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

AngeloGioacchino Del Regno angelogioacchino.delregno at collabora.com
Tue Mar 15 02:10:48 PDT 2022


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?

With that done,

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>




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