Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/tools/pci/Build b/tools/pci/Build
new file mode 100644
index 0000000..c375aea
--- /dev/null
+++ b/tools/pci/Build
@@ -0,0 +1 @@
+pcitest-y += pcitest.o
diff --git a/tools/pci/Makefile b/tools/pci/Makefile
new file mode 100644
index 0000000..4b95a51
--- /dev/null
+++ b/tools/pci/Makefile
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: GPL-2.0
+include ../scripts/Makefile.include
+
+bindir ?= /usr/bin
+
+ifeq ($(srctree),)
+srctree := $(patsubst %/,%,$(dir $(CURDIR)))
+srctree := $(patsubst %/,%,$(dir $(srctree)))
+endif
+
+# Do not use make's built-in rules
+# (this improves performance and avoids hard-to-debug behaviour);
+MAKEFLAGS += -r
+
+CFLAGS += -O2 -Wall -g -D_GNU_SOURCE -I$(OUTPUT)include
+
+ALL_TARGETS := pcitest
+ALL_PROGRAMS := $(patsubst %,$(OUTPUT)%,$(ALL_TARGETS))
+
+SCRIPTS := pcitest.sh
+
+all: $(ALL_PROGRAMS)
+
+export srctree OUTPUT CC LD CFLAGS
+include $(srctree)/tools/build/Makefile.include
+
+#
+# We need the following to be outside of kernel tree
+#
+$(OUTPUT)include/linux/: ../../include/uapi/linux/
+ mkdir -p $(OUTPUT)include/linux/ 2>&1 || true
+ ln -sf $(CURDIR)/../../include/uapi/linux/pcitest.h $@
+
+prepare: $(OUTPUT)include/linux/
+
+PCITEST_IN := $(OUTPUT)pcitest-in.o
+$(PCITEST_IN): prepare FORCE
+ $(Q)$(MAKE) $(build)=pcitest
+$(OUTPUT)pcitest: $(PCITEST_IN)
+ $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@
+
+clean:
+ rm -f $(ALL_PROGRAMS)
+ rm -rf $(OUTPUT)include/
+ find $(if $(OUTPUT),$(OUTPUT),.) -name '*.o' -delete -o -name '\.*.d' -delete
+
+install: $(ALL_PROGRAMS)
+ install -d -m 755 $(DESTDIR)$(bindir); \
+ for program in $(ALL_PROGRAMS); do \
+ install $$program $(DESTDIR)$(bindir); \
+ done; \
+ for script in $(SCRIPTS); do \
+ install $$script $(DESTDIR)$(bindir); \
+ done
+
+FORCE:
+
+.PHONY: all install clean FORCE prepare
diff --git a/tools/pci/pcitest.c b/tools/pci/pcitest.c
index af146bb..cb1e51f 100644
--- a/tools/pci/pcitest.c
+++ b/tools/pci/pcitest.c
@@ -1,20 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/**
* Userspace PCI Endpoint Test Module
*
* Copyright (C) 2017 Texas Instruments
* Author: Kishon Vijay Abraham I <kishon@ti.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 of
- * the License as published by the Free Software Foundation.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <errno.h>
@@ -23,7 +12,6 @@
#include <stdio.h>
#include <stdlib.h>
#include <sys/ioctl.h>
-#include <time.h>
#include <unistd.h>
#include <linux/pcitest.h>
@@ -50,15 +38,13 @@
static int run_test(struct pci_test *test)
{
- long ret;
+ int ret = -EINVAL;
int fd;
- struct timespec start, end;
- double time;
fd = open(test->device, O_RDWR);
if (fd < 0) {
perror("can't open PCI Endpoint Test device");
- return fd;
+ return -ENODEV;
}
if (test->barnum >= 0 && test->barnum <= 5) {
@@ -143,6 +129,7 @@
}
fflush(stdout);
+ return (ret < 0) ? ret : 1 - ret; /* return 0 if test succeeded */
}
int main(int argc, char **argv)
@@ -165,7 +152,7 @@
/* set default endpoint device */
test->device = "/dev/pci-endpoint-test.0";
- while ((c = getopt(argc, argv, "D:b:m:x:i:Ilrwcs:")) != EOF)
+ while ((c = getopt(argc, argv, "D:b:m:x:i:Ilhrwcs:")) != EOF)
switch (c) {
case 'D':
test->device = optarg;
@@ -209,7 +196,6 @@
case 's':
test->size = strtoul(optarg, NULL, 0);
continue;
- case '?':
case 'h':
default:
usage:
@@ -226,11 +212,11 @@
"\t-r Read buffer test\n"
"\t-w Write buffer test\n"
"\t-c Copy buffer test\n"
- "\t-s <size> Size of buffer {default: 100KB}\n",
+ "\t-s <size> Size of buffer {default: 100KB}\n"
+ "\t-h Print this help message\n",
argv[0]);
return -EINVAL;
}
- run_test(test);
- return 0;
+ return run_test(test);
}