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SubjectRe: [PATCH v2 09/23] soc: fsl: qe: move qe_ic_cascade_* functions to qe_ic.c
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Le 25/10/2019 à 14:40, Rasmus Villemoes a écrit :
> These functions are only ever called through a function pointer, and
> therefore it makes no sense for them to be "static inline" - gcc has
> no choice but to emit a copy in each translation unit that takes the
> address of one of these (currently various platform code under
> arch/powerpc/). So move them into qe_ic.c and leave ordinary extern
> declarations in the header file.

What is the point in moving fonctions that you will drop in the next
patch (qe_ic_cascade_low_ipic() and qe_ic_cascade_high_ipic())
Only move the ones that will remain.

Christophe


>
> Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
> ---
> drivers/soc/fsl/qe/qe_ic.c | 58 +++++++++++++++++++++++++++++++++++
> include/soc/fsl/qe/qe_ic.h | 62 +++-----------------------------------
> 2 files changed, 63 insertions(+), 57 deletions(-)
>
> diff --git a/drivers/soc/fsl/qe/qe_ic.c b/drivers/soc/fsl/qe/qe_ic.c
> index 7b1870d2866a..a847b2672e90 100644
> --- a/drivers/soc/fsl/qe/qe_ic.c
> +++ b/drivers/soc/fsl/qe/qe_ic.c
> @@ -402,6 +402,64 @@ unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic)
> return irq_linear_revmap(qe_ic->irqhost, irq);
> }
>
> +void qe_ic_cascade_low_ipic(struct irq_desc *desc)
> +{
> + struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
> + unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic);
> +
> + if (cascade_irq != NO_IRQ)
> + generic_handle_irq(cascade_irq);
> +}
> +
> +void qe_ic_cascade_high_ipic(struct irq_desc *desc)
> +{
> + struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
> + unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic);
> +
> + if (cascade_irq != NO_IRQ)
> + generic_handle_irq(cascade_irq);
> +}
> +
> +void qe_ic_cascade_low_mpic(struct irq_desc *desc)
> +{
> + struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
> + unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic);
> + struct irq_chip *chip = irq_desc_get_chip(desc);
> +
> + if (cascade_irq != NO_IRQ)
> + generic_handle_irq(cascade_irq);
> +
> + chip->irq_eoi(&desc->irq_data);
> +}
> +
> +void qe_ic_cascade_high_mpic(struct irq_desc *desc)
> +{
> + struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
> + unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic);
> + struct irq_chip *chip = irq_desc_get_chip(desc);
> +
> + if (cascade_irq != NO_IRQ)
> + generic_handle_irq(cascade_irq);
> +
> + chip->irq_eoi(&desc->irq_data);
> +}
> +
> +void qe_ic_cascade_muxed_mpic(struct irq_desc *desc)
> +{
> + struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
> + unsigned int cascade_irq;
> + struct irq_chip *chip = irq_desc_get_chip(desc);
> +
> + cascade_irq = qe_ic_get_high_irq(qe_ic);
> + if (cascade_irq == NO_IRQ)
> + cascade_irq = qe_ic_get_low_irq(qe_ic);
> +
> + if (cascade_irq != NO_IRQ)
> + generic_handle_irq(cascade_irq);
> +
> + chip->irq_eoi(&desc->irq_data);
> +}
> +
> void __init qe_ic_init(struct device_node *node, unsigned int flags,
> void (*low_handler)(struct irq_desc *desc),
> void (*high_handler)(struct irq_desc *desc))
> diff --git a/include/soc/fsl/qe/qe_ic.h b/include/soc/fsl/qe/qe_ic.h
> index 714a9b890d8d..f3492eb13052 100644
> --- a/include/soc/fsl/qe/qe_ic.h
> +++ b/include/soc/fsl/qe/qe_ic.h
> @@ -74,62 +74,10 @@ void qe_ic_set_highest_priority(unsigned int virq, int high);
> int qe_ic_set_priority(unsigned int virq, unsigned int priority);
> int qe_ic_set_high_priority(unsigned int virq, unsigned int priority, int high);
>
> -static inline void qe_ic_cascade_low_ipic(struct irq_desc *desc)
> -{
> - struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
> - unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic);
> -
> - if (cascade_irq != NO_IRQ)
> - generic_handle_irq(cascade_irq);
> -}
> -
> -static inline void qe_ic_cascade_high_ipic(struct irq_desc *desc)
> -{
> - struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
> - unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic);
> -
> - if (cascade_irq != NO_IRQ)
> - generic_handle_irq(cascade_irq);
> -}
> -
> -static inline void qe_ic_cascade_low_mpic(struct irq_desc *desc)
> -{
> - struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
> - unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic);
> - struct irq_chip *chip = irq_desc_get_chip(desc);
> -
> - if (cascade_irq != NO_IRQ)
> - generic_handle_irq(cascade_irq);
> -
> - chip->irq_eoi(&desc->irq_data);
> -}
> -
> -static inline void qe_ic_cascade_high_mpic(struct irq_desc *desc)
> -{
> - struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
> - unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic);
> - struct irq_chip *chip = irq_desc_get_chip(desc);
> -
> - if (cascade_irq != NO_IRQ)
> - generic_handle_irq(cascade_irq);
> -
> - chip->irq_eoi(&desc->irq_data);
> -}
> -
> -static inline void qe_ic_cascade_muxed_mpic(struct irq_desc *desc)
> -{
> - struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
> - unsigned int cascade_irq;
> - struct irq_chip *chip = irq_desc_get_chip(desc);
> -
> - cascade_irq = qe_ic_get_high_irq(qe_ic);
> - if (cascade_irq == NO_IRQ)
> - cascade_irq = qe_ic_get_low_irq(qe_ic);
> -
> - if (cascade_irq != NO_IRQ)
> - generic_handle_irq(cascade_irq);
> -
> - chip->irq_eoi(&desc->irq_data);
> -}
> +void qe_ic_cascade_low_ipic(struct irq_desc *desc);
> +void qe_ic_cascade_high_ipic(struct irq_desc *desc);
> +void qe_ic_cascade_low_mpic(struct irq_desc *desc);
> +void qe_ic_cascade_high_mpic(struct irq_desc *desc);
> +void qe_ic_cascade_muxed_mpic(struct irq_desc *desc);
>
> #endif /* _ASM_POWERPC_QE_IC_H */
>

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