linux-kernel - [PATCH] fpga: xilinx-pr-decoupler: Use readl wrapper instead of pure readl

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Date:   Tue, 21 Mar 2023 16:33:23 +0100
From:   Michal Simek <michal.simek@....com>
To:     <linux-kernel@...r.kernel.org>, <monstr@...str.eu>,
        <michal.simek@...inx.com>, <git@...inx.com>
CC:     Moritz Fischer <mdf@...nel.org>, Tom Rix <trix@...hat.com>,
        Wu Hao <hao.wu@...el.com>, Xu Yilun <yilun.xu@...el.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-fpga@...r.kernel.org>
Subject: [PATCH] fpga: xilinx-pr-decoupler: Use readl wrapper instead of pure readl

Driver has IO wrappers but xlnx_pr_decouple_read() is not used and readl is
used instead which is just wrong.
It is also generating sparse issue that xlnx_pr_decouple_read() is unused.

Signed-off-by: Michal Simek <michal.simek@....com>
---

Created based on discussion with Tom here
https://lore.kernel.org/r/20230317230617.1673923-1-trix@redhat.com
---
 drivers/fpga/xilinx-pr-decoupler.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/fpga/xilinx-pr-decoupler.c b/drivers/fpga/xilinx-pr-decoupler.c
index 2d9c491f7be9..b76d85449b8f 100644
--- a/drivers/fpga/xilinx-pr-decoupler.c
+++ b/drivers/fpga/xilinx-pr-decoupler.c
@@ -69,7 +69,7 @@ static int xlnx_pr_decoupler_enable_show(struct fpga_bridge *bridge)
 	if (err)
 		return err;
 
-	status = readl(priv->io_base);
+	status = xlnx_pr_decouple_read(priv, CTRL_OFFSET);
 
 	clk_disable(priv->clk);
 
-- 
2.36.1