linux-kernel - [PATCH] mips: setup: fix setnocoherentio() boolean setting

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Date:   Mon, 21 Feb 2022 09:50:29 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Christoph Hellwig <hch@....de>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        linux-mips@...r.kernel.org
Subject: [PATCH] mips: setup: fix setnocoherentio() boolean setting

Correct a typo/pasto: setnocoherentio() should set
dma_default_coherent to false, not true.

Fixes: 14ac09a65e19 ("MIPS: refactor the runtime coherent vs noncoherent DMA indicators")
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Christoph Hellwig <hch@....de>
Cc: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc: linux-mips@...r.kernel.org
---
 arch/mips/kernel/setup.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-next-20220217.orig/arch/mips/kernel/setup.c
+++ linux-next-20220217/arch/mips/kernel/setup.c
@@ -803,7 +803,7 @@ early_param("coherentio", setcoherentio)
 
 static int __init setnocoherentio(char *str)
 {
-	dma_default_coherent = true;
+	dma_default_coherent = false;
 	pr_info("Software DMA cache coherency (command line)\n");
 	return 0;
 }