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Subject[PATCH 4/9] Revert "mmc: dw_mmc: remove the 'id' arguments about functions relevant to slot"
Date
This reverts commit e4a65ef7687b6aaf36bedb497d3fd1480163d2d5.

The Mellanox BlueField SoC requires multiple slot dw-mmc support.

Signed-off-by: Liming Sun <lsun@mellanox.com>
---
drivers/mmc/host/dw_mmc.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 62c0791..a4356d6 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -2709,7 +2709,7 @@ static irqreturn_t dw_mci_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}

-static int dw_mci_init_slot(struct dw_mci *host)
+static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
{
struct mmc_host *mmc;
struct dw_mci_slot *slot;
@@ -2722,8 +2722,8 @@ static int dw_mci_init_slot(struct dw_mci *host)
return -ENOMEM;

slot = mmc_priv(mmc);
- slot->id = 0;
- slot->sdio_id = host->sdio_id0 + slot->id;
+ slot->id = id;
+ slot->sdio_id = host->sdio_id0 + id;
slot->mmc = mmc;
slot->host = host;
host->slot = slot;
@@ -2822,7 +2822,7 @@ static int dw_mci_init_slot(struct dw_mci *host)
return ret;
}

-static void dw_mci_cleanup_slot(struct dw_mci_slot *slot)
+static void dw_mci_cleanup_slot(struct dw_mci_slot *slot, unsigned int id)
{
/* Debugfs stuff is cleaned up by mmc core */
mmc_remove_host(slot->mmc);
@@ -3245,7 +3245,7 @@ int dw_mci_probe(struct dw_mci *host)
host->irq, width, fifo_size);

/* We need at least one slot to succeed */
- ret = dw_mci_init_slot(host);
+ ret = dw_mci_init_slot(host, 0);
if (ret) {
dev_dbg(host->dev, "slot %d init failed\n", i);
goto err_dmaunmap;
@@ -3275,9 +3275,11 @@ int dw_mci_probe(struct dw_mci *host)

void dw_mci_remove(struct dw_mci *host)
{
- dev_dbg(host->dev, "remove slot\n");
+ int i = 0;
+
+ dev_dbg(host->dev, "remove slot %d\n", i);
if (host->slot)
- dw_mci_cleanup_slot(host->slot);
+ dw_mci_cleanup_slot(host->slot, i);

mci_writel(host, RINTSTS, 0xFFFFFFFF);
mci_writel(host, INTMASK, 0); /* disable all mmc interrupt first */
--
1.8.3.1
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