diff options
author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-01-15 15:58:25 -0500 |
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committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-01-15 15:58:25 -0500 |
commit | 7bcc1ec07748cae3552dc9b46701c117926c8923 (patch) | |
tree | 2b3edc7de77ca306b2559ae341077094bac8c4a2 /drivers/gpio/gpio-mvebu.c | |
parent | e5c702d3b268066dc70d619ecff06a08065f343f (diff) | |
parent | 29594404d7fe73cd80eaa4ee8c43dcc53970c60e (diff) |
Merge tag 'v3.7' into stable/for-linus-3.8
Linux 3.7
* tag 'v3.7': (833 commits)
Linux 3.7
Input: matrix-keymap - provide proper module license
Revert "revert "Revert "mm: remove __GFP_NO_KSWAPD""" and associated damage
ipv4: ip_check_defrag must not modify skb before unsharing
Revert "mm: avoid waking kswapd for THP allocations when compaction is deferred or contended"
inet_diag: validate port comparison byte code to prevent unsafe reads
inet_diag: avoid unsafe and nonsensical prefix matches in inet_diag_bc_run()
inet_diag: validate byte code to prevent oops in inet_diag_bc_run()
inet_diag: fix oops for IPv4 AF_INET6 TCP SYN-RECV state
mm: vmscan: fix inappropriate zone congestion clearing
vfs: fix O_DIRECT read past end of block device
net: gro: fix possible panic in skb_gro_receive()
tcp: bug fix Fast Open client retransmission
tmpfs: fix shared mempolicy leak
mm: vmscan: do not keep kswapd looping forever due to individual uncompactable zones
mm: compaction: validate pfn range passed to isolate_freepages_block
mmc: sh-mmcif: avoid oops on spurious interrupts (second try)
Revert misapplied "mmc: sh-mmcif: avoid oops on spurious interrupts"
mmc: sdhci-s3c: fix missing clock for gpio card-detect
lib/Makefile: Fix oid_registry build dependency
...
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Conflicts:
arch/arm/xen/enlighten.c
drivers/xen/Makefile
[We need to have the v3.7 base as the 'for-3.8' was based off v3.7-rc3
and there are some patches in v3.7-rc6 that we to have in our branch]
Diffstat (limited to 'drivers/gpio/gpio-mvebu.c')
-rw-r--r-- | drivers/gpio/gpio-mvebu.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index 7a874129e5d..be65c0451ad 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -92,6 +92,11 @@ static inline void __iomem *mvebu_gpioreg_out(struct mvebu_gpio_chip *mvchip) return mvchip->membase + GPIO_OUT_OFF; } +static inline void __iomem *mvebu_gpioreg_blink(struct mvebu_gpio_chip *mvchip) +{ + return mvchip->membase + GPIO_BLINK_EN_OFF; +} + static inline void __iomem *mvebu_gpioreg_io_conf(struct mvebu_gpio_chip *mvchip) { return mvchip->membase + GPIO_IO_CONF_OFF; @@ -206,6 +211,23 @@ static int mvebu_gpio_get(struct gpio_chip *chip, unsigned pin) return (u >> pin) & 1; } +static void mvebu_gpio_blink(struct gpio_chip *chip, unsigned pin, int value) +{ + struct mvebu_gpio_chip *mvchip = + container_of(chip, struct mvebu_gpio_chip, chip); + unsigned long flags; + u32 u; + + spin_lock_irqsave(&mvchip->lock, flags); + u = readl_relaxed(mvebu_gpioreg_blink(mvchip)); + if (value) + u |= 1 << pin; + else + u &= ~(1 << pin); + writel_relaxed(u, mvebu_gpioreg_blink(mvchip)); + spin_unlock_irqrestore(&mvchip->lock, flags); +} + static int mvebu_gpio_direction_input(struct gpio_chip *chip, unsigned pin) { struct mvebu_gpio_chip *mvchip = @@ -244,6 +266,9 @@ static int mvebu_gpio_direction_output(struct gpio_chip *chip, unsigned pin, if (ret) return ret; + mvebu_gpio_blink(chip, pin, 0); + mvebu_gpio_set(chip, pin, value); + spin_lock_irqsave(&mvchip->lock, flags); u = readl_relaxed(mvebu_gpioreg_io_conf(mvchip)); u &= ~(1 << pin); @@ -644,7 +669,7 @@ static int __devinit mvebu_gpio_probe(struct platform_device *pdev) ct->handler = handle_edge_irq; ct->chip.name = mvchip->chip.label; - irq_setup_generic_chip(gc, IRQ_MSK(ngpios), IRQ_GC_INIT_MASK_CACHE, + irq_setup_generic_chip(gc, IRQ_MSK(ngpios), 0, IRQ_NOREQUEST, IRQ_LEVEL | IRQ_NOPROBE); /* Setup irq domain on top of the generic chip. */ |