diff options
| author | Ye Li <ye.li@nxp.com> | 2020-05-18 22:27:57 -0700 |
|---|---|---|
| committer | Ye Li <ye.li@nxp.com> | 2020-05-19 07:23:39 -0700 |
| commit | b270afa39e1e97e54f58addfa9f1e322aff73d6d (patch) | |
| tree | 066b3c93fd008d27cea602dc4a13980713b851c4 | |
| parent | b1d08b73756f5090aa33edda98edd239cfca3f4e (diff) | |
MLK-24062-4 usb: ehci-mx6: Improve the bind function
To avoid calling devfdt_get_addr_index in bind, which introduces
much overhead, checks the req_seq and only call the devfdt_get_addr_index
when the req_seq (usb alias) is not set in DTS
Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
| -rw-r--r-- | drivers/usb/host/ehci-mx6.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/usb/host/ehci-mx6.c b/drivers/usb/host/ehci-mx6.c index 2df634f2ff1..035e0b6715e 100644 --- a/drivers/usb/host/ehci-mx6.c +++ b/drivers/usb/host/ehci-mx6.c @@ -365,13 +365,16 @@ static int ehci_usb_bind(struct udevice *dev) * the driver is fully converted to DT probing. */ u32 controller_spacing; - if (IS_ENABLED(CONFIG_MX6)) - controller_spacing = 0x200; - else - controller_spacing = 0x10000; - fdt_addr_t addr = devfdt_get_addr_index(dev, 0); - dev->req_seq = (addr - USB_BASE_ADDR) / controller_spacing; + if (dev->req_seq == -1) { + if (IS_ENABLED(CONFIG_MX6)) + controller_spacing = 0x200; + else + controller_spacing = 0x10000; + fdt_addr_t addr = devfdt_get_addr_index(dev, 0); + + dev->req_seq = (addr - USB_BASE_ADDR) / controller_spacing; + } return 0; } |