4.19-stable review patch. If anyone has any objections, please let me know.
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From: Alexandru Ardelean alexandru.ardelean@analog.com
[ Upstream commit ebe5112535b5cf389ca7d337cf6a0c1d885f9880 ]
Mostly a tidy-up. But also helps to understand the limits of scope of these functions and globals.
Signed-off-by: Alexandru Ardelean alexandru.ardelean@analog.com Link: https://lore.kernel.org/r/20210215104043.91251-24-alexandru.ardelean@analog.... Signed-off-by: Jonathan Cameron Jonathan.Cameron@huawei.com Stable-dep-of: 2d3dff577dd0 ("tools: iio: iio_generic_buffer ensure alignment") Signed-off-by: Sasha Levin sashal@kernel.org --- tools/iio/iio_generic_buffer.c | 31 +++++++++++++++---------------- 1 file changed, 15 insertions(+), 16 deletions(-)
diff --git a/tools/iio/iio_generic_buffer.c b/tools/iio/iio_generic_buffer.c index 84545666a09c4..9a5af0f6592dc 100644 --- a/tools/iio/iio_generic_buffer.c +++ b/tools/iio/iio_generic_buffer.c @@ -53,7 +53,7 @@ enum autochan { * Has the side effect of filling the channels[i].location values used * in processing the buffer output. **/ -int size_from_channelarray(struct iio_channel_info *channels, int num_channels) +static int size_from_channelarray(struct iio_channel_info *channels, int num_channels) { int bytes = 0; int i = 0; @@ -72,7 +72,7 @@ int size_from_channelarray(struct iio_channel_info *channels, int num_channels) return bytes; }
-void print1byte(uint8_t input, struct iio_channel_info *info) +static void print1byte(uint8_t input, struct iio_channel_info *info) { /* * Shift before conversion to avoid sign extension @@ -89,7 +89,7 @@ void print1byte(uint8_t input, struct iio_channel_info *info) } }
-void print2byte(uint16_t input, struct iio_channel_info *info) +static void print2byte(uint16_t input, struct iio_channel_info *info) { /* First swap if incorrect endian */ if (info->be) @@ -112,7 +112,7 @@ void print2byte(uint16_t input, struct iio_channel_info *info) } }
-void print4byte(uint32_t input, struct iio_channel_info *info) +static void print4byte(uint32_t input, struct iio_channel_info *info) { /* First swap if incorrect endian */ if (info->be) @@ -135,7 +135,7 @@ void print4byte(uint32_t input, struct iio_channel_info *info) } }
-void print8byte(uint64_t input, struct iio_channel_info *info) +static void print8byte(uint64_t input, struct iio_channel_info *info) { /* First swap if incorrect endian */ if (info->be) @@ -171,9 +171,8 @@ void print8byte(uint64_t input, struct iio_channel_info *info) * to fill the location offsets. * @num_channels: number of channels **/ -void process_scan(char *data, - struct iio_channel_info *channels, - int num_channels) +static void process_scan(char *data, struct iio_channel_info *channels, + int num_channels) { int k;
@@ -242,7 +241,7 @@ static int enable_disable_all_channels(char *dev_dir_name, int enable) return 0; }
-void print_usage(void) +static void print_usage(void) { fprintf(stderr, "Usage: generic_buffer [options]...\n" "Capture, convert and output data from IIO device buffer\n" @@ -261,12 +260,12 @@ void print_usage(void) " -w <n> Set delay between reads in us (event-less mode)\n"); }
-enum autochan autochannels = AUTOCHANNELS_DISABLED; -char *dev_dir_name = NULL; -char *buf_dir_name = NULL; -bool current_trigger_set = false; +static enum autochan autochannels = AUTOCHANNELS_DISABLED; +static char *dev_dir_name = NULL; +static char *buf_dir_name = NULL; +static bool current_trigger_set = false;
-void cleanup(void) +static void cleanup(void) { int ret;
@@ -298,14 +297,14 @@ void cleanup(void) } }
-void sig_handler(int signum) +static void sig_handler(int signum) { fprintf(stderr, "Caught signal %d\n", signum); cleanup(); exit(-signum); }
-void register_cleanup(void) +static void register_cleanup(void) { struct sigaction sa = { .sa_handler = sig_handler }; const int signums[] = { SIGINT, SIGTERM, SIGABRT };