This is a note to let you know that I've just added the patch titled
EDAC/dmc520: Don't print an error for each unconfigured interrupt line
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
edac-dmc520-don-t-print-an-error-for-each-unconfigur.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit f9190abacbab47aab23552c07dbcbdd5b018dd2a
Author: Tyler Hicks <tyhicks@xxxxxxxxxxxxxxxxxxx>
Date: Tue Jan 11 10:38:00 2022 -0600
EDAC/dmc520: Don't print an error for each unconfigured interrupt line
[ Upstream commit ad2df24732e8956a45a00894d2163c4ee8fb0e1f ]
The dmc520 driver requires that at least one interrupt line, out of the
ten possible, is configured. The driver prints an error and returns
-EINVAL from its .probe function if there are no interrupt lines
configured.
Don't print a KERN_ERR level message for each interrupt line that's
unconfigured as that can confuse users into thinking that there is an
error condition.
Before this change, the following KERN_ERR level messages would be
reported if only dram_ecc_errc and dram_ecc_errd were configured in the
device tree:
dmc520 68000000.dmc: IRQ ram_ecc_errc not found
dmc520 68000000.dmc: IRQ ram_ecc_errd not found
dmc520 68000000.dmc: IRQ failed_access not found
dmc520 68000000.dmc: IRQ failed_prog not found
dmc520 68000000.dmc: IRQ link_err not
dmc520 68000000.dmc: IRQ temperature_event not found
dmc520 68000000.dmc: IRQ arch_fsm not found
dmc520 68000000.dmc: IRQ phy_request not found
Fixes: 1088750d7839 ("EDAC: Add EDAC driver for DMC520")
Reported-by: Sinan Kaya <okaya@xxxxxxxxxx>
Signed-off-by: Tyler Hicks <tyhicks@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Link: https://lore.kernel.org/r/20220111163800.22362-1-tyhicks@xxxxxxxxxxxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/edac/dmc520_edac.c b/drivers/edac/dmc520_edac.c
index b8a7d9594afd..1fa5ca57e9ec 100644
--- a/drivers/edac/dmc520_edac.c
+++ b/drivers/edac/dmc520_edac.c
@@ -489,7 +489,7 @@ static int dmc520_edac_probe(struct platform_device *pdev)
dev = &pdev->dev;
for (idx = 0; idx < NUMBER_OF_IRQS; idx++) {
- irq = platform_get_irq_byname(pdev, dmc520_irq_configs[idx].name);
+ irq = platform_get_irq_byname_optional(pdev, dmc520_irq_configs[idx].name);
irqs[idx] = irq;
masks[idx] = dmc520_irq_configs[idx].mask;
if (irq >= 0) {
