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author | Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2022-10-05 12:21:55 +0300 |
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committer | Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2022-10-05 12:21:55 +0300 |
commit | edd1533d3ccd82dd5d600986d27d524e6be4c5fd (patch) | |
tree | 1ac5ae82ea63114d5c13212e2819531e4507f800 /lib/trace_readwrite.c | |
parent | 7d8fe4cfc54b5fb2093e12cffa8ca74d3c88e0fa (diff) | |
parent | 98d67f250472cdd0f8d083830be3ec9dbb0c65a8 (diff) | |
download | linux-edd1533d3ccd82dd5d600986d27d524e6be4c5fd.tar.xz |
Merge branch 'for-6.1/logitech' into for-linus
- Add hanlding of all Bluetooth HID++ devices and fixes in hid++
(Bastien Nocera)
Diffstat (limited to 'lib/trace_readwrite.c')
-rw-r--r-- | lib/trace_readwrite.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/lib/trace_readwrite.c b/lib/trace_readwrite.c new file mode 100644 index 000000000000..88637038b30c --- /dev/null +++ b/lib/trace_readwrite.c @@ -0,0 +1,47 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Register read and write tracepoints + * + * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#include <linux/ftrace.h> +#include <linux/module.h> +#include <asm-generic/io.h> + +#define CREATE_TRACE_POINTS +#include <trace/events/rwmmio.h> + +#ifdef CONFIG_TRACE_MMIO_ACCESS +void log_write_mmio(u64 val, u8 width, volatile void __iomem *addr, + unsigned long caller_addr) +{ + trace_rwmmio_write(caller_addr, val, width, addr); +} +EXPORT_SYMBOL_GPL(log_write_mmio); +EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_write); + +void log_post_write_mmio(u64 val, u8 width, volatile void __iomem *addr, + unsigned long caller_addr) +{ + trace_rwmmio_post_write(caller_addr, val, width, addr); +} +EXPORT_SYMBOL_GPL(log_post_write_mmio); +EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_post_write); + +void log_read_mmio(u8 width, const volatile void __iomem *addr, + unsigned long caller_addr) +{ + trace_rwmmio_read(caller_addr, width, addr); +} +EXPORT_SYMBOL_GPL(log_read_mmio); +EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_read); + +void log_post_read_mmio(u64 val, u8 width, const volatile void __iomem *addr, + unsigned long caller_addr) +{ + trace_rwmmio_post_read(caller_addr, val, width, addr); +} +EXPORT_SYMBOL_GPL(log_post_read_mmio); +EXPORT_TRACEPOINT_SYMBOL_GPL(rwmmio_post_read); +#endif /* CONFIG_TRACE_MMIO_ACCESS */ |