drivers/tty/synclink_gt.c

371 #define SSR   0x8e /* serial status */
2029 	while (rd_reg16(info, SSR) & IRQ_RXDATA) {
2059 	unsigned short status = rd_reg16(info, SSR);
2063 	wr_reg16(info, SSR, status); /* clear pending */
3858 	wr_reg16(info, SSR, IRQ_RXIDLE + IRQ_RXOVER);
3873 	wr_reg16(info, SSR, IRQ_RXOVER);
3939 			wr_reg16(info, SSR, (unsigned short)(IRQ_TXIDLE + IRQ_TXUNDER));
3944 			wr_reg16(info, SSR, IRQ_TXIDLE);
3968 	wr_reg16(info, SSR, (unsigned short)(IRQ_TXIDLE + IRQ_TXUNDER));
4409 	unsigned short status = rd_reg16(info, SSR);