On 11 February 2015 at 00:31, Matwey V. Kornilov <matwey@xxxxxxxxxx> wrote:
> Use platform_driver_probe instead of platform_driver_register
> because the former allows us to use probe function placed into __init section
> and the driver itself is not support hotplugging (yet?).
>
> Signed-off-by: Matwey V. Kornilov <matwey@xxxxxxxxxx>
> ---
> Changes from v1:
> - Use platform_driver_probe instead of platform_driver_register to make linker happy.
>
> drivers/pci/host/pcie-spear13xx.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/pci/host/pcie-spear13xx.c b/drivers/pci/host/pcie-spear13xx.c
> index 866465f..51e1344 100644
> --- a/drivers/pci/host/pcie-spear13xx.c
> +++ b/drivers/pci/host/pcie-spear13xx.c
> @@ -371,7 +371,6 @@ static const struct of_device_id spear13xx_pcie_of_match[] = {
> MODULE_DEVICE_TABLE(of, spear13xx_pcie_of_match);
>
> static struct platform_driver spear13xx_pcie_driver __initdata = {
> - .probe = spear13xx_pcie_probe,
> .driver = {
> .name = "spear-pcie",
> .of_match_table = of_match_ptr(spear13xx_pcie_of_match),
> @@ -382,7 +381,7 @@ static struct platform_driver spear13xx_pcie_driver __initdata = {
>
> static int __init spear13xx_pcie_init(void)
> {
> - return platform_driver_register(&spear13xx_pcie_driver);
> + return platform_driver_probe(&spear13xx_pcie_driver, spear13xx_pcie_probe);
> }
> module_init(spear13xx_pcie_init);
The problem here is that the driver is never registered. And we might never
see it in sysfs. Probably a better solution would be to just remove all __init
parts from this driver. Let it take space even after it is used. And don't care
about it.
Sorry was busy in a conference and couldn't reply to your earlier mail on this.
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