mtd: nand: raw: sunxi_spl: remove user data length reset

No need to reset user data length registers in SPL.

In SPL, only the first user data length register is used, so we don't
need to reset all of them.

Signed-off-by: Richard Genoud <richard.genoud@bootlin.com>
Acked-by: Andre Przywara <andre.przywara@arm.com>

diff --git a/drivers/mtd/nand/raw/sunxi_nand_spl.c b/drivers/mtd/nand/raw/sunxi_nand_spl.c
index 784ffb00cf70af566d617280c362fe05bc21dbc3..cf351de4e8dec8a8d5f70f786615aaa3c9ef03a0 100644 (file)
--- a/drivers/mtd/nand/raw/sunxi_nand_spl.c
+++ b/drivers/mtd/nand/raw/sunxi_nand_spl.c
@@ -224,22 +224,6 @@ static int nand_change_column(u16 column)
        return 0;
 }
 
-/*
- * On H6/H616 the user_data length has to be set in specific registers
- * before writing.
- */
-static void sunxi_nfc_reset_user_data_len(const struct nfc_config *nfc)
-{
-       int loop_step = NFC_REG_USER_DATA_LEN_CAPACITY;
-
-       /* not all SoCs have this register */
-       if (!NFC_REG_USER_DATA_LEN(nfc, 0))
-               return;
-
-       for (int i = 0; i < nfc->caps->max_ecc_steps; i += loop_step)
-               writel_nfc(0, NFC_REG_USER_DATA_LEN(nfc, i));
-}
-
 static void sunxi_nfc_set_user_data_len(const struct nfc_config *nfc,
                                        int len, int step)
 {
@@ -355,7 +339,6 @@ static int nand_read_page(const struct nfc_config *conf, u32 offs,
                 */
                nand_change_column(oob_off);
 
-               sunxi_nfc_reset_user_data_len(conf);
                sunxi_nfc_set_user_data_len(conf, user_data_sz, nfc_step);
 
                nand_exec_cmd(NFC_DATA_TRANS | NFC_ECC_OP);