linux-kernel - [PATCH dmaengine 1/2] dmaengine: st_fdma: change dreg

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Message-ID: <20251106022015.84970-2-rosenp@gmail.com>
Date: Wed,  5 Nov 2025 18:20:14 -0800
From: Rosen Penev <rosenp@...il.com>
To: dmaengine@...r.kernel.org
Cc: Vinod Koul <vkoul@...nel.org>,
	Patrice Chotard <patrice.chotard@...s.st.com>,
	linux-kernel@...r.kernel.org (open list),
	linux-arm-kernel@...ts.infradead.org (moderated list:ARM/STI ARCHITECTURE)
Subject: [PATCH dmaengine 1/2] dmaengine: st_fdma: change dreg_line to long

The code is encoding a pointer into an int which works fine with a
32-bit build. Not with a 64-bit one.

Signed-off-by: Rosen Penev <rosenp@...il.com>
---
 drivers/dma/st_fdma.c | 2 +-
 drivers/dma/st_fdma.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/dma/st_fdma.c b/drivers/dma/st_fdma.c
index c65ee0c7bfbd..01211090844f 100644
--- a/drivers/dma/st_fdma.c
+++ b/drivers/dma/st_fdma.c
@@ -68,7 +68,7 @@ static void st_fdma_dreq_put(struct st_fdma_chan *fchan)
 {
 	struct st_fdma_dev *fdev = fchan->fdev;
 
-	dev_dbg(fdev->dev, "put dreq_line:%#x\n", fchan->dreq_line);
+	dev_dbg(fdev->dev, "put dreq_line:%#lx\n", fchan->dreq_line);
 	clear_bit(fchan->dreq_line, &fdev->dreq_mask);
 }
 
diff --git a/drivers/dma/st_fdma.h b/drivers/dma/st_fdma.h
index f296412e96b6..f1e746f7bc7d 100644
--- a/drivers/dma/st_fdma.h
+++ b/drivers/dma/st_fdma.h
@@ -120,7 +120,7 @@ struct st_fdma_chan {
 	struct dma_slave_config scfg;
 	struct st_fdma_cfg cfg;
 
-	int dreq_line;
+	long dreq_line;
 
 	struct virt_dma_chan vchan;
 	struct st_fdma_desc *fdesc;
-- 
2.51.2