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platform/surface: aggregator: Use serdev_acpi_get_uart_resource() helper 

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

Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20210806111736.66591-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2021-08-06 14:17:36 +03:00 committed by Greg Kroah-Hartman
parent 0a732d7dfb
commit 541b84ecee
1 changed files with 1 additions and 8 deletions
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9
drivers/platform/surface/aggregator/core.c
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@ -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);