Commit 1b91d97c authored Mar 05, 2020 by Andy Shevchenko Committed by Greg Kroah-Hartman Mar 06, 2020

serial: 8250_lpss: Add ->setup() for Elkhart Lake ports



The ->setup() callback is mandatory for the devices.
Provide it for Elkhart Lake UART ports.

Note, for time being it's empty, but in the future it might require
an additional configuration such as DMA.

Reported-by: Raymond Tan <raymond.tan@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200305130822.36850-1-andriy.shevchenko@linux.intel.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent e32a83c7

drivers/tty/serial/8250/8250_lpss.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -156,6 +156,11 @@ static int byt_serial_setup(struct lpss8250 lpss, struct uart_port port)
		return 0;
		}

		static int ehl_serial_setup(struct lpss8250 lpss, struct uart_port port)
		{
		return 0;
		}

		#ifdef CONFIG_SERIAL_8250_DMA
		static const struct dw_dma_platform_data qrk_serial_dma_pdata = {
		.nr_channels = 2,
		@@ -356,6 +361,7 @@ static const struct lpss8250_board byt_board = {
		static const struct lpss8250_board ehl_board = {
		.freq = 200000000,
		.base_baud = 12500000,
		.setup = ehl_serial_setup,
		};

		static const struct lpss8250_board qrk_board = {

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