From 5dc0d474396e04e6c140d71f0e113eb1c03501c5 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Tue, 17 May 2016 05:44:10 +0200 Subject: [PATCH 076/102] mtd: nand: add power domains to the mediatek driver Signed-off-by: John Crispin --- drivers/mtd/nand/mtk_nand.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) --- a/drivers/mtd/nand/mtk_nand.c +++ b/drivers/mtd/nand/mtk_nand.c @@ -16,6 +16,7 @@ #include #include +#include #include #include #include @@ -102,6 +103,7 @@ #define NFI_MASTER_STA (0x224) #define MASTER_STA_MASK (0x0FFF) #define NFI_EMPTY_THRESH (0x23C) +#define NFI_ACCCON1 (0x244) #define MTK_NAME "mtk-nand" #define KB(x) ((x) * 1024UL) @@ -539,6 +541,8 @@ static void mtk_nfc_bad_mark_swap(struct struct mtk_nfc_nand_chip *nand = to_mtk_nand(chip); u32 bad_pos = nand->bad_mark.pos; + return; + if (raw) bad_pos += nand->bad_mark.sec * mtk_data_len(chip); else @@ -946,7 +950,8 @@ static int mtk_nfc_read_oob_std(struct m static inline void mtk_nfc_hw_init(struct mtk_nfc *nfc) { - nfi_writel(nfc, 0x10804211, NFI_ACCCON); + nfi_writel(nfc, 0x30c77fff, NFI_ACCCON); + nfi_writel(nfc, 0xC03222, NFI_ACCCON1); nfi_writew(nfc, 0xf1, NFI_CNRNB); nfi_writew(nfc, PAGEFMT_8K_16K, NFI_PAGEFMT); @@ -1328,6 +1333,9 @@ static int mtk_nfc_probe(struct platform goto clk_disable; } + pm_runtime_enable(dev); + pm_runtime_get_sync(dev); + platform_set_drvdata(pdev, nfc); ret = mtk_nfc_nand_chips_init(dev, nfc); @@ -1362,6 +1370,9 @@ static int mtk_nfc_remove(struct platfor mtk_ecc_release(nfc->ecc); mtk_nfc_disable_clk(&nfc->clk); + pm_runtime_put_sync(&pdev->dev); + pm_runtime_disable(&pdev->dev); + return 0; }