From 6f3c4afae9805bda1682e0ad17b8ce56d85c9a83 Mon Sep 17 00:00:00 2001 From: Jean-Philippe Brucker Date: Fri, 18 Sep 2020 12:18:46 +0200 Subject: [PATCH] arm64: cpufeature: Export symbol read_sanitised_ftr_reg() The SMMUv3 driver would like to read the MMFR0 PARANGE field in order to share CPU page tables with devices. Allow the driver to be built as module by exporting the read_sanitized_ftr_reg() cpufeature symbol. Signed-off-by: Jean-Philippe Brucker Reviewed-by: Jonathan Cameron Acked-by: Suzuki K Poulose Link: https://lore.kernel.org/r/20200918101852.582559-7-jean-philippe@linaro.org Signed-off-by: Will Deacon --- arch/arm64/kernel/cpufeature.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 6424584be01e..07f10ad8855c 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -1111,6 +1111,7 @@ u64 read_sanitised_ftr_reg(u32 id) return 0; return regp->sys_val; } +EXPORT_SYMBOL_GPL(read_sanitised_ftr_reg); #define read_sysreg_case(r) \ case r: return read_sysreg_s(r)