diff options
Diffstat (limited to 'target/linux/mediatek/patches-4.4/0076-mtd-nand-add-power-domains-to-the-mediatek-driver.patch')
| -rw-r--r-- | target/linux/mediatek/patches-4.4/0076-mtd-nand-add-power-domains-to-the-mediatek-driver.patch | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-4.4/0076-mtd-nand-add-power-domains-to-the-mediatek-driver.patch b/target/linux/mediatek/patches-4.4/0076-mtd-nand-add-power-domains-to-the-mediatek-driver.patch new file mode 100644 index 0000000000..d0bc250f45 --- /dev/null +++ b/target/linux/mediatek/patches-4.4/0076-mtd-nand-add-power-domains-to-the-mediatek-driver.patch @@ -0,0 +1,72 @@ +From 5dc0d474396e04e6c140d71f0e113eb1c03501c5 Mon Sep 17 00:00:00 2001 +From: John Crispin <john@phrozen.org> +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 <john@phrozen.org> +--- + drivers/mtd/nand/mtk_nand.c | 13 ++++++++++++- + 1 file changed, 12 insertions(+), 1 deletion(-) + +diff --git a/drivers/mtd/nand/mtk_nand.c b/drivers/mtd/nand/mtk_nand.c +index 907b90c..bde1a1d 100644 +--- a/drivers/mtd/nand/mtk_nand.c ++++ b/drivers/mtd/nand/mtk_nand.c +@@ -16,6 +16,7 @@ + + #include <linux/platform_device.h> + #include <linux/dma-mapping.h> ++#include <linux/pm_runtime.h> + #include <linux/interrupt.h> + #include <linux/delay.h> + #include <linux/clk.h> +@@ -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 mtd_info *mtd, uint8_t *buf, int raw) + 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 mtd_info *mtd, struct nand_chip *chip, + + 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_device *pdev) + 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 platform_device *pdev) + mtk_ecc_release(nfc->ecc); + mtk_nfc_disable_clk(&nfc->clk); + ++ pm_runtime_put_sync(&pdev->dev); ++ pm_runtime_disable(&pdev->dev); ++ + return 0; + } + +-- +1.7.10.4 + |