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milkymist-uart: use qemu_chr_fe_write_all() instead of qemu_chr_fe_write() 

qemu_chr_fe_write() is capable of returning 0
to indicate EAGAIN (and friends) and we don't
handle this.

Just change it to qemu_chr_fe_write_all() to fix.

Reported-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Acked-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Antony Pavlov 2013-08-31 21:22:39 +04:00 committed by Michael Walle
parent f40c49ac9f
commit b2c623a3d9
1 changed files with 1 additions and 1 deletions
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2
hw/char/milkymist-uart.c
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@ -124,7 +124,7 @@ static void uart_write(void *opaque, hwaddr addr, uint64_t value,
switch (addr) { switch (addr) {
case R_RXTX: case R_RXTX:
if (s->chr) { if (s->chr) {
qemu_chr_fe_write(s->chr, &ch, 1); qemu_chr_fe_write_all(s->chr, &ch, 1);
} }
s->regs[R_STAT] |= STAT_TX_EVT; s->regs[R_STAT] |= STAT_TX_EVT;
break; break;