From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Vinod Koul <vinod.koul@intel.com>,
linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
ismo.puustinen@intel.com,
Heikki Krogerus <heikki.krogerus@linux.intel.com>,
linux-serial@vger.kernel.org
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: [PATCH v1 11/12] serial: 8250_lpss: enable MSI for Intel Quark
Date: Thu, 7 Apr 2016 23:37:12 +0300 [thread overview]
Message-ID: <1460061433-63750-12-git-send-email-andriy.shevchenko@linux.intel.com> (raw)
In-Reply-To: <1460061433-63750-1-git-send-email-andriy.shevchenko@linux.intel.com>
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 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
next prev parent reply other threads:[~2016-04-07 20:37 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-07 20:37 [PATCH v1 00/12] serial: 8250: split LPSS to 8250_lpss, enable DMA on Quark Andy Shevchenko
2016-04-07 20:37 ` [PATCH v1 01/12] dmaengine: dw: keep copy of custom slave config in dwc Andy Shevchenko
2016-04-07 20:37 ` [PATCH v1 02/12] dmaengine: dw: provide probe(), remove() stubs for users Andy Shevchenko
2016-04-07 20:37 ` [PATCH v1 03/12] dmaengine: dw: set polarity of handshake interface Andy Shevchenko
2016-04-07 20:37 ` [PATCH v1 04/12] dmaengine: dw: override LLP support if asked in platform data Andy Shevchenko
2016-04-07 20:37 ` [PATCH v1 05/12] serial: 8250_dma: switch to new dmaengine_terminate_* API Andy Shevchenko
2016-04-07 23:55 ` Peter Hurley
2016-04-07 20:37 ` [PATCH v1 06/12] serial: 8250_dma: stop ongoing RX DMA on exception Andy Shevchenko
2016-04-07 23:54 ` Peter Hurley
2016-04-08 8:07 ` Andy Shevchenko
2016-04-08 23:20 ` Peter Hurley
2016-04-07 20:37 ` [PATCH v1 07/12] serial: 8250_dma: adjust DMA address of the UART Andy Shevchenko
2016-04-08 0:24 ` Peter Hurley
2016-04-07 20:37 ` [PATCH v1 08/12] serial: 8250: enable AFE on ports where FIFO is 16 bytes Andy Shevchenko
2016-04-07 23:43 ` Peter Hurley
2016-04-07 20:37 ` [PATCH v1 09/12] serial: 8250_lpss: split LPSS driver to separate module Andy Shevchenko
2016-04-08 1:42 ` Peter Hurley
2016-04-08 8:17 ` Andy Shevchenko
2016-04-08 22:44 ` Peter Hurley
2016-04-11 13:09 ` Andy Shevchenko
2016-04-07 20:37 ` [PATCH v1 10/12] serial: 8250_lpss: move Quark code from PCI driver Andy Shevchenko
2016-04-07 20:37 ` Andy Shevchenko [this message]
2016-04-07 20:37 ` [PATCH v1 12/12] serial: 8250_lpss: enable DMA on Intel Quark UART Andy Shevchenko
2016-04-11 15:33 ` Bryan O'Donoghue
2016-04-11 15:51 ` Andy Shevchenko
2016-04-11 16:05 ` Andy Shevchenko
2016-04-12 16:25 ` Bryan O'Donoghue
2016-04-12 16:50 ` Andy Shevchenko
2016-04-13 11:22 ` Bryan O'Donoghue
2016-04-13 12:03 ` Andy Shevchenko
2016-04-13 14:34 ` Bryan O'Donoghue
2016-04-13 14:48 ` Andy Shevchenko
2016-04-13 15:24 ` Bryan O'Donoghue
2016-04-09 16:53 ` [PATCH v1 00/12] serial: 8250: split LPSS to 8250_lpss, enable DMA on Quark Bryan O'Donoghue
2016-04-09 17:48 ` Andy Shevchenko
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