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soc: fsl: qe: drop volatile qualifier of struct qe_ic::regs

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The actual io accessors (e.g. in_be32) implicitly add a volatile
qualifier to their address argument. Remove volatile from the struct
definition and the qe_ic_(read/write) helpers, in preparation for
switching from the ppc-specific io accessors to generic ones.

Reviewed-by: Timur Tabi <timur@kernel.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
This commit is contained in:
Rasmus Villemoes 2019-11-28 15:55:07 +01:00 committed by Li Yang
parent 1972194f96
commit cf037a9b7a
2 changed files with 3 additions and 3 deletions
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4
drivers/soc/fsl/qe/qe_ic.c
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@ -171,12 +171,12 @@ static struct qe_ic_info qe_ic_info[] = {
},
};
static inline u32 qe_ic_read(volatile __be32 __iomem * base, unsigned int reg)
static inline u32 qe_ic_read(__be32 __iomem *base, unsigned int reg)
{
return in_be32(base + (reg >> 2));
}
static inline void qe_ic_write(volatile __be32 __iomem * base, unsigned int reg,
static inline void qe_ic_write(__be32 __iomem *base, unsigned int reg,
u32 value)
{
out_be32(base + (reg >> 2), value);

2
drivers/soc/fsl/qe/qe_ic.h
View File

@ -72,7 +72,7 @@
struct qe_ic {
/* Control registers offset */
volatile u32 __iomem *regs;
u32 __iomem *regs;
/* The remapper for this QEIC */
struct irq_domain *irqhost;