For now all PCI enumerated dwc3 devices require some properties
to be present. This allows us to unconditionally append them and supply
via driver_data.
No functional change intended.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/usb/dwc3/dwc3-pci.c | 107 +++++++++++++++++-------------------
1 file changed, 50 insertions(+), 57 deletions(-)
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index b29f031dfc23..cc4db9a06505 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -101,52 +101,37 @@ static int dwc3_byt_enable_ulpi_refclock(struct pci_dev *pci)
return 0;
}
+static const struct property_entry dwc3_pci_intel_properties[] = {
+ PROPERTY_ENTRY_STRING("dr_mode", "peripheral"),
+ PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
+ {}
+};
+
+static const struct property_entry dwc3_pci_amd_properties[] = {
+ PROPERTY_ENTRY_BOOL("snps,has-lpm-erratum"),
+ PROPERTY_ENTRY_U8("snps,lpm-nyet-threshold", 0xf),
+ PROPERTY_ENTRY_BOOL("snps,u2exit_lfps_quirk"),
+ PROPERTY_ENTRY_BOOL("snps,u2ss_inp3_quirk"),
+ PROPERTY_ENTRY_BOOL("snps,req_p1p2p3_quirk"),
+ PROPERTY_ENTRY_BOOL("snps,del_p1p2p3_quirk"),
+ PROPERTY_ENTRY_BOOL("snps,del_phy_power_chg_quirk"),
+ PROPERTY_ENTRY_BOOL("snps,lfps_filter_quirk"),
+ PROPERTY_ENTRY_BOOL("snps,rx_detect_poll_quirk"),
+ PROPERTY_ENTRY_BOOL("snps,tx_de_emphasis_quirk"),
+ PROPERTY_ENTRY_U8("snps,tx_de_emphasis", 1),
+ /* FIXME these quirks should be removed when AMD NL tapes out */
+ PROPERTY_ENTRY_BOOL("snps,disable_scramble_quirk"),
+ PROPERTY_ENTRY_BOOL("snps,dis_u3_susphy_quirk"),
+ PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"),
+ PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
+ {}
+};
+
static int dwc3_pci_quirks(struct dwc3_pci *dwc)
{
- struct platform_device *dwc3 = dwc->dwc3;
struct pci_dev *pdev = dwc->pci;
- if (pdev->vendor == PCI_VENDOR_ID_AMD &&
- pdev->device == PCI_DEVICE_ID_AMD_NL_USB) {
- struct property_entry properties[] = {
- PROPERTY_ENTRY_BOOL("snps,has-lpm-erratum"),
- PROPERTY_ENTRY_U8("snps,lpm-nyet-threshold", 0xf),
- PROPERTY_ENTRY_BOOL("snps,u2exit_lfps_quirk"),
- PROPERTY_ENTRY_BOOL("snps,u2ss_inp3_quirk"),
- PROPERTY_ENTRY_BOOL("snps,req_p1p2p3_quirk"),
- PROPERTY_ENTRY_BOOL("snps,del_p1p2p3_quirk"),
- PROPERTY_ENTRY_BOOL("snps,del_phy_power_chg_quirk"),
- PROPERTY_ENTRY_BOOL("snps,lfps_filter_quirk"),
- PROPERTY_ENTRY_BOOL("snps,rx_detect_poll_quirk"),
- PROPERTY_ENTRY_BOOL("snps,tx_de_emphasis_quirk"),
- PROPERTY_ENTRY_U8("snps,tx_de_emphasis", 1),
- /*
- * FIXME these quirks should be removed when AMD NL
- * tapes out
- */
- PROPERTY_ENTRY_BOOL("snps,disable_scramble_quirk"),
- PROPERTY_ENTRY_BOOL("snps,dis_u3_susphy_quirk"),
- PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"),
- PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
- { },
- };
-
- return platform_device_add_properties(dwc3, properties);
- }
-
if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
- int ret;
-
- struct property_entry properties[] = {
- PROPERTY_ENTRY_STRING("dr_mode", "peripheral"),
- PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
- { }
- };
-
- ret = platform_device_add_properties(dwc3, properties);
- if (ret < 0)
- return ret;
-
if (pdev->device == PCI_DEVICE_ID_INTEL_BXT ||
