diff options
| author | Qiuxu Zhuo <qiuxu.zhuo@intel.com> | 2025-03-10 09:14:02 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-04-10 14:33:31 +0200 |
| commit | 13479cf576a6956a0c70c4264aaf044fca12f79d (patch) | |
| tree | fe6959426a26e73f8fbe96ff8c3c61145c681e2d /drivers/edac | |
| parent | 0d6f98d27d6c9e8e6a9fb2aa9bc7cefbd33ec841 (diff) | |
| download | linux-13479cf576a6956a0c70c4264aaf044fca12f79d.tar.gz linux-13479cf576a6956a0c70c4264aaf044fca12f79d.tar.bz2 linux-13479cf576a6956a0c70c4264aaf044fca12f79d.zip | |
EDAC/ie31200: Fix the DIMM size mask for several SoCs
[ Upstream commit 3427befbbca6b19fe0e37f91d66ce5221de70bf1 ]
The DIMM size mask for {Sky, Kaby, Coffee} Lake is not bits{7:0},
but bits{5:0}. Fix it.
Fixes: 953dee9bbd24 ("EDAC, ie31200_edac: Add Skylake support")
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Tested-by: Gary Wang <gary.c.wang@intel.com>
Link: https://lore.kernel.org/r/20250310011411.31685-3-qiuxu.zhuo@intel.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/edac')
| -rw-r--r-- | drivers/edac/ie31200_edac.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/edac/ie31200_edac.c b/drivers/edac/ie31200_edac.c index 98d74c604d72..92714dd88b3f 100644 --- a/drivers/edac/ie31200_edac.c +++ b/drivers/edac/ie31200_edac.c @@ -162,6 +162,7 @@ #define IE31200_MAD_DIMM_0_OFFSET 0x5004 #define IE31200_MAD_DIMM_0_OFFSET_SKL 0x500C #define IE31200_MAD_DIMM_SIZE GENMASK_ULL(7, 0) +#define IE31200_MAD_DIMM_SIZE_SKL GENMASK_ULL(5, 0) #define IE31200_MAD_DIMM_A_RANK BIT(17) #define IE31200_MAD_DIMM_A_RANK_SHIFT 17 #define IE31200_MAD_DIMM_A_RANK_SKL BIT(10) @@ -375,7 +376,7 @@ static void __iomem *ie31200_map_mchbar(struct pci_dev *pdev) static void __skl_populate_dimm_info(struct dimm_data *dd, u32 addr_decode, int chan) { - dd->size = (addr_decode >> (chan << 4)) & IE31200_MAD_DIMM_SIZE; + dd->size = (addr_decode >> (chan << 4)) & IE31200_MAD_DIMM_SIZE_SKL; dd->dual_rank = (addr_decode & (IE31200_MAD_DIMM_A_RANK_SKL << (chan << 4))) ? 1 : 0; dd->x16_width = ((addr_decode & (IE31200_MAD_DIMM_A_WIDTH_SKL << (chan << 4))) >> (IE31200_MAD_DIMM_A_WIDTH_SKL_SHIFT + (chan << 4))); |