mmc: sdhci-st: use sdhci_pltfm_init for private allocation
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 sdhci-st
to this allocation.
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
diff --git a/drivers/mmc/host/sdhci-st.c b/drivers/mmc/host/sdhci-st.c
index 969c2b0..320e1c2 100644
--- a/drivers/mmc/host/sdhci-st.c
+++ b/drivers/mmc/host/sdhci-st.c
@@ -251,7 +251,7 @@
{
int ret = 0;
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
- struct st_mmc_platform_data *pdata = pltfm_host->priv;
+ struct st_mmc_platform_data *pdata = sdhci_pltfm_priv(pltfm_host);
if (host->clock > CLK_TO_CHECK_DLL_LOCK) {
st_mmcss_set_dll(pdata->top_ioaddr);
@@ -265,7 +265,7 @@
unsigned int uhs)
{
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
- struct st_mmc_platform_data *pdata = pltfm_host->priv;
+ struct st_mmc_platform_data *pdata = sdhci_pltfm_priv(pltfm_host);
u16 ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2);
int ret = 0;
@@ -357,10 +357,7 @@
int ret = 0;
u16 host_version;
struct resource *res;
-
- pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
- if (!pdata)
- return -ENOMEM;
+ struct reset_control *rstc;
clk = devm_clk_get(&pdev->dev, "mmc");
if (IS_ERR(clk)) {
@@ -368,19 +365,23 @@
return PTR_ERR(clk);
}
- pdata->rstc = devm_reset_control_get(&pdev->dev, NULL);
- if (IS_ERR(pdata->rstc))
- pdata->rstc = NULL;
+ rstc = devm_reset_control_get(&pdev->dev, NULL);
+ if (IS_ERR(rstc))
+ rstc = NULL;
else
- reset_control_deassert(pdata->rstc);
+ reset_control_deassert(rstc);
- host = sdhci_pltfm_init(pdev, &sdhci_st_pdata, 0);
+ host = sdhci_pltfm_init(pdev, &sdhci_st_pdata, sizeof(*pdata));
if (IS_ERR(host)) {
dev_err(&pdev->dev, "Failed sdhci_pltfm_init\n");
ret = PTR_ERR(host);
goto err_pltfm_init;
}
+ pltfm_host = sdhci_priv(host);
+ pdata = sdhci_pltfm_priv(pltfm_host);
+ pdata->rstc = rstc;
+
ret = mmc_of_parse(host->mmc);
if (ret) {
dev_err(&pdev->dev, "Failed mmc_of_parse\n");
@@ -398,8 +399,6 @@
pdata->top_ioaddr = NULL;
}
- pltfm_host = sdhci_priv(host);
- pltfm_host->priv = pdata;
pltfm_host->clk = clk;
/* Configure the Arasan HC inside the flashSS */
@@ -427,8 +426,8 @@
err_of:
sdhci_pltfm_free(pdev);
err_pltfm_init:
- if (pdata->rstc)
- reset_control_assert(pdata->rstc);
+ if (rstc)
+ reset_control_assert(rstc);
return ret;
}
@@ -437,13 +436,14 @@
{
struct sdhci_host *host = platform_get_drvdata(pdev);
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
- struct st_mmc_platform_data *pdata = pltfm_host->priv;
+ struct st_mmc_platform_data *pdata = sdhci_pltfm_priv(pltfm_host);
+ struct reset_control *rstc = pdata->rstc;
int ret;
ret = sdhci_pltfm_unregister(pdev);
- if (pdata->rstc)
- reset_control_assert(pdata->rstc);
+ if (rstc)
+ reset_control_assert(rstc);
return ret;
}
@@ -453,7 +453,7 @@
{
struct sdhci_host *host = dev_get_drvdata(dev);
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
- struct st_mmc_platform_data *pdata = pltfm_host->priv;
+ struct st_mmc_platform_data *pdata = sdhci_pltfm_priv(pltfm_host);
int ret = sdhci_suspend_host(host);
if (ret)
@@ -471,7 +471,7 @@
{
struct sdhci_host *host = dev_get_drvdata(dev);
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
- struct st_mmc_platform_data *pdata = pltfm_host->priv;
+ struct st_mmc_platform_data *pdata = sdhci_pltfm_priv(pltfm_host);
struct device_node *np = dev->of_node;
clk_prepare_enable(pltfm_host->clk);