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mtd: rawnand: mtk: use of_device_get_match_data() 

The usage of of_device_get_match_data() reduce the code size a bit.

Also, the only way to call .probe() is to match an entry in
.of_match_table[], so of_device_id cannot be NULL.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Reviewed-by: Xiaolei Li <xiaolei.li@mediatek.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
This commit is contained in:
Ryder Lee 2018-04-16 10:33:54 +08:00 committed by Boris Brezillon
parent 7b4b199459
commit 36bf2eb90d
2 changed files with 2 additions and 15 deletions
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7
drivers/mtd/nand/raw/mtk_ecc.c
View File

@ -500,7 +500,6 @@ static int mtk_ecc_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct mtk_ecc *ecc;
struct resource *res;
const struct of_device_id *of_ecc_id = NULL;
u32 max_eccdata_size;
int irq, ret;
@ -508,11 +507,7 @@ static int mtk_ecc_probe(struct platform_device *pdev)
if (!ecc)
return -ENOMEM;
of_ecc_id = of_match_device(mtk_ecc_dt_match, &pdev->dev);
if (!of_ecc_id)
return -ENODEV;
ecc->caps = of_ecc_id->data;
ecc->caps = of_device_get_match_data(dev);
max_eccdata_size = ecc->caps->num_ecc_strength - 1;
max_eccdata_size = ecc->caps->ecc_strength[max_eccdata_size];

10
drivers/mtd/nand/raw/mtk_nand.c
View File

@ -1434,7 +1434,6 @@ static int mtk_nfc_probe(struct platform_device *pdev)
struct device_node *np = dev->of_node;
struct mtk_nfc *nfc;
struct resource *res;
const struct of_device_id *of_nfc_id = NULL;
int ret, irq;
nfc = devm_kzalloc(dev, sizeof(*nfc), GFP_KERNEL);
@ -1452,6 +1451,7 @@ static int mtk_nfc_probe(struct platform_device *pdev)
else if (!nfc->ecc)
return -ENODEV;
nfc->caps = of_device_get_match_data(dev);
nfc->dev = dev;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@ -1498,14 +1498,6 @@ static int mtk_nfc_probe(struct platform_device *pdev)
goto clk_disable;
}
of_nfc_id = of_match_device(mtk_nfc_id_table, &pdev->dev);
if (!of_nfc_id) {
ret = -ENODEV;
goto clk_disable;
}
nfc->caps = of_nfc_id->data;
platform_set_drvdata(pdev, nfc);
ret = mtk_nfc_nand_chips_init(dev, nfc);