add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/mmc/core/sdio_ops.c
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@@ -1,12 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *  linux/drivers/mmc/sdio_ops.c
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  *
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  *  Copyright 2006-2007 Pierre Ossman
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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 (at
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- * your option) any later version.
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  */
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 #include <linux/scatterlist.h>
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@@ -125,6 +121,7 @@
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 	struct sg_table sgtable;
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 	unsigned int nents, left_size, i;
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 	unsigned int seg_size = card->host->max_seg_size;
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+	int err;
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 	WARN_ON(blksz == 0);
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@@ -174,28 +171,32 @@
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 	mmc_set_data_timeout(&data, card);
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+	mmc_pre_req(card->host, &mrq);
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+
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 	mmc_wait_for_req(card->host, &mrq);
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+
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+	if (cmd.error)
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+		err = cmd.error;
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+	else if (data.error)
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+		err = data.error;
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+	else if (mmc_host_is_spi(card->host))
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+		/* host driver already reported errors */
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+		err = 0;
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+	else if (cmd.resp[0] & R5_ERROR)
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+		err = -EIO;
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+	else if (cmd.resp[0] & R5_FUNCTION_NUMBER)
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+		err = -EINVAL;
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+	else if (cmd.resp[0] & R5_OUT_OF_RANGE)
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+		err = -ERANGE;
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+	else
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+		err = 0;
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+
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+	mmc_post_req(card->host, &mrq, err);
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 	if (nents > 1)
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 		sg_free_table(&sgtable);
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-	if (cmd.error)
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-		return cmd.error;
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-	if (data.error)
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-		return data.error;
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-
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-	if (mmc_host_is_spi(card->host)) {
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-		/* host driver already reported errors */
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-	} else {
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-		if (cmd.resp[0] & R5_ERROR)
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-			return -EIO;
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-		if (cmd.resp[0] & R5_FUNCTION_NUMBER)
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-			return -EINVAL;
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-		if (cmd.resp[0] & R5_OUT_OF_RANGE)
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-			return -ERANGE;
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-	}
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-
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-	return 0;
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+	return err;
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 }
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 int sdio_reset(struct mmc_host *host)