[RFC PATCH 04/15] irqchip: exynos_combiner: fixup reg access on be
Krzysztof Kozlowski
k.kozlowski at samsung.com
Fri Jun 10 04:44:40 PDT 2016
On 06/08/2016 08:30 PM, Matthew Leach wrote:
> Use the byte-order aware big endian accessors, allowing for kernels
> running under big-endian.
>
> Signed-off-by: Matthew Leach <matthew at mattleach.net>
> ---
> CC: Thomas Gleixner <tglx at linutronix.de>
> CC: Jason Cooper <jason at lakedaemon.net>
> CC: Marc Zyngier <marc.zyngier at arm.com>
> CC: Kukjin Kim <kgene at kernel.org>
> CC: Krzysztof Kozlowski <k.kozlowski at samsung.com>
> CC: linux-kernel at vger.kernel.org
> CC: linux-arm-kernel at lists.infradead.org
> CC: linux-samsung-soc at vger.kernel.org
> ---
> drivers/irqchip/exynos-combiner.c | 14 +++++++-------
> 1 file changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/irqchip/exynos-combiner.c b/drivers/irqchip/exynos-combiner.c
> index ead15be..b78a169 100644
> --- a/drivers/irqchip/exynos-combiner.c
> +++ b/drivers/irqchip/exynos-combiner.c
> @@ -55,14 +55,14 @@ static void combiner_mask_irq(struct irq_data *data)
> {
> u32 mask = 1 << (data->hwirq % 32);
>
> - __raw_writel(mask, combiner_base(data) + COMBINER_ENABLE_CLEAR);
> + writel_relaxed(mask, combiner_base(data) + COMBINER_ENABLE_CLEAR);
> }
>
> static void combiner_unmask_irq(struct irq_data *data)
> {
> u32 mask = 1 << (data->hwirq % 32);
>
> - __raw_writel(mask, combiner_base(data) + COMBINER_ENABLE_SET);
> + writel_relaxed(mask, combiner_base(data) + COMBINER_ENABLE_SET);
> }
>
> static void combiner_handle_cascade_irq(struct irq_desc *desc)
> @@ -75,7 +75,7 @@ static void combiner_handle_cascade_irq(struct irq_desc *desc)
> chained_irq_enter(chip, desc);
>
> spin_lock(&irq_controller_lock);
> - status = __raw_readl(chip_data->base + COMBINER_INT_STATUS);
> + status = readl_relaxed(chip_data->base + COMBINER_INT_STATUS);
> spin_unlock(&irq_controller_lock);
> status &= chip_data->irq_mask;
>
> @@ -135,7 +135,7 @@ static void __init combiner_init_one(struct combiner_chip_data *combiner_data,
> combiner_data->parent_irq = irq;
>
> /* Disable all interrupts */
> - __raw_writel(combiner_data->irq_mask, base + COMBINER_ENABLE_CLEAR);
> + writel_relaxed(combiner_data->irq_mask, base + COMBINER_ENABLE_CLEAR);
> }
>
> static int combiner_irq_domain_xlate(struct irq_domain *d,
> @@ -218,7 +218,7 @@ static int combiner_suspend(void)
>
> for (i = 0; i < max_nr; i++)
> combiner_data[i].pm_save =
> - __raw_readl(combiner_data[i].base + COMBINER_ENABLE_SET);
> + readl_relaxed(combiner_data[i].base + COMBINER_ENABLE_SET);
>
> return 0;
> }
> @@ -235,9 +235,9 @@ static void combiner_resume(void)
> int i;
>
> for (i = 0; i < max_nr; i++) {
> - __raw_writel(combiner_data[i].irq_mask,
> + writel_relaxed(combiner_data[i].irq_mask,
> combiner_data[i].base + COMBINER_ENABLE_CLEAR);
> - __raw_writel(combiner_data[i].pm_save,
> + writel_relaxed(combiner_data[i].pm_save,
> combiner_data[i].base + COMBINER_ENABLE_SET);
Indentation of arguments is broken. I think it was aligned before.
Beside that:
Reviewed-by: Krzysztof Kozlowski <k.kozlowski at samsung.com>
Best regards,
Krzysztof
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