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memory: mtk-smi: Use of_device_get_match_data helper 

Replace custom code with generic helper to retrieve driver data.

Signed-off-by: Honghui Zhang <honghui.zhang@mediatek.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Honghui Zhang 2017-08-04 09:32:25 +08:00 committed by Joerg Roedel
parent 520eccdfe1
commit 75487860a8
1 changed files with 2 additions and 12 deletions
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14
drivers/memory/mtk-smi.c
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@ -240,20 +240,15 @@ static int mtk_smi_larb_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct device_node *smi_node;
struct platform_device *smi_pdev;
const struct of_device_id *of_id;
if (!dev->pm_domain)
return -EPROBE_DEFER;
of_id = of_match_node(mtk_smi_larb_of_ids, pdev->dev.of_node);
if (!of_id)
return -EINVAL;
larb = devm_kzalloc(dev, sizeof(*larb), GFP_KERNEL);
if (!larb)
return -ENOMEM;
larb->larb_gen = of_id->data;
larb->larb_gen = of_device_get_match_data(dev);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
larb->base = devm_ioremap_resource(dev, res);
if (IS_ERR(larb->base))
@ -319,7 +314,6 @@ static int mtk_smi_common_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct mtk_smi *common;
struct resource *res;
const struct of_device_id *of_id;
enum mtk_smi_gen smi_gen;
if (!dev->pm_domain)
@ -338,17 +332,13 @@ static int mtk_smi_common_probe(struct platform_device *pdev)
if (IS_ERR(common->clk_smi))
return PTR_ERR(common->clk_smi);
of_id = of_match_node(mtk_smi_common_of_ids, pdev->dev.of_node);
if (!of_id)
return -EINVAL;
/*
* for mtk smi gen 1, we need to get the ao(always on) base to config
* m4u port, and we need to enable the aync clock for transform the smi
* clock into emi clock domain, but for mtk smi gen2, there's no smi ao
* base.
*/
smi_gen = (enum mtk_smi_gen)of_id->data;
smi_gen = (enum mtk_smi_gen)of_device_get_match_data(dev);
if (smi_gen == MTK_SMI_GEN1) {
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
common->smi_ao_base = devm_ioremap_resource(dev, res);