From mboxrd@z Thu Jan 1 00:00:00 1970 From: mpa@pengutronix.de (Markus Pargmann) Date: Mon, 25 Nov 2013 12:13:45 +0100 Subject: [PATCH v2 9/9] ASoC: fsl-ssi: Drop AC97 debug register usage In-Reply-To: <1385378025-1262-1-git-send-email-mpa@pengutronix.de> References: <1385378025-1262-1-git-send-email-mpa@pengutronix.de> Message-ID: <1385378025-1262-10-git-send-email-mpa@pengutronix.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org In i.MX27 reference manual the SOR register is listed for debugging purpose only. In mx50 and later, this register is not even listed anymore. We shouldn't use a debug register for normal operation. Signed-off-by: Markus Pargmann --- sound/soc/fsl/fsl_ssi.c | 9 --------- 1 file changed, 9 deletions(-) diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index cf55da0..befe1ed 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -620,8 +620,6 @@ static void fsl_ssi_setup_ac97(struct fsl_ssi_private *ssi_private) */ write_ssi_mask(&ssi->scr, 0, CCSR_SSI_SCR_SSIEN | CCSR_SSI_SCR_TE | CCSR_SSI_SCR_RE); - - write_ssi(CCSR_SSI_SOR_WAIT(3), &ssi->sor); } static int fsl_ssi_setup(struct fsl_ssi_private *ssi_private) @@ -850,13 +848,6 @@ static int fsl_ssi_trigger(struct snd_pcm_substream *substream, int cmd, return -EINVAL; } - if (ssi_private->imx_ac97) { - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - write_ssi(CCSR_SSI_SOR_TX_CLR, &ssi->sor); - else - write_ssi(CCSR_SSI_SOR_RX_CLR, &ssi->sor); - } - return 0; } -- 1.8.4.2