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mmc: cqhci: introduce get_trans_desc_offset()

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The same calculation to get transfer descriptor offset is already used
at 3 different locations. Let's create a new helper to simplify code.

Signed-off-by: Yue Hu <huyue2@yulong.com>
Link: https://lore.kernel.org/r/20210521034432.2321-1-zbestahu@gmail.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Yue Hu 2021-05-21 11:44:32 +08:00 committed by Ulf Hansson
parent 47d23c95fe
commit 83c4930256
1 changed files with 12 additions and 7 deletions
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19
drivers/mmc/host/cqhci-core.c
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@ -45,17 +45,23 @@ static inline u8 *get_link_desc(struct cqhci_host *cq_host, u8 tag)
return desc + cq_host->task_desc_len;
}
static inline size_t get_trans_desc_offset(struct cqhci_host *cq_host, u8 tag)
{
return cq_host->trans_desc_len * cq_host->mmc->max_segs * tag;
}
static inline dma_addr_t get_trans_desc_dma(struct cqhci_host *cq_host, u8 tag)
{
return cq_host->trans_desc_dma_base +
(cq_host->mmc->max_segs * tag *
cq_host->trans_desc_len);
size_t offset = get_trans_desc_offset(cq_host, tag);
return cq_host->trans_desc_dma_base + offset;
}
static inline u8 *get_trans_desc(struct cqhci_host *cq_host, u8 tag)
{
return cq_host->trans_desc_base +
(cq_host->trans_desc_len * cq_host->mmc->max_segs * tag);
size_t offset = get_trans_desc_offset(cq_host, tag);
return cq_host->trans_desc_base + offset;
}
static void setup_trans_desc(struct cqhci_host *cq_host, u8 tag)
@ -194,8 +200,7 @@ static int cqhci_host_alloc_tdl(struct cqhci_host *cq_host)
cq_host->desc_size = cq_host->slot_sz * cq_host->num_slots;
cq_host->data_size = cq_host->trans_desc_len * cq_host->mmc->max_segs *
cq_host->mmc->cqe_qdepth;
cq_host->data_size = get_trans_desc_offset(cq_host, cq_host->mmc->cqe_qdepth);
pr_debug("%s: cqhci: desc_size: %zu data_sz: %zu slot-sz: %d\n",
mmc_hostname(cq_host->mmc), cq_host->desc_size, cq_host->data_size,