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staging: fbtft: Constify buf parameter in fbtft_dbg_hex()

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It's obvious that we don't and shouldn't modify buffer that
is about to be dumped. Constify parameter in fbtft_dbg_hex()
to make it clear.

Fixes: c296d5f995 ("staging: fbtft: core support")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220316165351.58107-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Andy Shevchenko 2022-03-16 18:53:50 +02:00 committed by Greg Kroah-Hartman
parent 9b63000010
commit 0e8cf2be5c
2 changed files with 2 additions and 2 deletions
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2
drivers/staging/fbtft/fbtft-core.c
View File

@ -49,7 +49,7 @@ int fbtft_write_buf_dc(struct fbtft_par *par, void *buf, size_t len, int dc)
EXPORT_SYMBOL(fbtft_write_buf_dc);
void fbtft_dbg_hex(const struct device *dev, int groupsize,
void *buf, size_t len, const char *fmt, ...)
const void *buf, size_t len, const char *fmt, ...)
{
va_list args;
static char textbuf[512];

2
drivers/staging/fbtft/fbtft.h
View File

@ -240,7 +240,7 @@ struct fbtft_par {
int fbtft_write_buf_dc(struct fbtft_par *par, void *buf, size_t len, int dc);
__printf(5, 6)
void fbtft_dbg_hex(const struct device *dev, int groupsize,
void *buf, size_t len, const char *fmt, ...);
const void *buf, size_t len, const char *fmt, ...);
struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display,
struct device *dev,
struct fbtft_platform_data *pdata);