Re: [PATCH] mmc: mediatek: use data instead of mrq parameter from msdc_{un}prepare_data()

From: Ulf Hansson
Date: Mon May 24 2021 - 10:11:19 EST


On Mon, 17 May 2021 at 12:09, Yue Hu <zbestahu@xxxxxxxxx> wrote:
>
> From: Yue Hu <huyue2@xxxxxxxxxx>
>
> We already have 'mrq->data' before calling these two functions, no
> need to find it again via 'mrq->data' internally. Also remove local
> data variable accordingly.
>
> Signed-off-by: Yue Hu <huyue2@xxxxxxxxxx>

Applied for next, thanks!

Kind regards
Uffe


> ---
> drivers/mmc/host/mtk-sd.c | 20 ++++++++------------
> 1 file changed, 8 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
> index 898ed1b..c4db944 100644
> --- a/drivers/mmc/host/mtk-sd.c
> +++ b/drivers/mmc/host/mtk-sd.c
> @@ -724,10 +724,8 @@ static inline void msdc_dma_setup(struct msdc_host *host, struct msdc_dma *dma,
> writel(lower_32_bits(dma->gpd_addr), host->base + MSDC_DMA_SA);
> }
>
> -static void msdc_prepare_data(struct msdc_host *host, struct mmc_request *mrq)
> +static void msdc_prepare_data(struct msdc_host *host, struct mmc_data *data)
> {
> - struct mmc_data *data = mrq->data;
> -
> if (!(data->host_cookie & MSDC_PREPARE_FLAG)) {
> data->host_cookie |= MSDC_PREPARE_FLAG;
> data->sg_count = dma_map_sg(host->dev, data->sg, data->sg_len,
> @@ -735,10 +733,8 @@ static void msdc_prepare_data(struct msdc_host *host, struct mmc_request *mrq)
> }
> }
>
> -static void msdc_unprepare_data(struct msdc_host *host, struct mmc_request *mrq)
> +static void msdc_unprepare_data(struct msdc_host *host, struct mmc_data *data)
> {
> - struct mmc_data *data = mrq->data;
> -
> if (data->host_cookie & MSDC_ASYNC_FLAG)
> return;
>
> @@ -1140,7 +1136,7 @@ static void msdc_request_done(struct msdc_host *host, struct mmc_request *mrq)
>
> msdc_track_cmd_data(host, mrq->cmd, mrq->data);
> if (mrq->data)
> - msdc_unprepare_data(host, mrq);
> + msdc_unprepare_data(host, mrq->data);
> if (host->error)
> msdc_reset_hw(host);
> mmc_request_done(mmc_from_priv(host), mrq);
> @@ -1311,7 +1307,7 @@ static void msdc_ops_request(struct mmc_host *mmc, struct mmc_request *mrq)
> host->mrq = mrq;
>
> if (mrq->data)
> - msdc_prepare_data(host, mrq);
> + msdc_prepare_data(host, mrq->data);
>
> /* if SBC is required, we have HW option and SW option.
> * if HW option is enabled, and SBC does not have "special" flags,
> @@ -1332,7 +1328,7 @@ static void msdc_pre_req(struct mmc_host *mmc, struct mmc_request *mrq)
> if (!data)
> return;
>
> - msdc_prepare_data(host, mrq);
> + msdc_prepare_data(host, data);
> data->host_cookie |= MSDC_ASYNC_FLAG;
> }
>
> @@ -1340,14 +1336,14 @@ static void msdc_post_req(struct mmc_host *mmc, struct mmc_request *mrq,
> int err)
> {
> struct msdc_host *host = mmc_priv(mmc);
> - struct mmc_data *data;
> + struct mmc_data *data = mrq->data;
>
> - data = mrq->data;
> if (!data)
> return;
> +
> if (data->host_cookie) {
> data->host_cookie &= ~MSDC_ASYNC_FLAG;
> - msdc_unprepare_data(host, mrq);
> + msdc_unprepare_data(host, data);
> }
> }
>
> --
> 1.9.1
>