From: "J. German Rivera" <German.Rivera@freescale.com>
To: <gregkh@linuxfoundation.org>, <arnd@arndb.de>,
<devel@driverdev.osuosl.org>, <linux-kernel@vger.kernel.org>
Cc: <stuart.yoder@freescale.com>, <itai.katz@freescale.com>,
<lijun.pan@freescale.com>, <leoli@freescale.com>,
<scottwood@freescale.com>, <agraf@suse.de>,
<bhamciu1@freescale.com>, <R89243@freescale.com>,
<bhupesh.sharma@freescale.com>, <nir.erez@freescale.com>,
<richard.schmitt@freescale.com>, <dan.carpenter@oracle.com>,
<marc.zyngier@arm.com>, <jiang.liu@linux.intel.com>,
"J. German Rivera" <German.Rivera@freescale.com>
Subject: [PATCH v2 11/11] staging: fsl-mc: Added MSI support to the MC bus driver
Date: Fri, 30 Oct 2015 14:43:37 -0500 [thread overview]
Message-ID: <1446234217-25512-12-git-send-email-German.Rivera@freescale.com> (raw)
In-Reply-To: <1446234217-25512-1-git-send-email-German.Rivera@freescale.com>
Initialize/Cleanup ITS-MSI support for the MC bus driver at driver
init/exit time. Associate an MSI domain with each DPAA2 child device.
Signed-off-by: J. German Rivera <German.Rivera@freescale.com>
---
Changes in v2: none
drivers/staging/fsl-mc/bus/mc-bus.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/staging/fsl-mc/bus/mc-bus.c b/drivers/staging/fsl-mc/bus/mc-bus.c
index d34f1af..9317561 100644
--- a/drivers/staging/fsl-mc/bus/mc-bus.c
+++ b/drivers/staging/fsl-mc/bus/mc-bus.c
@@ -16,6 +16,8 @@
#include <linux/ioport.h>
#include <linux/slab.h>
#include <linux/limits.h>
+#include <linux/bitops.h>
+#include <linux/msi.h>
#include "../include/dpmng.h"
#include "../include/mc-sys.h"
#include "dprc-cmd.h"
@@ -472,6 +474,8 @@ int fsl_mc_device_add(struct dprc_obj_desc *obj_desc,
mc_dev->icid = parent_mc_dev->icid;
mc_dev->dma_mask = FSL_MC_DEFAULT_DMA_MASK;
mc_dev->dev.dma_mask = &mc_dev->dma_mask;
+ dev_set_msi_domain(&mc_dev->dev,
+ dev_get_msi_domain(&parent_mc_dev->dev));
}
/*
@@ -833,8 +837,15 @@ static int __init fsl_mc_bus_driver_init(void)
if (error < 0)
goto error_cleanup_dprc_driver;
+ error = its_fsl_mc_msi_init();
+ if (error < 0)
+ goto error_cleanup_mc_allocator;
+
return 0;
+error_cleanup_mc_allocator:
+ fsl_mc_allocator_driver_exit();
+
error_cleanup_dprc_driver:
dprc_driver_exit();
@@ -856,6 +867,7 @@ static void __exit fsl_mc_bus_driver_exit(void)
if (WARN_ON(!mc_dev_cache))
return;
+ its_fsl_mc_msi_cleanup();
fsl_mc_allocator_driver_exit();
dprc_driver_exit();
platform_driver_unregister(&fsl_mc_bus_driver);
--
2.3.3
prev parent reply other threads:[~2015-10-30 20:00 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-30 19:43 [PATCH v2 00/11] staging: fsl-mc: MC bus MSI support J. German Rivera
2015-10-30 19:43 ` [PATCH v2 01/11] irqdomain: Added domain bus token DOMAIN_BUS_FSL_MC_MSI J. German Rivera
2015-11-06 1:56 ` Jiang Liu
2015-10-30 19:43 ` [PATCH v2 02/11] fsl-mc: msi: Added FSL-MC-specific member to the msi_desc's union J. German Rivera
2015-11-06 1:59 ` Jiang Liu
2015-10-30 19:43 ` [PATCH v2 03/11] staging: fsl-mc: Added generic MSI support for FSL-MC devices J. German Rivera
2015-11-06 17:50 ` Marc Zyngier
2015-11-06 23:20 ` Jose Rivera
2015-11-09 10:45 ` Marc Zyngier
2015-11-09 21:18 ` Jose Rivera
2015-10-30 19:43 ` [PATCH v2 04/11] staging: fsl-mc: Added GICv3-ITS support for FSL-MC MSIs J. German Rivera
2015-10-30 19:43 ` [PATCH v2 05/11] staging: fsl-mc: Extended MC bus allocator to include IRQs J. German Rivera
2015-10-30 19:43 ` [PATCH v2 06/11] staging: fsl-mc: Changed DPRC built-in portal's mc_io to be atomic J. German Rivera
2015-10-30 19:43 ` [PATCH v2 07/11] staging: fsl-mc: Populate the IRQ pool for an MC bus instance J. German Rivera
2015-10-30 19:43 ` [PATCH v2 08/11] staging: fsl-mc: set MSI domain for DPRC objects J. German Rivera
2015-10-30 19:43 ` [PATCH v2 09/11] staging: fsl-mc: Fixed bug in dprc_probe() error path J. German Rivera
2015-10-30 19:43 ` [PATCH v2 10/11] staging: fsl-mc: Added DPRC interrupt handler J. German Rivera
2015-10-30 19:43 ` J. German Rivera [this message]
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