diff options
| author | Thomas Zimmermann <[email protected]> | 2024-03-13 08:43:21 +0000 |
|---|---|---|
| committer | Thomas Zimmermann <[email protected]> | 2024-03-13 08:43:21 +0000 |
| commit | a2e7496b453eaa577425858d6f8b854800ed7343 (patch) | |
| tree | 35d05023d51161a28768a29115c8e03e65599fe5 /drivers/mmc/host/mmci_stm32_sdmmc.c | |
| parent | nouveau/dmem: handle kcalloc() allocation failure (diff) | |
| parent | nouveau: lock the client object tree. (diff) | |
| download | kernel-a2e7496b453eaa577425858d6f8b854800ed7343.tar.gz kernel-a2e7496b453eaa577425858d6f8b854800ed7343.zip | |
Merge drm/drm-fixes into drm-misc-fixes
Backmerging to sync before merging the patchset at [1].
[1] https://lore.kernel.org/all/[email protected]/
Signed-off-by: Thomas Zimmermann <[email protected]>
Diffstat (limited to 'drivers/mmc/host/mmci_stm32_sdmmc.c')
| -rw-r--r-- | drivers/mmc/host/mmci_stm32_sdmmc.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/mmc/host/mmci_stm32_sdmmc.c b/drivers/mmc/host/mmci_stm32_sdmmc.c index 35067e1e6cd8..f5da7f9baa52 100644 --- a/drivers/mmc/host/mmci_stm32_sdmmc.c +++ b/drivers/mmc/host/mmci_stm32_sdmmc.c @@ -225,6 +225,8 @@ static int sdmmc_idma_start(struct mmci_host *host, unsigned int *datactrl) struct scatterlist *sg; int i; + host->dma_in_progress = true; + if (!host->variant->dma_lli || data->sg_len == 1 || idma->use_bounce_buffer) { u32 dma_addr; @@ -263,9 +265,30 @@ static int sdmmc_idma_start(struct mmci_host *host, unsigned int *datactrl) return 0; } +static void sdmmc_idma_error(struct mmci_host *host) +{ + struct mmc_data *data = host->data; + struct sdmmc_idma *idma = host->dma_priv; + + if (!dma_inprogress(host)) + return; + + writel_relaxed(0, host->base + MMCI_STM32_IDMACTRLR); + host->dma_in_progress = false; + data->host_cookie = 0; + + if (!idma->use_bounce_buffer) + dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len, + mmc_get_dma_dir(data)); +} + static void sdmmc_idma_finalize(struct mmci_host *host, struct mmc_data *data) { + if (!dma_inprogress(host)) + return; + writel_relaxed(0, host->base + MMCI_STM32_IDMACTRLR); + host->dma_in_progress = false; if (!data->host_cookie) sdmmc_idma_unprep_data(host, data, 0); @@ -676,6 +699,7 @@ static struct mmci_host_ops sdmmc_variant_ops = { .dma_setup = sdmmc_idma_setup, .dma_start = sdmmc_idma_start, .dma_finalize = sdmmc_idma_finalize, + .dma_error = sdmmc_idma_error, .set_clkreg = mmci_sdmmc_set_clkreg, .set_pwrreg = mmci_sdmmc_set_pwrreg, .busy_complete = sdmmc_busy_complete, |