On Thu, Apr 26, 2018 at 02:49:49PM +0100, John Garry wrote:
> diff --git a/drivers/bus/hisi_lpc.c b/drivers/bus/hisi_lpc.c
> index 2d4611e..b04425b 100644
> --- a/drivers/bus/hisi_lpc.c
> +++ b/drivers/bus/hisi_lpc.c
> @@ -18,6 +18,8 @@
> #include <linux/of_platform.h>
> #include <linux/pci.h>
> #include <linux/slab.h>
> +#include <linux/serial_8250.h>
> +#include "../tty/serial/8250/8250.h"
>
> #define DRV_NAME "hisi-lpc"
>
> @@ -345,6 +347,7 @@ static void hisi_lpc_comm_outs(void *hostdata, unsigned
> long pio,
> #define MFD_CHILD_NAME_LEN (ACPI_ID_LEN + sizeof(MFD_CHILD_NAME_PREFIX) -
> 1)
>
> struct hisi_lpc_mfd_cell {
> + struct plat_serial8250_port serial8250_port;
> struct mfd_cell_acpi_match acpi_match;
> char name[MFD_CHILD_NAME_LEN];
> char pnpid[ACPI_ID_LEN];
> @@ -513,10 +516,31 @@ static int hisi_lpc_acpi_probe(struct device *hostdev)
> dev_warn(&child->dev, "set resource fail (%d)\n", ret);
> return ret;
> }
> + if (!strcmp(acpi_device_hid(child), "HISI1031")) {
Hmm, there is a way in struct mfd_cell to match child devices using _HID
so is there something preventing you from using that?
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