diff options
Diffstat (limited to 'drivers/mmc/host/renesas_sdhi_internal_dmac.c')
| -rw-r--r-- | drivers/mmc/host/renesas_sdhi_internal_dmac.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c index ca0b43973769..382172fb3da8 100644 --- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c +++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c @@ -298,6 +298,7 @@ static const struct soc_device_attribute gen3_soc_whitelist[] = { { .soc_id = "r8a7796", .revision = "ES1.0", .data = (void *)BIT(SDHI_INTERNAL_DMAC_ONE_RX_ONLY) }, /* generic ones */ + { .soc_id = "r8a774a1" }, { .soc_id = "r8a7795" }, { .soc_id = "r8a7796" }, { .soc_id = "r8a77965" }, @@ -309,12 +310,20 @@ static const struct soc_device_attribute gen3_soc_whitelist[] = { static int renesas_sdhi_internal_dmac_probe(struct platform_device *pdev) { const struct soc_device_attribute *soc = soc_device_match(gen3_soc_whitelist); + struct device *dev = &pdev->dev; if (!soc) return -ENODEV; global_flags |= (unsigned long)soc->data; + dev->dma_parms = devm_kzalloc(dev, sizeof(*dev->dma_parms), GFP_KERNEL); + if (!dev->dma_parms) + return -ENOMEM; + + /* value is max of SD_SECCNT. Confirmed by HW engineers */ + dma_set_max_seg_size(dev, 0xffffffff); + return renesas_sdhi_probe(pdev, &renesas_sdhi_internal_dmac_dma_ops); } |