Commit 53e656001ac6a4a53db4aacb040d12d9fef72bc6

Authored by aliguori
1 parent 41a2b959

serial: Always update iir, even when ier is empty (Samuel Thibault)

This fixes installation of Windows XP.

Signed-off-by: Samuel Thibault <samuel.thibault@eu.citrix.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4995 c046a42c-6fe2-441c-8c8c-71466251a162
Showing 1 changed file with 0 additions and 5 deletions
hw/serial.c
... ... @@ -189,11 +189,6 @@ static void serial_update_irq(SerialState *s)
189 189 {
190 190 uint8_t tmp_iir = UART_IIR_NO_INT;
191 191  
192   - if (!s->ier) {
193   - qemu_irq_lower(s->irq);
194   - return;
195   - }
196   -
197 192 if ((s->ier & UART_IER_RLSI) && (s->lsr & UART_LSR_INT_ANY)) {
198 193 tmp_iir = UART_IIR_RLSI;
199 194 } else if (s->timeout_ipending) {
... ...