[PATCH v3] mtd: rawnand: Increment IFC_TIMEOUT_MSECS for nand controller response

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Under heavy load it is likely that the controller is done
with its own task but the thread unlocking the wait is not
scheduled in time. Increasing IFC_TIMEOUT_MSECS allows the
controller to respond within allowable timeslice of 1 sec.

fsl,ifc-nand 7e800000.nand: Controller is not responding

[<804b2047>] (nand_get_device) from [<804b5335>] (nand_write_oob+0x1b/0x4a)
[<804b5335>] (nand_write_oob) from [<804a3585>] (mtd_write+0x41/0x5c)
[<804a3585>] (mtd_write) from [<804c1d47>] (ubi_io_write+0x17f/0x22c)
[<804c1d47>] (ubi_io_write) from [<804c047b>] (ubi_eba_write_leb+0x5b/0x1d0)

Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Ronald Monthero <debug.penguin32@xxxxxxxxx>
---
 drivers/mtd/nand/raw/fsl_ifc_nand.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/raw/fsl_ifc_nand.c b/drivers/mtd/nand/raw/fsl_ifc_nand.c
index 20bb1e0cb5eb..f0e2318ce088 100644
--- a/drivers/mtd/nand/raw/fsl_ifc_nand.c
+++ b/drivers/mtd/nand/raw/fsl_ifc_nand.c
@@ -21,7 +21,7 @@
 
 #define ERR_BYTE		0xFF /* Value returned for read
 					bytes when read failed	*/
-#define IFC_TIMEOUT_MSECS	500  /* Maximum number of mSecs to wait
+#define IFC_TIMEOUT_MSECS	1000 /* Maximum timeout to wait
 					for IFC NAND Machine	*/
 
 struct fsl_ifc_ctrl;
-- 
2.34.1




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