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authorPhilippe Mathieu-Daudé <f4bug@amsat.org>2021-06-17 13:53:25 +0200
committerCorey Minyard <cminyard@mvista.com>2021-07-08 14:15:01 -0500
commitf8ffea755c3377b2c4b1800c1709ddd98b19882c (patch)
tree8992e04b2eaf81e77e15802624858350ae367801 /hw/i2c
parentc699bf610bf814de478e81e0f1f375b386170ff5 (diff)
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.c13
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);