Commit d30a8f7b authored by Jaehoon Chung's avatar Jaehoon Chung Committed by Ulf Hansson

mmc: dw_mmc: deprecated the "num-slots" property

dwmmc controller is supporting only one slot per a IP.
Even though DWMMC IP is provided the multiple slot, but there is no
usage in real world.
In mmc subsystem, not allow the multiple slot concept.
Then "num-slots" property is deprecated.
Signed-off-by: default avatarJaehoon Chung <jh80.chung@samsung.comi>
Reviewed-by: default avatarShawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 1a12a70f
......@@ -2973,7 +2973,8 @@ static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host)
}
/* find out number of slots supported */
device_property_read_u32(dev, "num-slots", &pdata->num_slots);
if (device_property_read_u32(dev, "num-slots", &pdata->num_slots))
dev_info(dev, "'num-slots' was deprecated.\n");
if (device_property_read_u32(dev, "fifo-depth", &pdata->fifo_depth))
dev_info(dev,
......@@ -3203,19 +3204,13 @@ int dw_mci_probe(struct dw_mci *host)
if (ret)
goto err_dmaunmap;
if (host->pdata->num_slots)
host->num_slots = host->pdata->num_slots;
else
/*
* Even though dwmmc IP is provided the multiple slots,
* there is no use case in mmc subsystem.
* dwmmc host controller needs to initialize the one slot per an IP.
*/
host->num_slots = 1;
if (host->num_slots < 1 ||
host->num_slots > SDMMC_GET_SLOT_NUM(mci_readl(host, HCON))) {
dev_err(host->dev,
"Platform data must supply correct num_slots.\n");
ret = -ENODEV;
goto err_clk_ciu;
}
/*
* Enable interrupts for command done, data over, data empty,
* receive ready and error such as transmit, receive timeout, crc error
......
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