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b142c7e0c3
Reorder hwRNG patches to match current naming. Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org> Link: https://github.com/openwrt/openwrt/pull/19989 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
54 lines
1.7 KiB
Diff
54 lines
1.7 KiB
Diff
From 9c2797093a4095a1d686b6c51fbd321a627855ee Mon Sep 17 00:00:00 2001
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From: Martin Kaiser <martin@kaiser.cx>
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Date: Wed, 21 Aug 2024 20:12:34 +0200
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Subject: [PATCH] hwrng: rockchip - rst is used only during probe
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The driver uses the rst variable only for an initial reset when the chip
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is probed. There's no need to store rst in the driver's private data, we
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can make it a local variable in the probe function.
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Signed-off-by: Martin Kaiser <martin@kaiser.cx>
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Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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---
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drivers/char/hw_random/rockchip-rng.c | 13 ++++++-------
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1 file changed, 6 insertions(+), 7 deletions(-)
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--- a/drivers/char/hw_random/rockchip-rng.c
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+++ b/drivers/char/hw_random/rockchip-rng.c
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@@ -52,7 +52,6 @@
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struct rk_rng {
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struct hwrng rng;
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void __iomem *base;
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- struct reset_control *rst;
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int clk_num;
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struct clk_bulk_data *clk_bulks;
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};
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@@ -132,6 +131,7 @@ out:
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static int rk_rng_probe(struct platform_device *pdev)
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{
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struct device *dev = &pdev->dev;
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+ struct reset_control *rst;
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struct rk_rng *rk_rng;
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int ret;
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@@ -148,14 +148,13 @@ static int rk_rng_probe(struct platform_
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return dev_err_probe(dev, rk_rng->clk_num,
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"Failed to get clks property\n");
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- rk_rng->rst = devm_reset_control_array_get_exclusive(&pdev->dev);
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- if (IS_ERR(rk_rng->rst))
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- return dev_err_probe(dev, PTR_ERR(rk_rng->rst),
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- "Failed to get reset property\n");
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+ rst = devm_reset_control_array_get_exclusive(&pdev->dev);
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+ if (IS_ERR(rst))
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+ return dev_err_probe(dev, PTR_ERR(rst), "Failed to get reset property\n");
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- reset_control_assert(rk_rng->rst);
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+ reset_control_assert(rst);
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udelay(2);
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- reset_control_deassert(rk_rng->rst);
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+ reset_control_deassert(rst);
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platform_set_drvdata(pdev, rk_rng);
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