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hw/i2c: Make i2c_start_transfer() direction argument a boolean

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Make the argument representing the direction of the transfer a
boolean type.
Rename the boolean argument as 'is_recv' to match i2c_recv_send().
Document the function prototype.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <20200621145235.9E241745712@zero.eik.bme.hu>
[PMD: Split patch, added docstring]
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>
This commit is contained in:
BALATON Zoltan 2021-06-17 13:53:32 +02:00 • committed by Corey Minyard
parent c8665a5997
commit e656e38797
2 changed files with 13 additions and 3 deletions
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4
hw/i2c/core.c
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@ -115,7 +115,7 @@ bool i2c_scan_bus(I2CBus *bus, uint8_t address, bool broadcast,
* without releasing the bus. If that fails, the bus is still
* in a transaction.
*/
int i2c_start_transfer(I2CBus *bus, uint8_t address, int recv)
int i2c_start_transfer(I2CBus *bus, uint8_t address, bool is_recv)
{
I2CSlaveClass *sc;
I2CNode *node;
@ -157,7 +157,7 @@ int i2c_start_transfer(I2CBus *bus, uint8_t address, int recv)
if (sc->event) {
trace_i2c_event("start", s->address);
rv = sc->event(s, recv ? I2C_START_RECV : I2C_START_SEND);
rv = sc->event(s, is_recv ? I2C_START_RECV : I2C_START_SEND);
if (rv && !bus->broadcast) {
if (bus_scanned) {
/* First call, terminate the transfer. */