Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757688AbcDGUjb (ORCPT ); Thu, 7 Apr 2016 16:39:31 -0400 Received: from mga11.intel.com ([192.55.52.93]:18717 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755429AbcDGUhW (ORCPT ); Thu, 7 Apr 2016 16:37:22 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.24,449,1455004800"; d="scan'208";a="940601096" From: Andy Shevchenko To: Vinod Koul , linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, Greg Kroah-Hartman , ismo.puustinen@intel.com, Heikki Krogerus , linux-serial@vger.kernel.org Cc: Andy Shevchenko Subject: [PATCH v1 11/12] serial: 8250_lpss: enable MSI for Intel Quark Date: Thu, 7 Apr 2016 23:37:12 +0300 Message-Id: <1460061433-63750-12-git-send-email-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.8.0.rc3 In-Reply-To: <1460061433-63750-1-git-send-email-andriy.shevchenko@linux.intel.com> References: <1460061433-63750-1-git-send-email-andriy.shevchenko@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1213 Lines: 40 Intel Quark SoC supports MSI for LPSS, in particular for UART. Enable MSI for Intel Quark. Signed-off-by: Andy Shevchenko --- 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 1095612..1b36d32 100644 --- a/drivers/tty/serial/8250/8250_lpss.c +++ b/drivers/tty/serial/8250/8250_lpss.c @@ -141,6 +141,17 @@ 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) @@ -260,6 +271,7 @@ 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 } -- 2.8.0.rc3