From 1b91d97c66ef32a80dc3098df2f5fe3392342625 Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Thu, 5 Mar 2020 15:08:22 +0200
Subject: [PATCH] serial: 8250_lpss: Add ->setup() for Elkhart Lake ports
Git-commit: 1b91d97c66ef32a80dc3098df2f5fe3392342625
Patch-mainline: v5.7-rc1
References: jsc#SLE-13436
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/tty/serial/8250/8250_lpss.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/tty/serial/8250/8250_lpss.c b/drivers/tty/serial/8250/8250_lpss.c
index 60eff3240c8a..4dee8a9e0c95 100644
--- a/drivers/tty/serial/8250/8250_lpss.c
+++ b/drivers/tty/serial/8250/8250_lpss.c
@@ -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 = {
--
2.16.4