linux-kernel - [PATCH 4.14 28/52] ASoC: Intel: sst: remove redundant variable dma_dev

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Message-Id: <20180604065607.696895370@linuxfoundation.org>
Date:   Mon,  4 Jun 2018 08:58:23 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Colin Ian King <colin.king@...onical.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Mark Brown <broonie@...nel.org>,
        Guenter Roeck <linux@...ck-us.net>
Subject: [PATCH 4.14 28/52] ASoC: Intel: sst: remove redundant variable dma_dev_name

4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Colin Ian King <colin.king@...onical.com>

commit 271ef65b5882425d500e969e875c98e47a6b0c86 upstream.

The pointer dma_dev_name is assigned but never read, it is redundant
and can therefore be removed.

Cleans up clang warning:
sound/soc/intel/common/sst-firmware.c:288:3: warning: Value stored to
'dma_dev_name' is never read

Signed-off-by: Colin Ian King <colin.king@...onical.com>
Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Signed-off-by: Mark Brown <broonie@...nel.org>
Cc: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 sound/soc/intel/common/sst-firmware.c |    2 --
 1 file changed, 2 deletions(-)

--- a/sound/soc/intel/common/sst-firmware.c
+++ b/sound/soc/intel/common/sst-firmware.c
@@ -274,7 +274,6 @@ int sst_dma_new(struct sst_dsp *sst)
 	struct sst_pdata *sst_pdata = sst->pdata;
 	struct sst_dma *dma;
 	struct resource mem;
-	const char *dma_dev_name;
 	int ret = 0;
 
 	if (sst->pdata->resindex_dma_base == -1)
@@ -285,7 +284,6 @@ int sst_dma_new(struct sst_dsp *sst)
 	* is attached to the ADSP IP. */
 	switch (sst->pdata->dma_engine) {
 	case SST_DMA_TYPE_DW:
-		dma_dev_name = "dw_dmac";
 		break;
 	default:
 		dev_err(sst->dev, "error: invalid DMA engine %d\n",