diff options
| author | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2021-06-17 13:53:25 +0200 |
|---|---|---|
| committer | Corey Minyard <cminyard@mvista.com> | 2021-07-08 14:15:01 -0500 |
| commit | f8ffea755c3377b2c4b1800c1709ddd98b19882c (patch) | |
| tree | 8992e04b2eaf81e77e15802624858350ae367801 /hw/i2c | |
| parent | c699bf610bf814de478e81e0f1f375b386170ff5 (diff) | |
| download | focaccia-qemu-f8ffea755c3377b2c4b1800c1709ddd98b19882c.tar.gz focaccia-qemu-f8ffea755c3377b2c4b1800c1709ddd98b19882c.zip | |
hw/i2c/ppc4xx_i2c: Replace i2c_send_recv() by i2c_recv() & i2c_send()
Instead of using the confuse i2c_send_recv(), rewrite to directly call i2c_recv() & i2c_send(), resulting in code easier to review. 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/i2c')
| -rw-r--r-- | hw/i2c/ppc4xx_i2c.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/hw/i2c/ppc4xx_i2c.c b/hw/i2c/ppc4xx_i2c.c index f4c5bc12d3..75d50f1515 100644 --- a/hw/i2c/ppc4xx_i2c.c +++ b/hw/i2c/ppc4xx_i2c.c @@ -240,11 +240,14 @@ static void ppc4xx_i2c_writeb(void *opaque, hwaddr addr, uint64_t value, i2c->sts &= ~IIC_STS_ERR; } } - if (!(i2c->sts & IIC_STS_ERR) && - i2c_send_recv(i2c->bus, &i2c->mdata[i], !recv)) { - i2c->sts |= IIC_STS_ERR; - i2c->extsts |= IIC_EXTSTS_XFRA; - break; + if (!(i2c->sts & IIC_STS_ERR)) { + if (recv) { + i2c->mdata[i] = i2c_recv(i2c->bus); + } else if (i2c_send(i2c->bus, i2c->mdata[i]) < 0) { + i2c->sts |= IIC_STS_ERR; + i2c->extsts |= IIC_EXTSTS_XFRA; + break; + } } if (value & IIC_CNTL_RPST || !(value & IIC_CNTL_CHT)) { i2c_end_transfer(i2c->bus); |