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path: root/drivers/mmc/core/pwrseq.c
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Diffstat (limited to 'drivers/mmc/core/pwrseq.c')
-rw-r--r--drivers/mmc/core/pwrseq.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/mmc/core/pwrseq.c b/drivers/mmc/core/pwrseq.c
index 862356123d78..ab2129781161 100644
--- a/drivers/mmc/core/pwrseq.c
+++ b/drivers/mmc/core/pwrseq.c
@@ -19,7 +19,7 @@
struct mmc_pwrseq_match {
const char *compatible;
- int (*alloc)(struct mmc_host *host, struct device *dev);
+ struct mmc_pwrseq *(*alloc)(struct mmc_host *host, struct device *dev);
};
static struct mmc_pwrseq_match pwrseq_match[] = {
@@ -52,6 +52,7 @@ int mmc_pwrseq_alloc(struct mmc_host *host)
struct platform_device *pdev;
struct device_node *np;
struct mmc_pwrseq_match *match;
+ struct mmc_pwrseq *pwrseq;
int ret = 0;
np = of_parse_phandle(host->parent->of_node, "mmc-pwrseq", 0);
@@ -70,9 +71,14 @@ int mmc_pwrseq_alloc(struct mmc_host *host)
goto err;
}
- ret = match->alloc(host, &pdev->dev);
- if (!ret)
- dev_info(host->parent, "allocated mmc-pwrseq\n");
+ pwrseq = match->alloc(host, &pdev->dev);
+ if (IS_ERR(pwrseq)) {
+ ret = PTR_ERR(host->pwrseq);
+ goto err;
+ }
+
+ host->pwrseq = pwrseq;
+ dev_info(host->parent, "allocated mmc-pwrseq\n");
err:
of_node_put(np);
@@ -109,4 +115,6 @@ void mmc_pwrseq_free(struct mmc_host *host)
if (pwrseq && pwrseq->ops && pwrseq->ops->free)
pwrseq->ops->free(host);
+
+ host->pwrseq = NULL;
}