summaryrefslogtreecommitdiffstats
path: root/drivers/fpga
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/fpga')
-rw-r--r--drivers/fpga/Kconfig1
-rw-r--r--drivers/fpga/altera-cvp.c10
-rw-r--r--drivers/fpga/altera-ps-spi.c5
-rw-r--r--drivers/fpga/dfl-afu-dma-region.c2
-rw-r--r--drivers/fpga/dfl.c22
-rw-r--r--drivers/fpga/ice40-spi.c5
-rw-r--r--drivers/fpga/stratix10-soc.c6
-rw-r--r--drivers/fpga/ts73xx-fpga.c10
-rw-r--r--drivers/fpga/xilinx-pr-decoupler.c10
-rw-r--r--drivers/fpga/xilinx-spi.c5
-rw-r--r--drivers/fpga/zynq-fpga.c10
-rw-r--r--drivers/fpga/zynqmp-fpga.c4
12 files changed, 34 insertions, 56 deletions
diff --git a/drivers/fpga/Kconfig b/drivers/fpga/Kconfig
index d892f3efcd76..8072c195d831 100644
--- a/drivers/fpga/Kconfig
+++ b/drivers/fpga/Kconfig
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
#
# FPGA framework configuration
#
diff --git a/drivers/fpga/altera-cvp.c b/drivers/fpga/altera-cvp.c
index 35c3aa5792e2..770915fb97f9 100644
--- a/drivers/fpga/altera-cvp.c
+++ b/drivers/fpga/altera-cvp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* FPGA Manager Driver for Altera Arria/Cyclone/Stratix CvP
*
@@ -5,15 +6,6 @@
*
* Anatolij Gustschin <agust@denx.de>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
* Manage Altera FPGA firmware using PCIe CvP.
* Firmware must be in binary "rbf" format.
*/
diff --git a/drivers/fpga/altera-ps-spi.c b/drivers/fpga/altera-ps-spi.c
index 678d0115f840..a13f224303c6 100644
--- a/drivers/fpga/altera-ps-spi.c
+++ b/drivers/fpga/altera-ps-spi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Altera Passive Serial SPI Driver
*
@@ -5,10 +6,6 @@
*
* Joshua Clayton <stillcompiling@gmail.com>
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
* Manage Altera FPGA firmware that is loaded over SPI using the passive
* serial configuration method.
* Firmware must be in binary "rbf" format.
diff --git a/drivers/fpga/dfl-afu-dma-region.c b/drivers/fpga/dfl-afu-dma-region.c
index c438722bf4e1..dcd80b088c7b 100644
--- a/drivers/fpga/dfl-afu-dma-region.c
+++ b/drivers/fpga/dfl-afu-dma-region.c
@@ -399,7 +399,7 @@ int afu_dma_map_region(struct dfl_feature_platform_data *pdata,
region->pages[0], 0,
region->length,
DMA_BIDIRECTIONAL);
- if (dma_mapping_error(&pdata->dev->dev, region->iova)) {
+ if (dma_mapping_error(dfl_fpga_pdata_to_parent(pdata), region->iova)) {
dev_err(&pdata->dev->dev, "failed to map for dma\n");
ret = -EFAULT;
goto unpin_pages;
diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c
index 2c09e502e721..4b66aaa32b5a 100644
--- a/drivers/fpga/dfl.c
+++ b/drivers/fpga/dfl.c
@@ -40,6 +40,13 @@ enum dfl_fpga_devt_type {
DFL_FPGA_DEVT_MAX,
};
+static struct lock_class_key dfl_pdata_keys[DFL_ID_MAX];
+
+static const char *dfl_pdata_key_strings[DFL_ID_MAX] = {
+ "dfl-fme-pdata",
+ "dfl-port-pdata",
+};
+
/**
* dfl_dev_info - dfl feature device information.
* @name: name string of the feature platform device.
@@ -315,7 +322,7 @@ static void dfl_chardev_uinit(void)
for (i = 0; i < DFL_FPGA_DEVT_MAX; i++)
if (MAJOR(dfl_chrdevs[i].devt)) {
unregister_chrdev_region(dfl_chrdevs[i].devt,
- MINORMASK);
+ MINORMASK + 1);
dfl_chrdevs[i].devt = MKDEV(0, 0);
}
}
@@ -325,8 +332,8 @@ static int dfl_chardev_init(void)
int i, ret;
for (i = 0; i < DFL_FPGA_DEVT_MAX; i++) {
- ret = alloc_chrdev_region(&dfl_chrdevs[i].devt, 0, MINORMASK,
- dfl_chrdevs[i].name);
+ ret = alloc_chrdev_region(&dfl_chrdevs[i].devt, 0,
+ MINORMASK + 1, dfl_chrdevs[i].name);
if (ret)
goto exit;
}
@@ -443,11 +450,16 @@ static int build_info_commit_dev(struct build_feature_devs_info *binfo)
struct platform_device *fdev = binfo->feature_dev;
struct dfl_feature_platform_data *pdata;
struct dfl_feature_info *finfo, *p;
+ enum dfl_id_type type;
int ret, index = 0;
if (!fdev)
return 0;
+ type = feature_dev_id_type(fdev);
+ if (WARN_ON_ONCE(type >= DFL_ID_MAX))
+ return -EINVAL;
+
/*
* we do not need to care for the memory which is associated with
* the platform device. After calling platform_device_unregister(),
@@ -463,6 +475,8 @@ static int build_info_commit_dev(struct build_feature_devs_info *binfo)
pdata->num = binfo->feature_num;
pdata->dfl_cdev = binfo->cdev;
mutex_init(&pdata->lock);
+ lockdep_set_class_and_name(&pdata->lock, &dfl_pdata_keys[type],
+ dfl_pdata_key_strings[type]);
/*
* the count should be initialized to 0 to make sure
@@ -497,7 +511,7 @@ static int build_info_commit_dev(struct build_feature_devs_info *binfo)
ret = platform_device_add(binfo->feature_dev);
if (!ret) {
- if (feature_dev_id_type(binfo->feature_dev) == PORT_ID)
+ if (type == PORT_ID)
dfl_fpga_cdev_add_port_dev(binfo->cdev,
binfo->feature_dev);
else
diff --git a/drivers/fpga/ice40-spi.c b/drivers/fpga/ice40-spi.c
index 6154661b8f76..56e112e14a10 100644
--- a/drivers/fpga/ice40-spi.c
+++ b/drivers/fpga/ice40-spi.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* FPGA Manager Driver for Lattice iCE40.
