[PATCH v2 2/2] platform/surface: aggregator: Use serdev_acpi_get_uart_resource() helper

Andy Shevchenko
2021-08-04T14:32:53Z

serdev provides a generic helper to get UART Serial Bus resources.
Use it instead of an open coded variant.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
---
v2: added Rb tag (Maximilian)
drivers/platform/surface/aggregator/core.c | 9 +--------
1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/platform/surface/aggregator/core.c b/drivers/platform/surface/aggregator/core.c
index 279d9df19c01..c61bbeeec2df 100644
--- a/drivers/platform/surface/aggregator/core.c
+++ b/drivers/platform/surface/aggregator/core.c
@@ -301,20 +301,13 @@ static acpi_status ssam_serdev_setup_via_acpi_crs(struct acpi_resource *rsc,
void *ctx)
{
struct serdev_device *serdev = ctx;
- struct acpi_resource_common_serialbus *serial;
struct acpi_resource_uart_serialbus *uart;
bool flow_control;
int status = 0;

- if (rsc->type != ACPI_RESOURCE_TYPE_SERIAL_BUS)
+ if (!serdev_acpi_get_uart_resource(rsc, &uart))
return AE_OK;

- serial = &rsc->data.common_serial_bus;
- if (serial->type != ACPI_RESOURCE_SERIAL_TYPE_UART)
- return AE_OK;
-
- uart = &rsc->data.uart_serial_bus;
-
/* Set up serdev device. */
serdev_device_set_baudrate(serdev, uart->default_baud_rate);

--
2.30.2