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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2020-03-05 15:08:22 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-03-06 13:31:19 +0100
commit1b91d97c66ef32a80dc3098df2f5fe3392342625 (patch)
treeecc2073180ef7e02fe1ff563cfef987201f699af
parente32a83c70cf987df8937760fa263296acf84f963 (diff)
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>
-rw-r--r--drivers/tty/serial/8250/8250_lpss.c6
1 files changed, 6 insertions, 0 deletions
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 = {