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Message-Id: <1466414282-96691-11-git-send-email-andriy.shevchenko@linux.intel.com>
Date: Mon, 20 Jun 2016 12:18:01 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Bryan O'Donoghue <pure.logic@...us-software.ie>,
Peter Hurley <peter@...leysoftware.com>,
linux-serial@...r.kernel.org, Vinod Koul <vinod.koul@...el.com>,
linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
ismo.puustinen@...el.com,
Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v9 10/11] serial: 8250_lpss: enable MSI for Intel Quark
Intel Quark SoC supports MSI for LPSS, in particular for UART. Enable MSI for
Intel Quark.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
drivers/tty/serial/8250/8250_lpss.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/tty/serial/8250/8250_lpss.c b/drivers/tty/serial/8250/8250_lpss.c
index cad96ee..5ac291c 100644
--- a/drivers/tty/serial/8250/8250_lpss.c
+++ b/drivers/tty/serial/8250/8250_lpss.c
@@ -151,6 +151,17 @@ static int byt_serial_setup(struct lpss8250 *lpss, struct uart_port *port)
return 0;
}
+static int qrk_serial_setup(struct lpss8250 *lpss, struct uart_port *port)
+{
+ struct pci_dev *pdev = to_pci_dev(port->dev);
+
+ pci_enable_msi(pdev);
+
+ port->irq = pdev->irq;
+
+ return 0;
+}
+
static bool lpss8250_dma_filter(struct dma_chan *chan, void *param)
{
struct dw_dma_slave *dws = param;
@@ -261,6 +272,7 @@ static const struct lpss8250_board byt_board = {
static const struct lpss8250_board qrk_board = {
.freq = 44236800,
.base_baud = 2764800,
+ .setup = qrk_serial_setup,
};
#define LPSS_DEVICE(id, board) { PCI_VDEVICE(INTEL, id), (kernel_ulong_t)&board }
--
2.8.1
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