Commit 0e748234293f ("mmc: sdhci: Add size for caller in init+register")
allows users of sdhci_pltfm to allocate private space in calls to
sdhci_pltfm_init+sdhci_pltfm_register. This patch migrates the
sdhci-of-at91 driver to this allocation.
Signed-off-by: Jisheng Zhang <jszhang@xxxxxxxxxxx>
Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
Acked-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxx>
Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
---
drivers/mmc/host/sdhci-of-at91.c | 33 +++++++++++++++------------------
1 file changed, 15 insertions(+), 18 deletions(-)
diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c
index 9cb86fb..35c02fc 100644
--- a/drivers/mmc/host/sdhci-of-at91.c
+++ b/drivers/mmc/host/sdhci-of-at91.c
@@ -58,7 +58,7 @@ static int sdhci_at91_runtime_suspend(struct device *dev)
{
struct sdhci_host *host = dev_get_drvdata(dev);
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
- struct sdhci_at91_priv *priv = pltfm_host->priv;
+ struct sdhci_at91_priv *priv = sdhci_pltfm_priv(pltfm_host);
int ret;
ret = sdhci_runtime_suspend_host(host);
@@ -74,7 +74,7 @@ static int sdhci_at91_runtime_resume(struct device *dev)
{
struct sdhci_host *host = dev_get_drvdata(dev);
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
- struct sdhci_at91_priv *priv = pltfm_host->priv;
+ struct sdhci_at91_priv *priv = sdhci_pltfm_priv(pltfm_host);
int ret;
ret = clk_prepare_enable(priv->mainck);
@@ -124,11 +124,12 @@ static int sdhci_at91_probe(struct platform_device *pdev)
return -EINVAL;
soc_data = match->data;
- priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
- if (!priv) {
- dev_err(&pdev->dev, "unable to allocate private data\n");
- return -ENOMEM;
- }
+ host = sdhci_pltfm_init(pdev, soc_data, sizeof(*priv));
+ if (IS_ERR(host))
+ return PTR_ERR(host);
+
+ pltfm_host = sdhci_priv(host);
+ priv = sdhci_pltfm_priv(pltfm_host);
priv->mainck = devm_clk_get(&pdev->dev, "baseclk");
if (IS_ERR(priv->mainck)) {
@@ -148,10 +149,6 @@ static int sdhci_at91_probe(struct platform_device *pdev)
return PTR_ERR(priv->gck);
}
- host = sdhci_pltfm_init(pdev, soc_data, 0);
- if (IS_ERR(host))
- return PTR_ERR(host);
-
/*
* The mult clock is provided by as a generated clock by the PMC
* controller. In order to set the rate of gck, we have to get the
@@ -191,9 +188,6 @@ static int sdhci_at91_probe(struct platform_device *pdev)
clk_prepare_enable(priv->mainck);
clk_prepare_enable(priv->gck);
- pltfm_host = sdhci_priv(host);
- pltfm_host->priv = priv;
-
ret = mmc_of_parse(host->mmc);
if (ret)
goto clocks_disable_unprepare;
@@ -231,7 +225,10 @@ static int sdhci_at91_remove(struct platform_device *pdev)
{
struct sdhci_host *host = platform_get_drvdata(pdev);
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
- struct sdhci_at91_priv *priv = pltfm_host->priv;
+ struct sdhci_at91_priv *priv = sdhci_pltfm_priv(pltfm_host);
+ struct clk *gck = priv->gck;
+ struct clk *hclock = priv->hclock;
+ struct clk *mainck = priv->mainck;
pm_runtime_get_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
@@ -239,9 +236,9 @@ static int sdhci_at91_remove(struct platform_device *pdev)
sdhci_pltfm_unregister(pdev);
- clk_disable_unprepare(priv->gck);
- clk_disable_unprepare(priv->hclock);
- clk_disable_unprepare(priv->mainck);
+ clk_disable_unprepare(gck);
+ clk_disable_unprepare(hclock);
+ clk_disable_unprepare(mainck);
return 0;
}
--
2.7.0
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