mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-04 09:59:32 +00:00
[POWERPC] Uartlite: bootwrapper bug fix, getc loops forever
Fixes inverted logic in uartlite_getc Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
This commit is contained in:
parent
4c3d514d7e
commit
17c5c20936
1 changed files with 2 additions and 2 deletions
|
@ -45,8 +45,8 @@ static void uartlite_putc(unsigned char c)
|
|||
|
||||
static unsigned char uartlite_getc(void)
|
||||
{
|
||||
u32 reg = ULITE_STATUS_RXVALID;
|
||||
while (reg & ULITE_STATUS_RXVALID) /* spin on RXVALID bit */
|
||||
u32 reg = 0;
|
||||
while (!(reg & ULITE_STATUS_RXVALID)) /* spin waiting for RXVALID bit */
|
||||
reg = in_be32(reg_base + ULITE_STATUS);
|
||||
return in_be32(reg_base + ULITE_RX);
|
||||
}
|
||||
|
|
Loading…
Reference in a new issue