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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.patch72
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
+