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Merge tag 'edac_urgent_for_v6.7_rc6' of git://git.kernel.org/pub/scm/…
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…linux/kernel/git/ras/ras

Pull EDAC fix from Borislav Petkov:

 - A single fix for the EDAC Versal driver to read out register fields
   properly

* tag 'edac_urgent_for_v6.7_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
  EDAC/versal: Read num_csrows and num_chans using the correct bitfield macro
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Linus Torvalds committed Dec 17, 2023
2 parents 5ef3720 + 9483aa4 commit ef6a7c2
Showing 1 changed file with 2 additions and 2 deletions.
4 changes: 2 additions & 2 deletions drivers/edac/versal_edac.c
Original file line number Diff line number Diff line change
Expand Up @@ -966,10 +966,10 @@ static int mc_probe(struct platform_device *pdev)
edac_mc_id = emif_get_id(pdev->dev.of_node);

regval = readl(ddrmc_baseaddr + XDDR_REG_CONFIG0_OFFSET);
num_chans = FIELD_PREP(XDDR_REG_CONFIG0_NUM_CHANS_MASK, regval);
num_chans = FIELD_GET(XDDR_REG_CONFIG0_NUM_CHANS_MASK, regval);
num_chans++;

num_csrows = FIELD_PREP(XDDR_REG_CONFIG0_NUM_RANKS_MASK, regval);
num_csrows = FIELD_GET(XDDR_REG_CONFIG0_NUM_RANKS_MASK, regval);
num_csrows *= 2;
if (!num_csrows)
num_csrows = 1;
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