From: Nicolas Frayer <nfrayer@baylibre.com>
To: nm@ti.com, ssantosh@kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, peter.ujfalusi@gmail.com,
vkoul@kernel.org, dmaengine@vger.kernel.org,
grygorii.strashko@ti.com, davem@davemloft.net,
edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
linux-omap@vger.kernel.org, netdev@vger.kernel.org
Cc: khilman@baylibre.com, glaroque@baylibre.com, nfrayer@baylibre.com
Subject: [PATCH v4 3/4] dmaengine: ti: k3-udma: Deferring probe when soc_device_match() returns NULL
Date: Tue, 8 Nov 2022 19:11:43 +0100 [thread overview]
Message-ID: <20221108181144.433087-4-nfrayer@baylibre.com> (raw)
In-Reply-To: <20221108181144.433087-1-nfrayer@baylibre.com>
When the k3 socinfo driver is built as a module, there is a possibility
that it will probe after the k3 udma driver and the later returns -ENODEV.
By deferring the k3 udma probe we allow the k3 socinfo to probe and
register the soc_device_attribute structure needed by the k3 udma driver.
Signed-off-by: Nicolas Frayer <nfrayer@baylibre.com>
---
drivers/dma/ti/k3-udma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
index 7b5081989b3d..a6bb5077900b 100644
--- a/drivers/dma/ti/k3-udma.c
+++ b/drivers/dma/ti/k3-udma.c
@@ -5285,7 +5285,7 @@ static int udma_probe(struct platform_device *pdev)
soc = soc_device_match(k3_soc_devices);
if (!soc) {
dev_err(dev, "No compatible SoC found\n");
- return -ENODEV;
+ return -EPROBE_DEFER;
}
ud->soc_data = soc->data;
--
2.25.1
next prev parent reply other threads:[~2022-11-08 18:12 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-08 18:11 [PATCH v4 0/4] soc: ti: Add module build support to the socinfo Nicolas Frayer
2022-11-08 18:11 ` [PATCH v4 1/4] soc: ti: Convert allocations to devm Nicolas Frayer
2022-11-08 18:11 ` [PATCH v4 2/4] soc: ti: Add module build support Nicolas Frayer
2022-11-08 18:18 ` Randy Dunlap
2022-11-24 9:04 ` Nicolas Frayer
2022-11-24 7:54 ` Péter Ujfalusi
2022-11-24 9:01 ` Nicolas Frayer
2022-11-08 18:11 ` Nicolas Frayer [this message]
2022-11-08 18:11 ` [PATCH v4 4/4] net: ethernet: ti: davinci_mdio: Deferring probe when soc_device_match() returns NULL Nicolas Frayer
2022-11-10 11:21 ` Paolo Abeni
2022-11-16 10:52 ` Nicolas Frayer
2022-11-23 15:59 ` Vignesh Raghavendra
2022-11-23 17:33 ` Kevin Hilman
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