| Message ID | 1586165281-11888-3-git-send-email-chun-hung.wu@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | mmc: mediatek: add mmc cqhci support | expand |
On Mon, Apr 6, 2020 at 5:28 AM Chun-Hung Wu <chun-hung.wu@mediatek.com> wrote: > > CQE bindings "supports-cqe" and "disable-cqe-dcmd" is parsed > in mmc_of_parse(). Remove vendor code which parses CQE bindings, > and use mmc_host->caps2 to decide support CQE or not. > > Signed-off-by: Chun-Hung Wu <chun-hung.wu@mediatek.com> > --- > drivers/mmc/host/sdhci-brcmstb.c | 11 ++++++----- > drivers/mmc/host/sdhci-msm.c | 3 +-- > drivers/mmc/host/sdhci-of-arasan.c | 3 --- > drivers/mmc/host/sdhci-tegra.c | 2 +- > 4 files changed, 8 insertions(+), 11 deletions(-) > > diff --git a/drivers/mmc/host/sdhci-brcmstb.c b/drivers/mmc/host/sdhci-brcmstb.c > index ad01f64..07c90c6 100644 > --- a/drivers/mmc/host/sdhci-brcmstb.c > +++ b/drivers/mmc/host/sdhci-brcmstb.c > @@ -247,10 +247,6 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev) > return res; > > memset(&brcmstb_pdata, 0, sizeof(brcmstb_pdata)); > - if (device_property_read_bool(&pdev->dev, "supports-cqe")) { > - has_cqe = true; > - match_priv->ops->irq = sdhci_brcmstb_cqhci_irq; The above line that sets the irq was moved to later in the function, but needs to come before sdhci_pltfm_init() Al > - } > brcmstb_pdata.ops = match_priv->ops; > host = sdhci_pltfm_init(pdev, &brcmstb_pdata, > sizeof(struct sdhci_brcmstb_priv)); > @@ -261,7 +257,6 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev) > > pltfm_host = sdhci_priv(host); > priv = sdhci_pltfm_priv(pltfm_host); > - priv->has_cqe = has_cqe; > > /* Map in the non-standard CFG registers */ > iomem = platform_get_resource(pdev, IORESOURCE_MEM, 1); > @@ -276,6 +271,12 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev) > if (res) > goto err; > > + if (host->mmc->caps2 & MMC_CAP2_CQE) { > + has_cqe = true; > + match_priv->ops->irq = sdhci_brcmstb_cqhci_irq; > + } > + priv->has_cqe = has_cqe; > + > /* > * If the chip has enhanced strobe and it's enabled, add > * callback > diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c > index c3a160c..fbb2f57 100644 > --- a/drivers/mmc/host/sdhci-msm.c > +++ b/drivers/mmc/host/sdhci-msm.c > @@ -1880,7 +1880,6 @@ static int sdhci_msm_probe(struct platform_device *pdev) > u8 core_major; > const struct sdhci_msm_offset *msm_offset; > const struct sdhci_msm_variant_info *var_info; > - struct device_node *node = pdev->dev.of_node; > > host = sdhci_pltfm_init(pdev, &sdhci_msm_pdata, sizeof(*msm_host)); > if (IS_ERR(host)) > @@ -2076,7 +2075,7 @@ static int sdhci_msm_probe(struct platform_device *pdev) > pm_runtime_use_autosuspend(&pdev->dev); > > host->mmc_host_ops.execute_tuning = sdhci_msm_execute_tuning; > - if (of_property_read_bool(node, "supports-cqe")) > + if (host->mmc->caps2 & MMC_CAP2_CQE) > ret = sdhci_msm_cqe_add_host(host, pdev); > else > ret = sdhci_add_host(host); > diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c > index e49b44b..359eff6 100644 > --- a/drivers/mmc/host/sdhci-of-arasan.c > +++ b/drivers/mmc/host/sdhci-of-arasan.c > @@ -1281,9 +1281,6 @@ static int sdhci_arasan_probe(struct platform_device *pdev) > sdhci_arasan_voltage_switch; > sdhci_arasan->has_cqe = true; > host->mmc->caps2 |= MMC_CAP2_CQE; > - > - if (!of_property_read_bool(np, "disable-cqe-dcmd")) > - host->mmc->caps2 |= MMC_CAP2_CQE_DCMD; > } > > ret = sdhci_arasan_add_host(sdhci_arasan); > diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c > index 403ac44..d09abdd 100644 > --- a/drivers/mmc/host/sdhci-tegra.c > +++ b/drivers/mmc/host/sdhci-tegra.c > @@ -715,7 +715,7 @@ static void tegra_sdhci_parse_dt(struct sdhci_host *host) > struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); > struct sdhci_tegra *tegra_host = sdhci_pltfm_priv(pltfm_host); > > - if (device_property_read_bool(host->mmc->parent, "supports-cqe")) > + if (host->mmc->caps2 & MMC_CAP2_CQE) > tegra_host->enable_hwcq = true; > else > tegra_host->enable_hwcq = false; > -- > 1.9.1
On Mon, 2020-04-06 at 09:59 -0400, Alan Cooper wrote: > On Mon, Apr 6, 2020 at 5:28 AM Chun-Hung Wu <chun-hung.wu@mediatek.com> wrote: > > > > CQE bindings "supports-cqe" and "disable-cqe-dcmd" is parsed > > in mmc_of_parse(). Remove vendor code which parses CQE bindings, > > and use mmc_host->caps2 to decide support CQE or not. > > > > Signed-off-by: Chun-Hung Wu <chun-hung.wu@mediatek.com> > > --- > > drivers/mmc/host/sdhci-brcmstb.c | 11 ++++++----- > > drivers/mmc/host/sdhci-msm.c | 3 +-- > > drivers/mmc/host/sdhci-of-arasan.c | 3 --- > > drivers/mmc/host/sdhci-tegra.c | 2 +- > > 4 files changed, 8 insertions(+), 11 deletions(-) > > > > diff --git a/drivers/mmc/host/sdhci-brcmstb.c b/drivers/mmc/host/sdhci-brcmstb.c > > index ad01f64..07c90c6 100644 > > --- a/drivers/mmc/host/sdhci-brcmstb.c > > +++ b/drivers/mmc/host/sdhci-brcmstb.c > > @@ -247,10 +247,6 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev) > > return res; > > > > memset(&brcmstb_pdata, 0, sizeof(brcmstb_pdata)); > > - if (device_property_read_bool(&pdev->dev, "supports-cqe")) { > > - has_cqe = true; > > - match_priv->ops->irq = sdhci_brcmstb_cqhci_irq; > > The above line that sets the irq was moved to later in the function, > but needs to come before sdhci_pltfm_init() > > Al After check the code in sdhci_pltfm_init(), I don't see where match_priv->ops->irq being used in code section. Only "host->ops = pdata->ops;" is assigned, may I know why should we put match_priv->ops->irq = sdhci_brcmstb_cqhci_irq; before sdhci_pltfm_init()? By the way, host only added to kernel after sdhci_brcmstb_add_host(), So, I suppose isr assignment is ok before anywhere of it. > > > - } > > brcmstb_pdata.ops = match_priv->ops; > > host = sdhci_pltfm_init(pdev, &brcmstb_pdata, > > sizeof(struct sdhci_brcmstb_priv)); > > @@ -261,7 +257,6 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev) > > > > pltfm_host = sdhci_priv(host); > > priv = sdhci_pltfm_priv(pltfm_host); > > - priv->has_cqe = has_cqe; > > > > /* Map in the non-standard CFG registers */ > > iomem = platform_get_resource(pdev, IORESOURCE_MEM, 1); > > @@ -276,6 +271,12 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev) > > if (res) > > goto err; > > > > + if (host->mmc->caps2 & MMC_CAP2_CQE) { > > + has_cqe = true; > > + match_priv->ops->irq = sdhci_brcmstb_cqhci_irq; > > + } > > + priv->has_cqe = has_cqe; > > + > > /* > > * If the chip has enhanced strobe and it's enabled, add > > * callback > > diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c > > index c3a160c..fbb2f57 100644 > > --- a/drivers/mmc/host/sdhci-msm.c > > +++ b/drivers/mmc/host/sdhci-msm.c > > @@ -1880,7 +1880,6 @@ static int sdhci_msm_probe(struct platform_device *pdev) > > u8 core_major; > > const struct sdhci_msm_offset *msm_offset; > > const struct sdhci_msm_variant_info *var_info; > > - struct device_node *node = pdev->dev.of_node; > > > > host = sdhci_pltfm_init(pdev, &sdhci_msm_pdata, sizeof(*msm_host)); > > if (IS_ERR(host)) > > @@ -2076,7 +2075,7 @@ static int sdhci_msm_probe(struct platform_device *pdev) > > pm_runtime_use_autosuspend(&pdev->dev); > > > > host->mmc_host_ops.execute_tuning = sdhci_msm_execute_tuning; > > - if (of_property_read_bool(node, "supports-cqe")) > > + if (host->mmc->caps2 & MMC_CAP2_CQE) > > ret = sdhci_msm_cqe_add_host(host, pdev); > > else > > ret = sdhci_add_host(host); > > diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c > > index e49b44b..359eff6 100644 > > --- a/drivers/mmc/host/sdhci-of-arasan.c > > +++ b/drivers/mmc/host/sdhci-of-arasan.c > > @@ -1281,9 +1281,6 @@ static int sdhci_arasan_probe(struct platform_device *pdev) > > sdhci_arasan_voltage_switch; > > sdhci_arasan->has_cqe = true; > > host->mmc->caps2 |= MMC_CAP2_CQE; > > - > > - if (!of_property_read_bool(np, "disable-cqe-dcmd")) > > - host->mmc->caps2 |= MMC_CAP2_CQE_DCMD; > > } > > > > ret = sdhci_arasan_add_host(sdhci_arasan); > > diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c > > index 403ac44..d09abdd 100644 > > --- a/drivers/mmc/host/sdhci-tegra.c > > +++ b/drivers/mmc/host/sdhci-tegra.c > > @@ -715,7 +715,7 @@ static void tegra_sdhci_parse_dt(struct sdhci_host *host) > > struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); > > struct sdhci_tegra *tegra_host = sdhci_pltfm_priv(pltfm_host); > > > > - if (device_property_read_bool(host->mmc->parent, "supports-cqe")) > > + if (host->mmc->caps2 & MMC_CAP2_CQE) > > tegra_host->enable_hwcq = true; > > else > > tegra_host->enable_hwcq = false; > > -- > > 1.9.1
On Mon, Apr 13, 2020 at 8:22 PM Chun-Hung Wu <chun-hung.wu@mediatek.com> wrote: > > On Mon, 2020-04-06 at 09:59 -0400, Alan Cooper wrote: > > On Mon, Apr 6, 2020 at 5:28 AM Chun-Hung Wu <chun-hung.wu@mediatek.com> wrote: > > > > > > CQE bindings "supports-cqe" and "disable-cqe-dcmd" is parsed > > > in mmc_of_parse(). Remove vendor code which parses CQE bindings, > > > and use mmc_host->caps2 to decide support CQE or not. > > > > > > Signed-off-by: Chun-Hung Wu <chun-hung.wu@mediatek.com> > > > --- > > > drivers/mmc/host/sdhci-brcmstb.c | 11 ++++++----- > > > drivers/mmc/host/sdhci-msm.c | 3 +-- > > > drivers/mmc/host/sdhci-of-arasan.c | 3 --- > > > drivers/mmc/host/sdhci-tegra.c | 2 +- > > > 4 files changed, 8 insertions(+), 11 deletions(-) > > > > > > diff --git a/drivers/mmc/host/sdhci-brcmstb.c b/drivers/mmc/host/sdhci-brcmstb.c > > > index ad01f64..07c90c6 100644 > > > --- a/drivers/mmc/host/sdhci-brcmstb.c > > > +++ b/drivers/mmc/host/sdhci-brcmstb.c > > > @@ -247,10 +247,6 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev) > > > return res; > > > > > > memset(&brcmstb_pdata, 0, sizeof(brcmstb_pdata)); > > > - if (device_property_read_bool(&pdev->dev, "supports-cqe")) { > > > - has_cqe = true; > > > - match_priv->ops->irq = sdhci_brcmstb_cqhci_irq; > > > > The above line that sets the irq was moved to later in the function, > > but needs to come before sdhci_pltfm_init() > > > > Al > After check the code in sdhci_pltfm_init(), I don't see where > match_priv->ops->irq being used in code section. > Only "host->ops = pdata->ops;" is assigned, may I know why should > we put match_priv->ops->irq = sdhci_brcmstb_cqhci_irq; before > sdhci_pltfm_init()? > By the way, host only added to kernel after sdhci_brcmstb_add_host(), > So, I suppose isr assignment is ok before anywhere of it. I thought I remembered having to move the "set irq" to before sdhci_pltfm_init() when I first added the functionality, but it looks like it isn't necessary I tested your changes and they worked correctly. Acked-by: Al Cooper <alcooperx@gmail.com> > > > > > - } > > > brcmstb_pdata.ops = match_priv->ops; > > > host = sdhci_pltfm_init(pdev, &brcmstb_pdata, > > > sizeof(struct sdhci_brcmstb_priv)); > > > @@ -261,7 +257,6 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev) > > > > > > pltfm_host = sdhci_priv(host); > > > priv = sdhci_pltfm_priv(pltfm_host); > > > - priv->has_cqe = has_cqe; > > > > > > /* Map in the non-standard CFG registers */ > > > iomem = platform_get_resource(pdev, IORESOURCE_MEM, 1); > > > @@ -276,6 +271,12 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev) > > > if (res) > > > goto err; > > > > > > + if (host->mmc->caps2 & MMC_CAP2_CQE) { > > > + has_cqe = true; > > > + match_priv->ops->irq = sdhci_brcmstb_cqhci_irq; > > > + } > > > + priv->has_cqe = has_cqe; > > > + > > > /* > > > * If the chip has enhanced strobe and it's enabled, add > > > * callback > > > diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c > > > index c3a160c..fbb2f57 100644 > > > --- a/drivers/mmc/host/sdhci-msm.c > > > +++ b/drivers/mmc/host/sdhci-msm.c > > > @@ -1880,7 +1880,6 @@ static int sdhci_msm_probe(struct platform_device *pdev) > > > u8 core_major; > > > const struct sdhci_msm_offset *msm_offset; > > > const struct sdhci_msm_variant_info *var_info; > > > - struct device_node *node = pdev->dev.of_node; > > > > > > host = sdhci_pltfm_init(pdev, &sdhci_msm_pdata, sizeof(*msm_host)); > > > if (IS_ERR(host)) > > > @@ -2076,7 +2075,7 @@ static int sdhci_msm_probe(struct platform_device *pdev) > > > pm_runtime_use_autosuspend(&pdev->dev); > > > > > > host->mmc_host_ops.execute_tuning = sdhci_msm_execute_tuning; > > > - if (of_property_read_bool(node, "supports-cqe")) > > > + if (host->mmc->caps2 & MMC_CAP2_CQE) > > > ret = sdhci_msm_cqe_add_host(host, pdev); > > > else > > > ret = sdhci_add_host(host); > > > diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c > > > index e49b44b..359eff6 100644 > > > --- a/drivers/mmc/host/sdhci-of-arasan.c > > > +++ b/drivers/mmc/host/sdhci-of-arasan.c > > > @@ -1281,9 +1281,6 @@ static int sdhci_arasan_probe(struct platform_device *pdev) > > > sdhci_arasan_voltage_switch; > > > sdhci_arasan->has_cqe = true; > > > host->mmc->caps2 |= MMC_CAP2_CQE; > > > - > > > - if (!of_property_read_bool(np, "disable-cqe-dcmd")) > > > - host->mmc->caps2 |= MMC_CAP2_CQE_DCMD; > > > } > > > > > > ret = sdhci_arasan_add_host(sdhci_arasan); > > > diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c > > > index 403ac44..d09abdd 100644 > > > --- a/drivers/mmc/host/sdhci-tegra.c > > > +++ b/drivers/mmc/host/sdhci-tegra.c > > > @@ -715,7 +715,7 @@ static void tegra_sdhci_parse_dt(struct sdhci_host *host) > > > struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); > > > struct sdhci_tegra *tegra_host = sdhci_pltfm_priv(pltfm_host); > > > > > > - if (device_property_read_bool(host->mmc->parent, "supports-cqe")) > > > + if (host->mmc->caps2 & MMC_CAP2_CQE) > > > tegra_host->enable_hwcq = true; > > > else > > > tegra_host->enable_hwcq = false; > > > -- > > > 1.9.1 >
