firmware: imx: Save channel name for further use (04632698) · Commits · 戴 / test

We want to request / free channels on demand later in order to save power. For this for each channel we save the name and use it to reference the channel later. Signed-off-by:

Daniel Baluta <daniel.baluta@nxp.com> Reviewed-by:

Paul Olaru <paul.olaru@nxp.com> Signed-off-by:

Shawn Guo <shawnguo@kernel.org>

drivers/firmware/imx/imx-dsp.c

+3 −3

Original line number	Diff line number	Diff line
		@@ -79,6 +79,7 @@ static int imx_dsp_setup_channels(struct imx_dsp_ipc *dsp_ipc)
		return -ENOMEM;

		dsp_chan = &dsp_ipc->chans[i];
		dsp_chan->name = chan_name;
		cl = &dsp_chan->cl;
		cl->dev = dev;
		cl->tx_block = false;
		@@ -97,16 +98,14 @@ static int imx_dsp_setup_channels(struct imx_dsp_ipc *dsp_ipc)
		}

		dev_dbg(dev, "request mbox chan %s\n", chan_name);
		/* chan_name is not used anymore by framework */
		kfree(chan_name);
		}

		return 0;
		out:
		kfree(chan_name);
		for (j = 0; j < i; j++) {
		dsp_chan = &dsp_ipc->chans[j];
		mbox_free_channel(dsp_chan->ch);
		kfree(dsp_chan->name);
		}

		return ret;
		@@ -147,6 +146,7 @@ static int imx_dsp_remove(struct platform_device *pdev)
		for (i = 0; i < DSP_MU_CHAN_NUM; i++) {
		dsp_chan = &dsp_ipc->chans[i];
		mbox_free_channel(dsp_chan->ch);
		kfree(dsp_chan->name);
		}

		return 0;

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