*
* Copyright (c) 2016 Joel Holdsworth
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
* This driver adds support to the FPGA manager for configuring the SRAM of
* Lattice iCE40 FPGAs through slave SPI.
*/
diff --git a/drivers/fpga/stratix10-soc.c b/drivers/fpga/stratix10-soc.c
index 13851b3d1c56..215d33789c74 100644
--- a/drivers/fpga/stratix10-soc.c
+++ b/drivers/fpga/stratix10-soc.c
@@ -507,12 +507,16 @@ static int __init s10_init(void)
if (!fw_np)
return -ENODEV;
+ of_node_get(fw_np);
np = of_find_matching_node(fw_np, s10_of_match);
- if (!np)
+ if (!np) {
+ of_node_put(fw_np);
return -ENODEV;
+ }
of_node_put(np);
ret = of_platform_populate(fw_np, s10_of_match, NULL, NULL);
+ of_node_put(fw_np);
if (ret)
return ret;
diff --git a/drivers/fpga/ts73xx-fpga.c b/drivers/fpga/ts73xx-fpga.c
index dc22a5842609..9a17fe98c1b0 100644
--- a/drivers/fpga/ts73xx-fpga.c
+++ b/drivers/fpga/ts73xx-fpga.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Technologic Systems TS-73xx SBC FPGA loader
*
@@ -5,15 +6,6 @@
*
* FPGA Manager Driver for the on-board Altera Cyclone II FPGA found on
* TS-7300, heavily based on load_fpga.c in their vendor tree.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/delay.h>
diff --git a/drivers/fpga/xilinx-pr-decoupler.c b/drivers/fpga/xilinx-pr-decoupler.c
index 641036135207..af9b387c56d3 100644
--- a/drivers/fpga/xilinx-pr-decoupler.c
+++ b/drivers/fpga/xilinx-pr-decoupler.c
@@ -1,18 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2017, National Instruments Corp.
* Copyright (c) 2017, Xilix Inc
*
* FPGA Bridge Driver for the Xilinx LogiCORE Partial Reconfiguration
* Decoupler IP Core.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/clk.h>
diff --git a/drivers/fpga/xilinx-spi.c b/drivers/fpga/xilinx-spi.c
index 469486be20c4..272ee0c22822 100644
--- a/drivers/fpga/xilinx-spi.c
+++ b/drivers/fpga/xilinx-spi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Xilinx Spartan6 Slave Serial SPI Driver
*
@@ -5,10 +6,6 @@
*
* Anatolij Gustschin <agust@denx.de>
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
* Manage Xilinx FPGA firmware that is loaded over SPI using
* the slave serial configuration interface.
*/
diff --git a/drivers/fpga/zynq-fpga.c b/drivers/fpga/zynq-fpga.c
index 57b0e6775958..31ef38e38537 100644
--- a/drivers/fpga/zynq-fpga.c
+++ b/drivers/fpga/zynq-fpga.c
@@ -1,18 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2011-2015 Xilinx Inc.
* Copyright (c) 2015, National Instruments Corp.
*
* FPGA Manager Driver for Xilinx Zynq, heavily based on xdevcfg driver
* in their vendor tree.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
*/
#include <linux/clk.h>
diff --git a/drivers/fpga/zynqmp-fpga.c b/drivers/fpga/zynqmp-fpga.c
index f7cbaadf49ab..b8a88d21d038 100644
--- a/drivers/fpga/zynqmp-fpga.c
+++ b/drivers/fpga/zynqmp-fpga.c
@@ -47,7 +47,7 @@ static int zynqmp_fpga_ops_write(struct fpga_manager *mgr,
char *kbuf;
int ret;
- if (!eemi_ops || !eemi_ops->fpga_load)
+ if (IS_ERR_OR_NULL(eemi_ops) || !eemi_ops->fpga_load)
return -ENXIO;
priv = mgr->priv;
@@ -81,7 +81,7 @@ static enum fpga_mgr_states zynqmp_fpga_ops_state(struct fpga_manager *mgr)
const struct zynqmp_eemi_ops *eemi_ops = zynqmp_pm_get_eemi_ops();
u32 status;
- if (!eemi_ops || !eemi_ops->fpga_get_status)
+ if (IS_ERR_OR_NULL(eemi_ops) || !eemi_ops->fpga_get_status)
return FPGA_MGR_STATE_UNKNOWN;
eemi_ops->fpga_get_status(&status);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 15:45:16 +0100