From: "Alice Guo (OSS)" <alice.guo@oss.nxp.com>
To: gregkh@linuxfoundation.org, rafael@kernel.org,
horia.geanta@nxp.com, aymen.sghaier@nxp.com,
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Cc: linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org,
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Subject: [RFC v1 PATCH 2/3] caam: add defer probe when the caam driver cannot identify SoC
Date: Mon, 19 Apr 2021 12:27:21 +0800 [thread overview]
Message-ID: <20210419042722.27554-3-alice.guo@oss.nxp.com> (raw)
In-Reply-To: <20210419042722.27554-1-alice.guo@oss.nxp.com>
From: Alice Guo <alice.guo@nxp.com>
When imx8_soc_info_driver uses module_platform_driver() to regitser
itself, the caam driver cannot identify the SoC in the machine because
the SoC driver is probed later, so that add return -EPROBE_DEFER.
Signed-off-by: Alice Guo <alice.guo@nxp.com>
---
drivers/crypto/caam/ctrl.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index ca0361b2dbb0..d08f8cc4131f 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -635,6 +635,9 @@ static int caam_probe(struct platform_device *pdev)
nprop = pdev->dev.of_node;
imx_soc_match = soc_device_match(caam_imx_soc_table);
+ if (IS_ERR(imx_soc_match))
+ return PTR_ERR(imx_soc_match);
+
caam_imx = (bool)imx_soc_match;
if (imx_soc_match) {
--
2.17.1
next prev parent reply other threads:[~2021-04-19 4:28 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-19 4:27 [RFC v1 PATCH 0/3] support soc_device_match to return -EPROBE_DEFER Alice Guo (OSS)
2021-04-19 4:27 ` [RFC v1 PATCH 1/3] drivers: soc: add support for soc_device_match returning -EPROBE_DEFER Alice Guo (OSS)
2021-04-19 4:49 ` Dominique MARTINET
2021-04-19 6:40 ` Alice Guo (OSS)
2021-04-19 8:20 ` Geert Uytterhoeven
2021-04-20 11:21 ` Dan Carpenter
2021-04-19 4:27 ` Alice Guo (OSS) [this message]
2021-04-19 4:27 ` [RFC v1 PATCH 3/3] driver: update all the code that use soc_device_match Alice Guo (OSS)
2021-04-19 5:02 ` Leon Romanovsky
2021-04-19 6:46 ` Alice Guo (OSS)
2021-04-19 5:02 ` Dominique MARTINET
2021-04-19 7:09 ` Alice Guo (OSS)
2021-04-19 9:03 ` Geert Uytterhoeven
2021-04-19 9:33 ` Dominique MARTINET
2021-04-19 12:16 ` Arnd Bergmann
2021-04-19 23:42 ` Dominique MARTINET
2021-04-20 9:07 ` Arnd Bergmann
2021-04-20 9:10 ` Arnd Bergmann
2021-04-19 13:36 ` Guenter Roeck
2021-04-20 9:40 ` Péter Ujfalusi
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