[PATCH V8 6/6] LPC: Add the ACPI LPC support

zhichang.yuan
2017-03-30T14:55:52Z

Based on the provious patches, this patch supports the ACPI LPC host on
Hip06/Hip07.

Signed-off-by: zhichang.yuan <yuanzhichang@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
---
drivers/bus/hisi_lpc.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/bus/hisi_lpc.c b/drivers/bus/hisi_lpc.c
index 018ea37..ef62045 100644
--- a/drivers/bus/hisi_lpc.c
+++ b/drivers/bus/hisi_lpc.c
@@ -458,7 +458,9 @@ static int hisilpc_probe(struct platform_device *pdev)
}

/* register the LPC host PIO resources */
- if (!has_acpi_companion(dev)) {
+ if (has_acpi_companion(dev)) {
+ lpcdev->io_host = find_io_range_by_fwnode(dev->fwnode);
+ } else {
struct logic_pio_hwaddr *range, *tmprange;

range = kzalloc(sizeof(*range), GFP_KERNEL);
@@ -526,10 +528,18 @@ static int hisilpc_probe(struct platform_device *pdev)
{},
};

+#ifdef CONFIG_ACPI
+static const struct acpi_device_id hisilpc_acpi_match[] = {
+ {"HISI0191", },
+ {},
+};
+#endif
+
static struct platform_driver hisilpc_driver = {
.driver = {
.name = "hisi_lpc",
.of_match_table = hisilpc_of_match,
+ .acpi_match_table = ACPI_PTR(hisilpc_acpi_match),
},
.probe = hisilpc_probe,
};
--
1.9.1