From 92d0f925e6344a24b12a6eeb4f1030ec0e70e8d1 Mon Sep 17 00:00:00 2001 From: Simon Horman Date: Wed, 21 Jun 2017 16:00:28 +0200 Subject: [PATCH] mmc: tmio, renesas-sdhi: add dataend to DMA ops Add dataend to DMA ops to allow DMAC implementation dependent handling of DMA data end. Also implement the operation for SDHI. Signed-off-by: Simon Horman Reviewed-by: Wolfram Sang Signed-off-by: Ulf Hansson --- drivers/mmc/host/renesas_sdhi_sys_dmac.c | 6 ++++++ drivers/mmc/host/tmio_mmc.h | 1 + drivers/mmc/host/tmio_mmc_core.c | 10 ++++++++-- 3 files changed, 15 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/renesas_sdhi_sys_dmac.c b/drivers/mmc/host/renesas_sdhi_sys_dmac.c index 642a0dc..a125378 100644 --- a/drivers/mmc/host/renesas_sdhi_sys_dmac.c +++ b/drivers/mmc/host/renesas_sdhi_sys_dmac.c @@ -126,6 +126,11 @@ static void renesas_sdhi_sys_dmac_abort_dma(struct tmio_mmc_host *host) renesas_sdhi_sys_dmac_enable_dma(host, true); } +static void renesas_sdhi_sys_dmac_dataend_dma(struct tmio_mmc_host *host) +{ + complete(&host->dma_dataend); +} + static void renesas_sdhi_sys_dmac_dma_callback(void *arg) { struct tmio_mmc_host *host = arg; @@ -451,6 +456,7 @@ static const struct tmio_mmc_dma_ops renesas_sdhi_sys_dmac_dma_ops = { .request = renesas_sdhi_sys_dmac_request_dma, .release = renesas_sdhi_sys_dmac_release_dma, .abort = renesas_sdhi_sys_dmac_abort_dma, + .dataend = renesas_sdhi_sys_dmac_dataend_dma, }; static int renesas_sdhi_sys_dmac_probe(struct platform_device *pdev) diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h index 6ad6704..f2d747b 100644 --- a/drivers/mmc/host/tmio_mmc.h +++ b/drivers/mmc/host/tmio_mmc.h @@ -122,6 +122,7 @@ struct tmio_mmc_dma_ops { struct tmio_mmc_data *pdata); void (*release)(struct tmio_mmc_host *host); void (*abort)(struct tmio_mmc_host *host); + void (*dataend)(struct tmio_mmc_host *host); }; struct tmio_mmc_host { diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c index 56478fd..db77973 100644 --- a/drivers/mmc/host/tmio_mmc_core.c +++ b/drivers/mmc/host/tmio_mmc_core.c @@ -87,6 +87,12 @@ static inline void tmio_mmc_abort_dma(struct tmio_mmc_host *host) host->dma_ops->abort(host); } +static inline void tmio_mmc_dataend_dma(struct tmio_mmc_host *host) +{ + if (host->dma_ops) + host->dma_ops->dataend(host); +} + void tmio_mmc_enable_mmc_irqs(struct tmio_mmc_host *host, u32 i) { host->sdcard_irq_mask &= ~(i & TMIO_MASK_IRQ); @@ -605,11 +611,11 @@ static void tmio_mmc_data_irq(struct tmio_mmc_host *host, unsigned int stat) if (done) { tmio_mmc_disable_mmc_irqs(host, TMIO_STAT_DATAEND); - complete(&host->dma_dataend); + tmio_mmc_dataend_dma(host); } } else if (host->chan_rx && (data->flags & MMC_DATA_READ) && !host->force_pio) { tmio_mmc_disable_mmc_irqs(host, TMIO_STAT_DATAEND); - complete(&host->dma_dataend); + tmio_mmc_dataend_dma(host); } else { tmio_mmc_do_data_irq(host); tmio_mmc_disable_mmc_irqs(host, TMIO_MASK_READOP | TMIO_MASK_WRITEOP); -- 2.7.4