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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-07-15 09:21:15 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-07-15 10:12:06 +0200
commitf8d01e0f004a73cf9d0e76daa69aea9556683d57 (patch)
tree26fb9be4ca95352702cf16fcf878b038cf9983d2
parentd39cd8e451f0e1a61060db914b14967d7ac50490 (diff)
Revert "mtd: rawnand: gpmi: Fix setting busy timeout setting"
This reverts commit 8d45b05f7eafc92dd69c006c5c31e0b4933a1a07 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>
-rw-r--r--drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
index 375529b7d12e..44b14c9dc9a7 100644
--- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
+++ b/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}: