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staging: fbtft: remove unused function fbtft_write_gpio16_wr_latched

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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>
This commit is contained in:
Hungyu Lin 2026-04-30 10:25:29 +00:00 committed by Greg Kroah-Hartman
parent d845a18746
commit 617a446d0e
2 changed files with 0 additions and 8 deletions
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7
drivers/staging/fbtft/fbtft-io.c
View File

@ -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);

1
drivers/staging/fbtft/fbtft.h
View File

@ -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);