chipidea: pci: register nop PHY
Since PHY for ChipIdea is optional (not all SoCs having PHY for ChipIdea should be programmed), we register 'nop' PHY for platforms that do not have programmable PHY. Acked-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Peter Chen <peter.chen@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
78f0357ec8
commit
ba1aff67f9
|
@ -16,10 +16,16 @@
|
|||
#include <linux/interrupt.h>
|
||||
#include <linux/usb/gadget.h>
|
||||
#include <linux/usb/chipidea.h>
|
||||
#include <linux/usb/usb_phy_generic.h>
|
||||
|
||||
/* driver name */
|
||||
#define UDC_DRIVER_NAME "ci_hdrc_pci"
|
||||
|
||||
struct ci_hdrc_pci {
|
||||
struct platform_device *ci;
|
||||
struct platform_device *phy;
|
||||
};
|
||||
|
||||
/******************************************************************************
|
||||
* PCI block
|
||||
*****************************************************************************/
|
||||
|
@ -52,7 +58,7 @@ static int ci_hdrc_pci_probe(struct pci_dev *pdev,
|
|||
const struct pci_device_id *id)
|
||||
{
|
||||
struct ci_hdrc_platform_data *platdata = (void *)id->driver_data;
|
||||
struct platform_device *plat_ci;
|
||||
struct ci_hdrc_pci *ci;
|
||||
struct resource res[3];
|
||||
int retval = 0, nres = 2;
|
||||
|
||||
|
@ -61,6 +67,10 @@ static int ci_hdrc_pci_probe(struct pci_dev *pdev,
|
|||
return -ENODEV;
|
||||
}
|
||||
|
||||
ci = devm_kzalloc(&pdev->dev, sizeof(*ci), GFP_KERNEL);
|
||||
if (!ci)
|
||||
return -ENOMEM;
|
||||
|
||||
retval = pcim_enable_device(pdev);
|
||||
if (retval)
|
||||
return retval;
|
||||
|
@ -73,6 +83,11 @@ static int ci_hdrc_pci_probe(struct pci_dev *pdev,
|
|||
pci_set_master(pdev);
|
||||
pci_try_set_mwi(pdev);
|
||||
|
||||
/* register a nop PHY */
|
||||
ci->phy = usb_phy_generic_register();
|
||||
if (!ci->phy)
|
||||
return -ENOMEM;
|
||||
|
||||
memset(res, 0, sizeof(res));
|
||||
res[0].start = pci_resource_start(pdev, 0);
|
||||
res[0].end = pci_resource_end(pdev, 0);
|
||||
|
@ -80,13 +95,14 @@ static int ci_hdrc_pci_probe(struct pci_dev *pdev,
|
|||
res[1].start = pdev->irq;
|
||||
res[1].flags = IORESOURCE_IRQ;
|
||||
|
||||
plat_ci = ci_hdrc_add_device(&pdev->dev, res, nres, platdata);
|
||||
if (IS_ERR(plat_ci)) {
|
||||
ci->ci = ci_hdrc_add_device(&pdev->dev, res, nres, platdata);
|
||||
if (IS_ERR(ci->ci)) {
|
||||
dev_err(&pdev->dev, "ci_hdrc_add_device failed!\n");
|
||||
return PTR_ERR(plat_ci);
|
||||
usb_phy_generic_unregister(ci->phy);
|
||||
return PTR_ERR(ci->ci);
|
||||
}
|
||||
|
||||
pci_set_drvdata(pdev, plat_ci);
|
||||
pci_set_drvdata(pdev, ci);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
@ -101,9 +117,10 @@ static int ci_hdrc_pci_probe(struct pci_dev *pdev,
|
|||
*/
|
||||
static void ci_hdrc_pci_remove(struct pci_dev *pdev)
|
||||
{
|
||||
struct platform_device *plat_ci = pci_get_drvdata(pdev);
|
||||
struct ci_hdrc_pci *ci = pci_get_drvdata(pdev);
|
||||
|
||||
ci_hdrc_remove_device(plat_ci);
|
||||
ci_hdrc_remove_device(ci->ci);
|
||||
usb_phy_generic_unregister(ci->phy);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
Loading…
Reference in a new issue