From b8c394b7268d5a8f927b30296ffe9cb4d71b06fc Mon Sep 17 00:00:00 2001 From: Jonas Karlman Date: Tue, 18 Apr 2023 16:46:26 +0000 Subject: [PATCH] mmc: rockchip_sdhci: Fix use of device private data The device private data is misused in rockchip_sdhci_of_to_plat and rockchip_sdhci_execute_tuning. In these functions dev_get_priv is assigned to struct sdhci_host: struct sdhci_host *host = dev_get_priv(dev); Instead, the sdhci host should refer to host in struct rockchip_sdhc: struct rockchip_sdhc *priv = dev_get_priv(dev); struct sdhci_host *host = &priv->host; Because host is the first member in struct rockchip_sdhc this is not a real problem, lets fix it anyway and also use priv name consistently. Signed-off-by: Jonas Karlman Reviewed-by: Kever Yang --- drivers/mmc/rockchip_sdhci.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/drivers/mmc/rockchip_sdhci.c b/drivers/mmc/rockchip_sdhci.c index fef23f5..3fac235 100644 --- a/drivers/mmc/rockchip_sdhci.c +++ b/drivers/mmc/rockchip_sdhci.c @@ -450,7 +450,8 @@ static int rockchip_sdhci_set_ios_post(struct sdhci_host *host) static int rockchip_sdhci_execute_tuning(struct mmc *mmc, u8 opcode) { - struct sdhci_host *host = dev_get_priv(mmc->dev); + struct rockchip_sdhc *priv = dev_get_priv(mmc->dev); + struct sdhci_host *host = &priv->host; char tuning_loop_counter = SDHCI_TUNING_LOOP_COUNT; struct mmc_cmd cmd; u32 ctrl, blk_size; @@ -531,9 +532,9 @@ static int rockchip_sdhci_probe(struct udevice *dev) struct sdhci_data *data = (struct sdhci_data *)dev_get_driver_data(dev); struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev); struct rockchip_sdhc_plat *plat = dev_get_plat(dev); - struct rockchip_sdhc *prv = dev_get_priv(dev); + struct rockchip_sdhc *priv = dev_get_priv(dev); struct mmc_config *cfg = &plat->cfg; - struct sdhci_host *host = &prv->host; + struct sdhci_host *host = &priv->host; struct clk clk; int ret; @@ -547,8 +548,8 @@ static int rockchip_sdhci_probe(struct udevice *dev) printf("%s fail to get clk\n", __func__); } - prv->emmc_clk = clk; - prv->dev = dev; + priv->emmc_clk = clk; + priv->dev = dev; if (data->get_phy) { ret = data->get_phy(dev); @@ -566,7 +567,7 @@ static int rockchip_sdhci_probe(struct udevice *dev) host->quirks = SDHCI_QUIRK_WAIT_SEND_CMD; host->mmc = &plat->mmc; - host->mmc->priv = &prv->host; + host->mmc->priv = &priv->host; host->mmc->dev = dev; upriv->mmc = host->mmc; @@ -580,8 +581,9 @@ static int rockchip_sdhci_probe(struct udevice *dev) static int rockchip_sdhci_of_to_plat(struct udevice *dev) { struct rockchip_sdhc_plat *plat = dev_get_plat(dev); - struct sdhci_host *host = dev_get_priv(dev); + struct rockchip_sdhc *priv = dev_get_priv(dev); struct mmc_config *cfg = &plat->cfg; + struct sdhci_host *host = &priv->host; int ret; host->name = dev->name; -- 2.7.4