/* * Driver for the NXP ISP1760 chip * * Copyright 2014 Laurent Pinchart * Copyright 2007 Sebastian Siewior * * Contacts: * Sebastian Siewior * Laurent Pinchart * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * version 2 as published by the Free Software Foundation. */ #ifndef _ISP1760_CORE_H_ #define _ISP1760_CORE_H_ #include #include "isp1760-hcd.h" #include "isp1760-udc.h" struct device; struct gpio_desc; /* * Device flags that can vary from board to board. All of these * indicate the most "atypical" case, so that a devflags of 0 is * a sane default configuration. */ #define ISP1760_FLAG_BUS_WIDTH_16 0x00000002 /* 16-bit data bus width */ #define ISP1760_FLAG_OTG_EN 0x00000004 /* Port 1 supports OTG */ #define ISP1760_FLAG_ANALOG_OC 0x00000008 /* Analog overcurrent */ #define ISP1760_FLAG_DACK_POL_HIGH 0x00000010 /* DACK active high */ #define ISP1760_FLAG_DREQ_POL_HIGH 0x00000020 /* DREQ active high */ #define ISP1760_FLAG_ISP1761 0x00000040 /* Chip is ISP1761 */ #define ISP1760_FLAG_INTR_POL_HIGH 0x00000080 /* Interrupt polarity active high */ #define ISP1760_FLAG_INTR_EDGE_TRIG 0x00000100 /* Interrupt edge triggered */ struct isp1760_device { struct device *dev; void __iomem *regs; unsigned int devflags; struct gpio_desc *rst_gpio; struct isp1760_hcd hcd; struct isp1760_udc udc; }; int isp1760_register(struct resource *mem, int irq, unsigned long irqflags, struct device *dev, unsigned int devflags); void isp1760_unregister(struct device *dev); void isp1760_set_pullup(struct isp1760_device *isp, bool enable); static inline u32 isp1760_read32(void __iomem *base, u32 reg) { return readl(base + reg); } static inline void isp1760_write32(void __iomem *base, u32 reg, u32 val) { writel(val, base + reg); } #endif d=cdca06e4e85974d8a3503ab15709dbbaf90d3dd1'>commitdiff
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authorAlexander Stein <alexander.stein@systec-electronic.com>2017-01-30 12:35:28 +0100
committerLinus Walleij <linus.walleij@linaro.org>2017-01-30 15:53:57 +0100
commitcdca06e4e85974d8a3503ab15709dbbaf90d3dd1 (patch)
tree268b0c01070a957006db97c88dccb5fb061440ff /fs/xfs/xfs_pnfs.c
parent1b89970d81bbd52720fc64a3fe9572ee33588363 (diff)
pinctrl: baytrail: Add missing spinlock usage in byt_gpio_irq_handler
According to VLI64 Intel Atom E3800 Specification Update (#329901) concurrent read accesses may result in returning 0xffffffff and write accesses may be dropped silently. To workaround all accesses must be protected by locks. Cc: stable@vger.kernel.org Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'fs/xfs/xfs_pnfs.c')