Revert "mtd: rawnand: gpmi: Fix setting busy timeout setting"

This reverts commit 0af674e7a764563496480c1e30fadf0048325978 which is
commit 06781a5026350cde699d2d10c9914a25c1524f45 upstream.

It is reported to cause data loss, so revert it to prevent that from
happening for users of this driver.

Reported-by: Tomasz Moń <tomasz.mon@camlingroup.com>
Reported-by: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/all/20220701110341.3094023-1-s.hauer@pengutronix.de/
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
index 6eb0677..b72b387 100644 (file)
--- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
@@ -685,7 +685,7 @@ static void gpmi_nfc_compute_timings(struct gpmi_nand_data *this,
        hw->timing0 = BF_GPMI_TIMING0_ADDRESS_SETUP(addr_setup_cycles) |
                      BF_GPMI_TIMING0_DATA_HOLD(data_hold_cycles) |
                      BF_GPMI_TIMING0_DATA_SETUP(data_setup_cycles);
-       hw->timing1 = BF_GPMI_TIMING1_BUSY_TIMEOUT(DIV_ROUND_UP(busy_timeout_cycles, 4096));
+       hw->timing1 = BF_GPMI_TIMING1_BUSY_TIMEOUT(busy_timeout_cycles * 4096);
 
        /*
         * Derive NFC ideal delay from {3}: