Merge "drivers: mailbox: relax CPU to allow interrupt handlers to run" (15559f77) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/mailbox/qti-tcs.c

+2 −8

Original line number	Diff line number	Diff line
		@@ -852,7 +852,6 @@ static int chan_tcs_write(struct mbox_chan chan, void data)
		struct tcs_mbox_msg *msg = data;
		const struct device *dev = chan->cl->dev;
		int ret = 0;
		int count = 0;

		if (!msg) {
		dev_err(dev, "Payload error\n");
		@@ -894,12 +893,7 @@ static int chan_tcs_write(struct mbox_chan chan, void data)
		tcs_mbox_invalidate(chan);

		/* Post the message to the TCS and trigger */
		do {
		ret = tcs_mbox_write(chan, msg, true);
		if (ret != -EBUSY)
		break;
		udelay(100);
		} while (++count < 100);

		tx_fail:
		/* If there was an error in the request, schedule a response */
		@@ -915,7 +909,7 @@ static int chan_tcs_write(struct mbox_chan chan, void data)

		/* If we were just busy waiting for TCS, dump the state and return */
		if (ret == -EBUSY) {
		dev_err(dev, "TCS Busy, retrying RPMH message send\n");
		pr_info("TCS Busy, retrying RPMH message send\n");
		dump_tcs_stats(drv);
		ret = -EAGAIN;
		}