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