diff options
author | Ben Dooks <ben.dooks@codethink.co.uk> | 2016-06-21 11:20:30 +0100 |
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committer | Jason Cooper <jason@lakedaemon.net> | 2016-06-23 18:28:00 +0000 |
commit | 353332855eef20dc5ae8cd42aaafb4750748f90b (patch) | |
tree | b66755f4ed930f0a892a42e1fd5b7de41dd47fa7 /drivers/irqchip/irq-s3c24xx.c | |
parent | 2a4fe14bc8da0af53076fa90ac34738c7b55fc3b (diff) | |
download | linux-353332855eef20dc5ae8cd42aaafb4750748f90b.tar.bz2 |
irqchip/s3c24xx: Fixup IO accessors for big endian
Instead of using the __raw accessors, use the _relaxed versions
to deal with any issues due to endian-ness of the CPU.
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
[jac: reformat subject line, fix commit message typo]
Link: https://lkml.kernel.org/r/1466504432-24187-10-git-send-email-ben.dooks@codethink.co.uk
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'drivers/irqchip/irq-s3c24xx.c')
-rw-r--r-- | drivers/irqchip/irq-s3c24xx.c | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/drivers/irqchip/irq-s3c24xx.c b/drivers/irqchip/irq-s3c24xx.c index 5dc5a760c723..c25ce5af091a 100644 --- a/drivers/irqchip/irq-s3c24xx.c +++ b/drivers/irqchip/irq-s3c24xx.c @@ -92,9 +92,9 @@ static void s3c_irq_mask(struct irq_data *data) unsigned long mask; unsigned int irqno; - mask = __raw_readl(intc->reg_mask); + mask = readl_relaxed(intc->reg_mask); mask |= (1UL << irq_data->offset); - __raw_writel(mask, intc->reg_mask); + writel_relaxed(mask, intc->reg_mask); if (parent_intc) { parent_data = &parent_intc->irqs[irq_data->parent_irq]; @@ -119,9 +119,9 @@ static void s3c_irq_unmask(struct irq_data *data) unsigned long mask; unsigned int irqno; - mask = __raw_readl(intc->reg_mask); + mask = readl_relaxed(intc->reg_mask); mask &= ~(1UL << irq_data->offset); - __raw_writel(mask, intc->reg_mask); + writel_relaxed(mask, intc->reg_mask); if (parent_intc) { irqno = irq_find_mapping(parent_intc->domain, @@ -136,9 +136,9 @@ static inline void s3c_irq_ack(struct irq_data *data) struct s3c_irq_intc *intc = irq_data->intc; unsigned long bitval = 1UL << irq_data->offset; - __raw_writel(bitval, intc->reg_pending); + writel_relaxed(bitval, intc->reg_pending); if (intc->reg_intpnd) - __raw_writel(bitval, intc->reg_intpnd); + writel_relaxed(bitval, intc->reg_intpnd); } static int s3c_irq_type(struct irq_data *data, unsigned int type) @@ -172,9 +172,9 @@ static int s3c_irqext_type_set(void __iomem *gpcon_reg, unsigned long newvalue = 0, value; /* Set the GPIO to external interrupt mode */ - value = __raw_readl(gpcon_reg); + value = readl_relaxed(gpcon_reg); value = (value & ~(3 << gpcon_offset)) | (0x02 << gpcon_offset); - __raw_writel(value, gpcon_reg); + writel_relaxed(value, gpcon_reg); /* Set the external interrupt to pointed trigger type */ switch (type) @@ -208,9 +208,9 @@ static int s3c_irqext_type_set(void __iomem *gpcon_reg, return -EINVAL; } - value = __raw_readl(extint_reg); + value = readl_relaxed(extint_reg); value = (value & ~(7 << extint_offset)) | (newvalue << extint_offset); - __raw_writel(value, extint_reg); + writel_relaxed(value, extint_reg); return 0; } @@ -315,8 +315,8 @@ static void s3c_irq_demux(struct irq_desc *desc) chained_irq_enter(chip, desc); - src = __raw_readl(sub_intc->reg_pending); - msk = __raw_readl(sub_intc->reg_mask); + src = readl_relaxed(sub_intc->reg_pending); + msk = readl_relaxed(sub_intc->reg_mask); src &= ~msk; src &= irq_data->sub_bits; @@ -337,7 +337,7 @@ static inline int s3c24xx_handle_intc(struct s3c_irq_intc *intc, int pnd; int offset; - pnd = __raw_readl(intc->reg_intpnd); + pnd = readl_relaxed(intc->reg_intpnd); if (!pnd) return false; @@ -352,7 +352,7 @@ static inline int s3c24xx_handle_intc(struct s3c_irq_intc *intc, * * Thanks to Klaus, Shannon, et al for helping to debug this problem */ - offset = __raw_readl(intc->reg_intpnd + 4); + offset = readl_relaxed(intc->reg_intpnd + 4); /* Find the bit manually, when the offset is wrong. * The pending register only ever contains the one bit of the next @@ -406,7 +406,7 @@ int s3c24xx_set_fiq(unsigned int irq, bool on) intmod = 0; } - __raw_writel(intmod, S3C2410_INTMOD); + writel_relaxed(intmod, S3C2410_INTMOD); return 0; } @@ -508,14 +508,14 @@ static void s3c24xx_clear_intc(struct s3c_irq_intc *intc) last = 0; for (i = 0; i < 4; i++) { - pend = __raw_readl(reg_source); + pend = readl_relaxed(reg_source); if (pend == 0 || pend == last) break; - __raw_writel(pend, intc->reg_pending); + writel_relaxed(pend, intc->reg_pending); if (intc->reg_intpnd) - __raw_writel(pend, intc->reg_intpnd); + writel_relaxed(pend, intc->reg_intpnd); pr_info("irq: clearing pending status %08x\n", (int)pend); last = pend; |