| Message ID | 20230306040739.51488-13-blarson@amd.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Support AMD Pensando Elba SoC | expand |
On 6/03/23 06:07, Brad Larson wrote: > Move struct sdhci_pltfm_data under new struct sdhci_cdns_drv_data. > Add an init() into sdhci_cdns_drv_data for platform specific device > initialization in the device probe which is not used for existing devices. > > Signed-off-by: Brad Larson <blarson@amd.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> > --- > > v10 changes: > - New patch to provide for platform specific init() with no change > to existing designs. > > --- > drivers/mmc/host/sdhci-cadence.c | 32 +++++++++++++++++++++++--------- > 1 file changed, 23 insertions(+), 9 deletions(-) > > diff --git a/drivers/mmc/host/sdhci-cadence.c b/drivers/mmc/host/sdhci-cadence.c > index 708d4297f241..c528a25f48b8 100644 > --- a/drivers/mmc/host/sdhci-cadence.c > +++ b/drivers/mmc/host/sdhci-cadence.c > @@ -77,6 +77,11 @@ struct sdhci_cdns_phy_cfg { > u8 addr; > }; > > +struct sdhci_cdns_drv_data { > + int (*init)(struct platform_device *pdev); > + const struct sdhci_pltfm_data pltfm_data; > +}; > + > static const struct sdhci_cdns_phy_cfg sdhci_cdns_phy_cfgs[] = { > { "cdns,phy-input-delay-sd-highspeed", SDHCI_CDNS_PHY_DLY_SD_HS, }, > { "cdns,phy-input-delay-legacy", SDHCI_CDNS_PHY_DLY_SD_DEFAULT, }, > @@ -325,13 +330,17 @@ static const struct sdhci_ops sdhci_cdns_ops = { > .set_uhs_signaling = sdhci_cdns_set_uhs_signaling, > }; > > -static const struct sdhci_pltfm_data sdhci_cdns_uniphier_pltfm_data = { > - .ops = &sdhci_cdns_ops, > - .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN, > +static const struct sdhci_cdns_drv_data sdhci_cdns_uniphier_drv_data = { > + .pltfm_data = { > + .ops = &sdhci_cdns_ops, > + .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN, > + }, > }; > > -static const struct sdhci_pltfm_data sdhci_cdns_pltfm_data = { > - .ops = &sdhci_cdns_ops, > +static const struct sdhci_cdns_drv_data sdhci_cdns_drv_data = { > + .pltfm_data = { > + .ops = &sdhci_cdns_ops, > + }, > }; > > static void sdhci_cdns_hs400_enhanced_strobe(struct mmc_host *mmc, > @@ -357,7 +366,7 @@ static void sdhci_cdns_hs400_enhanced_strobe(struct mmc_host *mmc, > static int sdhci_cdns_probe(struct platform_device *pdev) > { > struct sdhci_host *host; > - const struct sdhci_pltfm_data *data; > + const struct sdhci_cdns_drv_data *data; > struct sdhci_pltfm_host *pltfm_host; > struct sdhci_cdns_priv *priv; > struct clk *clk; > @@ -376,10 +385,10 @@ static int sdhci_cdns_probe(struct platform_device *pdev) > > data = of_device_get_match_data(dev); > if (!data) > - data = &sdhci_cdns_pltfm_data; > + data = &sdhci_cdns_drv_data; > > nr_phy_params = sdhci_cdns_phy_param_count(dev->of_node); > - host = sdhci_pltfm_init(pdev, data, > + host = sdhci_pltfm_init(pdev, &data->pltfm_data, > struct_size(priv, phy_params, nr_phy_params)); > if (IS_ERR(host)) { > ret = PTR_ERR(host); > @@ -397,6 +406,11 @@ static int sdhci_cdns_probe(struct platform_device *pdev) > host->ioaddr += SDHCI_CDNS_SRS_BASE; > host->mmc_host_ops.hs400_enhanced_strobe = > sdhci_cdns_hs400_enhanced_strobe; > + if (data->init) { > + ret = data->init(pdev); > + if (ret) > + goto free; > + } > sdhci_enable_v4_mode(host); > __sdhci_read_caps(host, &version, NULL, NULL); > > @@ -461,7 +475,7 @@ static const struct dev_pm_ops sdhci_cdns_pm_ops = { > static const struct of_device_id sdhci_cdns_match[] = { > { > .compatible = "socionext,uniphier-sd4hc", > - .data = &sdhci_cdns_uniphier_pltfm_data, > + .data = &sdhci_cdns_uniphier_drv_data, > }, > { .compatible = "cdns,sd4hc" }, > { /* sentinel */ }
