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spi: Fix style violation and improve code

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This patch fixes a printf specifier style violation, reduces the scope
of a variable, and turns a void pointer that is used with pointer
arithmetic into a u8 pointer.

Signed-off-by: Mario Six <mario.six@gdsys.cc>
Reviewed-by: Jagan Teki <jagan@openedev.com>
This commit is contained in:
Mario Six 2018-01-15 11:08:35 +01:00 • committed by Jagan Teki
parent 1312906416
commit 547bcc3d18
1 changed files with 4 additions and 3 deletions
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7
drivers/spi/spi.c
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@ -12,7 +12,7 @@
int spi_set_wordlen(struct spi_slave *slave, unsigned int wordlen)
{
if (wordlen == 0 || wordlen > 32) {
printf("spi: invalid wordlen %d\n", wordlen);
printf("spi: invalid wordlen %u\n", wordlen);
return -1;
}
@ -24,11 +24,12 @@ int spi_set_wordlen(struct spi_slave *slave, unsigned int wordlen)
void *spi_do_alloc_slave(int offset, int size, unsigned int bus,
unsigned int cs)
{
struct spi_slave *slave;
void *ptr;
u8 *ptr;
ptr = malloc(size);
if (ptr) {
struct spi_slave *slave;
memset(ptr, '\0', size);
slave = (struct spi_slave *)(ptr + offset);
slave->bus = bus;