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[PATCH v10 10/11] serial: 8250_lpss: enable MSI for Intel Quark

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Intel Quark SoC supports MSI for LPSS, in particular for UART. Enable MSI for
Intel Quark.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.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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Thread

[PATCH v10 00/11] serial: 8250: split LPSS to 8250_lpss, enable DMA on Quark Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-08-12 18:10 +0200
  [PATCH v10 09/11] serial: 8250_lpss: move Quark code from PCI driver Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-08-12 18:10 +0200
  [PATCH v10 04/11] dmaengine: dw: provide probe(), remove() stubs for users Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-08-12 18:10 +0200
  [PATCH v10 10/11] serial: 8250_lpss: enable MSI for Intel Quark Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-08-12 18:10 +0200
    Re: [PATCH v10 10/11] serial: 8250_lpss: enable MSI for Intel Quark Bryan O'Donoghue <pure.logic@nexus-software.ie> - 2016-08-15 11:10 +0200
      Re: [PATCH v10 10/11] serial: 8250_lpss: enable MSI for Intel Quark Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-08-15 11:40 +0200
  [PATCH v10 01/11] dmaengine: dw: keep copy of custom slave config in dwc Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-08-12 18:10 +0200
  [PATCH v10 07/11] serial: 8250: enable AFE on ports where FIFO is 16 bytes Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-08-12 18:10 +0200

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