diff --git a/drivers/mmc/host/sdhci-cadence.c b/drivers/mmc/host/sdhci-cadence.c index 708d4297f241..c528a25f48b8 100644 --- a/drivers/mmc/host/sdhci-cadence.c +++ b/drivers/mmc/host/sdhci-cadence.c @@ -77,6 +77,11 @@ struct sdhci_cdns_phy_cfg { u8 addr; }; +struct sdhci_cdns_drv_data { + int (*init)(struct platform_device *pdev); + const struct sdhci_pltfm_data pltfm_data; +}; + static const struct sdhci_cdns_phy_cfg sdhci_cdns_phy_cfgs[] = { { "cdns,phy-input-delay-sd-highspeed", SDHCI_CDNS_PHY_DLY_SD_HS, }, { "cdns,phy-input-delay-legacy", SDHCI_CDNS_PHY_DLY_SD_DEFAULT, }, @@ -325,13 +330,17 @@ static const struct sdhci_ops sdhci_cdns_ops = { .set_uhs_signaling = sdhci_cdns_set_uhs_signaling, }; -static const struct sdhci_pltfm_data sdhci_cdns_uniphier_pltfm_data = { - .ops = &sdhci_cdns_ops, - .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN, +static const struct sdhci_cdns_drv_data sdhci_cdns_uniphier_drv_data = { + .pltfm_data = { + .ops = &sdhci_cdns_ops, + .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN, + }, }; -static const struct sdhci_pltfm_data sdhci_cdns_pltfm_data = { - .ops = &sdhci_cdns_ops, +static const struct sdhci_cdns_drv_data sdhci_cdns_drv_data = { + .pltfm_data = { + .ops = &sdhci_cdns_ops, + }, }; static void sdhci_cdns_hs400_enhanced_strobe(struct mmc_host *mmc, @@ -357,7 +366,7 @@ static void sdhci_cdns_hs400_enhanced_strobe(struct mmc_host *mmc, static int sdhci_cdns_probe(struct platform_device *pdev) { struct sdhci_host *host; - const struct sdhci_pltfm_data *data; + const struct sdhci_cdns_drv_data *data; struct sdhci_pltfm_host *pltfm_host; struct sdhci_cdns_priv *priv; struct clk *clk; @@ -376,10 +385,10 @@ static int sdhci_cdns_probe(struct platform_device *pdev) data = of_device_get_match_data(dev); if (!data) - data = &sdhci_cdns_pltfm_data; + data = &sdhci_cdns_drv_data; nr_phy_params = sdhci_cdns_phy_param_count(dev->of_node); - host = sdhci_pltfm_init(pdev, data, + host = sdhci_pltfm_init(pdev, &data->pltfm_data, struct_size(priv, phy_params, nr_phy_params)); if (IS_ERR(host)) { ret = PTR_ERR(host); @@ -397,6 +406,11 @@ static int sdhci_cdns_probe(struct platform_device *pdev) host->ioaddr += SDHCI_CDNS_SRS_BASE; host->mmc_host_ops.hs400_enhanced_strobe = sdhci_cdns_hs400_enhanced_strobe; + if (data->init) { + ret = data->init(pdev); + if (ret) + goto free; + } sdhci_enable_v4_mode(host); __sdhci_read_caps(host, &version, NULL, NULL); @@ -461,7 +475,7 @@ static const struct dev_pm_ops sdhci_cdns_pm_ops = { static const struct of_device_id sdhci_cdns_match[] = { { .compatible = "socionext,uniphier-sd4hc", - .data = &sdhci_cdns_uniphier_pltfm_data, + .data = &sdhci_cdns_uniphier_drv_data, }, { .compatible = "cdns,sd4hc" }, { /* sentinel */ }
Move struct sdhci_pltfm_data under new struct sdhci_cdns_drv_data. Add an init() into sdhci_cdns_drv_data for platform specific device initialization in the device probe which is not used for existing devices. Signed-off-by: Brad Larson <blarson@amd.com> --- v10 changes: - New patch to provide for platform specific init() with no change to existing designs. --- drivers/mmc/host/sdhci-cadence.c | 32 +++++++++++++++++++++++--------- 1 file changed, 23 insertions(+), 9 deletions(-)