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Subject[PATCH v2 3/4] mmc: host: sdhci: Add request_done ops for struct sdhci_ops
Date
Add request_done ops for struct sdhci_ops as a preparation in case some
host controllers have different method to complete one request, such as
supporting request completion of MMC software queue.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
---
drivers/mmc/host/sdhci.c | 12 ++++++++++--
drivers/mmc/host/sdhci.h | 2 ++
2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index a5dc5aa..b2c8695 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2710,7 +2710,10 @@ static bool sdhci_request_done(struct sdhci_host *host)

spin_unlock_irqrestore(&host->lock, flags);

- mmc_request_done(host->mmc, mrq);
+ if (host->ops->request_done)
+ host->ops->request_done(host, mrq);
+ else
+ mmc_request_done(host->mmc, mrq);

return false;
}
@@ -3133,7 +3136,12 @@ static irqreturn_t sdhci_irq(int irq, void *dev_id)

/* Process mrqs ready for immediate completion */
for (i = 0; i < SDHCI_MAX_MRQS; i++) {
- if (mrqs_done[i])
+ if (!mrqs_done[i])
+ continue;
+
+ if (host->ops->request_done)
+ host->ops->request_done(host, mrqs_done[i]);
+ else
mmc_request_done(host->mmc, mrqs_done[i]);
}

diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 902f855..e9a476f 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -643,6 +643,8 @@ struct sdhci_ops {
void (*voltage_switch)(struct sdhci_host *host);
void (*adma_write_desc)(struct sdhci_host *host, void **desc,
dma_addr_t addr, int len, unsigned int cmd);
+ void (*request_done)(struct sdhci_host *host,
+ struct mmc_request *mrq);
};

#ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
--
1.7.9.5
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