diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 16 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci.h | 3 |
2 files changed, 9 insertions, 10 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index f9e0b5f2c692..63db84481dff 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -4043,15 +4043,13 @@ int sdhci_setup_host(struct sdhci_host *host) dma_addr_t dma; void *buf; - if (host->flags & SDHCI_USE_64_BIT_DMA) { - host->adma_table_sz = host->adma_table_cnt * - SDHCI_ADMA2_64_DESC_SZ(host); - host->desc_sz = SDHCI_ADMA2_64_DESC_SZ(host); - } else { - host->adma_table_sz = host->adma_table_cnt * - SDHCI_ADMA2_32_DESC_SZ; - host->desc_sz = SDHCI_ADMA2_32_DESC_SZ; - } + if (!(host->flags & SDHCI_USE_64_BIT_DMA)) + host->alloc_desc_sz = SDHCI_ADMA2_32_DESC_SZ; + else if (!host->alloc_desc_sz) + host->alloc_desc_sz = SDHCI_ADMA2_64_DESC_SZ(host); + + host->desc_sz = host->alloc_desc_sz; + host->adma_table_sz = host->adma_table_cnt * host->desc_sz; host->align_buffer_sz = SDHCI_MAX_SEGS * SDHCI_ADMA2_ALIGN; /* diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 1fe230c2ed84..a6a3ddcf97e7 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -558,7 +558,8 @@ struct sdhci_host { dma_addr_t adma_addr; /* Mapped ADMA descr. table */ dma_addr_t align_addr; /* Mapped bounce buffer */ - unsigned int desc_sz; /* ADMA descriptor size */ + unsigned int desc_sz; /* ADMA current descriptor size */ + unsigned int alloc_desc_sz; /* ADMA descr. max size host supports */ struct workqueue_struct *complete_wq; /* Request completion wq */ struct work_struct complete_work; /* Request completion work */ |