Re: [PATCH -next] fbdev: via: Fix section mismatch warning in via_core_init()

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On 2022/11/15 13:14, Helge Deller wrote:
On 11/15/22 03:53, Shang XiaoJing wrote:
Due to viafb_exit() with "__exit" tag, it should not be called by the
__init function via_core_init().

I wonder if you can't instead of this and your previous patch (ab885d8c7e15)
turn the i2c and gpio drivers to proper platform drivers, e.g.
adding to bottom of via/via_i2c.c:
module_platform_driver(&via_i2c_driver)
instead of viafb_i2c_init() and viafb_i2c_exit().

Shouldn't they then automatically be loaded/unloaded?


I'm sorry that I have no idea how to change an i2c driver to a platform driver.

As for module_platform_driver(), I have checked and it looks like just a helper macro to definite XXX_init() and XXX_exit() instead of automatically load/unload the driver.

Besides, the XXX_init() and XXX_exit() definited by the module_platform_driver() can only call platform_driver_register()/platform_driver_unregister(), perhaps not suitable for via_driver? (or just need to call platform_driver_register() after change to platform driver)

Thanks,
--
Shang XiaoJing



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