Thread (10 messages) 10 messages, 3 authors, 2024-03-14

Re: [PATCH v7 1/5] net: wan: Add support for QMC HDLC

From: Herve Codina <herve.codina@bootlin.com>
Date: 2024-03-14 07:12:05
Also in: linuxppc-dev, lkml

Hi Michael,

On Thu, 14 Mar 2024 10:05:37 +1100
Michael Ellerman [off-list ref] wrote:
Hi Herve,

Herve Codina [off-list ref] writes:
...
quoted hunk ↗ jump to hunk
This breaks when building as a module (eg. ppc32_allmodconfig):

  In file included from ../include/linux/device/driver.h:21,
                   from ../include/linux/device.h:32,
                   from ../include/linux/dma-mapping.h:8,
                   from ../drivers/net/wan/fsl_qmc_hdlc.c:13:
  ../drivers/net/wan/fsl_qmc_hdlc.c:405:25: error: ‘qmc_hdlc_driver’ undeclared here (not in a function); did you mean ‘qmc_hdlc_probe’?
    405 | MODULE_DEVICE_TABLE(of, qmc_hdlc_driver);
        |                         ^~~~~~~~~~~~~~~


IIUIC it should be pointing to the table, not the driver, so:
diff --git a/drivers/net/wan/fsl_qmc_hdlc.c b/drivers/net/wan/fsl_qmc_hdlc.c
index 5fd7ed325f5b..705c3681fb92 100644
--- a/drivers/net/wan/fsl_qmc_hdlc.c
+++ b/drivers/net/wan/fsl_qmc_hdlc.c
@@ -402,7 +402,7 @@ static const struct of_device_id qmc_hdlc_id_table[] = {
        { .compatible = "fsl,qmc-hdlc" },
        {} /* sentinel */
 };
-MODULE_DEVICE_TABLE(of, qmc_hdlc_driver);
+MODULE_DEVICE_TABLE(of, qmc_hdlc_id_table);

 static struct platform_driver qmc_hdlc_driver = {
        .driver = {

Which then builds correctly.
My bad, I missed that one.
I fully agree with your modification.

Do you want me to make a patch (copy/paste of your proposed modification)
or do you plan to send the patch on your side ?

Best regards,
Hervé

-- 
Hervé Codina, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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