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Date: Mon, 7 Feb 2022 12:06:19 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Sergey Shtylyov <s.shtylyov@....ru>, Borislav Petkov <bp@...e.de>, Dinh Nguyen <dinguyen@...nel.org> Subject: [PATCH 4.9 46/48] EDAC/altera: Fix deferred probing From: Sergey Shtylyov <s.shtylyov@....ru> commit 279eb8575fdaa92c314a54c0d583c65e26229107 upstream. The driver overrides the error codes returned by platform_get_irq() to -ENODEV for some strange reason, so if it returns -EPROBE_DEFER, the driver will fail the probe permanently instead of the deferred probing. Switch to propagating the proper error codes to platform driver code upwards. [ bp: Massage commit message. ] Fixes: 71bcada88b0f ("edac: altera: Add Altera SDRAM EDAC support") Signed-off-by: Sergey Shtylyov <s.shtylyov@....ru> Signed-off-by: Borislav Petkov <bp@...e.de> Acked-by: Dinh Nguyen <dinguyen@...nel.org> Cc: <stable@...r.kernel.org> Link: https://lore.kernel.org/r/20220124185503.6720-2-s.shtylyov@omp.ru Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/edac/altera_edac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/edac/altera_edac.c +++ b/drivers/edac/altera_edac.c @@ -363,7 +363,7 @@ static int altr_sdram_probe(struct platf if (irq < 0) { edac_printk(KERN_ERR, EDAC_MC, "No irq %d in DT\n", irq); - return -ENODEV; + return irq; } /* Arria10 has a 2nd IRQ */
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