[PATCH 2/7] mmc: sdhci-dove: kill the driver specific private struct

Kevin Hao
2015-02-06T03:15:40Z

There is only one "clk" member in this driver specific private struct.
Actually we can use the "clk" member in the struct sdhci_pltfm_host,
and then kill this struct completely.

Signed-off-by: Kevin Hao <haokexin@gmail.com>
---
drivers/mmc/host/sdhci-dove.c | 26 +++++---------------------
1 file changed, 5 insertions(+), 21 deletions(-)

diff --git a/drivers/mmc/host/sdhci-dove.c b/drivers/mmc/host/sdhci-dove.c
index 0a7aeb162497..f78440ef1ba4 100644
--- a/drivers/mmc/host/sdhci-dove.c
+++ b/drivers/mmc/host/sdhci-dove.c
@@ -28,10 +28,6 @@

#include "sdhci-pltfm.h"

-struct sdhci_dove_priv {
- struct clk *clk;
-};
-
static u16 sdhci_dove_readw(struct sdhci_host *host, int reg)
{
u16 ret;
@@ -84,27 +80,17 @@ static int sdhci_dove_probe(struct platform_device *pdev)
{
struct sdhci_host *host;
struct sdhci_pltfm_host *pltfm_host;
- struct sdhci_dove_priv *priv;
int ret;

- priv = devm_kzalloc(&pdev->dev, sizeof(struct sdhci_dove_priv),
- GFP_KERNEL);
- if (!priv) {
- dev_err(&pdev->dev, "unable to allocate private data");
- return -ENOMEM;
- }
-
- priv->clk = devm_clk_get(&pdev->dev, NULL);
-
host = sdhci_pltfm_init(pdev, &sdhci_dove_pdata, 0);
if (IS_ERR(host))
return PTR_ERR(host);

pltfm_host = sdhci_priv(host);
- pltfm_host->priv = priv;
+ pltfm_host->clk = devm_clk_get(&pdev->dev, NULL);

- if (!IS_ERR(priv->clk))
- clk_prepare_enable(priv->clk);
+ if (!IS_ERR(pltfm_host->clk))
+ clk_prepare_enable(pltfm_host->clk);

ret = mmc_of_parse(host->mmc);
if (ret)
@@ -117,7 +103,7 @@ static int sdhci_dove_probe(struct platform_device *pdev)
return 0;

err_sdhci_add:
- clk_disable_unprepare(priv->clk);
+ clk_disable_unprepare(pltfm_host->clk);
sdhci_pltfm_free(pdev);
return ret;
}
@@ -126,12 +112,10 @@ static int sdhci_dove_remove(struct platform_device *pdev)
{
struct sdhci_host *host = platform_get_drvdata(pdev);
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
- struct sdhci_dove_priv *priv = pltfm_host->priv;

+ clk_disable_unprepare(pltfm_host->clk);
sdhci_pltfm_unregister(pdev);

- clk_disable_unprepare(priv->clk);
-
return 0;
}

--
1.9.3