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From:   Tudor Ambarus <tudor.ambarus@microchip.com>
To:     <vkoul@kernel.org>, <peda@axentia.se>, <du@axentia.se>,
        <regressions@leemhuis.info>
CC:     <ludovic.desroches@microchip.com>, <maciej.sosnowski@intel.com>,
        <tudor.ambarus@microchip.com>, <dan.j.williams@intel.com>,
        <nicolas.ferre@microchip.com>, <mripard@kernel.org>,
        <torfl6749@gmail.com>, <linux-kernel@vger.kernel.org>,
        <dmaengine@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        Tudor Ambarus <tudor.ambarus@gmail.com>,
        <stable@vger.kernel.org>
Subject: [PATCH 07/33] dmaengine: at_hdmac: Fix at_lli struct definition
Date:   Sat, 20 Aug 2022 15:56:51 +0300
Message-ID: <20220820125717.588722-8-tudor.ambarus@microchip.com>
In-Reply-To: <20220820125717.588722-1-tudor.ambarus@microchip.com>
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From: Tudor Ambarus <tudor.ambarus@gmail.com>

Those hardware registers are all of 32 bits, while dma_addr_t ca be of
type u64 or u32 depending on CONFIG_ARCH_DMA_ADDR_T_64BIT. Force u32 to
comply with what the hardware expects.

Fixes: dc78baa2b90b ("dmaengine: at_hdmac: new driver for the Atmel AHB DMA Controller")
Signed-off-by: Tudor Ambarus <tudor.ambarus@gmail.com>
Cc: stable@vger.kernel.org
---
 drivers/dma/at_hdmac.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index 91e53a590d5f..e89facf14fab 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -187,13 +187,13 @@
 /* LLI == Linked List Item; aka DMA buffer descriptor */
 struct at_lli {
 	/* values that are not changed by hardware */
-	dma_addr_t	saddr;
-	dma_addr_t	daddr;
+	u32 saddr;
+	u32 daddr;
 	/* value that may get written back: */
-	u32		ctrla;
+	u32 ctrla;
 	/* more values that are not changed by hardware */
-	u32		ctrlb;
-	dma_addr_t	dscr;	/* chain to next lli */
+	u32 ctrlb;
+	u32 dscr;	/* chain to next lli */
 };
 
 /**
-- 
2.25.1