diff options
| author | Ben Dooks (Codethink) <ben.dooks@codethink.co.uk> | 2019-10-15 18:07:02 +0200 |
|---|---|---|
| committer | Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2019-10-17 12:01:24 +0200 |
| commit | a243bf39d8be133f9d6d8c8b2565830c6d3d247b (patch) | |
| tree | 548ccbb2f2a5e55cf7ae72727a059429b69a6306 /drivers/pci/controller/pcie-iproc-msi.c | |
| parent | Linux 5.4-rc1 (diff) | |
| download | linux-a243bf39d8be133f9d6d8c8b2565830c6d3d247b.tar.xz linux-a243bf39d8be133f9d6d8c8b2565830c6d3d247b.zip | |
PCI: iproc-msi: Fix __iomem annotation in decode_msi_hwirq()
Fix __iomem attribute on msg variable passed to readl() in
the decode_msi_hwirq() function. Fixes the following sparse
warning:
drivers/pci/controller/pcie-iproc-msi.c:301:17: warning: incorrect type in argument 1 (different address spaces)
drivers/pci/controller/pcie-iproc-msi.c:301:17: expected void const volatile [noderef] <asn:2> *addr
drivers/pci/controller/pcie-iproc-msi.c:301:17: got unsigned int [usertype] *[assigned] msg
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Andrew Murray <andrew.murray@arm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>
Cc: bcm-kernel-feedback-list@broadcom.com
Cc: linux-pci@vger.kernel.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Diffstat (limited to 'drivers/pci/controller/pcie-iproc-msi.c')
| -rw-r--r-- | drivers/pci/controller/pcie-iproc-msi.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/pci/controller/pcie-iproc-msi.c b/drivers/pci/controller/pcie-iproc-msi.c index 0a3f61be5625..3176ad3ab0e5 100644 --- a/drivers/pci/controller/pcie-iproc-msi.c +++ b/drivers/pci/controller/pcie-iproc-msi.c @@ -293,11 +293,12 @@ static const struct irq_domain_ops msi_domain_ops = { static inline u32 decode_msi_hwirq(struct iproc_msi *msi, u32 eq, u32 head) { - u32 *msg, hwirq; + u32 __iomem *msg; + u32 hwirq; unsigned int offs; offs = iproc_msi_eq_offset(msi, eq) + head * sizeof(u32); - msg = (u32 *)(msi->eq_cpu + offs); + msg = (u32 __iomem *)(msi->eq_cpu + offs); hwirq = readl(msg); hwirq = (hwirq >> 5) + (hwirq & 0x1f); |