Messages in this thread Patch in this message | | | Subject | [PATCH 4/7] hexagon: asm/io.h: Expect immutable pointer in virt_to_phys prototype | From | Stanislav Kinsburskii <> | Date | Sat, 15 Apr 2023 04:17:42 -0700 |
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From: Stanislav Kinsburskii <stanislav.kinsburskii@gmail.com>
These helper function - virt_to_phys - doesn't need the address pointer to be mutable.
In the same time expecting it to be mutable leads to the following build warning for constant pointers:
warning: passing argument 1 of ‘virt_to_phys’ discards ‘const’ qualifier from pointer target type
Signed-off-by: Stanislav Kinsburskii <stanislav.kinsburskii@gmail.com> CC: Brian Cain <bcain@quicinc.com> CC: Linus Walleij <linus.walleij@linaro.org> CC: Mark Brown <broonie@kernel.org> CC: linux-hexagon@vger.kernel.org CC: linux-kernel@vger.kernel.org --- arch/hexagon/include/asm/io.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/hexagon/include/asm/io.h b/arch/hexagon/include/asm/io.h index 46a099de85b7..facbd7467dd3 100644 --- a/arch/hexagon/include/asm/io.h +++ b/arch/hexagon/include/asm/io.h @@ -46,7 +46,7 @@ extern void __raw_writesl(void __iomem *addr, const void *data, int wordlen); * virt_to_phys - map virtual address to physical * @address: address to map */ -static inline unsigned long virt_to_phys(volatile void *address) +static inline unsigned long virt_to_phys(const volatile void *address) { return __pa(address); }
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