k1kVN@shikoro> (raw)
In-Reply-To: <20220908173544.32615-2-asmaa@nvidia.com>
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On Thu, Sep 08, 2022 at 01:35:36PM -0400, Asmaa Mnebhi wrote:
> 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>
Fails to build:
CC drivers/i2c/busses/i2c-mlxbf.o
drivers/i2c/busses/i2c-mlxbf.c:2166:35: error: ‘mlxbf_calculate_freq_from_tyu’ undeclared here (not in a function); did you mean ‘mlxbf_i2c_calculate_freq_from_tyu’?
2166 | .calculate_freq = mlxbf_calculate_freq_from_tyu
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| mlxbf_i2c_calculate_freq_from_tyu
drivers/i2c/busses/i2c-mlxbf.c:2173:35: error: ‘mlxbf_calculate_freq_from_yu’ undeclared here (not in a function); did you mean ‘mlxbf_i2c_calculate_freq_from_yu’?
2173 | .calculate_freq = mlxbf_calculate_freq_from_yu
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
| mlxbf_i2c_calculate_freq_from_yu
drivers/i2c/busses/i2c-mlxbf.c:1433:12: error: ‘mlxbf_i2c_calculate_freq_from_yu’ defined but not used [-Werror=unused-function]
1433 | static u64 mlxbf_i2c_calculate_freq_from_yu(struct mlxbf_i2c_resource *corepll_res)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/i2c/busses/i2c-mlxbf.c:1403:12: error: ‘mlxbf_i2c_calculate_freq_from_tyu’ defined but not used [-Werror=unused-function]
1403 | static u64 mlxbf_i2c_calculate_freq_from_tyu(struct mlxbf_i2c_resource *corepll_res)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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next prev parent reply other threads:[~2022-09-17 18:07 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-08 17:35 [PATCH v3 0/9] i2c-mlxbf.c: bug fixes and new feature support Asmaa Mnebhi
2022-09-08 17:35 ` [PATCH v3 1/9] i2c-mlxbf.c: Fix frequency calculation Asmaa Mnebhi
2022-09-17 18:07 ` Wolfram Sang [this message]
2022-09-08 17:35 ` [PATCH v3 2/9] i2c-mlxbf.c: remove IRQF_ONESHOT Asmaa Mnebhi
2022-09-17 18:21 ` Wolfram Sang
2022-09-08 17:35 ` [PATCH v3 3/9] i2c-mlxbf.c: incorrect base address passed during io write Asmaa Mnebhi
2022-09-17 18:12 ` Wolfram Sang
2022-09-08 17:35 ` [PATCH v3 4/9] i2c-mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction() Asmaa Mnebhi
2022-09-17 18:14 ` Wolfram Sang
2022-09-08 17:35 ` [PATCH v3 5/9] i2c-mlxbf.c: support lock mechanism Asmaa Mnebhi
2022-09-17 18:25 ` Wolfram Sang
2022-09-19 12:50 ` Asmaa Mnebhi
2022-09-08 17:35 ` [PATCH v3 6/9] i2c-mlxbf.c: Update SPDX license Asmaa Mnebhi
2022-09-17 18:30 ` Wolfram Sang
2022-09-19 12:51 ` Asmaa Mnebhi
2022-09-08 17:35 ` [PATCH v3 7/9] i2c-mlxbf: add multi slave functionality Asmaa Mnebhi
2022-09-08 17:35 ` [PATCH v3 8/9] i2c-mlxbf.c: support BlueField-3 SoC Asmaa Mnebhi
2022-09-08 17:35 ` [PATCH v3 9/9] i2c-mlxbf.c: Update binding devicetree Asmaa Mnebhi
2022-09-17 18:34 ` Wolfram Sang
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