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Diffstat (limited to 'target/linux/lantiq/patches-4.4/0016-MTD-lantiq-xway-add-missing-write_buf-and-read_buf-t.patch')
-rw-r--r--target/linux/lantiq/patches-4.4/0016-MTD-lantiq-xway-add-missing-write_buf-and-read_buf-t.patch55
1 files changed, 55 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-4.4/0016-MTD-lantiq-xway-add-missing-write_buf-and-read_buf-t.patch b/target/linux/lantiq/patches-4.4/0016-MTD-lantiq-xway-add-missing-write_buf-and-read_buf-t.patch
new file mode 100644
index 0000000000..072caf6696
--- /dev/null
+++ b/target/linux/lantiq/patches-4.4/0016-MTD-lantiq-xway-add-missing-write_buf-and-read_buf-t.patch
@@ -0,0 +1,55 @@
+From 65df9d63eaee02c25e879b33dd42aceb78e57842 Mon Sep 17 00:00:00 2001
+From: John Crispin <blogic@openwrt.org>
+Date: Sun, 28 Jul 2013 17:59:51 +0200
+Subject: [PATCH 16/36] MTD: lantiq: xway: add missing write_buf and read_buf
+ to nand driver
+
+Signed-off-by: John Crispin <blogic@openwrt.org>
+---
+ drivers/mtd/nand/xway_nand.c | 28 ++++++++++++++++++++++++++++
+ 1 file changed, 28 insertions(+)
+
+--- a/drivers/mtd/nand/xway_nand.c
++++ b/drivers/mtd/nand/xway_nand.c
+@@ -136,6 +136,32 @@ static unsigned char xway_read_byte(stru
+ return ret;
+ }
+
++static void xway_read_buf(struct mtd_info *mtd, u_char *buf, int len)
++{
++ struct nand_chip *this = mtd->priv;
++ unsigned long nandaddr = (unsigned long) this->IO_ADDR_R;
++ unsigned long flags;
++ int i;
++
++ spin_lock_irqsave(&ebu_lock, flags);
++ for (i = 0; i < len; i++)
++ buf[i] = ltq_r8((void __iomem *)(nandaddr | NAND_READ_DATA));
++ spin_unlock_irqrestore(&ebu_lock, flags);
++}
++
++static void xway_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
++{
++ struct nand_chip *this = mtd->priv;
++ unsigned long nandaddr = (unsigned long) this->IO_ADDR_W;
++ unsigned long flags;
++ int i;
++
++ spin_lock_irqsave(&ebu_lock, flags);
++ for (i = 0; i < len; i++)
++ ltq_w8(buf[i], (void __iomem *)(nandaddr | NAND_WRITE_DATA));
++ spin_unlock_irqrestore(&ebu_lock, flags);
++}
++
+ static int xway_nand_probe(struct platform_device *pdev)
+ {
+ struct nand_chip *this = platform_get_drvdata(pdev);
+@@ -177,6 +203,8 @@ static struct platform_nand_data xway_na
+ .dev_ready = xway_dev_ready,
+ .select_chip = xway_select_chip,
+ .read_byte = xway_read_byte,
++ .read_buf = xway_read_buf,
++ .write_buf = xway_write_buf,
+ }
+ };
+