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-tegra
to this allocation.

Signed-off-by: Jisheng Zhang <jszh...@marvell.com>
Acked-by: Arnd Bergmann <a...@arndb.de>
---
 drivers/mmc/host/sdhci-tegra.c | 19 ++++++-------------
 1 file changed, 6 insertions(+), 13 deletions(-)

diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index ad28b49..25d0c08 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -54,7 +54,7 @@ struct sdhci_tegra {
 static u16 tegra_sdhci_readw(struct sdhci_host *host, int reg)
 {
        struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
-       struct sdhci_tegra *tegra_host = pltfm_host->priv;
+       struct sdhci_tegra *tegra_host = sdhci_pltfm_priv(pltfm_host);
        const struct sdhci_tegra_soc_data *soc_data = tegra_host->soc_data;
 
        if (unlikely((soc_data->nvquirks & NVQUIRK_FORCE_SDHCI_SPEC_200) &&
@@ -90,7 +90,7 @@ static void tegra_sdhci_writew(struct sdhci_host *host, u16 
val, int reg)
 static void tegra_sdhci_writel(struct sdhci_host *host, u32 val, int reg)
 {
        struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
-       struct sdhci_tegra *tegra_host = pltfm_host->priv;
+       struct sdhci_tegra *tegra_host = sdhci_pltfm_priv(pltfm_host);
        const struct sdhci_tegra_soc_data *soc_data = tegra_host->soc_data;
 
        /* Seems like we're getting spurious timeout and crc errors, so
@@ -122,7 +122,7 @@ static unsigned int tegra_sdhci_get_ro(struct sdhci_host 
*host)
 static void tegra_sdhci_reset(struct sdhci_host *host, u8 mask)
 {
        struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
-       struct sdhci_tegra *tegra_host = pltfm_host->priv;
+       struct sdhci_tegra *tegra_host = sdhci_pltfm_priv(pltfm_host);
        const struct sdhci_tegra_soc_data *soc_data = tegra_host->soc_data;
        u32 misc_ctrl;
 
@@ -260,19 +260,13 @@ static int sdhci_tegra_probe(struct platform_device *pdev)
                return -EINVAL;
        soc_data = match->data;
 
-       host = sdhci_pltfm_init(pdev, soc_data->pdata, 0);
+       host = sdhci_pltfm_init(pdev, soc_data->pdata,
+                               sizeof(*tegra_host));
        if (IS_ERR(host))
                return PTR_ERR(host);
        pltfm_host = sdhci_priv(host);
-
-       tegra_host = devm_kzalloc(&pdev->dev, sizeof(*tegra_host), GFP_KERNEL);
-       if (!tegra_host) {
-               dev_err(mmc_dev(host->mmc), "failed to allocate tegra_host\n");
-               rc = -ENOMEM;
-               goto err_alloc_tegra_host;
-       }
+       tegra_host = sdhci_pltfm_priv(pltfm_host);
        tegra_host->soc_data = soc_data;
-       pltfm_host->priv = tegra_host;
 
        rc = mmc_of_parse(host->mmc);
        if (rc)
@@ -305,7 +299,6 @@ err_add_host:
 err_clk_get:
 err_power_req:
 err_parse_dt:
-err_alloc_tegra_host:
        sdhci_pltfm_free(pdev);
        return rc;
 }
-- 
2.7.0.rc3

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