@@ -1027,7 +1027,6 @@ ssize_t analogix_dp_transfer(struct analogix_dp_device *dp,
u32 status_reg;
u8 *buffer = msg->buffer;
unsigned int i;
- int num_transferred = 0;
int ret;
/* Buffer size of AUX CH is 16 bytes */
@@ -1079,7 +1078,6 @@ ssize_t analogix_dp_transfer(struct analogix_dp_device *dp,
reg = buffer[i];
writel(reg, dp->reg_base + ANALOGIX_DP_BUF_DATA_0 +
4 * i);
- num_transferred++;
}
}
@@ -1127,7 +1125,6 @@ ssize_t analogix_dp_transfer(struct analogix_dp_device *dp,
reg = readl(dp->reg_base + ANALOGIX_DP_BUF_DATA_0 +
4 * i);
buffer[i] = (unsigned char)reg;
- num_transferred++;
}
}
@@ -1144,7 +1141,7 @@ ssize_t analogix_dp_transfer(struct analogix_dp_device *dp,
(msg->request & ~DP_AUX_I2C_MOT) == DP_AUX_NATIVE_READ)
msg->reply = DP_AUX_NATIVE_REPLY_ACK;
- return num_transferred > 0 ? num_transferred : -EBUSY;
+ return msg->size;
aux_error:
/* if aux err happen, reset aux */
Address only transactions without any data are valid and should not be flagged as short transactions. Simply return the message size when no transaction errors occured. CC: stable@vger.kernel.org Signed-off-by: Lucas Stach <l.stach@pengutronix.de> --- drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)