[PATCH 2/2] PCI/switechtec: Add missing __iomem tag to fix sparse warnings

[Logan Gunthorpe]

Fix a missing __iomem tag in the init_pfn() function. This fixes a
sparse warning of the form:

   sparse: sparse: incorrect type assignment(different address spaces)

Fixes: 080b47def5e5 ("MicroSemi Switchtec management interface driver")
Signed-off-by: Logan Gunthorpe <logang@xxxxxxxxxxxx>
---
 drivers/pci/switch/switchtec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c
index 3d5da7f44378..ba52459928f7 100644
--- a/drivers/pci/switch/switchtec.c
+++ b/drivers/pci/switch/switchtec.c
@@ -1484,7 +1484,7 @@ static void init_pff(struct switchtec_dev *stdev)
 {
 	int i;
 	u32 reg;
-	struct part_cfg_regs *pcfg = stdev->mmio_part_cfg;
+	struct part_cfg_regs __iomem *pcfg = stdev->mmio_part_cfg;
 
 	for (i = 0; i < SWITCHTEC_MAX_PFF_CSR; i++) {
 		reg = ioread16(&stdev->mmio_pff_csr[i].vendor_id);
-- 
2.20.1