summaryrefslogtreecommitdiffstats
path: root/drivers/clocksource/timer-probe.c
diff options
context:
space:
mode:
authorRosen Penev <rosenp@gmail.com>2026-09-27 13:35:01 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-10-01 11:04:53 +0200
commit8167c1f071426706c233e93ecfd13aba7d5c06c8 (patch)
tree2c0cd5f5e1cc35eadee98d49fe034f96a88856ce /drivers/clocksource/timer-probe.c
downloadlinux-stable-8167c1f071426706c233e93ecfd13aba7d5c06c8.tar.gz
linux-stable-8167c1f071426706c233e93ecfd13aba7d5c06c8.zip
tty: serial: mpc52xx_uart: move static declarations up.grafted
Avoid a compilation error so that they're not used before being declared. Fixes: 4d105880666a ("tty: serial: mpc52xx_uart: add bounds check for psc_num array index") Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202609260356.tJWbd1WU-lkp@intel.com/ Signed-off-by: Rosen Penev <rosenp@gmail.com> Link: https://patch.msgid.link/20260927203501.14105-1-rosenp@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/clocksource/timer-probe.c')
-rw-r--r--drivers/clocksource/timer-probe.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/clocksource/timer-probe.c b/drivers/clocksource/timer-probe.c
new file mode 100644
index 000000000..b7860bc0d
--- /dev/null
+++ b/drivers/clocksource/timer-probe.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
+ */
+
+#include <linux/acpi.h>
+#include <linux/init.h>
+#include <linux/of.h>
+#include <linux/clocksource.h>
+
+extern struct of_device_id __timer_of_table[];
+
+static const struct of_device_id __timer_of_table_sentinel
+ __used __section("__timer_of_table_end");
+
+void __init timer_probe(void)
+{
+ struct device_node *np;
+ const struct of_device_id *match;
+ of_init_fn_1_ret init_func_ret;
+ unsigned timers = 0;
+ int ret;
+
+ for_each_matching_node_and_match(np, __timer_of_table, &match) {
+ if (!of_device_is_available(np))
+ continue;
+
+ init_func_ret = match->data;
+
+ ret = init_func_ret(np);
+ if (ret) {
+ if (ret != -EPROBE_DEFER)
+ pr_err("Failed to initialize '%pOF': %d\n", np,
+ ret);
+ continue;
+ }
+
+ timers++;
+ }
+
+ timers += acpi_probe_device_table(timer);
+
+ if (!timers)
+ pr_crit("%s: no matching timers found\n", __func__);
+}