add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/mmc/host/dw_mmc-k3.c
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@@ -1,11 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Copyright (c) 2013 Linaro Ltd.
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  * Copyright (c) 2013 Hisilicon Limited.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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  */
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 #include <linux/bitops.h>
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@@ -242,7 +238,7 @@
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 		if (smpl_phase >= USE_DLY_MIN_SMPL &&
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 				smpl_phase <= USE_DLY_MAX_SMPL)
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 			use_smpl_dly = 1;
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-			/* fallthrough */
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+		fallthrough;
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 	case MMC_TIMING_UHS_SDR50:
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 		if (smpl_phase >= ENABLE_SHIFT_MIN_SMPL &&
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 				smpl_phase <= ENABLE_SHIFT_MAX_SMPL)
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@@ -428,7 +424,7 @@
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 	if (!IS_ERR(mmc->supply.vqmmc)) {
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 		ret = mmc_regulator_set_vqmmc(mmc, ios);
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-		if (ret) {
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+		if (ret < 0) {
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 			dev_err(host->dev, "Regulator set error %d\n", ret);
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 			return ret;
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 		}
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@@ -477,6 +473,7 @@
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 	.remove		= dw_mci_pltfm_remove,
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 	.driver		= {
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 		.name		= "dwmmc_k3",
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+		.probe_type	= PROBE_PREFER_ASYNCHRONOUS,
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 		.of_match_table	= dw_mci_k3_match,
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 		.pm		= &dw_mci_k3_dev_pm_ops,
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 	},