It's right that check immediately whether host->bus_hz is assigned or not.
Signed-off-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx>
---
drivers/mmc/host/dw_mmc.c | 19 ++++++++-----------
1 file changed, 8 insertions(+), 11 deletions(-)
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index c915293..3970fc3 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -2115,7 +2115,6 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
const struct dw_mci_drv_data *drv_data = host->drv_data;
int ctrl_id, ret;
u32 freq[2];
- u8 bus_width;
mmc = mmc_alloc_host(sizeof(struct dw_mci_slot), host->dev);
if (!mmc)
@@ -2428,12 +2427,19 @@ int dw_mci_probe(struct dw_mci *host)
ret = clk_set_rate(host->ciu_clk, host->pdata->bus_hz);
if (ret)
dev_warn(host->dev,
- "Unable to set bus rate to %ul\n",
+ "Unable to set bus rate to %uHz\n",
host->pdata->bus_hz);
}
host->bus_hz = clk_get_rate(host->ciu_clk);
}
+ if (!host->bus_hz) {
+ dev_err(host->dev,
+ "Platform data must supply bus speed\n");
+ ret = -ENODEV;
+ goto err_clk_ciu;
+ }
+
if (drv_data && drv_data->init) {
ret = drv_data->init(host);
if (ret) {
@@ -2470,13 +2476,6 @@ int dw_mci_probe(struct dw_mci *host)
}
}
- if (!host->bus_hz) {
- dev_err(host->dev,
- "Platform data must supply bus speed\n");
- ret = -ENODEV;
- goto err_regulator;
- }
-
host->quirks = host->pdata->quirks;
spin_lock_init(&host->lock);
@@ -2620,8 +2619,6 @@ err_workqueue:
err_dmaunmap:
if (host->use_dma && host->dma_ops->exit)
host->dma_ops->exit(host);
-
-err_regulator:
if (host->vmmc)
regulator_disable(host->vmmc);
--
1.7.9.5
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