add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/spi/spi-mpc52xx-psc.c
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@@ -1,14 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * MPC52xx PSC in SPI mode driver.
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  *
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  * Maintainer: Dragos Carp
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  *
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  * Copyright (C) 2006 TOPTICA Photonics AG.
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- *
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- * This program is free software; you can redistribute  it and/or modify it
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- * under  the terms of  the GNU General  Public License as published by the
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- * Free Software Foundation;  either version 2 of the  License, or (at your
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- * option) any later version.
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  */
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 #include <linux/module.h>
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@@ -238,8 +234,7 @@
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 				break;
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 			m->actual_length += t->len;
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-			if (t->delay_usecs)
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-				udelay(t->delay_usecs);
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+			spi_transfer_delay_exec(t);
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 			if (cs_change)
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 				mpc52xx_psc_spi_deactivate_cs(spi);