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Add 'const' keyword to chip write and other function prototypes

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Corresponding to flashrom svn r1789.

Inspired by and mostly based on a patch
Signed-off-by: Mark Marshall <mark.marshall@omicron.at>

Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
This commit is contained in:
Mark Marshall
2014-05-09 21:16:21 +00:00
committed by Stefan Tauner
parent 20da4aa82c
commit f20b7beff0
19 changed files with 82 additions and 117 deletions
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19
flashrom.c
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@ -463,8 +463,7 @@ void chip_writel(const struct flashctx *flash, uint32_t val, chipaddr addr)
flash->pgm->par.chip_writel(flash, val, addr);
}
void chip_writen(const struct flashctx *flash, uint8_t *buf, chipaddr addr,
size_t len)
void chip_writen(const struct flashctx *flash, const uint8_t *buf, chipaddr addr, size_t len)
{
flash->pgm->par.chip_writen(flash, buf, addr, len);
}
@ -627,7 +626,7 @@ static unsigned int count_usable_erasers(const struct flashctx *flash)
return usable_erasefunctions;
}
int compare_range(uint8_t *wantbuf, uint8_t *havebuf, unsigned int start, unsigned int len)
static int compare_range(const uint8_t *wantbuf, const uint8_t *havebuf, unsigned int start, unsigned int len)
{
int ret = 0, failcount = 0;
unsigned int i;
@ -671,7 +670,7 @@ int check_erased_range(struct flashctx *flash, unsigned int start,
* @len length of the verified area
* @return 0 for success, -1 for failure
*/
int verify_range(struct flashctx *flash, uint8_t *cmpbuf, unsigned int start, unsigned int len)
int verify_range(struct flashctx *flash, const uint8_t *cmpbuf, unsigned int start, unsigned int len)
{
uint8_t *readbuf = malloc(len);
int ret = 0;
@ -710,7 +709,7 @@ out_free:
}
/* Helper function for need_erase() that focuses on granularities of gran bytes. */
static int need_erase_gran_bytes(uint8_t *have, uint8_t *want, unsigned int len, unsigned int gran)
static int need_erase_gran_bytes(const uint8_t *have, const uint8_t *want, unsigned int len, unsigned int gran)
{
unsigned int i, j, limit;
for (j = 0; j < len / gran; j++) {
@ -740,7 +739,7 @@ static int need_erase_gran_bytes(uint8_t *have, uint8_t *want, unsigned int len,
* @gran write granularity (enum, not count)
* @return 0 if no erase is needed, 1 otherwise
*/
int need_erase(uint8_t *have, uint8_t *want, unsigned int len, enum write_granularity gran)
int need_erase(const uint8_t *have, const uint8_t *want, unsigned int len, enum write_granularity gran)
{
int result = 0;
unsigned int i;
@ -808,7 +807,7 @@ int need_erase(uint8_t *have, uint8_t *want, unsigned int len, enum write_granul
* in relation to the max write length of the programmer and the max write
* length of the chip.
*/
static unsigned int get_next_write(uint8_t *have, uint8_t *want, unsigned int len,
static unsigned int get_next_write(const uint8_t *have, const uint8_t *want, unsigned int len,
unsigned int *first_start,
enum write_granularity gran)
{
@ -1211,8 +1210,7 @@ int read_buf_from_file(unsigned char *buf, unsigned long size,
#endif
}
int write_buf_to_file(unsigned char *buf, unsigned long size,
const char *filename)
int write_buf_to_file(const unsigned char *buf, unsigned long size, const char *filename)
{
#ifdef __LIBPAYLOAD__
msg_gerr("Error: No file I/O support in libpayload\n");
@ -1456,8 +1454,7 @@ static int check_block_eraser(const struct flashctx *flash, int k, int log)
return 0;
}
int erase_and_write_flash(struct flashctx *flash, uint8_t *oldcontents,
uint8_t *newcontents)
int erase_and_write_flash(struct flashctx *flash, uint8_t *oldcontents, uint8_t *newcontents)
{
int k, ret = 1;
uint8_t *curcontents;