linux-kernel - [PATCH 5/7] ASoC: fsl_sai: Move res variable to be global

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Message-Id: <1655179884-12278-6-git-send-email-shengjiu.wang@nxp.com>
Date:   Tue, 14 Jun 2022 12:11:22 +0800
From:   Shengjiu Wang <shengjiu.wang@....com>
To:     nicoleotsuka@...il.com, Xiubo.Lee@...il.com, festevam@...il.com,
        shengjiu.wang@...il.com, lgirdwood@...il.com, broonie@...nel.org,
        perex@...ex.cz, tiwai@...e.com, alsa-devel@...a-project.org,
        robh+dt@...nel.org, krzk+dt@...nel.org, devicetree@...r.kernel.org
Cc:     linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH 5/7] ASoC: fsl_sai: Move res variable to be global

The resource info need to be accessed by hw_params()
function for multi fifo case, the start address may
be not the FIFO0. So move it to be global first.

Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
---
 sound/soc/fsl/fsl_sai.c | 7 +++----
 sound/soc/fsl/fsl_sai.h | 1 +
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
index ddfe28cb7df0..86aa0baba848 100644
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -1077,7 +1077,6 @@ static int fsl_sai_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct fsl_sai *sai;
 	struct regmap *gpr;
-	struct resource *res;
 	void __iomem *base;
 	char tmp[8];
 	int irq, ret, i;
@@ -1092,7 +1091,7 @@ static int fsl_sai_probe(struct platform_device *pdev)
 
 	sai->is_lsb_first = of_property_read_bool(np, "lsb-first");
 
-	base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
+	base = devm_platform_get_and_ioremap_resource(pdev, 0, &sai->res);
 	if (IS_ERR(base))
 		return PTR_ERR(base);
 
@@ -1192,8 +1191,8 @@ static int fsl_sai_probe(struct platform_device *pdev)
 				   MCLK_DIR(index));
 	}
 
-	sai->dma_params_rx.addr = res->start + FSL_SAI_RDR0;
-	sai->dma_params_tx.addr = res->start + FSL_SAI_TDR0;
+	sai->dma_params_rx.addr = sai->res->start + FSL_SAI_RDR0;
+	sai->dma_params_tx.addr = sai->res->start + FSL_SAI_TDR0;
 	sai->dma_params_rx.maxburst = FSL_SAI_MAXBURST_RX;
 	sai->dma_params_tx.maxburst = FSL_SAI_MAXBURST_TX;
 
diff --git a/sound/soc/fsl/fsl_sai.h b/sound/soc/fsl/fsl_sai.h
index c0b6bc42fc3c..4d657edc9c9f 100644
--- a/sound/soc/fsl/fsl_sai.h
+++ b/sound/soc/fsl/fsl_sai.h
@@ -258,6 +258,7 @@ struct fsl_sai {
 	struct regmap *regmap;
 	struct clk *bus_clk;
 	struct clk *mclk_clk[FSL_SAI_MCLK_MAX];
+	struct resource *res;
 
 	bool is_consumer_mode;
 	bool is_lsb_first;
-- 
2.17.1