From ae00fcc51e714ce0fc72382332147ffffcf9a883 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Mon, 22 Jul 2019 00:41:57 +0200 Subject: ARM: Delete netx a second time Commit ceb02dcf676f ARM: delete netx machine deleted the mach-netx machine. Then eight days later it was resurrected by SPDX tag fixes. I think. Taking the liberty to fix some additional debug uart cruft. Link: https://lore.kernel.org/r/20190721224157.6597-1-linus.walleij@linaro.org Fixes: ceb02dcf676f ("ARM: delete netx machine") Acked-By: Robert Schwebel Acked-by: Sascha Hauer Signed-off-by: Linus Walleij Signed-off-by: Olof Johansson --- arch/arm/mach-netx/pfifo.c | 56 ---------------------------------------------- 1 file changed, 56 deletions(-) delete mode 100644 arch/arm/mach-netx/pfifo.c (limited to 'arch/arm/mach-netx/pfifo.c') diff --git a/arch/arm/mach-netx/pfifo.c b/arch/arm/mach-netx/pfifo.c deleted file mode 100644 index 2e5cc777329f..000000000000 --- a/arch/arm/mach-netx/pfifo.c +++ /dev/null @@ -1,56 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * arch/arm/mach-netx/pfifo.c - * - * Copyright (c) 2005 Sascha Hauer , Pengutronix - */ - -#include -#include -#include -#include - -#include -#include -#include - -static DEFINE_MUTEX(pfifo_lock); - -static unsigned int pfifo_used = 0; - -int pfifo_request(unsigned int pfifo_mask) -{ - int err = 0; - unsigned int val; - - mutex_lock(&pfifo_lock); - - if (pfifo_mask & pfifo_used) { - err = -EBUSY; - goto out; - } - - pfifo_used |= pfifo_mask; - - val = readl(NETX_PFIFO_RESET); - writel(val | pfifo_mask, NETX_PFIFO_RESET); - writel(val, NETX_PFIFO_RESET); - -out: - mutex_unlock(&pfifo_lock); - return err; -} - -void pfifo_free(unsigned int pfifo_mask) -{ - mutex_lock(&pfifo_lock); - pfifo_used &= ~pfifo_mask; - mutex_unlock(&pfifo_lock); -} - -EXPORT_SYMBOL(pfifo_push); -EXPORT_SYMBOL(pfifo_pop); -EXPORT_SYMBOL(pfifo_fill_level); -EXPORT_SYMBOL(pfifo_empty); -EXPORT_SYMBOL(pfifo_request); -EXPORT_SYMBOL(pfifo_free); -- cgit v1.2.3-55-g7522