diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/firmware/mtk-adsp-ipc.c | 36 |
1 files changed, 12 insertions, 24 deletions
diff --git a/drivers/firmware/mtk-adsp-ipc.c b/drivers/firmware/mtk-adsp-ipc.c index cb255a99170c..3c071f814455 100644 --- a/drivers/firmware/mtk-adsp-ipc.c +++ b/drivers/firmware/mtk-adsp-ipc.c @@ -12,6 +12,8 @@ #include <linux/platform_device.h> #include <linux/slab.h> +static const char * const adsp_mbox_ch_names[MTK_ADSP_MBOX_NUM] = { "rx", "tx" }; + /* * mtk_adsp_ipc_send - send ipc cmd to MTK ADSP * @@ -72,7 +74,6 @@ static int mtk_adsp_ipc_probe(struct platform_device *pdev) struct mtk_adsp_ipc *adsp_ipc; struct mtk_adsp_chan *adsp_chan; struct mbox_client *cl; - char *chan_name; int ret; int i, j; @@ -83,12 +84,6 @@ static int mtk_adsp_ipc_probe(struct platform_device *pdev) return -ENOMEM; for (i = 0; i < MTK_ADSP_MBOX_NUM; i++) { - chan_name = kasprintf(GFP_KERNEL, "mbox%d", i); - if (!chan_name) { - ret = -ENOMEM; - goto out; - } - adsp_chan = &adsp_ipc->chans[i]; cl = &adsp_chan->cl; cl->dev = dev->parent; @@ -99,17 +94,20 @@ static int mtk_adsp_ipc_probe(struct platform_device *pdev) adsp_chan->ipc = adsp_ipc; adsp_chan->idx = i; - adsp_chan->ch = mbox_request_channel_byname(cl, chan_name); + adsp_chan->ch = mbox_request_channel_byname(cl, adsp_mbox_ch_names[i]); if (IS_ERR(adsp_chan->ch)) { ret = PTR_ERR(adsp_chan->ch); if (ret != -EPROBE_DEFER) - dev_err(dev, "Failed to request mbox chan %d ret %d\n", - i, ret); - goto out_free; - } + dev_err(dev, "Failed to request mbox chan %s ret %d\n", + adsp_mbox_ch_names[i], ret); + + for (j = 0; j < i; j++) { + adsp_chan = &adsp_ipc->chans[j]; + mbox_free_channel(adsp_chan->ch); + } - dev_dbg(dev, "request mbox chan %s\n", chan_name); - kfree(chan_name); + return ret; + } } adsp_ipc->dev = dev; @@ -117,16 +115,6 @@ static int mtk_adsp_ipc_probe(struct platform_device *pdev) dev_dbg(dev, "MTK ADSP IPC initialized\n"); return 0; - -out_free: - kfree(chan_name); -out: - for (j = 0; j < i; j++) { - adsp_chan = &adsp_ipc->chans[j]; - mbox_free_channel(adsp_chan->ch); - } - - return ret; } static int mtk_adsp_ipc_remove(struct platform_device *pdev) |