* [PATCH v2] usb: ehci: add pci device support for Aspeed platforms
@ 2022-02-08 10:16 Neal Liu
2022-02-08 15:20 ` Alan Stern
0 siblings, 1 reply; 2+ messages in thread
From: Neal Liu @ 2022-02-08 10:16 UTC (permalink / raw)
To: Alan Stern, Greg Kroah-Hartman, linux-usb, linux-kernel
Cc: Neal Liu, Tao Ren, BMC-SW
Enable Aspeed quirks in commit 7f2d73788d90 ("usb: ehci:
handshake CMD_RUN instead of STS_HALT") to support Aspeed
ehci-pci device.
Signed-off-by: Neal Liu <neal_liu@aspeedtech.com>
---
drivers/usb/host/ehci-pci.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index e87cf3a00fa4..638f03b89739 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -21,6 +21,9 @@ static const char hcd_name[] = "ehci-pci";
/* defined here to avoid adding to pci_ids.h for single instance use */
#define PCI_DEVICE_ID_INTEL_CE4100_USB 0x2e70
+#define PCI_VENDOR_ID_ASPEED 0x1a03
+#define PCI_DEVICE_ID_ASPEED_EHCI 0x2603
+
/*-------------------------------------------------------------------------*/
#define PCI_DEVICE_ID_INTEL_QUARK_X1000_SOC 0x0939
static inline bool is_intel_quark_x1000(struct pci_dev *pdev)
@@ -222,6 +225,12 @@ static int ehci_pci_setup(struct usb_hcd *hcd)
ehci->has_synopsys_hc_bug = 1;
}
break;
+ case PCI_VENDOR_ID_ASPEED:
+ if (pdev->device == PCI_DEVICE_ID_ASPEED_EHCI) {
+ ehci_info(ehci, "applying Aspeed HC workaround\n");
+ ehci->is_aspeed = 1;
+ }
+ break;
}
/* optional debug port, normally in the first BAR */
--
2.25.1
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH v2] usb: ehci: add pci device support for Aspeed platforms
2022-02-08 10:16 [PATCH v2] usb: ehci: add pci device support for Aspeed platforms Neal Liu
@ 2022-02-08 15:20 ` Alan Stern
0 siblings, 0 replies; 2+ messages in thread
From: Alan Stern @ 2022-02-08 15:20 UTC (permalink / raw)
To: Neal Liu; +Cc: Greg Kroah-Hartman, linux-usb, linux-kernel, Tao Ren, BMC-SW
On Tue, Feb 08, 2022 at 06:16:57PM +0800, Neal Liu wrote:
> Enable Aspeed quirks in commit 7f2d73788d90 ("usb: ehci:
> handshake CMD_RUN instead of STS_HALT") to support Aspeed
> ehci-pci device.
>
> Signed-off-by: Neal Liu <neal_liu@aspeedtech.com>
> ---
Acked-by: Alan Stern <stern@rowland.harvard.edu>
> drivers/usb/host/ehci-pci.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
> index e87cf3a00fa4..638f03b89739 100644
> --- a/drivers/usb/host/ehci-pci.c
> +++ b/drivers/usb/host/ehci-pci.c
> @@ -21,6 +21,9 @@ static const char hcd_name[] = "ehci-pci";
> /* defined here to avoid adding to pci_ids.h for single instance use */
> #define PCI_DEVICE_ID_INTEL_CE4100_USB 0x2e70
>
> +#define PCI_VENDOR_ID_ASPEED 0x1a03
> +#define PCI_DEVICE_ID_ASPEED_EHCI 0x2603
> +
> /*-------------------------------------------------------------------------*/
> #define PCI_DEVICE_ID_INTEL_QUARK_X1000_SOC 0x0939
> static inline bool is_intel_quark_x1000(struct pci_dev *pdev)
> @@ -222,6 +225,12 @@ static int ehci_pci_setup(struct usb_hcd *hcd)
> ehci->has_synopsys_hc_bug = 1;
> }
> break;
> + case PCI_VENDOR_ID_ASPEED:
> + if (pdev->device == PCI_DEVICE_ID_ASPEED_EHCI) {
> + ehci_info(ehci, "applying Aspeed HC workaround\n");
> + ehci->is_aspeed = 1;
> + }
> + break;
> }
>
> /* optional debug port, normally in the first BAR */
> --
> 2.25.1
>
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2022-02-08 15:27 UTC | newest]
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