diff mbox

[U-Boot,21/25] dm: usb: Convert echi-pci to use new DM PCI API

Message ID 1447732444-30892-22-git-send-email-sjg@chromium.org
State Superseded
Delegated to: Simon Glass
Headers show

Commit Message

Simon Glass Nov. 17, 2015, 3:53 a.m. UTC
Convert this driver to use the new driver model PCI API.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

 drivers/usb/host/ehci-pci.c | 43 +++++++++++++++++++++++++++++++++++--------
 1 file changed, 35 insertions(+), 8 deletions(-)

Comments

Marek Vasut Nov. 17, 2015, 8:03 a.m. UTC | #1
On Tuesday, November 17, 2015 at 04:53:59 AM, Simon Glass wrote:
> Convert this driver to use the new driver model PCI API.

Nit, in the subject, it should be ehci, not echi ;-)

> Signed-off-by: Simon Glass <sjg@chromium.org>
> ---
> 
>  drivers/usb/host/ehci-pci.c | 43
> +++++++++++++++++++++++++++++++++++-------- 1 file changed, 35
> insertions(+), 8 deletions(-)

[...]

> @@ -38,12 +40,12 @@ static void ehci_pci_common_init(pci_dev_t pdev, struct
> ehci_hccr **ret_hccr, *ret_hcor = hcor;
> 
>  	/* enable busmaster */
> -	pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
> +	dm_pci_read_config32(dev, PCI_COMMAND, &cmd);

Is the dm_ prefix really needed on these functions ?

>  	cmd |= PCI_COMMAND_MASTER;
> -	pci_write_config_dword(pdev, PCI_COMMAND, cmd);
> +	dm_pci_write_config32(dev, PCI_COMMAND, cmd);
>  }
> 
> -#ifndef CONFIG_DM_USB
> +#else
> 
>  #ifdef CONFIG_PCI_EHCI_DEVICE
>  static struct pci_device_id ehci_pci_ids[] = {
> @@ -55,6 +57,31 @@ static struct pci_device_id ehci_pci_ids[] = {
>  };
>  #endif
> 
> +static void ehci_pci_legacy_init(pci_dev_t pdev, struct ehci_hccr
> **ret_hccr, +				 struct ehci_hcor **ret_hcor)
> +{
> +	struct ehci_hccr *hccr;
> +	struct ehci_hcor *hcor;
> +	uint32_t cmd;
> +
> +	hccr = (struct ehci_hccr *)pci_map_bar(pdev,
> +			PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
> +	hcor = (struct ehci_hcor *)((uint32_t) hccr +

This should be uintptr_t instead of uint32_t . Oh, and uint32_t should
not be used, use u32 where applicable.

> +			HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
> +
> +	debug("EHCI-PCI init hccr 0x%x and hcor 0x%x hc_length %d\n",
> +	      (uint32_t)hccr, (uint32_t)hcor,
> +	      (uint32_t)HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
> +
> +	*ret_hccr = hccr;
> +	*ret_hcor = hcor;
> +
> +	/* enable busmaster */
> +	pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
> +	cmd |= PCI_COMMAND_MASTER;
> +	pci_write_config_dword(pdev, PCI_COMMAND, cmd);
> +}

[...]

Best regards,
Marek Vasut
Bin Meng Nov. 18, 2015, 5:16 a.m. UTC | #2
On Tue, Nov 17, 2015 at 11:53 AM, Simon Glass <sjg@chromium.org> wrote:
> Convert this driver to use the new driver model PCI API.
>
> Signed-off-by: Simon Glass <sjg@chromium.org>
> ---
>
>  drivers/usb/host/ehci-pci.c | 43 +++++++++++++++++++++++++++++++++++--------
>  1 file changed, 35 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
> index 0cb9fcc..94cd73f 100644
> --- a/drivers/usb/host/ehci-pci.c
> +++ b/drivers/usb/host/ehci-pci.c
> @@ -18,14 +18,16 @@ struct ehci_pci_priv {
>         struct ehci_ctrl ehci;
>  };
>
> -static void ehci_pci_common_init(pci_dev_t pdev, struct ehci_hccr **ret_hccr,
> -                                struct ehci_hcor **ret_hcor)
> +#ifdef CONFIG_DM_USB
> +
> +static void ehci_pci_init(struct udevice *dev, struct ehci_hccr **ret_hccr,
> +                         struct ehci_hcor **ret_hcor)
>  {
>         struct ehci_hccr *hccr;
>         struct ehci_hcor *hcor;
>         uint32_t cmd;
>
> -       hccr = (struct ehci_hccr *)pci_map_bar(pdev,
> +       hccr = (struct ehci_hccr *)dm_pci_map_bar(dev,
>                         PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
>         hcor = (struct ehci_hcor *)((uint32_t) hccr +
>                         HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
> @@ -38,12 +40,12 @@ static void ehci_pci_common_init(pci_dev_t pdev, struct ehci_hccr **ret_hccr,
>         *ret_hcor = hcor;
>
>         /* enable busmaster */
> -       pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
> +       dm_pci_read_config32(dev, PCI_COMMAND, &cmd);
>         cmd |= PCI_COMMAND_MASTER;
> -       pci_write_config_dword(pdev, PCI_COMMAND, cmd);
> +       dm_pci_write_config32(dev, PCI_COMMAND, cmd);
>  }
>
> -#ifndef CONFIG_DM_USB
> +#else
>
>  #ifdef CONFIG_PCI_EHCI_DEVICE
>  static struct pci_device_id ehci_pci_ids[] = {
> @@ -55,6 +57,31 @@ static struct pci_device_id ehci_pci_ids[] = {
>  };
>  #endif
>
> +static void ehci_pci_legacy_init(pci_dev_t pdev, struct ehci_hccr **ret_hccr,
> +                                struct ehci_hcor **ret_hcor)
> +{
> +       struct ehci_hccr *hccr;
> +       struct ehci_hcor *hcor;
> +       uint32_t cmd;
> +
> +       hccr = (struct ehci_hccr *)pci_map_bar(pdev,
> +                       PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
> +       hcor = (struct ehci_hcor *)((uint32_t) hccr +
> +                       HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
> +
> +       debug("EHCI-PCI init hccr 0x%x and hcor 0x%x hc_length %d\n",
> +             (uint32_t)hccr, (uint32_t)hcor,
> +             (uint32_t)HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
> +
> +       *ret_hccr = hccr;
> +       *ret_hcor = hcor;
> +
> +       /* enable busmaster */
> +       pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
> +       cmd |= PCI_COMMAND_MASTER;
> +       pci_write_config_dword(pdev, PCI_COMMAND, cmd);
> +}
> +
>  /*
>   * Create the appropriate control structures to manage
>   * a new EHCI host controller.
> @@ -73,7 +100,7 @@ int ehci_hcd_init(int index, enum usb_init_type init,
>                 printf("EHCI host controller not found\n");
>                 return -1;
>         }
> -       ehci_pci_common_init(pdev, ret_hccr, ret_hcor);
> +       ehci_pci_legacy_init(pdev, ret_hccr, ret_hcor);
>
>         return 0;
>  }
> @@ -94,7 +121,7 @@ static int ehci_pci_probe(struct udevice *dev)
>         struct ehci_hccr *hccr;
>         struct ehci_hcor *hcor;
>
> -       ehci_pci_common_init(pci_get_bdf(dev), &hccr, &hcor);
> +       ehci_pci_init(dev, &hccr, &hcor);
>
>         return ehci_register(dev, hccr, hcor, NULL, 0, USB_INIT_HOST);
>  }
> --

Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff mbox

Patch

diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index 0cb9fcc..94cd73f 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -18,14 +18,16 @@  struct ehci_pci_priv {
 	struct ehci_ctrl ehci;
 };
 
-static void ehci_pci_common_init(pci_dev_t pdev, struct ehci_hccr **ret_hccr,
-				 struct ehci_hcor **ret_hcor)
+#ifdef CONFIG_DM_USB
+
+static void ehci_pci_init(struct udevice *dev, struct ehci_hccr **ret_hccr,
+			  struct ehci_hcor **ret_hcor)
 {
 	struct ehci_hccr *hccr;
 	struct ehci_hcor *hcor;
 	uint32_t cmd;
 
-	hccr = (struct ehci_hccr *)pci_map_bar(pdev,
+	hccr = (struct ehci_hccr *)dm_pci_map_bar(dev,
 			PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
 	hcor = (struct ehci_hcor *)((uint32_t) hccr +
 			HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
@@ -38,12 +40,12 @@  static void ehci_pci_common_init(pci_dev_t pdev, struct ehci_hccr **ret_hccr,
 	*ret_hcor = hcor;
 
 	/* enable busmaster */
-	pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
+	dm_pci_read_config32(dev, PCI_COMMAND, &cmd);
 	cmd |= PCI_COMMAND_MASTER;
-	pci_write_config_dword(pdev, PCI_COMMAND, cmd);
+	dm_pci_write_config32(dev, PCI_COMMAND, cmd);
 }
 
-#ifndef CONFIG_DM_USB
+#else
 
 #ifdef CONFIG_PCI_EHCI_DEVICE
 static struct pci_device_id ehci_pci_ids[] = {
@@ -55,6 +57,31 @@  static struct pci_device_id ehci_pci_ids[] = {
 };
 #endif
 
+static void ehci_pci_legacy_init(pci_dev_t pdev, struct ehci_hccr **ret_hccr,
+				 struct ehci_hcor **ret_hcor)
+{
+	struct ehci_hccr *hccr;
+	struct ehci_hcor *hcor;
+	uint32_t cmd;
+
+	hccr = (struct ehci_hccr *)pci_map_bar(pdev,
+			PCI_BASE_ADDRESS_0, PCI_REGION_MEM);
+	hcor = (struct ehci_hcor *)((uint32_t) hccr +
+			HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
+
+	debug("EHCI-PCI init hccr 0x%x and hcor 0x%x hc_length %d\n",
+	      (uint32_t)hccr, (uint32_t)hcor,
+	      (uint32_t)HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
+
+	*ret_hccr = hccr;
+	*ret_hcor = hcor;
+
+	/* enable busmaster */
+	pci_read_config_dword(pdev, PCI_COMMAND, &cmd);
+	cmd |= PCI_COMMAND_MASTER;
+	pci_write_config_dword(pdev, PCI_COMMAND, cmd);
+}
+
 /*
  * Create the appropriate control structures to manage
  * a new EHCI host controller.
@@ -73,7 +100,7 @@  int ehci_hcd_init(int index, enum usb_init_type init,
 		printf("EHCI host controller not found\n");
 		return -1;
 	}
-	ehci_pci_common_init(pdev, ret_hccr, ret_hcor);
+	ehci_pci_legacy_init(pdev, ret_hccr, ret_hcor);
 
 	return 0;
 }
@@ -94,7 +121,7 @@  static int ehci_pci_probe(struct udevice *dev)
 	struct ehci_hccr *hccr;
 	struct ehci_hcor *hcor;
 
-	ehci_pci_common_init(pci_get_bdf(dev), &hccr, &hcor);
+	ehci_pci_init(dev, &hccr, &hcor);
 
 	return ehci_register(dev, hccr, hcor, NULL, 0, USB_INIT_HOST);
 }