On Wed, 12 Aug 2015, Jeremy Linton wrote:
> This enables USB on the ARM juno board when booted with
> an ACPI kernel. The PNP id comes from the PNP/ACPI registry
> and describes a EHCI controller without debug.
>
> Signed-off-by: Jeremy Linton <jeremy.linton@xxxxxxx>
Looks okay, but...
> ---
> drivers/usb/host/ehci-platform.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
> index 82e396f..1807baa 100644
> --- a/drivers/usb/host/ehci-platform.c
> +++ b/drivers/usb/host/ehci-platform.c
> @@ -27,6 +27,7 @@
> #include <linux/io.h>
> #include <linux/module.h>
> #include <linux/of.h>
> +#include <linux/acpi.h>
> #include <linux/phy/phy.h>
> #include <linux/platform_device.h>
> #include <linux/reset.h>
> @@ -382,6 +383,13 @@ static const struct of_device_id vt8500_ehci_ids[] = {
> };
> MODULE_DEVICE_TABLE(of, vt8500_ehci_ids);
>
> +static const struct acpi_device_id ehci_acpi_match[] = {
> + { "PNP0D20", 0 },
How about a comment on this line? Something like:
+ { "PNP0D20", 0 }, /* EHCI controller without debug */
I realize the of_device_id table doesn't include similar comments, but
there the entries are more or less self-documenting. The same cannot
be said for "PNP0D20".
> + { }
> +};
> +MODULE_DEVICE_TABLE(acpi, ehci_acpi_match);
> +
> +
Undesired extra blank line.
> static const struct platform_device_id ehci_platform_table[] = {
> { "ehci-platform", 0 },
> { }
> @@ -400,6 +408,7 @@ static struct platform_driver ehci_platform_driver = {
> .name = "ehci-platform",
> .pm = &ehci_platform_pm_ops,
> .of_match_table = vt8500_ehci_ids,
> + .acpi_match_table = ACPI_PTR(ehci_acpi_match),
> }
> };
With these changes:
Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Alan Stern
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