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SubjectRe: [PATCH 1/3] net: mdio-octeon: Modify driver to work on both ThunderX and Octeon
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On Tue, Jul 28, 2015 at 7:07 AM, David Daney <ddaney@caviumnetworks.com> wrote:
> On 07/27/2015 07:14 PM, mohun106@gmail.com wrote:
>>
>> From: Radha Mohan Chintakuntla <rchintakuntla@cavium.com>
>>
>> This patch modifies the mdio-octeon driver to work on both ThunderX and
>> Octeon SoCs from Cavium Inc.
>>
>> Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
>> Signed-off-by: Radha Mohan Chintakuntla <rchintakuntla@cavium.com>
>> Signed-off-by: David Daney <david.daney@cavium.com>
>> ---
>> drivers/net/phy/Kconfig | 9 ++-
>> drivers/net/phy/mdio-octeon.c | 122
>> +++++++++++++++++++++++++++++++++++-----
>> 2 files changed, 111 insertions(+), 20 deletions(-)
>>
>> diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig
>> index cf18940..0d6af19 100644
>> --- a/drivers/net/phy/Kconfig
>> +++ b/drivers/net/phy/Kconfig
>> @@ -145,13 +145,14 @@ config MDIO_GPIO
>> will be called mdio-gpio.
>>
>> config MDIO_OCTEON
>> - tristate "Support for MDIO buses on Octeon SOCs"
>> - depends on CAVIUM_OCTEON_SOC
>> + tristate "Support for MDIO buses on Octeon and ThunderX SOCs"
>> + depends on 64BIT
>> default y
>
>
> If it now depends only on 64BIT, we should probably remove the "default".
> People building for x86 are not interested in this driver.
>

Ok got it.

>
> [...]
>>
>>
>> +#ifdef __BIG_ENDIAN_BITFIELD
>> +#define OCT_MDIO_BITFIELD_FIELD(field, more) \
>> + field; \
>> + more
>> +
>> +#else
>> +#define OCT_MDIO_BITFIELD_FIELD(field, more) \
>> + more \
>> + field;
>> +
>> +#endif
>> +
>> +union cvmx_smix_clk {
>> + uint64_t u64;
>
>
> Perhaps: s/uint64_t/u64/
>
> There are several of these.

Ok will do. If there aren;t any more comments I will re-submit another version.

>
>
>> + struct cvmx_smix_clk_s {
>> + OCT_MDIO_BITFIELD_FIELD(u64 reserved_25_63:39,
>> + OCT_MDIO_BITFIELD_FIELD(u64 mode:1,
>> + OCT_MDIO_BITFIELD_FIELD(u64 reserved_21_23:3,
>> + OCT_MDIO_BITFIELD_FIELD(u64 sample_hi:5,
>> + OCT_MDIO_BITFIELD_FIELD(u64 sample_mode:1,
>> + OCT_MDIO_BITFIELD_FIELD(u64 reserved_14_14:1,
>> + OCT_MDIO_BITFIELD_FIELD(u64 clk_idle:1,
>> + OCT_MDIO_BITFIELD_FIELD(u64 preamble:1,
>> + OCT_MDIO_BITFIELD_FIELD(u64 sample:4,
>> + OCT_MDIO_BITFIELD_FIELD(u64 phase:8,
>> + ;))))))))))
>> + } s;
>> +};
>> +
>
> [...]


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