[PATCH v13 1/6] soc: mediatek: mutex: add common interface to accommodate multiple modules operationg MUTEX

[Rob Landley]

On 3/15/22 4:10 AM, AngeloGioacchino Del Regno wrote:
> Il 15/03/22 07:10, Moudy Ho ha scritto:
>> In order to allow multiple modules to operate MUTEX hardware through
>> a common interfrace, a flexible index "mtk_mutex_table_index" needs to
>> be added to replace original component ID so that like DDP and MDP
>> can add their own MUTEX table settings independently.
>> 
>> In addition, 4 generic interface "mtk_mutex_set_mod", "mtk_mutex_set_sof",
>> "mtk_mutex_clear_mod" and "mtk_mutex_clear_sof" have been added, which is
>> expected to replace the "mtk_mutex_add_comp" and "mtk_mutex_remove_comp"
>> pair originally dedicated to DDP in the future.
>> 
>> Signed-off-by: Moudy Ho <moudy.ho at mediatek.com>
>> ---
>>   drivers/soc/mediatek/mtk-mutex.c       | 122 +++++++++++++++++++++++++
>>   include/linux/soc/mediatek/mtk-mutex.h |  33 +++++++
>>   2 files changed, 155 insertions(+)
>> 
>> diff --git a/drivers/soc/mediatek/mtk-mutex.c b/drivers/soc/mediatek/mtk-mutex.c
>> index aaf8fc1abb43..778b01ce9e8f 100644
>> --- a/drivers/soc/mediatek/mtk-mutex.c
>> +++ b/drivers/soc/mediatek/mtk-mutex.c
>> @@ -156,6 +156,7 @@ struct mtk_mutex_data {
>>   	const unsigned int *mutex_sof;
>>   	const unsigned int mutex_mod_reg;
>>   	const unsigned int mutex_sof_reg;
>> +	const unsigned long long *mutex_table_mod;
> 
> Can we change this to u64 instead?

Linux is still LP64, correct?

Rob