| Message ID | 20220214111905.77903-1-angelogioacchino.delregno@collabora.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v2] usb: host: xhci-mtk: Simplify supplies handling with regulator_bulk | expand |
On Mon, 2022-02-14 at 12:19 +0100, AngeloGioacchino Del Regno wrote: > Remove the custom functions xhci_mtk_ldos_{enable,disable}() by > switching to using regulator_bulk to perform the very same thing, > as the regulators are always either both enabled or both disabled. > > Signed-off-by: AngeloGioacchino Del Regno < > angelogioacchino.delregno@collabora.com> > --- > > v2: Change dynamic vregs array to static definition with new > xhci_mtk_vregs_get() > helper as requested by Chunfeng > > drivers/usb/host/xhci-mtk.c | 44 ++++++++++------------------------- > -- > drivers/usb/host/xhci-mtk.h | 5 +++-- > 2 files changed, 14 insertions(+), 35 deletions(-) > > diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci- > mtk.c > index e25bad0894cf..b89b4f159a4d 100644 > --- a/drivers/usb/host/xhci-mtk.c > +++ b/drivers/usb/host/xhci-mtk.c > @@ -401,29 +401,14 @@ static int xhci_mtk_clks_get(struct > xhci_hcd_mtk *mtk) > return devm_clk_bulk_get_optional(mtk->dev, BULK_CLKS_NUM, > clks); > } > > -static int xhci_mtk_ldos_enable(struct xhci_hcd_mtk *mtk) > +static int xhci_mtk_vregs_get(struct xhci_hcd_mtk *mtk) > { > - int ret; > + struct regulator_bulk_data *supplies = mtk->supplies; > > - ret = regulator_enable(mtk->vbus); > - if (ret) { > - dev_err(mtk->dev, "failed to enable vbus\n"); > - return ret; > - } > - > - ret = regulator_enable(mtk->vusb33); > - if (ret) { > - dev_err(mtk->dev, "failed to enable vusb33\n"); > - regulator_disable(mtk->vbus); > - return ret; > - } > - return 0; > -} > + supplies[0].supply = "vbus"; > + supplies[1].supply = "vusb33"; > > -static void xhci_mtk_ldos_disable(struct xhci_hcd_mtk *mtk) > -{ > - regulator_disable(mtk->vbus); > - regulator_disable(mtk->vusb33); > + return devm_regulator_bulk_get(mtk->dev, BULK_VREGS_NUM, > supplies); > } > > static void xhci_mtk_quirks(struct device *dev, struct xhci_hcd > *xhci) > @@ -513,17 +498,10 @@ static int xhci_mtk_probe(struct > platform_device *pdev) > return -ENOMEM; > > mtk->dev = dev; > - mtk->vbus = devm_regulator_get(dev, "vbus"); > - if (IS_ERR(mtk->vbus)) { > - dev_err(dev, "fail to get vbus\n"); > - return PTR_ERR(mtk->vbus); > - } > > - mtk->vusb33 = devm_regulator_get(dev, "vusb33"); > - if (IS_ERR(mtk->vusb33)) { > - dev_err(dev, "fail to get vusb33\n"); > - return PTR_ERR(mtk->vusb33); > - } > + ret = xhci_mtk_vregs_get(mtk); > + if (ret) > + return dev_err_probe(dev, ret, "Failed to get > regulators\n"); > > ret = xhci_mtk_clks_get(mtk); > if (ret) > @@ -564,7 +542,7 @@ static int xhci_mtk_probe(struct platform_device > *pdev) > pm_runtime_enable(dev); > pm_runtime_get_sync(dev); > > - ret = xhci_mtk_ldos_enable(mtk); > + ret = regulator_bulk_enable(BULK_VREGS_NUM, mtk->supplies); > if (ret) > goto disable_pm; > > @@ -673,7 +651,7 @@ static int xhci_mtk_probe(struct platform_device > *pdev) > clk_bulk_disable_unprepare(BULK_CLKS_NUM, mtk->clks); > > disable_ldos: > - xhci_mtk_ldos_disable(mtk); > + regulator_bulk_disable(BULK_VREGS_NUM, mtk->supplies); > > disable_pm: > pm_runtime_put_noidle(dev); > @@ -701,7 +679,7 @@ static int xhci_mtk_remove(struct platform_device > *pdev) > usb_put_hcd(hcd); > xhci_mtk_sch_exit(mtk); > clk_bulk_disable_unprepare(BULK_CLKS_NUM, mtk->clks); > - xhci_mtk_ldos_disable(mtk); > + regulator_bulk_disable(BULK_VREGS_NUM, mtk->supplies); > > pm_runtime_disable(dev); > pm_runtime_put_noidle(dev); > diff --git a/drivers/usb/host/xhci-mtk.h b/drivers/usb/host/xhci- > mtk.h > index 4b1ea89f959a..ffd4b493b4ba 100644 > --- a/drivers/usb/host/xhci-mtk.h > +++ b/drivers/usb/host/xhci-mtk.h > @@ -11,10 +11,12 @@ > > #include <linux/clk.h> > #include <linux/hashtable.h> > +#include <linux/regulator/consumer.h> > > #include "xhci.h" > > #define BULK_CLKS_NUM 5 > +#define BULK_VREGS_NUM 2 > > /* support at most 64 ep, use 32 size hash table */ > #define SCH_EP_HASH_BITS 5 > @@ -150,9 +152,8 @@ struct xhci_hcd_mtk { > int num_u3_ports; > int u2p_dis_msk; > int u3p_dis_msk; > - struct regulator *vusb33; > - struct regulator *vbus; > struct clk_bulk_data clks[BULK_CLKS_NUM]; > + struct regulator_bulk_data supplies[BULK_VREGS_NUM]; > unsigned int has_ippc:1; > unsigned int lpm_support:1; > unsigned int u2_lpm_disable:1; Acked-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Thanks a lot
diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c index e25bad0894cf..b89b4f159a4d 100644 --- a/drivers/usb/host/xhci-mtk.c +++ b/drivers/usb/host/xhci-mtk.c @@ -401,29 +401,14 @@ static int xhci_mtk_clks_get(struct xhci_hcd_mtk *mtk) return devm_clk_bulk_get_optional(mtk->dev, BULK_CLKS_NUM, clks); } -static int xhci_mtk_ldos_enable(struct xhci_hcd_mtk *mtk) +static int xhci_mtk_vregs_get(struct xhci_hcd_mtk *mtk) { - int ret; + struct regulator_bulk_data *supplies = mtk->supplies; - ret = regulator_enable(mtk->vbus); - if (ret) { - dev_err(mtk->dev, "failed to enable vbus\n"); - return ret; - } - - ret = regulator_enable(mtk->vusb33); - if (ret) { - dev_err(mtk->dev, "failed to enable vusb33\n"); - regulator_disable(mtk->vbus); - return ret; - } - return 0; -} + supplies[0].supply = "vbus"; + supplies[1].supply = "vusb33"; -static void xhci_mtk_ldos_disable(struct xhci_hcd_mtk *mtk) -{ - regulator_disable(mtk->vbus); - regulator_disable(mtk->vusb33); + return devm_regulator_bulk_get(mtk->dev, BULK_VREGS_NUM, supplies); } static void xhci_mtk_quirks(struct device *dev, struct xhci_hcd *xhci) @@ -513,17 +498,10 @@ static int xhci_mtk_probe(struct platform_device *pdev) return -ENOMEM; mtk->dev = dev; - mtk->vbus = devm_regulator_get(dev, "vbus"); - if (IS_ERR(mtk->vbus)) { - dev_err(dev, "fail to get vbus\n"); - return PTR_ERR(mtk->vbus); - } - mtk->vusb33 = devm_regulator_get(dev, "vusb33"); - if (IS_ERR(mtk->vusb33)) { - dev_err(dev, "fail to get vusb33\n"); - return PTR_ERR(mtk->vusb33); - } + ret = xhci_mtk_vregs_get(mtk); + if (ret) + return dev_err_probe(dev, ret, "Failed to get regulators\n"); ret = xhci_mtk_clks_get(mtk); if (ret) @@ -564,7 +542,7 @@ static int xhci_mtk_probe(struct platform_device *pdev) pm_runtime_enable(dev); pm_runtime_get_sync(dev); - ret = xhci_mtk_ldos_enable(mtk); + ret = regulator_bulk_enable(BULK_VREGS_NUM, mtk->supplies); if (ret) goto disable_pm; @@ -673,7 +651,7 @@ static int xhci_mtk_probe(struct platform_device *pdev) clk_bulk_disable_unprepare(BULK_CLKS_NUM, mtk->clks); disable_ldos: - xhci_mtk_ldos_disable(mtk); + regulator_bulk_disable(BULK_VREGS_NUM, mtk->supplies); disable_pm: pm_runtime_put_noidle(dev); @@ -701,7 +679,7 @@ static int xhci_mtk_remove(struct platform_device *pdev) usb_put_hcd(hcd); xhci_mtk_sch_exit(mtk); clk_bulk_disable_unprepare(BULK_CLKS_NUM, mtk->clks); - xhci_mtk_ldos_disable(mtk); + regulator_bulk_disable(BULK_VREGS_NUM, mtk->supplies); pm_runtime_disable(dev); pm_runtime_put_noidle(dev); diff --git a/drivers/usb/host/xhci-mtk.h b/drivers/usb/host/xhci-mtk.h index 4b1ea89f959a..ffd4b493b4ba 100644 --- a/drivers/usb/host/xhci-mtk.h +++ b/drivers/usb/host/xhci-mtk.h @@ -11,10 +11,12 @@ #include <linux/clk.h> #include <linux/hashtable.h> +#include <linux/regulator/consumer.h> #include "xhci.h" #define BULK_CLKS_NUM 5 +#define BULK_VREGS_NUM 2 /* support at most 64 ep, use 32 size hash table */ #define SCH_EP_HASH_BITS 5 @@ -150,9 +152,8 @@ struct xhci_hcd_mtk { int num_u3_ports; int u2p_dis_msk; int u3p_dis_msk; - struct regulator *vusb33; - struct regulator *vbus; struct clk_bulk_data clks[BULK_CLKS_NUM]; + struct regulator_bulk_data supplies[BULK_VREGS_NUM]; unsigned int has_ippc:1; unsigned int lpm_support:1; unsigned int u2_lpm_disable:1;
Remove the custom functions xhci_mtk_ldos_{enable,disable}() by switching to using regulator_bulk to perform the very same thing, as the regulators are always either both enabled or both disabled. Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> --- v2: Change dynamic vregs array to static definition with new xhci_mtk_vregs_get() helper as requested by Chunfeng drivers/usb/host/xhci-mtk.c | 44 ++++++++++--------------------------- drivers/usb/host/xhci-mtk.h | 5 +++-- 2 files changed, 14 insertions(+), 35 deletions(-)