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EDAC, pnd2: Use proper I/O accessors and address space annotation

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The driver uses rather voodoo kind of castings and I/O accessors.
Replace it with proper __iomem annotation and readl()/readq() calls.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Henning Schild <henning.schild@siemens.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Andy Shevchenko 2022-06-06 19:41:33 +03:00 committed by Lee Jones
parent 5c7b9167dd
commit 6adc32f58b
1 changed files with 4 additions and 3 deletions
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7
drivers/edac/pnd2_edac.c
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@ -265,7 +265,7 @@ static u64 get_sideband_reg_base_addr(void)
static int dnv_rd_reg(int port, int off, int op, void *data, size_t sz, char *name) static int dnv_rd_reg(int port, int off, int op, void *data, size_t sz, char *name)
{ {
struct pci_dev *pdev; struct pci_dev *pdev;
char *base; void __iomem *base;
u64 addr; u64 addr;
unsigned long size; unsigned long size;
@ -297,8 +297,9 @@ static int dnv_rd_reg(int port, int off, int op, void *data, size_t sz, char *na
return -ENODEV; return -ENODEV;
if (sz == 8) if (sz == 8)
*(u32 *)(data + 4) = *(u32 *)(base + off + 4); *(u64 *)data = readq(base + off);
*(u32 *)data = *(u32 *)(base + off); else
*(u32 *)data = readl(base + off);
iounmap(base); iounmap(base);
} }