mtd: gpmi: decouple the chip select from the DMA channel

[karo-tx-linux.git] / drivers / mtd / nand / gpmi-nand / gpmi-lib.c

diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c
index 4f8857fa48a7f93f502e7b0d1a2581eebac64234..7d56d87599c00c69aa3e611bacf99c09a9364370 100644 (file)
--- a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c
@@ -187,6 +187,12 @@ int gpmi_init(struct gpmi_nand_data *this)
        /* Select BCH ECC. */
        writel(BM_GPMI_CTRL1_BCH_MODE, r->gpmi_regs + HW_GPMI_CTRL1_SET);
 
+       /*
+        * Decouple the chip select from dma channel. We use dma0 for all
+        * the chips.
+        */
+       writel(BM_GPMI_CTRL1_DECOUPLE_CS, r->gpmi_regs + HW_GPMI_CTRL1_SET);
+
        gpmi_disable_clk(this);
        return 0;
 err_out: