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ef7d800333
This includes some driver changes and support for fixed cells layout.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit 07bdc55515)
72 lines
2.5 KiB
Diff
72 lines
2.5 KiB
Diff
From 912517345b867a69542dc9f5c2cc3e9d8beaccf5 Mon Sep 17 00:00:00 2001
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From: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
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Date: Sun, 11 Jun 2023 15:03:16 +0100
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Subject: [PATCH] nvmem: rockchip-otp: Improve probe error handling
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Enhance error handling in the probe function by making use of
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dev_err_probe(), which ensures the error code is always printed, in
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addition to the specified error message.
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Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
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Tested-by: Vincent Legoll <vincent.legoll@gmail.com>
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Reviewed-by: Heiko Stuebner <heiko@sntech.de>
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Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
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Message-ID: <20230611140330.154222-13-srinivas.kandagatla@linaro.org>
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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---
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drivers/nvmem/rockchip-otp.c | 21 ++++++++++++---------
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1 file changed, 12 insertions(+), 9 deletions(-)
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--- a/drivers/nvmem/rockchip-otp.c
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+++ b/drivers/nvmem/rockchip-otp.c
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@@ -235,10 +235,8 @@ static int rockchip_otp_probe(struct pla
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int ret, i;
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data = of_device_get_match_data(dev);
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- if (!data) {
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- dev_err(dev, "failed to get match data\n");
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- return -EINVAL;
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- }
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+ if (!data)
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+ return dev_err_probe(dev, -EINVAL, "failed to get match data\n");
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otp = devm_kzalloc(&pdev->dev, sizeof(struct rockchip_otp),
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GFP_KERNEL);
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@@ -249,7 +247,8 @@ static int rockchip_otp_probe(struct pla
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otp->dev = dev;
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otp->base = devm_platform_ioremap_resource(pdev, 0);
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if (IS_ERR(otp->base))
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- return PTR_ERR(otp->base);
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+ return dev_err_probe(dev, PTR_ERR(otp->base),
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+ "failed to ioremap resource\n");
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otp->clks = devm_kcalloc(dev, data->num_clks, sizeof(*otp->clks),
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GFP_KERNEL);
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@@ -261,18 +260,22 @@ static int rockchip_otp_probe(struct pla
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ret = devm_clk_bulk_get(dev, data->num_clks, otp->clks);
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if (ret)
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- return ret;
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+ return dev_err_probe(dev, ret, "failed to get clocks\n");
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otp->rst = devm_reset_control_array_get_exclusive(dev);
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if (IS_ERR(otp->rst))
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- return PTR_ERR(otp->rst);
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+ return dev_err_probe(dev, PTR_ERR(otp->rst),
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+ "failed to get resets\n");
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otp_config.size = data->size;
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otp_config.priv = otp;
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otp_config.dev = dev;
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- nvmem = devm_nvmem_register(dev, &otp_config);
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- return PTR_ERR_OR_ZERO(nvmem);
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+ nvmem = devm_nvmem_register(dev, &otp_config);
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+ if (IS_ERR(nvmem))
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+ return dev_err_probe(dev, PTR_ERR(nvmem),
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+ "failed to register nvmem device\n");
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+ return 0;
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}
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static struct platform_driver rockchip_otp_driver = {
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