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authorPhilippe Mathieu-Daudé <f4bug@amsat.org>2021-06-17 13:53:28 +0200
committerCorey Minyard <cminyard@mvista.com>2021-07-08 14:15:01 -0500
commit4e367e65c29091951c9e94e108701003c6b61869 (patch)
treeb7197d5d516fe498fff4e4ed5fc63b71433d1664 /hw/misc
parent80675e193c2b99f148528be47b1ced86ac70ddbe (diff)
downloadqemu-4e367e65c29091951c9e94e108701003c6b61869.zip
hw/misc/auxbus: Replace 'is_write' boolean by its value
Remove the 'is_write' boolean by directly using its value in place. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Acked-by: Corey Minyard <cminyard@mvista.com> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Corey Minyard <cminyard@mvista.com>
Diffstat (limited to 'hw/misc')
-rw-r--r--hw/misc/auxbus.c28
1 files changed, 11 insertions, 17 deletions
diff --git a/hw/misc/auxbus.c b/hw/misc/auxbus.c
index 9cc9cf3be3..d96219aef8 100644
--- a/hw/misc/auxbus.c
+++ b/hw/misc/auxbus.c
@@ -106,7 +106,6 @@ AUXReply aux_request(AUXBus *bus, AUXCommand cmd, uint32_t address,
AUXReply ret = AUX_NACK;
I2CBus *i2c_bus = aux_get_i2c_bus(bus);
size_t i;
- bool is_write = false;
DPRINTF("request at address 0x%" PRIX32 ", command %u, len %u\n", address,
cmd, len);
@@ -117,11 +116,10 @@ AUXReply aux_request(AUXBus *bus, AUXCommand cmd, uint32_t address,
*/
case WRITE_AUX:
case READ_AUX:
- is_write = cmd == READ_AUX ? false : true;
for (i = 0; i < len; i++) {
if (!address_space_rw(&bus->aux_addr_space, address++,
MEMTXATTRS_UNSPECIFIED, data++, 1,
- is_write)) {
+ cmd == WRITE_AUX)) {
ret = AUX_I2C_ACK;
} else {
ret = AUX_NACK;
@@ -133,19 +131,18 @@ AUXReply aux_request(AUXBus *bus, AUXCommand cmd, uint32_t address,
* Classic I2C transactions..
*/
case READ_I2C:
- is_write = cmd == READ_I2C ? false : true;
if (i2c_bus_busy(i2c_bus)) {
i2c_end_transfer(i2c_bus);
}
- if (i2c_start_transfer(i2c_bus, address, !is_write)) {
+ if (i2c_start_transfer(i2c_bus, address, true)) {
ret = AUX_I2C_NACK;
break;
}
ret = AUX_I2C_ACK;
while (len > 0) {
- if (i2c_send_recv(i2c_bus, data++, is_write) < 0) {
+ if (i2c_send_recv(i2c_bus, data++, false) < 0) {
ret = AUX_I2C_NACK;
break;
}
@@ -154,19 +151,18 @@ AUXReply aux_request(AUXBus *bus, AUXCommand cmd, uint32_t address,
i2c_end_transfer(i2c_bus);
break;
case WRITE_I2C:
- is_write = cmd == READ_I2C ? false : true;
if (i2c_bus_busy(i2c_bus)) {
i2c_end_transfer(i2c_bus);
}
- if (i2c_start_transfer(i2c_bus, address, !is_write)) {
+ if (i2c_start_transfer(i2c_bus, address, false)) {
ret = AUX_I2C_NACK;
break;
}
ret = AUX_I2C_ACK;
while (len > 0) {
- if (i2c_send_recv(i2c_bus, data++, is_write) < 0) {
+ if (i2c_send_recv(i2c_bus, data++, true) < 0) {
ret = AUX_I2C_NACK;
break;
}
@@ -183,13 +179,12 @@ AUXReply aux_request(AUXBus *bus, AUXCommand cmd, uint32_t address,
* - We changed the address.
*/
case WRITE_I2C_MOT:
- is_write = cmd == READ_I2C_MOT ? false : true;
ret = AUX_I2C_NACK;
if (!i2c_bus_busy(i2c_bus)) {
/*
* No transactions started..
*/
- if (i2c_start_transfer(i2c_bus, address, !is_write)) {
+ if (i2c_start_transfer(i2c_bus, address, false)) {
break;
}
} else if ((address != bus->last_i2c_address) ||
@@ -198,7 +193,7 @@ AUXReply aux_request(AUXBus *bus, AUXCommand cmd, uint32_t address,
* Transaction started but we need to restart..
*/
i2c_end_transfer(i2c_bus);
- if (i2c_start_transfer(i2c_bus, address, !is_write)) {
+ if (i2c_start_transfer(i2c_bus, address, false)) {
break;
}
}
@@ -206,7 +201,7 @@ AUXReply aux_request(AUXBus *bus, AUXCommand cmd, uint32_t address,
bus->last_transaction = cmd;
bus->last_i2c_address = address;
while (len > 0) {
- if (i2c_send_recv(i2c_bus, data++, is_write) < 0) {
+ if (i2c_send_recv(i2c_bus, data++, true) < 0) {
i2c_end_transfer(i2c_bus);
break;
}
@@ -217,13 +212,12 @@ AUXReply aux_request(AUXBus *bus, AUXCommand cmd, uint32_t address,
}
break;
case READ_I2C_MOT:
- is_write = cmd == READ_I2C_MOT ? false : true;
ret = AUX_I2C_NACK;
if (!i2c_bus_busy(i2c_bus)) {
/*
* No transactions started..
*/
- if (i2c_start_transfer(i2c_bus, address, !is_write)) {
+ if (i2c_start_transfer(i2c_bus, address, true)) {
break;
}
} else if ((address != bus->last_i2c_address) ||
@@ -232,7 +226,7 @@ AUXReply aux_request(AUXBus *bus, AUXCommand cmd, uint32_t address,
* Transaction started but we need to restart..
*/
i2c_end_transfer(i2c_bus);
- if (i2c_start_transfer(i2c_bus, address, !is_write)) {
+ if (i2c_start_transfer(i2c_bus, address, true)) {
break;
}
}
@@ -240,7 +234,7 @@ AUXReply aux_request(AUXBus *bus, AUXCommand cmd, uint32_t address,
bus->last_transaction = cmd;
bus->last_i2c_address = address;
while (len > 0) {
- if (i2c_send_recv(i2c_bus, data++, is_write) < 0) {
+ if (i2c_send_recv(i2c_bus, data++, false) < 0) {
i2c_end_transfer(i2c_bus);
break;
}