hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

[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:
Grant Likely 2007-10-04 15:44:54 -06:00
parent 4c3d514d7e
commit 17c5c20936
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
arch/powerpc/boot/uartlite.c
View File

@ -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);
}