diff --git a/drivers/mmc/host/sdhci-brcmstb.c b/drivers/mmc/host/sdhci-brcmstb.c index ad01f64..07c90c6 100644 --- a/drivers/mmc/host/sdhci-brcmstb.c +++ b/drivers/mmc/host/sdhci-brcmstb.c @@ -247,10 +247,6 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev) return res; memset(&brcmstb_pdata, 0, sizeof(brcmstb_pdata)); - if (device_property_read_bool(&pdev->dev, "supports-cqe")) { - has_cqe = true; - match_priv->ops->irq = sdhci_brcmstb_cqhci_irq; - } brcmstb_pdata.ops = match_priv->ops; host = sdhci_pltfm_init(pdev, &brcmstb_pdata, sizeof(struct sdhci_brcmstb_priv)); @@ -261,7 +257,6 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev) pltfm_host = sdhci_priv(host); priv = sdhci_pltfm_priv(pltfm_host); - priv->has_cqe = has_cqe; /* Map in the non-standard CFG registers */ iomem = platform_get_resource(pdev, IORESOURCE_MEM, 1); @@ -276,6 +271,12 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev) if (res) goto err; + if (host->mmc->caps2 & MMC_CAP2_CQE) { + has_cqe = true; + match_priv->ops->irq = sdhci_brcmstb_cqhci_irq; + } + priv->has_cqe = has_cqe; + /* * If the chip has enhanced strobe and it's enabled, add * callback diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index c3a160c..fbb2f57 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -1880,7 +1880,6 @@ static int sdhci_msm_probe(struct platform_device *pdev) u8 core_major; const struct sdhci_msm_offset *msm_offset; const struct sdhci_msm_variant_info *var_info; - struct device_node *node = pdev->dev.of_node; host = sdhci_pltfm_init(pdev, &sdhci_msm_pdata, sizeof(*msm_host)); if (IS_ERR(host)) @@ -2076,7 +2075,7 @@ static int sdhci_msm_probe(struct platform_device *pdev) pm_runtime_use_autosuspend(&pdev->dev); host->mmc_host_ops.execute_tuning = sdhci_msm_execute_tuning; - if (of_property_read_bool(node, "supports-cqe")) + if (host->mmc->caps2 & MMC_CAP2_CQE) ret = sdhci_msm_cqe_add_host(host, pdev); else ret = sdhci_add_host(host); diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c index e49b44b..359eff6 100644 --- a/drivers/mmc/host/sdhci-of-arasan.c +++ b/drivers/mmc/host/sdhci-of-arasan.c @@ -1281,9 +1281,6 @@ static int sdhci_arasan_probe(struct platform_device *pdev) sdhci_arasan_voltage_switch; sdhci_arasan->has_cqe = true; host->mmc->caps2 |= MMC_CAP2_CQE; - - if (!of_property_read_bool(np, "disable-cqe-dcmd")) - host->mmc->caps2 |= MMC_CAP2_CQE_DCMD; } ret = sdhci_arasan_add_host(sdhci_arasan); diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index 403ac44..d09abdd 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -715,7 +715,7 @@ static void tegra_sdhci_parse_dt(struct sdhci_host *host) struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct sdhci_tegra *tegra_host = sdhci_pltfm_priv(pltfm_host); - if (device_property_read_bool(host->mmc->parent, "supports-cqe")) + if (host->mmc->caps2 & MMC_CAP2_CQE) tegra_host->enable_hwcq = true; else tegra_host->enable_hwcq = false;
CQE bindings "supports-cqe" and "disable-cqe-dcmd" is parsed in mmc_of_parse(). Remove vendor code which parses CQE bindings, and use mmc_host->caps2 to decide support CQE or not. Signed-off-by: Chun-Hung Wu <chun-hung.wu@mediatek.com> --- drivers/mmc/host/sdhci-brcmstb.c | 11 ++++++----- drivers/mmc/host/sdhci-msm.c | 3 +-- drivers/mmc/host/sdhci-of-arasan.c | 3 --- drivers/mmc/host/sdhci-tegra.c | 2 +- 4 files changed, 8 insertions(+), 11 deletions(-)