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mfd: ezx-pcap: Remove unused pcap_adc_sync 

pcap_adc_sync() was added in 2009 by commit 13a09f93d2 ("mfd: add PCAP
driver") but has remained unused; the async version is still used.

Remove it.

Signed-off-by: "Dr. David Alan Gilbert" <linux@treblig.org>
Link: https://lore.kernel.org/r/20250306011027.257021-1-linux@treblig.org
Signed-off-by: Lee Jones <lee@kernel.org>
pull/1188/head
Dr. David Alan Gilbert 2025-03-06 01:10:27 +00:00 committed by Lee Jones
parent c105c555f8
commit 0d1217ab7f
2 changed files with 0 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
drivers/mfd/ezx-pcap.c
View File

@ -25,11 +25,6 @@ struct pcap_adc_request {
void *data; void *data;
}; };
struct pcap_adc_sync_request {
u16 res[2];
struct completion completion;
};
struct pcap_chip { struct pcap_chip {
struct spi_device *spi; struct spi_device *spi;
@ -335,34 +330,6 @@ int pcap_adc_async(struct pcap_chip *pcap, u8 bank, u32 flags, u8 ch[],
} }
EXPORT_SYMBOL_GPL(pcap_adc_async); EXPORT_SYMBOL_GPL(pcap_adc_async);
static void pcap_adc_sync_cb(void *param, u16 res[])
{
struct pcap_adc_sync_request *req = param;
req->res[0] = res[0];
req->res[1] = res[1];
complete(&req->completion);
}
int pcap_adc_sync(struct pcap_chip *pcap, u8 bank, u32 flags, u8 ch[],
u16 res[])
{
struct pcap_adc_sync_request sync_data;
int ret;
init_completion(&sync_data.completion);
ret = pcap_adc_async(pcap, bank, flags, ch, pcap_adc_sync_cb,
&sync_data);
if (ret)
return ret;
wait_for_completion(&sync_data.completion);
res[0] = sync_data.res[0];
res[1] = sync_data.res[1];
return 0;
}
EXPORT_SYMBOL_GPL(pcap_adc_sync);
/* subdevs */ /* subdevs */
static int pcap_remove_subdev(struct device *dev, void *unused) static int pcap_remove_subdev(struct device *dev, void *unused)
{ {

1
include/linux/mfd/ezx-pcap.h
View File

@ -31,7 +31,6 @@ int ezx_pcap_set_bits(struct pcap_chip *, u8, u32, u32);
int pcap_to_irq(struct pcap_chip *, int); int pcap_to_irq(struct pcap_chip *, int);
int irq_to_pcap(struct pcap_chip *, int); int irq_to_pcap(struct pcap_chip *, int);
int pcap_adc_async(struct pcap_chip *, u8, u32, u8[], void *, void *); int pcap_adc_async(struct pcap_chip *, u8, u32, u8[], void *, void *);
int pcap_adc_sync(struct pcap_chip *, u8, u32, u8[], u16[]);
void pcap_set_ts_bits(struct pcap_chip *, u32); void pcap_set_ts_bits(struct pcap_chip *, u32);
#define PCAP_SECOND_PORT 1 #define PCAP_SECOND_PORT 1