Re: [PATCH v3] pci: spear: Drop __initdata from spear13xx_pcie_driver

From: Stanimir Varbanov
Date: Fri Feb 20 2015 - 05:06:46 EST


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?

<snip>

--
regards,
Stan
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