From: Rob Herring (Arm) Date: Thu, 3 Jul 2025 18:35:21 +0000 (-0500) Subject: ASoC: Use of_reserved_mem_region_to_resource() for "memory-region" X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bc163baef57002c08b3afe64cdd2f55f55a765eb;p=thirdparty%2Fkernel%2Flinux.git ASoC: Use of_reserved_mem_region_to_resource() for "memory-region" Use the newly added of_reserved_mem_region_to_resource() function to handle "memory-region" properties. Signed-off-by: Rob Herring (Arm) Reviewed-by: Tzung-Bi Shih Reviewed-by: Cheng-Yi Chiang Link: https://patch.msgid.link/20250703183523.2075276-1-robh@kernel.org Signed-off-by: Mark Brown --- diff --git a/sound/soc/codecs/cros_ec_codec.c b/sound/soc/codecs/cros_ec_codec.c index 571222ec520ca..937c8cec682ac 100644 --- a/sound/soc/codecs/cros_ec_codec.c +++ b/sound/soc/codecs/cros_ec_codec.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include #include @@ -961,7 +962,6 @@ static int cros_ec_codec_platform_probe(struct platform_device *pdev) struct ec_response_ec_codec_get_capabilities r; int ret; #ifdef CONFIG_OF - struct device_node *node; struct resource res; u64 ec_shm_size; const __be32 *regaddr_p; @@ -981,22 +981,18 @@ static int cros_ec_codec_platform_probe(struct platform_device *pdev) priv->ec_shm_addr, priv->ec_shm_len); } - node = of_parse_phandle(dev->of_node, "memory-region", 0); - if (node) { - ret = of_address_to_resource(node, 0, &res); - if (!ret) { - priv->ap_shm_phys_addr = res.start; - priv->ap_shm_len = resource_size(&res); - priv->ap_shm_addr = - (uint64_t)(uintptr_t)devm_ioremap_wc( - dev, priv->ap_shm_phys_addr, - priv->ap_shm_len); - priv->ap_shm_last_alloc = priv->ap_shm_phys_addr; - - dev_dbg(dev, "ap_shm_phys_addr=%#llx len=%#x\n", - priv->ap_shm_phys_addr, priv->ap_shm_len); - } - of_node_put(node); + ret = of_reserved_mem_region_to_resource(dev->of_node, 0, &res); + if (!ret) { + priv->ap_shm_phys_addr = res.start; + priv->ap_shm_len = resource_size(&res); + priv->ap_shm_addr = + (uint64_t)(uintptr_t)devm_ioremap_wc( + dev, priv->ap_shm_phys_addr, + priv->ap_shm_len); + priv->ap_shm_last_alloc = priv->ap_shm_phys_addr; + + dev_dbg(dev, "ap_shm_phys_addr=%#llx len=%#x\n", + priv->ap_shm_phys_addr, priv->ap_shm_len); } #endif diff --git a/sound/soc/sof/imx/imx-common.c b/sound/soc/sof/imx/imx-common.c index 62bf707aa909c..f00b381cec3b4 100644 --- a/sound/soc/sof/imx/imx-common.c +++ b/sound/soc/sof/imx/imx-common.c @@ -282,11 +282,8 @@ static int imx_region_name_to_blk_type(const char *region_name) static int imx_parse_ioremap_memory(struct snd_sof_dev *sdev) { const struct imx_chip_info *chip_info; - struct reserved_mem *reserved; struct platform_device *pdev; - struct device_node *res_np; - phys_addr_t base, size; - struct resource *res; + struct resource *res, _res; int i, blk_type, ret; pdev = to_platform_device(sdev->dev); @@ -307,37 +304,18 @@ static int imx_parse_ioremap_memory(struct snd_sof_dev *sdev) "failed to fetch %s resource\n", chip_info->memory[i].name); - base = res->start; - size = resource_size(res); } else { - ret = of_property_match_string(pdev->dev.of_node, - "memory-region-names", - chip_info->memory[i].name); + ret = of_reserved_mem_region_to_resource_byname(pdev->dev.of_node, + chip_info->memory[i].name, + &_res); if (ret < 0) return dev_err_probe(sdev->dev, ret, - "no valid index for %s\n", + "no valid entry for %s\n", chip_info->memory[i].name); - - res_np = of_parse_phandle(pdev->dev.of_node, - "memory-region", - ret); - if (!res_np) - return dev_err_probe(sdev->dev, -ENODEV, - "failed to parse phandle %s\n", - chip_info->memory[i].name); - - reserved = of_reserved_mem_lookup(res_np); - of_node_put(res_np); - if (!reserved) - return dev_err_probe(sdev->dev, -ENODEV, - "failed to get %s reserved\n", - chip_info->memory[i].name); - - base = reserved->base; - size = reserved->size; + res = &_res; } - sdev->bar[blk_type] = devm_ioremap(sdev->dev, base, size); + sdev->bar[blk_type] = devm_ioremap_resource(sdev->dev, res); if (!sdev->bar[blk_type]) return dev_err_probe(sdev->dev, -ENOMEM, diff --git a/sound/soc/sof/mediatek/mt8186/mt8186.c b/sound/soc/sof/mediatek/mt8186/mt8186.c index 7ff080452cbec..c1bea967737d5 100644 --- a/sound/soc/sof/mediatek/mt8186/mt8186.c +++ b/sound/soc/sof/mediatek/mt8186/mt8186.c @@ -12,7 +12,6 @@ #include #include #include -#include #include #include #include @@ -46,7 +45,6 @@ static int platform_parse_resource(struct platform_device *pdev, void *data) { struct resource *mmio; struct resource res; - struct device_node *mem_region; struct device *dev = &pdev->dev; struct mtk_adsp_chip_info *adsp = data; int ret; @@ -57,14 +55,7 @@ static int platform_parse_resource(struct platform_device *pdev, void *data) return ret; } - mem_region = of_parse_phandle(dev->of_node, "memory-region", 1); - if (!mem_region) { - dev_err(dev, "no memory-region sysmem phandle\n"); - return -ENODEV; - } - - ret = of_address_to_resource(mem_region, 0, &res); - of_node_put(mem_region); + ret = of_reserved_mem_region_to_resource(dev->of_node, 1, &res); if (ret) { dev_err(dev, "of_address_to_resource sysmem failed\n"); return ret; diff --git a/sound/soc/sof/mediatek/mt8195/mt8195.c b/sound/soc/sof/mediatek/mt8195/mt8195.c index 3b3582d745103..4d6e9300a9c03 100644 --- a/sound/soc/sof/mediatek/mt8195/mt8195.c +++ b/sound/soc/sof/mediatek/mt8195/mt8195.c @@ -12,7 +12,6 @@ #include #include #include -#include #include #include #include @@ -46,7 +45,6 @@ static int platform_parse_resource(struct platform_device *pdev, void *data) { struct resource *mmio; struct resource res; - struct device_node *mem_region; struct device *dev = &pdev->dev; struct mtk_adsp_chip_info *adsp = data; int ret; @@ -57,14 +55,7 @@ static int platform_parse_resource(struct platform_device *pdev, void *data) return ret; } - mem_region = of_parse_phandle(dev->of_node, "memory-region", 1); - if (!mem_region) { - dev_err(dev, "no memory-region sysmem phandle\n"); - return -ENODEV; - } - - ret = of_address_to_resource(mem_region, 0, &res); - of_node_put(mem_region); + ret = of_reserved_mem_region_to_resource(dev->of_node, 1, &res); if (ret) { dev_err(dev, "of_address_to_resource sysmem failed\n"); return ret;