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Date: Tue, 3 Nov 2020 21:35:18 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Joe Perches <joe@...ches.com>, "Gustavo A. R. Silva" <gustavo@...eddedor.com>, Miquel Raynal <miquel.raynal@...tlin.com> Subject: [PATCH 4.19 026/191] mtd: lpddr: Fix bad logic in print_drs_error From: Gustavo A. R. Silva <gustavo@...eddedor.com> commit 1c9c02bb22684f6949d2e7ddc0a3ff364fd5a6fc upstream. Update logic for broken test. Use a more common logging style. It appears the logic in this function is broken for the consecutive tests of if (prog_status & 0x3) ... else if (prog_status & 0x2) ... else (prog_status & 0x1) ... Likely the first test should be if ((prog_status & 0x3) == 0x3) Found by inspection of include files using printk. Fixes: eb3db27507f7 ("[MTD] LPDDR PFOW definition") Cc: stable@...r.kernel.org Reported-by: Joe Perches <joe@...ches.com> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com> Acked-by: Miquel Raynal <miquel.raynal@...tlin.com> Signed-off-by: Miquel Raynal <miquel.raynal@...tlin.com> Link: https://lore.kernel.org/linux-mtd/3fb0e29f5b601db8be2938a01d974b00c8788501.1588016644.git.gustavo@embeddedor.com Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- include/linux/mtd/pfow.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/include/linux/mtd/pfow.h +++ b/include/linux/mtd/pfow.h @@ -128,7 +128,7 @@ static inline void print_drs_error(unsig if (!(dsr & DSR_AVAILABLE)) printk(KERN_NOTICE"DSR.15: (0) Device not Available\n"); - if (prog_status & 0x03) + if ((prog_status & 0x03) == 0x03) printk(KERN_NOTICE"DSR.9,8: (11) Attempt to program invalid " "half with 41h command\n"); else if (prog_status & 0x02)
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