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Diffstat (limited to 'drivers/firmware')
-rw-r--r--drivers/firmware/arm_scmi/driver.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c
index bfc35d7c7dbd..6c77fcc1bcb7 100644
--- a/drivers/firmware/arm_scmi/driver.c
+++ b/drivers/firmware/arm_scmi/driver.c
@@ -600,6 +600,13 @@ static inline void scmi_xfer_command_release(struct scmi_info *info,
__scmi_xfer_put(&info->tx_minfo, xfer);
}
+static inline void scmi_clear_channel(struct scmi_info *info,
+ struct scmi_chan_info *cinfo)
+{
+ if (info->desc->ops->clear_channel)
+ info->desc->ops->clear_channel(cinfo);
+}
+
static void scmi_handle_notification(struct scmi_chan_info *cinfo, u32 msg_hdr)
{
struct scmi_xfer *xfer;
@@ -613,7 +620,7 @@ static void scmi_handle_notification(struct scmi_chan_info *cinfo, u32 msg_hdr)
if (IS_ERR(xfer)) {
dev_err(dev, "failed to get free message slot (%ld)\n",
PTR_ERR(xfer));
- info->desc->ops->clear_channel(cinfo);
+ scmi_clear_channel(info, cinfo);
return;
}
@@ -629,7 +636,7 @@ static void scmi_handle_notification(struct scmi_chan_info *cinfo, u32 msg_hdr)
__scmi_xfer_put(minfo, xfer);
- info->desc->ops->clear_channel(cinfo);
+ scmi_clear_channel(info, cinfo);
}
static void scmi_handle_response(struct scmi_chan_info *cinfo, u32 msg_hdr)
@@ -639,7 +646,7 @@ static void scmi_handle_response(struct scmi_chan_info *cinfo, u32 msg_hdr)
xfer = scmi_xfer_command_acquire(cinfo, msg_hdr);
if (IS_ERR(xfer)) {
- info->desc->ops->clear_channel(cinfo);
+ scmi_clear_channel(info, cinfo);
return;
}
@@ -654,7 +661,7 @@ static void scmi_handle_response(struct scmi_chan_info *cinfo, u32 msg_hdr)
xfer->hdr.type);
if (xfer->hdr.type == MSG_TYPE_DELAYED_RESP) {
- info->desc->ops->clear_channel(cinfo);
+ scmi_clear_channel(info, cinfo);
complete(xfer->async_done);
} else {
complete(&xfer->done);