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From: Sergey Shtylyov <>
To: Jens Axboe <>, <>
Subject: [PATCH v2] pata_ep93xx: fix deferred probing
Date: Sat, 20 Mar 2021 23:32:38 +0300
Message-ID: <> (raw)

The driver overrides the error codes returned by platform_get_irq() to
-ENXIO, so if it returns -EPROBE_DEFER, the driver would fail the probe
permanently instead of the deferred probing.  Propagate the error code
upstream, as it should have been done from the start...

Fixes: 2fff27512600 ("PATA host controller driver for ep93xx")
Signed-off-by: Sergey Shtylyov <>

This patch is against the 'master' branch of Jens Axboe's 'linux-block.git'

Changes in version 2:
- split off the part fixing up IRQ0 case, adjusted the description accordingly.

 drivers/ata/pata_ep93xx.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-block/drivers/ata/pata_ep93xx.c
--- linux-block.orig/drivers/ata/pata_ep93xx.c
+++ linux-block/drivers/ata/pata_ep93xx.c
@@ -928,7 +928,7 @@ static int ep93xx_pata_probe(struct plat
 	/* INT[3] (IRQ_EP93XX_EXT3) line connected as pull down */
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0) {
-		err = -ENXIO;
+		err = irq;
 		goto err_rel_gpio;

             reply index

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-20 20:32 Sergey Shtylyov [this message]
2021-05-27 18:39 ` Sergey Shtylyov
2021-05-27 19:03   ` Jens Axboe
2021-05-27 19:10     ` Sergey Shtylyov

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