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Message-Id: <63b66e64c22b5ef73df2d0aa2f5a992d562898d8.1721377374.git.unicorn_wang@outlook.com>
Date: Fri, 19 Jul 2024 16:46:35 +0800
From: Chen Wang <unicornxw@...il.com>
To: adrian.hunter@...el.com,
aou@...s.berkeley.edu,
conor+dt@...nel.org,
guoren@...nel.org,
inochiama@...look.com,
jszhang@...nel.org,
krzysztof.kozlowski+dt@...aro.org,
palmer@...belt.com,
paul.walmsley@...ive.com,
robh@...nel.org,
ulf.hansson@...aro.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
linux-mmc@...r.kernel.org,
linux-riscv@...ts.infradead.org,
chao.wei@...hgo.com,
haijiao.liu@...hgo.com,
xiaoguang.xing@...hgo.com,
tingzhu.wang@...hgo.com
Cc: Chen Wang <unicorn_wang@...look.com>
Subject: [PATCH v5 5/8] mmc: sdhci-of-dwcmshc: add dwcmshc_pltfm_data
From: Chen Wang <unicorn_wang@...look.com>
Abstract dwcmshc_pltfm_data to hold the sdhci_pltfm_data
plus some comoon operations of soc such as init/postinit.
Signed-off-by: Chen Wang <unicorn_wang@...look.com>
---
drivers/mmc/host/sdhci-of-dwcmshc.c | 83 +++++++++++++++++------------
1 file changed, 50 insertions(+), 33 deletions(-)
diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c
index 30e4cea8a058..972d03ec60e3 100644
--- a/drivers/mmc/host/sdhci-of-dwcmshc.c
+++ b/drivers/mmc/host/sdhci-of-dwcmshc.c
@@ -205,6 +205,8 @@ struct rk35xx_priv {
#define DWCMSHC_MAX_OTHER_CLKS 3
+struct dwcmshc_pltfm_data;
+
struct dwcmshc_priv {
struct clk *bus_clk;
int vendor_specific_area1; /* P_VENDOR_SPECIFIC_AREA1 reg */
@@ -218,6 +220,12 @@ struct dwcmshc_priv {
u16 flags;
};
+struct dwcmshc_pltfm_data {
+ const struct sdhci_pltfm_data pdata;
+ int (*init)(struct device *dev, struct sdhci_host *host, struct dwcmshc_priv *dwc_priv);
+ void (*postinit)(struct sdhci_host *host, struct dwcmshc_priv *dwc_priv);
+};
+
static int dwcmshc_get_enable_other_clks(struct device *dev,
struct dwcmshc_priv *priv,
int num_clks,
@@ -1048,39 +1056,52 @@ static const struct sdhci_ops sdhci_dwcmshc_cv18xx_ops = {
.platform_execute_tuning = cv18xx_sdhci_execute_tuning,
};
-static const struct sdhci_pltfm_data sdhci_dwcmshc_pdata = {
- .ops = &sdhci_dwcmshc_ops,
- .quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN,
- .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
+static const struct dwcmshc_pltfm_data sdhci_dwcmshc_pdata = {
+ .pdata = {
+ .ops = &sdhci_dwcmshc_ops,
+ .quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN,
+ .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
+ },
};
#ifdef CONFIG_ACPI
-static const struct sdhci_pltfm_data sdhci_dwcmshc_bf3_pdata = {
- .ops = &sdhci_dwcmshc_ops,
- .quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN,
- .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
- SDHCI_QUIRK2_ACMD23_BROKEN,
+static const struct dwcmshc_pltfm_data sdhci_dwcmshc_bf3_pdata = {
+ .pdata = {
+ .ops = &sdhci_dwcmshc_ops,
+ .quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN,
+ .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
+ SDHCI_QUIRK2_ACMD23_BROKEN,
+ },
};
#endif
-static const struct sdhci_pltfm_data sdhci_dwcmshc_rk35xx_pdata = {
- .ops = &sdhci_dwcmshc_rk35xx_ops,
- .quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN |
- SDHCI_QUIRK_BROKEN_TIMEOUT_VAL,
- .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
- SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN,
+static const struct dwcmshc_pltfm_data sdhci_dwcmshc_rk35xx_pdata = {
+ .pdata = {
+ .ops = &sdhci_dwcmshc_rk35xx_ops,
+ .quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN |
+ SDHCI_QUIRK_BROKEN_TIMEOUT_VAL,
+ .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
+ SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN,
+ },
+ .init = dwcmshc_rk35xx_init,
+ .postinit = dwcmshc_rk35xx_postinit,
};
-static const struct sdhci_pltfm_data sdhci_dwcmshc_th1520_pdata = {
- .ops = &sdhci_dwcmshc_th1520_ops,
- .quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN,
- .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
+static const struct dwcmshc_pltfm_data sdhci_dwcmshc_th1520_pdata = {
+ .pdata = {
+ .ops = &sdhci_dwcmshc_th1520_ops,
+ .quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN,
+ .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
+ },
+ .init = th1520_init,
};
-static const struct sdhci_pltfm_data sdhci_dwcmshc_cv18xx_pdata = {
- .ops = &sdhci_dwcmshc_cv18xx_ops,
- .quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN,
- .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
+static const struct dwcmshc_pltfm_data sdhci_dwcmshc_cv18xx_pdata = {
+ .pdata = {
+ .ops = &sdhci_dwcmshc_cv18xx_ops,
+ .quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN,
+ .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
+ },
};
static const struct cqhci_host_ops dwcmshc_cqhci_ops = {
@@ -1196,7 +1217,7 @@ static int dwcmshc_probe(struct platform_device *pdev)
struct sdhci_pltfm_host *pltfm_host;
struct sdhci_host *host;
struct dwcmshc_priv *priv;
- const struct sdhci_pltfm_data *pltfm_data;
+ const struct dwcmshc_pltfm_data *pltfm_data;
int err;
u32 extra, caps;
@@ -1206,7 +1227,7 @@ static int dwcmshc_probe(struct platform_device *pdev)
return -ENODEV;
}
- host = sdhci_pltfm_init(pdev, pltfm_data,
+ host = sdhci_pltfm_init(pdev, &pltfm_data->pdata,
sizeof(struct dwcmshc_priv));
if (IS_ERR(host))
return PTR_ERR(host);
@@ -1251,16 +1272,12 @@ static int dwcmshc_probe(struct platform_device *pdev)
host->mmc_host_ops.hs400_enhanced_strobe = dwcmshc_hs400_enhanced_strobe;
host->mmc_host_ops.execute_tuning = dwcmshc_execute_tuning;
- if (pltfm_data == &sdhci_dwcmshc_rk35xx_pdata) {
- err = dwcmshc_rk35xx_init(dev, host, priv);
+ if (pltfm_data->init) {
+ err = pltfm_data->init(&pdev->dev, host, priv);
if (err)
goto err_clk;
}
- if (pltfm_data == &sdhci_dwcmshc_th1520_pdata) {
- th1520_init(dev, host, priv);
- }
-
#ifdef CONFIG_ACPI
if (pltfm_data == &sdhci_dwcmshc_bf3_pdata)
sdhci_enable_v4_mode(host);
@@ -1288,8 +1305,8 @@ static int dwcmshc_probe(struct platform_device *pdev)
dwcmshc_cqhci_init(host, pdev);
}
- if (priv->priv)
- dwcmshc_rk35xx_postinit(host, priv);
+ if (pltfm_data->postinit)
+ pltfm_data->postinit(host, priv);
err = __sdhci_add_host(host);
if (err)
--
2.34.1
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