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SubjectRe: [PATCH RFC 2/7] platform-msi: Factor out allocation/free of private data
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On 2015/10/15 23:39, Marc Zyngier wrote:
> As we're going to have multiple paths to allocate/free the
> platform-msi private data, factor this out into separate
> utility functions.
>
> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
> ---
> drivers/base/platform-msi.c | 84 ++++++++++++++++++++++++++-------------------
> 1 file changed, 48 insertions(+), 36 deletions(-)
>
> diff --git a/drivers/base/platform-msi.c b/drivers/base/platform-msi.c
> index 6148c78..92666cd 100644
> --- a/drivers/base/platform-msi.c
> +++ b/drivers/base/platform-msi.c
> @@ -189,21 +189,11 @@ struct irq_domain *platform_msi_create_irq_domain(struct fwnode_handle *fwnode,
> return domain;
> }
>
> -/**
> - * platform_msi_domain_alloc_irqs - Allocate MSI interrupts for @dev
> - * @dev: The device for which to allocate interrupts
> - * @nvec: The number of interrupts to allocate
> - * @write_msi_msg: Callback to write an interrupt message for @dev
> - *
> - * Returns:
> - * Zero for success, or an error code in case of failure
> - */
> -int platform_msi_domain_alloc_irqs(struct device *dev, unsigned int nvec,
> - irq_write_msi_msg_t write_msi_msg)
> +static int platform_msi_alloc_priv_data(struct device *dev, unsigned int nvec,
> + irq_write_msi_msg_t write_msi_msg,
> + struct platform_msi_priv_data **data)
How about making platform_msi_alloc_priv_data() return a pointer
instead of an int, that may simplify the code a bit.


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