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Searched refs:rbdf (Results 1 – 2 of 2) sorted by relevance

/Linux-v5.4/arch/powerpc/boot/
Dcpm-serial.c75 static struct cpm_bd *tbdf, *rbdf; variable
146 rbdf = cbd_addr; in cpm_serial_open()
147 rbdf->addr = (u8 *)rbdf - 1; in cpm_serial_open()
148 rbdf->sc = 0xa000; in cpm_serial_open()
149 rbdf->len = 1; in cpm_serial_open()
151 tbdf = rbdf + 1; in cpm_serial_open()
152 tbdf->addr = (u8 *)rbdf - 2; in cpm_serial_open()
181 return !(rbdf->sc & 0x8000); in cpm_serial_tstc()
192 c = rbdf->addr[0]; in cpm_serial_getc()
194 rbdf->sc |= 0x8000; in cpm_serial_getc()
/Linux-v5.4/drivers/i2c/busses/
Di2c-cpm.c182 cbd_t __iomem *rbdf; in cpm_i2c_parse_message() local
189 rbdf = cpm->rbase + rx; in cpm_i2c_parse_message()
219 out_be16(&rbdf->cbd_datlen, 0); in cpm_i2c_parse_message()
220 out_be16(&rbdf->cbd_sc, BD_SC_EMPTY | BD_SC_INTRPT); in cpm_i2c_parse_message()
223 setbits16(&rbdf->cbd_sc, BD_SC_WRAP); in cpm_i2c_parse_message()
241 cbd_t __iomem *rbdf; in cpm_i2c_check_message() local
247 rbdf = cpm->rbase + rx; in cpm_i2c_check_message()
258 in_be16(&tbdf->cbd_sc), in_be16(&rbdf->cbd_sc)); in cpm_i2c_check_message()
264 if (in_be16(&rbdf->cbd_sc) & BD_SC_EMPTY) { in cpm_i2c_check_message()
269 if (in_be16(&rbdf->cbd_sc) & BD_SC_OV) { in cpm_i2c_check_message()
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