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

This reverts commit 8d45b05 which is
commit 06781a5 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>

drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c

@@ -695,7 +695,7 @@ static int 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}: