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| author | Pavel Fedin <p.fedin@samsung.com> | 2015-09-13 13:14:33 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-09-15 17:06:29 +0200 |
| commit | 157add60cb35913b8a848a3d7e6456b8ed134796 (patch) | |
| tree | 819464c7e43d39e00c6a778d579468eb9c96897b /drivers/irqchip | |
| parent | irqchip/gic-v3-its: Add missing cache flushes (diff) | |
| download | linux-157add60cb35913b8a848a3d7e6456b8ed134796.tar.xz linux-157add60cb35913b8a848a3d7e6456b8ed134796.zip | |
irqchip/GICv2m: Fix GICv2m build warning on 32 bits
After GICv2m was enabled for 32-bit ARM kernel, a warning popped up:
drivers/irqchip/irq-gic-v2m.c: In function gicv2m_compose_msi_msg:
drivers/irqchip/irq-gic-v2m.c:100:2: warning: right shift count >= width
of type [enabled by default]
msg->address_hi = (u32) (addr >> 32);
^
This patch fixes it by using proper macros for splitting up the value.
Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Stuart Yoder <stuart.yoder@freescale.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Link: http://lkml.kernel.org/r/1442142873-20213-4-git-send-email-marc.zyngier@arm.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/irqchip')
| -rw-r--r-- | drivers/irqchip/irq-gic-v2m.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/irqchip/irq-gic-v2m.c b/drivers/irqchip/irq-gic-v2m.c index db04fc1f56b2..12985daa66ab 100644 --- a/drivers/irqchip/irq-gic-v2m.c +++ b/drivers/irqchip/irq-gic-v2m.c @@ -95,8 +95,8 @@ static void gicv2m_compose_msi_msg(struct irq_data *data, struct msi_msg *msg) struct v2m_data *v2m = irq_data_get_irq_chip_data(data); phys_addr_t addr = v2m->res.start + V2M_MSI_SETSPI_NS; - msg->address_hi = (u32) (addr >> 32); - msg->address_lo = (u32) (addr); + msg->address_hi = upper_32_bits(addr); + msg->address_lo = lower_32_bits(addr); msg->data = data->hwirq; } |