pdev->device == PCI_DEVICE_ID_INTEL_BXT_M) {
guid_parse(PCI_INTEL_BXT_DSM_GUID, &dwc->guid);
@@ -155,6 +140,7 @@ static int dwc3_pci_quirks(struct dwc3_pci *dwc)
if (pdev->device == PCI_DEVICE_ID_INTEL_BYT) {
struct gpio_desc *gpio;
+ int ret;
/* On BYT the FW does not always enable the refclock */
ret = dwc3_byt_enable_ulpi_refclock(pdev);
@@ -216,9 +202,9 @@ static void dwc3_pci_resume_work(struct work_struct *work)
}
#endif
-static int dwc3_pci_probe(struct pci_dev *pci,
- const struct pci_device_id *id)
+static int dwc3_pci_probe(struct pci_dev *pci, const struct pci_device_id *id)
{
+ struct property_entry *p = (struct property_entry *)id->driver_data;
struct dwc3_pci *dwc;
struct resource res[2];
int ret;
@@ -261,6 +247,10 @@ static int dwc3_pci_probe(struct pci_dev *pci,
dwc->dwc3->dev.parent = dev;
ACPI_COMPANION_SET(&dwc->dwc3->dev, ACPI_COMPANION(dev));
+ ret = platform_device_add_properties(dwc->dwc3, p);
+ if (ret < 0)
+ return ret;
+
ret = dwc3_pci_quirks(dwc);
if (ret)
goto err;
@@ -297,21 +287,24 @@ static void dwc3_pci_remove(struct pci_dev *pci)
platform_device_unregister(dwc->dwc3);
}
+#define DWC3_PCI_DEV(v, d, data) \
+ { PCI_VDEVICE(v, PCI_DEVICE_ID_##d), (kernel_ulong_t)&data }
+
static const struct pci_device_id dwc3_pci_id_table[] = {
- { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BSW), },
- { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT), },
- { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MRFLD), },
- { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SPTLP), },
- { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SPTH), },
- { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BXT), },
- { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BXT_M), },
- { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_APL), },
- { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_KBP), },
- { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_GLK), },
- { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CNPLP), },
- { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CNPH), },
- { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICLLP), },
- { PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_NL_USB), },
+ DWC3_PCI_DEV(INTEL, INTEL_BSW, dwc3_pci_intel_properties),
+ DWC3_PCI_DEV(INTEL, INTEL_BYT, dwc3_pci_intel_properties),
+ DWC3_PCI_DEV(INTEL, INTEL_MRFLD, dwc3_pci_intel_properties),
+ DWC3_PCI_DEV(INTEL, INTEL_SPTLP, dwc3_pci_intel_properties),
+ DWC3_PCI_DEV(INTEL, INTEL_SPTH, dwc3_pci_intel_properties),
+ DWC3_PCI_DEV(INTEL, INTEL_BXT, dwc3_pci_intel_properties),
+ DWC3_PCI_DEV(INTEL, INTEL_BXT_M, dwc3_pci_intel_properties),
+ DWC3_PCI_DEV(INTEL, INTEL_APL, dwc3_pci_intel_properties),
+ DWC3_PCI_DEV(INTEL, INTEL_KBP, dwc3_pci_intel_properties),
+ DWC3_PCI_DEV(INTEL, INTEL_GLK, dwc3_pci_intel_properties),
+ DWC3_PCI_DEV(INTEL, INTEL_CNPLP, dwc3_pci_intel_properties),
+ DWC3_PCI_DEV(INTEL, INTEL_CNPH, dwc3_pci_intel_properties),
+ DWC3_PCI_DEV(INTEL, INTEL_ICLLP, dwc3_pci_intel_properties),
+ DWC3_PCI_DEV(AMD, AMD_NL_USB, dwc3_pci_amd_properties),
{ } /* Terminating Entry */
};
MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table);
--
2.18.0
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
