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authorJaehoon Chung <jh80.chung@samsung.com>2014-03-03 06:36:42 +0400
committerChris Ball <chris@printf.net>2014-05-13 02:04:32 +0400
commit612de4c1b3dc2cbe877d39734247d49ab4ba91bd (patch)
treec3af37a9076602532e4adcf39eec6370cc97b933 /drivers/mmc/host/dw_mmc.c
parentd8a4fb0e60c613d85eda57fd1701177ae2f1c6b5 (diff)
downloadlinux-612de4c1b3dc2cbe877d39734247d49ab4ba91bd.tar.xz
mmc: dw_mmc: replace the bus_hz checking point
It's right to check immediately whether host->bus_hz is assigned or not. Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Chris Ball <chris@printf.net>
Diffstat (limited to 'drivers/mmc/host/dw_mmc.c')
-rw-r--r--drivers/mmc/host/dw_mmc.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 8da598f8d96b..55c34cb702d4 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -2427,12 +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) {
@@ -2469,13 +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);
@@ -2619,8 +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);