staging: fbtft: remove unused function fbtft_write_gpio16_wr_latched

The function fbtft_write_gpio16_wr_latched is not referenced anywhere
in the driver and only contains a stub implementation.

Remove it from the driver.

Signed-off-by: Hungyu Lin <dennylin0707@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Link: https://patch.msgid.link/20260430102529.25019-1-dennylin0707@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/fbtft/fbtft-io.c b/drivers/staging/fbtft/fbtft-io.c
index de1904a443c277364309dcfeb628bc3e41b25ae8..7d331eba947aa12891f81bdf827c681370b8fbb0 100644 (file)
--- a/drivers/staging/fbtft/fbtft-io.c
+++ b/drivers/staging/fbtft/fbtft-io.c
@@ -227,10 +227,3 @@ int fbtft_write_gpio16_wr(struct fbtft_par *par, void *buf, size_t len)
        return 0;
 }
 EXPORT_SYMBOL(fbtft_write_gpio16_wr);
-
-int fbtft_write_gpio16_wr_latched(struct fbtft_par *par, void *buf, size_t len)
-{
-       dev_err(par->info->device, "%s: function not implemented\n", __func__);
-       return -1;
-}
-EXPORT_SYMBOL(fbtft_write_gpio16_wr_latched);

diff --git a/drivers/staging/fbtft/fbtft.h b/drivers/staging/fbtft/fbtft.h
index 317be17b95c1672404fc6aecda24d0a1f563685d..c7afb0fd394335d4da88be0cd0d7108e4c02e26f 100644 (file)
--- a/drivers/staging/fbtft/fbtft.h
+++ b/drivers/staging/fbtft/fbtft.h
@@ -262,7 +262,6 @@ int fbtft_write_spi_emulate_9(struct fbtft_par *par, void *buf, size_t len);
 int fbtft_read_spi(struct fbtft_par *par, void *buf, size_t len);
 int fbtft_write_gpio8_wr(struct fbtft_par *par, void *buf, size_t len);
 int fbtft_write_gpio16_wr(struct fbtft_par *par, void *buf, size_t len);
-int fbtft_write_gpio16_wr_latched(struct fbtft_par *par, void *buf, size_t len);
 
 /* fbtft-bus.c */
 int fbtft_write_vmem8_bus8(struct fbtft_par *par, size_t offset, size_t len);