[tip:irq/core] irqchip/gicv2m: Miscellaneous fixes for v2m resources and SPI ranges

From: tip-bot for Suravee Suthikulpanit
Date: Tue Dec 29 2015 - 06:04:41 EST


Commit-ID: 5a1ff480f4ec40ace313c16b0543c7c6af09e227
Gitweb: http://git.kernel.org/tip/5a1ff480f4ec40ace313c16b0543c7c6af09e227
Author: Suravee Suthikulpanit <Suravee.Suthikulpanit@xxxxxxx>
AuthorDate: Tue, 22 Dec 2015 16:24:23 -0800
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Tue, 29 Dec 2015 11:58:53 +0100

irqchip/gicv2m: Miscellaneous fixes for v2m resources and SPI ranges

This patch contain fixes for v2m resources and SPI ranges:

* Fix off-by-one error when set up v2m resource end range in
gicv2m_acpi_init().

* Fix the off-by-one print error for SPI range.

* Use %pR to properly print resource range information.

Both ACPI and DT should now print:

GICv2m: range[mem 0xe1180000-0xe1180fff], SPI[64:319]

Suggested-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@xxxxxxx>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
Cc: Will Deacon <will.deacon@xxxxxxx>
Cc: Catalin Marinas <Catalin.Marinas@xxxxxxx>
Cc: <hanjun.guo@xxxxxxxxxx>
Cc: <tomasz.nowicki@xxxxxxxxxx>
Cc: <graeme.gregory@xxxxxxxxxx>
Cc: <dhdang@xxxxxxx>
Cc: <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>
Cc: <marc.zyngier@xxxxxxx>
Cc: <jason@xxxxxxxxxxxxxx>
Cc: <rjw@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1450830263-28914-1-git-send-email-Suravee.Suthikulpanit@xxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
drivers/irqchip/irq-gic-v2m.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/irqchip/irq-gic-v2m.c b/drivers/irqchip/irq-gic-v2m.c
index e2d2d02..c779f83 100644
--- a/drivers/irqchip/irq-gic-v2m.c
+++ b/drivers/irqchip/irq-gic-v2m.c
@@ -365,9 +365,8 @@ static int __init gicv2m_init_one(struct fwnode_handle *fwnode,

list_add_tail(&v2m->entry, &v2m_nodes);

- pr_info("range[%#lx:%#lx], SPI[%d:%d]\n",
- (unsigned long)res->start, (unsigned long)res->end,
- v2m->spi_start, (v2m->spi_start + v2m->nr_spis));
+ pr_info("range%pR, SPI[%d:%d]\n", res,
+ v2m->spi_start, (v2m->spi_start + v2m->nr_spis - 1));
return 0;

err_iounmap:
@@ -456,7 +455,8 @@ acpi_parse_madt_msi(struct acpi_subtable_header *header,
return -EINVAL;

res.start = m->base_address;
- res.end = m->base_address + SZ_4K;
+ res.end = m->base_address + SZ_4K - 1;
+ res.flags = IORESOURCE_MEM;

if (m->flags & ACPI_MADT_OVERRIDE_SPI_VALUES) {
spi_start = m->spi_base;
--
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