On 02/20/2015 12:13 PM, Matwey V. Kornilov wrote:
> 2015-02-20 13:06 GMT+03:00 Stanimir Varbanov <svarbanov@xxxxxxxxxx>:
>> On 02/19/2015 07:41 PM, Matwey V. Kornilov wrote:
>>> spear13xx_pcie_driver.driver is allocated in text.init section
>>> and then the pointer to it is passed futher. This patch is to avoid
>>> crashes like the following, when freed memory is used.
>>>
>>> Also, __init has been dropped from the probe() function referred from the struct
>>> and all called functions.
>>>
>>
>> <snip>
>>
>>>
>>> Signed-off-by: Matwey V. Kornilov <matwey@xxxxxxxxxx>
>>> ---
>>> Changes from v2:
>>> - Drop __init from all probing functions to allow deferred probing.
>>> Changes from v1:
>>> - Use platform_driver_probe instead of platform_driver_register to make linker happy.
>>>
>>> drivers/pci/host/pcie-designware.c | 2 +-
>>> drivers/pci/host/pcie-spear13xx.c | 6 +++---
>>> 2 files changed, 4 insertions(+), 4 deletions(-)
>>>
>>> diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c
>>> index df781cd..5b8a056 100644
>>> --- a/drivers/pci/host/pcie-designware.c
>>> +++ b/drivers/pci/host/pcie-designware.c
>>> @@ -339,7 +339,7 @@ static const struct irq_domain_ops msi_domain_ops = {
>>> .map = dw_pcie_msi_map,
>>> };
>>>
>>> -int __init dw_pcie_host_init(struct pcie_port *pp)
>>> +int dw_pcie_host_init(struct pcie_port *pp)
>>> {
>>
>> we need to fix up the other pci drivers which use dw_pcie_host_init(), too.
>>
>> pci-exynos, pci-imx6, pci-keystone and pci-layerscape.
>>
>> Could you prepare a patch with above drivers included?
>
> What is wrong with them? To call ordinary function from __init section
> is perfectly legal.
I thought in context of probe defer. But this will be subject to another
patch. So ignore my comment.
--
regards,
Stan
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